*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #FFF5F6;
  --surface: #FFFFFF;
  --surface2: #FFF0F1;
  --border: #F0D4D8;
  --border-light: #F8E4E7;
  --primary: #E11D48;
  --primary-light: #F43F5E;
  --primary-dark: #BE123C;
  --primary-faint: #FFF1F2;
  --accent: #2563EB;
  --accent-light: #3B82F6;
  --text: #1C1017;
  --text-muted: #8C7B80;
  --success: #16A34A;
  --success-bg: #DCFCE7;
  --error: #DC2626;
  --error-bg: #FEE2E2;
  --warning-bg: #FEF9C3;
  --a1-color: #16A34A;
  --a2-color: #2563EB;
  --b1-color: #D97706;
  --purple: #7C3AED;
  --blue: #2563EB;
  --pink: #E11D48;
  --gold: #F59E0B;
  --shadow-sm: 0 1px 2px rgba(225,29,72,0.04), 0 1px 3px rgba(28,16,23,0.08);
  --shadow: 0 4px 6px -1px rgba(28,16,23,0.07), 0 2px 4px -2px rgba(28,16,23,0.05);
  --shadow-lg: 0 10px 25px -5px rgba(28,16,23,0.10), 0 8px 10px -6px rgba(28,16,23,0.05);
  --shadow-clay: 0 4px 0 rgba(225,29,72,0.06), 0 6px 16px rgba(28,16,23,0.05), inset 0 1px 0 rgba(255,255,255,0.7);
  --shadow-clay-hover: 0 6px 0 rgba(225,29,72,0.08), 0 10px 24px rgba(28,16,23,0.07), inset 0 1px 0 rgba(255,255,255,0.8);
  --shadow-clay-press: 0 1px 0 rgba(225,29,72,0.05), 0 2px 6px rgba(28,16,23,0.04), inset 0 1px 0 rgba(255,255,255,0.5);
  --focus-ring: 0 0 0 3px rgba(37,99,235,0.35);
  --radius: 16px;
  --radius-sm: 12px;
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
}

/* ── ACCESSIBILITY: Focus states ───────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button:focus-visible, .btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: var(--focus-ring);
}
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--focus-ring);
}

/* ── ACCESSIBILITY: Reduced motion ─────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── ACCESSIBILITY: Skip link / visually hidden ───────────────── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.visually-hidden:focus {
  position: fixed;
  top: 8px;
  left: 8px;
  width: auto;
  height: auto;
  padding: 12px 20px;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--surface);
  color: var(--primary);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding-bottom: 80px;
  background-image:
    radial-gradient(ellipse 60% 40% at 50% -5%, rgba(225,29,72,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 90% 10%, rgba(37,99,235,0.03) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='1' cy='1' r='0.6' fill='%23e8b4bc' fill-opacity='0.15'/%3E%3C/svg%3E");
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── CONFETTI CANVAS ─────────────────────────────────────────────── */
#confetti-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
}

/* ── HEADER ─────────────────────────────────────────────────────── */
header {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(225,29,72,0.04);
}

.header-top {
  max-width: 900px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, #E11D48 0%, #F43F5E 100%);
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 3px 0 #BE123C, 0 4px 12px rgba(225,29,72,0.25), inset 0 1px 0 rgba(255,255,255,0.2);
}
.logo-icon {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  font-style: italic;
  color: #fff;
  letter-spacing: -0.5px;
}

.header-text h1 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.header-text p {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ── TAB NAV ────────────────────────────────────────────────────── */
.tab-nav {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 8px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-nav::-webkit-scrollbar { display: none; }

.tab-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.25s ease, background 0.2s ease;
  position: relative;
}
.tab-btn svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.7; transition: opacity 0.2s; }
.tab-btn:hover { color: var(--text); }
.tab-btn:hover svg { opacity: 1; }
.tab-btn.active { color: var(--primary); border-color: transparent; font-weight: 700; }
.tab-btn.active svg { opacity: 1; }

/* ── MAIN LAYOUT ────────────────────────────────────────────────── */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

/* ── CARDS ───────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-clay);
  overflow: hidden;
  transition: box-shadow 0.25s ease-out, transform 0.25s ease-out;
}
.card:hover {
  box-shadow: var(--shadow-clay-hover);
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface2) 100%);
}
.card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.01em;
}
.card-body { padding: 20px; }

/* ── LEVEL BADGE ────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-a1 { background: #DCFCE7; color: var(--a1-color); border: 1.5px solid #BBF7D0; }
.badge-a2 { background: #DBEAFE; color: var(--a2-color); border: 1.5px solid #BFDBFE; }
.badge-b1 { background: #FEF3C7; color: var(--b1-color); border: 1.5px solid #FDE68A; }

/* ── TAB PANELS ─────────────────────────────────────────────────── */
.panel { display: none; }
.panel.active { display: block; animation: panelIn 0.4s cubic-bezier(0.22, 1, 0.36, 1); }

@keyframes panelIn {
  from { opacity: 0; transform: translateY(16px) scale(0.99); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── SENTENCE EXERCISE ──────────────────────────────────────────── */
.exercise-progress {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.progress-bar-wrap {
  flex: 1;
  height: 10px;
  background: var(--border);
  border-radius: 99px;
  margin: 0 14px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #E11D48 0%, #F43F5E 50%, #2563EB 100%);
  border-radius: 99px;
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 0 8px rgba(225,29,72,0.35);
  position: relative;
  overflow: hidden;
}
.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.2) 50%, transparent 100%);
  animation: shimmer 2s ease-in-out infinite;
}
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.progress-label { font-size: 0.76rem; color: var(--text-muted); font-weight: 600; }

.exercise-card {
  background: var(--surface2);
  border: 2px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 18px;
  position: relative;
  transition: border-color 0.2s ease-out;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
}
.exercise-direction {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.exercise-prompt {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.45;
}
.ex-stype-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.ex-stype-en {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-style: italic;
}

.input-row {
  display: flex; gap: 10px; margin-bottom: 14px;
}
.exercise-input {
  flex: 1;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease-out, box-shadow 0.2s ease-out, background 0.2s ease-out;
  box-shadow: inset 0 2px 4px rgba(26,29,35,0.04);
}
.exercise-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(225,29,72,0.15), inset 0 2px 4px rgba(28,16,23,0.02);
  background: #fff;
}
.exercise-input.correct { border-color: var(--success); background: var(--success-bg); }
.exercise-input.incorrect { border-color: var(--error); background: var(--error-bg); animation: shake 0.4s ease; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 22px;
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.btn-primary {
  background: linear-gradient(135deg, #E11D48 0%, #F43F5E 100%);
  color: #fff;
  border: 2px solid #BE123C;
  box-shadow: 0 4px 0 #9F1239, inset 0 1px 0 rgba(255,255,255,0.18);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 0 #9F1239, 0 8px 20px rgba(225,29,72,0.2), inset 0 1px 0 rgba(255,255,255,0.2); }
.btn-primary:active { transform: translateY(2px) scale(0.97); box-shadow: 0 1px 0 #9F1239, inset 0 1px 2px rgba(0,0,0,0.15); }
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 2px solid var(--border);
  box-shadow: 0 4px 0 rgba(26,29,35,0.07), inset 0 1px 0 rgba(255,255,255,0.8);
}
.btn-secondary:hover { background: var(--surface2); border-color: var(--primary); color: var(--primary); transform: translateY(-1px); box-shadow: 0 5px 0 rgba(26,29,35,0.08), inset 0 1px 0 rgba(255,255,255,0.8); }
.btn-secondary:active { transform: translateY(2px); box-shadow: 0 1px 0 rgba(26,29,35,0.05); }
.btn:disabled { opacity: 0.35; pointer-events: none; cursor: not-allowed; }

.feedback-box {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  display: none;
  margin-bottom: 14px;
}
.feedback-box.show { display: flex; align-items: flex-start; gap: 8px; animation: feedbackReveal 0.35s cubic-bezier(0.22, 1, 0.36, 1); }
.feedback-box.success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(46,125,91,0.2); border-left: 4px solid var(--success); }
.feedback-box.error { background: var(--error-bg); color: var(--error); border: 1px solid rgba(192,69,48,0.2); border-left: 4px solid var(--error); }
.feedback-box .answer { font-weight: 800; }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* ── SENTENCE LIST ──────────────────────────────────────────────── */
.filter-row {
  display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap;
}
.filter-btn {
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.76rem;
  font-weight: 600;
  border: 2px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease-out;
  font-family: var(--font-body);
  box-shadow: 0 2px 0 rgba(26,29,35,0.05), inset 0 1px 0 rgba(255,255,255,0.6);
}
.filter-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-faint); transform: translateY(-1px); box-shadow: 0 3px 0 rgba(26,29,35,0.06), 0 4px 12px rgba(225,29,72,0.1); }
.filter-btn.active { background: var(--primary); border-color: var(--primary-dark); color: #fff; box-shadow: 0 2px 0 var(--primary-dark), inset 0 1px 0 rgba(255,255,255,0.1); transform: none; }
.badge-count { display: inline-block; font-size: 0.68rem; font-weight: 400; opacity: 0.75; margin-left: 3px; }
#gt-subtopic-filter { margin-bottom: 6px; padding: 8px 12px; background: var(--surface2); border-radius: var(--radius); border: 1px solid var(--border); }
#gt-subtopic-filter .filter-btn { font-size: 0.72rem; padding: 4px 12px; }

.sentence-table { width: 100%; border-collapse: collapse; }
.sentence-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
}
.sentence-table td {
  padding: 12px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.sentence-table tr:last-child td { border-bottom: none; }
.sentence-table tr:hover td { background: rgba(225,29,72,0.03); }
.sentence-nl { font-weight: 700; color: var(--text); font-size: 0.9rem; }
.sentence-en { color: var(--text-muted); }
.sentence-rule { font-size: 0.72rem; font-style: italic; color: var(--text-muted); margin-top: 4px; font-weight: 400; }

/* ── Sentence structure inline detail ────────────────────────────── */
.struct-detail-body { margin-top:8px; padding:10px; background:var(--surface2); border-radius:var(--radius-sm); border:1px solid var(--border); }
.sd-pattern { font-family:'Courier New',monospace; font-size:0.72rem; background:var(--primary-faint); color:var(--primary); border-radius:4px; padding:4px 8px; margin-bottom:8px; }
.sd-slot-row { display:grid; grid-template-columns:18px 1fr; column-gap:8px; row-gap:1px; margin-bottom:6px; padding-bottom:6px; border-bottom:1px solid var(--border); }
.sd-slot-row:last-of-type { border-bottom:none; margin-bottom:0; }
.sd-step { font-size:0.7rem; font-weight:800; color:var(--primary); padding-top:1px; }
.sd-slot-label { font-size:0.76rem; font-weight:700; color:var(--text); line-height:1.4; }
.sd-slot-desc { grid-column:2; font-size:0.73rem; color:var(--text); line-height:1.4; margin-top:1px; }
.sd-slot-ex { grid-column:2; font-family:'Courier New',monospace; font-size:0.69rem; color:var(--primary); margin-top:2px; }
.sd-wo-section { margin-top:8px; padding-top:8px; border-top:1px solid var(--border); display:flex; flex-direction:column; gap:4px; }
.sd-wo-row { display:grid; grid-template-columns:90px 1fr; column-gap:8px; font-size:0.71rem; }
.sd-wo-slot { font-weight:700; color:var(--primary); }
.sd-wo-q { color:var(--text-muted); }
.sd-wo-ex { grid-column:2; font-family:'Courier New',monospace; font-size:0.68rem; color:var(--text); }
.sd-tip { font-size:0.72rem; background:var(--warning-bg); border-left:3px solid var(--accent); padding:4px 8px; border-radius:0 4px 4px 0; color:var(--accent); margin-top:8px; }
.sentence-stats { display: inline-flex; gap: 6px; margin-top: 4px; }
.stat-correct { font-size: 0.72rem; font-weight: 800; color: var(--success); background: var(--success-bg); padding: 2px 8px; border-radius: 10px; }
.stat-wrong   { font-size: 0.72rem; font-weight: 800; color: var(--error);   background: var(--error-bg);   padding: 2px 8px; border-radius: 10px; }
.row-has-errors td { background: rgba(255,75,75,0.05); }
.row-has-errors:hover td { background: rgba(255,75,75,0.08) !important; }

/* Exercise mode toggle */
.ex-mode-row { display: flex; align-items: center; gap: 8px; padding: 10px 20px; background: var(--surface2); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.ex-mode-btn { padding: 6px 14px; border-radius: 99px; border: 2px solid var(--border); background: var(--surface); color: var(--text-muted); font-size: 0.76rem; font-weight: 600; cursor: pointer; transition: all .2s ease-out; font-family: var(--font-body); box-shadow: 0 2px 0 rgba(26,29,35,0.05), inset 0 1px 0 rgba(255,255,255,0.6); }
.ex-mode-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-faint); transform: translateY(-1px); }
.ex-mode-btn.active { background: var(--primary); border-color: var(--primary-dark); color: #fff; box-shadow: 0 2px 0 var(--primary-dark), inset 0 1px 0 rgba(255,255,255,0.1); }
.ex-mode-count { font-size: 0.75rem; color: var(--text-muted); margin-left: 4px; font-weight: 600; }

/* Reset stats link-button */
.btn-reset-stats { background: none; border: none; color: var(--text-muted); font-size: 0.72rem; cursor: pointer; text-decoration: underline; font-family: var(--font-body); padding: 0; }
.btn-reset-stats:hover { color: var(--error); }
.edit-grammar-cell { vertical-align: top; padding-top: 10px; }
.edit-grammar-rule { font-size: 0.68rem; color: var(--text-muted); margin-top: 4px; font-style: italic; line-height: 1.3; }

/* Grammar type badges */
.stype-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 800;
  white-space: nowrap;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
}
.stype-hoofdzin              { background: rgba(28,176,246,0.15); color: var(--blue); }
.stype-bijzin---hoofdzin     { background: rgba(206,130,255,0.15); color: var(--purple); }
.stype-wh-vraagzin           { background: rgba(255,150,0,0.15); color: var(--accent); }
.stype-ja-nee-vraagzin       { background: rgba(225,29,72,0.06); color: var(--primary); }
.stype-gebiedende-wijs       { background: rgba(255,75,75,0.15); color: var(--error); }
.stype-hoofdzin--inversie-   { background: rgba(28,176,246,0.2); color: var(--blue); }
.stype-voltooid-tegenw--tijd { background: rgba(28,176,246,0.15); color: var(--blue); }
.stype-scheidbaar-werkwoord  { background: rgba(225,29,72,0.06); color: var(--primary); }

/* ── GRAMMAR HINT ───────────────────────────────────────────────── */
.ex-hint-wrap { margin: 10px 0; }
.ex-hint-btn {
  display: flex; align-items: center; gap: 6px;
  background: var(--warning-bg); border: 1px solid rgba(232,151,62,0.2);
  border-radius: var(--radius-sm); padding: 8px 14px;
  font-size: 0.82rem; font-weight: 600; color: var(--accent);
  cursor: pointer; width: 100%; font-family: var(--font-body);
  transition: background .2s ease, border-color .2s ease;
}
.ex-hint-btn:hover { background: rgba(232,151,62,0.12); border-color: rgba(232,151,62,0.35); }
.ex-hint-arrow { margin-left: auto; font-size: 0.9rem; transition: transform .2s; }
.ex-hint-body { display: none; padding: 12px 14px; background: var(--warning-bg); border: 2px solid rgba(255,150,0,0.2); border-top: none; border-radius: 0 0 var(--radius-sm) var(--radius-sm); }
.ex-hint-body.open { display: block; }
.hint-row { display: flex; gap: 10px; align-items: flex-start; padding: 4px 0; font-size: 0.82rem; line-height: 1.4; }
.hint-lang { font-size: 1rem; flex-shrink: 0; }

/* Enhanced grammar hint */
.hint-header { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.hint-stype-badge { background: var(--primary); color: #fff; font-size: 0.68rem; font-weight: 800; padding: 2px 8px; border-radius: 99px; }
.hint-stype-en { font-size: 0.75rem; color: var(--text-muted); font-style: italic; }
.hint-rule { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 6px; }
.hint-pattern { font-size: 0.72rem; font-weight: 800; color: var(--primary); background: var(--primary-faint); border-radius: var(--radius-sm); padding: 5px 10px; margin-bottom: 8px; letter-spacing: 0.02em; }
.hint-expl { font-size: 0.76rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 10px; }
.hint-expl .hint-lang { font-size: 0.85rem; }
.hint-slots { display: flex; flex-direction: column; gap: 5px; margin-bottom: 10px; }
.hint-slot { display: flex; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border); font-size: 0.75rem; }
.hint-slot-pos1 { background: rgba(225,29,72,0.04); } .hint-slot-pos1 .hint-slot-pos { background: rgba(225,29,72,0.08); color: var(--primary); }
.hint-slot-pos2 { background: rgba(255,75,75,0.08); } .hint-slot-pos2 .hint-slot-pos { background: rgba(255,75,75,0.2); color: var(--error); }
.hint-slot-posm { background: rgba(28,176,246,0.08); } .hint-slot-posm .hint-slot-pos { background: rgba(28,176,246,0.2); color: var(--blue); }
.hint-slot-pose { background: rgba(206,130,255,0.08); } .hint-slot-pose .hint-slot-pos { background: rgba(206,130,255,0.2); color: var(--purple); }
.hint-slot-pos { min-width: 28px; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 0.78rem; flex-shrink: 0; padding: 6px 4px; }
.hint-slot-body { padding: 5px 8px; flex: 1; }
.hint-slot-label { font-weight: 700; color: var(--text); }

/* Accountability bar */
.ex-accountability { display: flex; align-items: center; gap: 8px; font-size: 0.72rem; color: var(--text-muted); padding: 4px 0 8px; flex-wrap: wrap; font-weight: 600; }
.ex-acc-dot { opacity: 0.4; }
.ex-acc-restart { margin-left: auto; font-size: 0.7rem; color: var(--text-muted); background: none; border: 1.5px solid var(--border); border-radius: 99px; padding: 3px 12px; cursor: pointer; transition: all 0.15s; font-weight: 700; }
.ex-acc-restart:hover { background: var(--surface2); color: var(--text); border-color: var(--primary); }

/* ── INPUT MODE ROW ─────────────────────────────────────────────── */
.input-mode-row { display: flex; gap: 8px; margin: 10px 0 6px; flex-wrap: wrap; }

/* ── WORD TILES ─────────────────────────────────────────────────── */
.tile-built {
  min-height: 56px; border: 2px dashed var(--border); border-radius: var(--radius-sm);
  padding: 10px 12px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  background: var(--surface2); margin-bottom: 10px; transition: border-color .2s;
}
.tile-built:has(.tile-built-item) { border-color: var(--primary); border-style: solid; }
.tile-placeholder { color: var(--text-muted); font-size: 0.8rem; font-style: italic; }
.tile-pool { display: flex; flex-wrap: wrap; gap: 8px; padding: 6px 0; }
.tile {
  padding: 8px 16px; border-radius: var(--radius-sm); border: 2px solid var(--border);
  font-size: 0.88rem; font-family: var(--font-body); font-weight: 600;
  cursor: pointer; transition: all .2s ease-out; user-select: none;
}
.tile-pool .tile, button.tile.tile-pool { background: var(--surface); color: var(--text); }
.tile.tile-pool { background: var(--surface); color: var(--text); box-shadow: 0 3px 0 rgba(26,29,35,0.07), inset 0 1px 0 rgba(255,255,255,0.6); }
.tile.tile-pool:hover:not(:disabled) { background: var(--primary-faint); border-color: var(--primary); color: var(--primary); transform: translateY(-3px); box-shadow: 0 6px 0 rgba(26,29,35,0.08), 0 8px 16px rgba(225,29,72,0.05); }
.tile.tile-built { background: var(--primary); border-color: var(--primary-dark); color: #fff; box-shadow: 0 2px 0 var(--primary-dark), inset 0 1px 0 rgba(255,255,255,0.1); }
.tile.tile-built:hover:not(:disabled) { background: var(--primary-light); }
.tile:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

/* ── VERB PRACTICE ──────────────────────────────────────────────── */
.verb-selector { display: flex; flex-direction: column; gap: 0; }

.verb-search-input {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); font-size: 0.88rem;
  font-family: var(--font-body); color: var(--text);
  background: var(--surface); margin-bottom: 12px; box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s; font-weight: 500;
}
.verb-search-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(225,29,72,0.05); }

.verb-type-filters { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }

.verb-group-header {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.68rem; font-weight: 900; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--text-muted);
  margin: 14px 0 7px; padding-bottom: 5px;
  border-bottom: 1px solid var(--border);
}
.verb-group-count {
  font-size: 0.65rem; background: var(--surface2); color: var(--text-muted);
  padding: 1px 6px; border-radius: 99px; font-weight: 800;
}

.verb-chips-group { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 4px; }

.verb-chip {
  display: flex; flex-direction: column; align-items: flex-start;
  padding: 8px 14px; border-radius: var(--radius-sm);
  border: 2px solid var(--border); background: var(--surface);
  cursor: pointer; transition: all 0.2s ease-out; text-align: left;
  box-shadow: 0 2px 0 rgba(26,29,35,0.04), inset 0 1px 0 rgba(255,255,255,0.6);
}
.verb-chip:hover { border-color: var(--primary); background: var(--primary-faint); transform: translateY(-2px); box-shadow: 0 4px 0 rgba(26,29,35,0.05), 0 6px 12px rgba(225,29,72,0.04); }
.verb-chip.active { background: var(--primary); border-color: var(--primary-dark); box-shadow: 0 2px 0 var(--primary-dark), inset 0 1px 0 rgba(255,255,255,0.1); }
.verb-chip-inf { font-size: 0.85rem; font-weight: 700; color: var(--text); line-height: 1.2; }
.verb-chip-en  { font-size: 0.68rem; color: var(--text-muted); line-height: 1.2; }
.verb-chip:hover .verb-chip-inf,
.verb-chip:hover .verb-chip-en  { color: var(--primary); }
.verb-chip.active .verb-chip-inf { color: #fff; }
.verb-chip.active .verb-chip-en  { color: rgba(255,255,255,0.75); }
.verb-no-results { font-size: 0.82rem; color: var(--text-muted); padding: 12px 0; }

.verb-total-badge { font-size: 0.72rem; font-weight: 800; color: var(--text-muted); background: var(--surface2); padding: 3px 10px; border-radius: 99px; margin-left: 8px; }

.vf-count { font-size: 0.65rem; font-weight: 800; background: var(--surface2); color: var(--text-muted); padding: 1px 5px; border-radius: 99px; margin-left: 3px; }
.filter-btn.active .vf-count { background: rgba(255,255,255,0.25); color: #fff; }

.verb-coverage-bar { background: var(--surface2); border-radius: var(--radius-sm); padding: 10px 14px; margin-bottom: 14px; }
.verb-cov-levels { display: flex; gap: 8px; margin-bottom: 5px; flex-wrap: wrap; }
.verb-cov-level { font-size: 0.68rem; font-weight: 900; padding: 2px 8px; border-radius: 99px; }
.verb-cov-a1 { background: rgba(225,29,72,0.06); color: var(--primary); }
.verb-cov-a2 { background: rgba(225,29,72,0.06); color: var(--primary); }
.verb-cov-b1 { background: rgba(255,150,0,0.15); color: var(--accent); }
.verb-cov-b2 { background: rgba(255,75,75,0.15); color: var(--error); }
.verb-cov-note { font-size: 0.72rem; color: var(--text-muted); line-height: 1.5; }

.verb-headline {
  text-align: center;
  margin-bottom: 20px;
}
.verb-infinitive {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 400;
  color: var(--primary);
}
.verb-meaning {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.conj-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.conj-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}
.conj-pronoun {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-muted);
  width: 52px;
  flex-shrink: 0;
}
.conj-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  font-weight: 700;
}
.conj-input::placeholder { color: #4a6070; font-weight: 400; }
.conj-input.correct { color: var(--success); }
.conj-input.incorrect { color: var(--error); }
.conj-hint {
  font-size: 0.78rem;
  color: #4a6070;
  flex-shrink: 0;
  display: none;
}
.conj-hint.show { display: block; color: var(--success); font-weight: 600; }

.verb-actions { display: flex; gap: 10px; margin-top: 18px; justify-content: center; }

/* ── DE/HET PRACTICE (A/An) ─────────────────────────────────────── */
.dehet-card {
  text-align: center;
  padding: 36px 24px;
}
.dehet-score {
  display: flex; justify-content: center; gap: 24px; margin-bottom: 28px;
}
.score-item { text-align: center; }
.score-num {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}
.score-num.green { color: var(--success); }
.score-num.red { color: var(--error); }
.score-label { font-size: 0.72rem; color: var(--text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-top: 2px; }

.dh-done { padding: 32px 16px; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.dh-done-icon { font-size: 3rem; line-height: 1; }
.dh-done-title { font-size: 2rem; font-weight: 900; color: var(--text); }
.dh-done-stats { font-size: 0.92rem; color: var(--text); text-align: center; line-height: 1.8; }

.dehet-noun-wrap {
  margin-bottom: 32px;
}
.dehet-article-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 800;
  margin-bottom: 8px;
}
.dehet-noun {
  font-size: 3rem;
  font-weight: 900;
  color: var(--text);
  line-height: 1;
}
.dehet-translation {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.dehet-buttons {
  display: flex; gap: 16px; justify-content: center; margin-bottom: 20px;
}
.dehet-btn {
  width: 110px; height: 60px;
  border-radius: var(--radius);
  font-size: 1.5rem;
  font-weight: 900;
  border: 2px solid var(--border);
  background: var(--surface2);
  cursor: pointer;
  transition: all 0.18s;
  color: var(--text);
  box-shadow: 0 4px 0 rgba(26,29,35,0.10);
}
.dehet-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 0 rgba(26,29,35,0.10); border-color: var(--primary); color: var(--primary); }
.dehet-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 rgba(26,29,35,0.10); }
.dehet-btn.selected-correct { background: var(--success-bg); border-color: var(--success); color: var(--success); }
.dehet-btn.selected-wrong { background: var(--error-bg); border-color: var(--error); color: var(--error); animation: shake 0.4s ease; }
.dehet-btn.reveal-correct { background: var(--success-bg); border-color: var(--success); color: var(--success); }
.dehet-btn:disabled { pointer-events: none; }

.dehet-feedback {
  min-height: 28px;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.dehet-feedback.correct { color: var(--success); }
.dehet-feedback.wrong { color: var(--error); }
.dh-reason { margin-top: 6px; font-size: 0.78rem; font-weight: 400; color: var(--text-muted); font-style: italic; line-height: 1.4; }

/* ── FOOTER ─────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 24px 20px;
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
}

/* ── CONGRATS ────────────────────────────────────────────────────── */
.congrats-panel {
  text-align: center;
  padding: 36px 24px;
  display: none;
}
.congrats-panel.show { display: block; animation: bounceIn 0.5s cubic-bezier(0.34,1.56,0.64,1); }
.congrats-emoji { font-size: 4rem; margin-bottom: 12px; animation: pulse 1.5s ease infinite; }
.congrats-title { font-family: var(--font-display); font-size: 1.8rem; font-weight: 400; color: var(--primary); margin-bottom: 8px; }
.congrats-sub { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 20px; font-weight: 500; }

@keyframes bounceIn {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* ── SAVE BUTTON ─────────────────────────────────────────────────── */
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.save-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.save-btn svg { width: 14px; height: 14px; flex-shrink: 0; }
.save-btn:hover { border-color: var(--primary); color: var(--primary); }
.save-btn.saved { color: var(--success); background: var(--success-bg); border-color: rgba(225,29,72,0.15); }

.save-date {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── TOAST ───────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 90px;
  right: 20px;
  background: var(--primary);
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.84rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(225,29,72,0.15);
  z-index: 999;
  opacity: 0;
  transform: translateY(10px) scale(0.95);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  backdrop-filter: blur(8px);
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ── VOCABULARY ─────────────────────────────────────────────────── */
.vocab-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.vocab-search {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.vocab-search:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(225,29,72,0.05);
}

.vocab-filters {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.vocab-hide-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  font-weight: 600;
}
.vocab-hide-toggle input { cursor: pointer; accent-color: var(--primary); }

.vocab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}

.vocab-card {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  cursor: pointer;
  transition: all 0.2s ease-out;
  user-select: none;
  box-shadow: 0 3px 0 rgba(26,29,35,0.05), inset 0 1px 0 rgba(255,255,255,0.6);
}
.vocab-card:hover {
  border-color: var(--primary);
  box-shadow: 0 6px 0 rgba(26,29,35,0.06), 0 8px 20px rgba(225,29,72,0.04);
  transform: translateY(-3px);
}

.vocab-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.vocab-word {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.3;
}

.vocab-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.vocab-type {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--border);
  padding: 2px 8px;
  border-radius: 99px;
  font-style: italic;
}

.vocab-topic-tag {
  font-size: 0.68rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 99px;
}

.vocab-translation {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.4;
  transition: opacity 0.2s;
}

.vocab-translation.hidden-translation {
  opacity: 0;
  color: transparent;
  background: var(--border);
  border-radius: 4px;
}
.vocab-card.revealed .vocab-translation.hidden-translation {
  opacity: 1;
  color: var(--text-muted);
  background: transparent;
}

/* ── EDIT TABLE ─────────────────────────────────────────────────── */
.edit-info {
  background: var(--warning-bg);
  border: 1px solid rgba(255,150,0,0.2);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 16px;
  line-height: 1.5;
}

.edit-table { width: 100%; border-collapse: collapse; }
.edit-table th {
  text-align: left;
  padding: 9px 8px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border);
}
.edit-table td {
  padding: 5px 5px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.edit-table tr:last-child td { border-bottom: none; }
.edit-table tr:hover td { background: rgba(225,29,72,0.03); }

.edit-input {
  width: 100%;
  padding: 8px 12px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface2);
  color: var(--text);
  outline: none;
  transition: border-color 0.16s;
  font-weight: 600;
}
.edit-input:focus {
  border-color: var(--primary);
}

.edit-select {
  padding: 8px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface2);
  color: var(--text);
  outline: none;
  cursor: pointer;
  width: 100%;
}
.edit-select:focus { border-color: var(--primary); }

.delete-row-btn {
  width: 28px; height: 28px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.15s;
  display: flex; align-items: center; justify-content: center;
  margin: auto;
}
.delete-row-btn:hover { background: var(--error-bg); border-color: var(--error); color: var(--error); }

/* ── STREAK BADGE ────────────────────────────────────────────────── */
.streak-badge { display:inline-flex; align-items:center; gap:3px; background:linear-gradient(135deg, #FFF1F2 0%, #FFE4E6 100%); border:2px solid #FECDD3; color:#BE123C; font-size:0.8rem; font-weight:700; padding:5px 12px; border-radius:99px; white-space:nowrap; cursor:default; transition: transform 0.2s ease-out; box-shadow: 0 2px 0 rgba(225,29,72,0.06), inset 0 1px 0 rgba(255,255,255,0.6); }
.streak-badge:hover { transform: scale(1.05); }
/* ── DUE BADGE ───────────────────────────────────────────────────── */
.due-badge { display:inline-flex; align-items:center; justify-content:center; min-width:18px; height:18px; padding:0 4px; background:var(--error); color:#fff; font-size:0.65rem; font-weight:800; border-radius:99px; margin-left:2px; vertical-align:middle; }
/* ── LETTER HINT ─────────────────────────────────────────────────── */
.letter-hint-wrap { margin:6px 0; }
.btn-letter-hint { background:none; border:1px dashed var(--border); color:var(--text-muted); font-size:0.78rem; padding:5px 14px; border-radius:20px; cursor:pointer; font-family:var(--font-body); transition:all .15s; font-weight:700; }
.btn-letter-hint:hover { border-color:var(--primary); color:var(--primary); }
.letter-hint-text { font-family:'Courier New',monospace; font-size:0.84rem; color:var(--primary); background:var(--primary-faint); border:1px solid rgba(225,29,72,0.08); border-radius:var(--radius-sm); padding:6px 12px; margin-top:6px; letter-spacing:0.06em; display:none; }
.letter-hint-text.visible { display:block; }
/* ── FILL-BLANK ──────────────────────────────────────────────────── */
.fillblank-sentence { font-size:1.05rem; font-weight:700; line-height:1.7; background:var(--surface2); border:2px solid var(--border); border-radius:var(--radius-sm); padding:14px 16px; margin-bottom:12px; color:var(--text); }
.fillblank-blank { display:inline-block; min-width:60px; border-bottom:2px solid var(--primary); color:var(--primary); font-style:italic; text-align:center; padding:0 4px; }
/* ── GRAMMAR RULES PAGE ──────────────────────────────────────────── */
.grammar-intro { font-size:0.88rem; color:var(--text-muted); margin-bottom:20px; line-height:1.5; font-weight:500; }
.grammar-rules-grid-inner { display:flex; flex-direction:column; gap:16px; }
.grammar-section-title { font-family:var(--font-display); font-size:1.2rem; font-weight:400; color:var(--text); margin:24px 0 12px; display:flex; align-items:baseline; gap:10px; }
.grammar-section-title:first-child { margin-top:0; }
.grammar-section-subtitle { font-size:0.75rem; color:var(--text-muted); font-weight:400; }
/* De/Het section */
.grammar-dehet-section { margin-top:28px; }
.grammar-dehet-grid { display:flex; flex-direction:column; gap:16px; }
.grammar-dehet-card { background:var(--surface); border:2px solid var(--border); border-radius:var(--radius); padding:18px; }
.grammar-dehet-de { border-top:3px solid var(--primary); }
.grammar-dehet-het { border-top:3px solid var(--accent); }
.grammar-dehet-header { display:flex; align-items:flex-start; gap:12px; margin-bottom:14px; }
.grammar-dehet-badge { font-size:1.6rem; font-weight:900; line-height:1; flex-shrink:0; }
.grammar-dehet-de .grammar-dehet-badge { color:var(--primary); }
.grammar-dehet-het .grammar-dehet-badge { color:var(--accent); }
.grammar-dehet-title { font-size:0.9rem; font-weight:800; color:var(--text); line-height:1.3; }
.grammar-dehet-subtitle { font-size:0.72rem; color:var(--text-muted); margin-top:2px; font-style:italic; }
.grammar-dehet-list { list-style:none; padding:0; margin:0 0 10px; display:flex; flex-direction:column; gap:8px; }
.grammar-dehet-list li { padding:8px 10px; background:var(--surface2); border-radius:var(--radius-sm); border-left:3px solid var(--border); }
.grammar-dehet-de .grammar-dehet-list li { border-left-color:var(--primary); }
.grammar-dehet-het .grammar-dehet-list li { border-left-color:var(--accent); }
.grammar-dehet-rule-nl { font-size:0.84rem; font-weight:700; color:var(--text); }
.grammar-dehet-rule-en { font-size:0.76rem; color:var(--text-muted); font-style:italic; margin-top:1px; }
.grammar-dehet-examples { font-size:0.76rem; color:var(--primary); margin-top:4px; font-weight:700; }
.grammar-dehet-het .grammar-dehet-examples { color:var(--accent); }
.grammar-rule-card { background:var(--surface); border:2px solid var(--border); border-radius:var(--radius); padding:18px; box-shadow:var(--shadow-clay); }
.grammar-rule-header { display:flex; align-items:flex-start; justify-content:space-between; gap:8px; margin-bottom:10px; }
.grammar-rule-title { font-family:var(--font-display); font-size:1.1rem; font-weight:400; color:var(--text); }
.grammar-rule-subtitle { font-size:0.72rem; color:var(--text-muted); margin-top:2px; }
.grammar-pattern { background:var(--primary-faint); color:var(--primary); border-radius:var(--radius-sm); padding:7px 12px; margin-bottom:10px; font-family:'Courier New',monospace; font-size:0.76rem; letter-spacing:0.03em; border:1px solid rgba(225,29,72,0.08); }
.grammar-expl-nl { font-size:0.84rem; color:var(--text); line-height:1.5; margin-bottom:4px; }
.grammar-expl-en { font-size:0.78rem; color:var(--text-muted); line-height:1.5; margin-bottom:8px; font-style:italic; }
.grammar-tip { font-size:0.76rem; background:var(--warning-bg); border-left:3px solid var(--accent); padding:5px 10px; border-radius:0 var(--radius-sm) var(--radius-sm) 0; color:var(--accent); margin-bottom:8px; line-height:1.4; }
.grammar-conj { font-size:0.76rem; color:var(--primary); background:var(--primary-faint); border-radius:var(--radius-sm); padding:4px 10px; margin-bottom:8px; }
.grammar-examples-title { font-size:0.7rem; font-weight:800; text-transform:uppercase; letter-spacing:0.08em; color:var(--text-muted); margin-top:10px; margin-bottom:6px; }
.grammar-example-item { border-left:2px solid var(--border); padding-left:10px; margin-bottom:6px; }
.grammar-example-item:last-child { margin-bottom:0; }
.grammar-ex-nl { font-size:0.88rem; color:var(--text); font-weight:800; }
.grammar-ex-en { font-size:0.74rem; color:var(--text-muted); margin-top:2px; }
.grammar-ex-rule { font-size:0.72rem; color:var(--primary); margin-top:3px; font-style:italic; }

/* ── Grammar slots (position breakdown) ──────────────────────────── */
.grammar-slots-title { font-size:0.7rem; font-weight:800; text-transform:uppercase; letter-spacing:0.08em; color:var(--text-muted); margin-top:14px; margin-bottom:8px; }
.grammar-slots { display:flex; flex-direction:column; gap:6px; margin-bottom:10px; }
.grammar-slot { display:flex; gap:0; border-radius:var(--radius-sm); overflow:hidden; border:1px solid var(--border); }
.grammar-slot-pos { min-width:38px; display:flex; align-items:center; justify-content:center; font-size:0.8rem; font-weight:900; font-family:'Courier New',monospace; }
.grammar-slot-body { flex:1; padding:7px 10px; }
.grammar-slot-label { font-size:0.82rem; font-weight:800; color:var(--text); }
.grammar-slot-en { font-size:0.74rem; color:var(--text-muted); font-style:italic; margin-bottom:3px; }
.grammar-slot-desc { font-size:0.78rem; color:var(--text); line-height:1.4; margin-bottom:3px; }
.grammar-slot-examples { font-size:0.74rem; font-family:'Courier New',monospace; color:var(--primary); background:var(--primary-faint); border-radius:4px; padding:2px 6px; display:inline-block; }

/* slot colour themes */
.grammar-slot-pos1 { background:rgba(225,29,72,0.04); } .grammar-slot-pos1 .grammar-slot-pos { background:rgba(225,29,72,0.08); color:var(--primary); }
.grammar-slot-pos2 { background:rgba(28,176,246,0.08); } .grammar-slot-pos2 .grammar-slot-pos { background:rgba(28,176,246,0.2); color:var(--blue); }
.grammar-slot-pos3 { background:rgba(255,150,0,0.08); } .grammar-slot-pos3 .grammar-slot-pos { background:rgba(255,150,0,0.2); color:var(--accent); }
.grammar-slot-posm { background:rgba(206,130,255,0.08); } .grammar-slot-posm .grammar-slot-pos { background:rgba(206,130,255,0.2); color:var(--purple); }
.grammar-slot-pose { background:rgba(255,75,75,0.08); } .grammar-slot-pose .grammar-slot-pos { background:rgba(255,75,75,0.2); color:var(--error); }
.grammar-slot-posvw { background:rgba(255,150,0,0.08); } .grammar-slot-posvw .grammar-slot-pos { background:rgba(255,150,0,0.2); color:var(--accent); }

/* ── Word order extra rules table ────────────────────────────────── */
.grammar-wo-table { width:100%; border-collapse:collapse; font-size:0.77rem; margin-bottom:10px; }
.grammar-wo-table tr { border-bottom:1px solid var(--border); }
.grammar-wo-table tr:last-child { border-bottom:none; }
.grammar-wo-slot { font-weight:800; color:var(--primary); padding:5px 8px 5px 0; white-space:nowrap; width:22%; }
.grammar-wo-q { color:var(--text-muted); padding:5px 8px; width:28%; }
.grammar-wo-ex { font-family:'Courier New',monospace; font-size:0.73rem; color:var(--text); padding:5px 0; }

/* ── Conjugation section (Grammatica tab) ────────────────────────── */
.grammar-conj-section { margin-top:28px; }
.cj-block { background:var(--surface); border:2px solid var(--border); border-radius:var(--radius); padding:16px; margin-bottom:16px; }
.cj-block-title { font-size:0.9rem; font-weight:800; color:var(--primary); margin-bottom:4px; }
.cj-block-subtitle { font-size:0.74rem; color:var(--text-muted); font-style:italic; margin-bottom:12px; }
.cj-step { display:flex; gap:10px; margin-bottom:8px; align-items:flex-start; }
.cj-step-num { min-width:22px; height:22px; background:var(--primary-faint); color:var(--primary); border:1px solid rgba(225,29,72,0.15); border-radius:50%; font-size:0.7rem; font-weight:900; display:flex; align-items:center; justify-content:center; flex-shrink:0; margin-top:1px; }
.cj-step-nl { font-size:0.8rem; font-weight:700; color:var(--text); }
.cj-step-en { font-size:0.74rem; color:var(--text-muted); font-style:italic; }
.cj-step-ex { font-family:'Courier New',monospace; font-size:0.72rem; color:var(--primary); background:var(--primary-faint); border-radius:4px; padding:2px 6px; display:inline-block; margin-top:3px; }
.cj-table { width:100%; border-collapse:collapse; font-size:0.78rem; margin-bottom:10px; }
.cj-table thead tr { background:var(--surface2); }
.cj-table th { text-align:left; padding:5px 8px; font-size:0.68rem; text-transform:uppercase; letter-spacing:0.06em; color:var(--text-muted); border-bottom:2px solid var(--border); font-weight:800; }
.cj-table tr { border-bottom:1px solid var(--border); }
.cj-table tr:last-child { border-bottom:none; }
.cj-pronoun { font-weight:800; color:var(--primary); padding:5px 8px 5px 0; white-space:nowrap; }
.cj-rule { font-family:'Courier New',monospace; font-size:0.74rem; color:var(--text); padding:5px 8px; }
.cj-tip { font-size:0.74rem; color:var(--text-muted); padding:5px 0; font-style:italic; }
.cj-ex { font-family:'Courier New',monospace; font-size:0.72rem; color:var(--text); padding:5px 0; }
.cj-rule-text { font-size:0.8rem; color:var(--text); margin-bottom:4px; line-height:1.5; }
.cj-rule-en { font-style:italic; color:var(--text-muted); margin-bottom:10px; }
.kof-letters { display:flex; gap:6px; align-items:center; font-size:0.8rem; margin-bottom:10px; font-weight:700; }
.kof-letter { display:inline-flex; align-items:center; justify-content:center; width:28px; height:28px; background:var(--primary-faint); color:var(--primary); border:1px solid rgba(225,29,72,0.15); border-radius:6px; font-family:'Courier New',monospace; font-weight:900; font-size:0.9rem; }
.kof-badge { font-size:0.65rem; font-weight:800; padding:2px 6px; border-radius:10px; }
.kof-badge-yes { background:var(--success-bg); color:var(--success); }
.kof-badge-no  { background:var(--error-bg); color:var(--error); }
.cj-kof-table .kof-yes td { background:rgba(225,29,72,0.03); }
.cj-kof-table .kof-no  td { background:rgba(255,75,75,0.05); }
.cj-perf-examples { display:flex; flex-direction:column; gap:6px; margin-top:10px; }
.cj-perf-ex { display:grid; grid-template-columns:1fr 1fr auto; gap:8px; align-items:center; font-size:0.78rem; padding:5px 0; border-bottom:1px solid var(--border); }
.cj-perf-ex:last-child { border-bottom:none; }
.cj-perf-nl { font-weight:800; }
.cj-perf-en { color:var(--text-muted); font-style:italic; }
.cj-perf-note { font-size:0.66rem; background:var(--primary-faint); color:var(--primary); border-radius:10px; padding:2px 7px; white-space:nowrap; font-weight:700; }

/* ── Verb reference card (Werkwoorden tab) ───────────────────────── */
.vref-card { background:var(--surface2); border:2px solid var(--border); border-radius:var(--radius); padding:14px; margin-bottom:14px; }
.vref-card-header { display:flex; align-items:flex-start; justify-content:space-between; gap:12px; margin-bottom:10px; }
.vref-header-left { display:flex; flex-direction:column; gap:6px; flex:1; }
.vref-header { display:flex; align-items:center; gap:12px; flex-wrap:wrap; margin-bottom:8px; }
.btn-vref-toggle { flex-shrink:0; font-size:0.72rem; font-weight:800; padding:5px 12px; border-radius:var(--radius-sm); border:2px solid var(--border); background:var(--surface2); color:var(--text-muted); cursor:pointer; white-space:nowrap; transition:all 0.15s; }
.btn-vref-toggle:hover { background:var(--primary); color:#fff; border-color:var(--primary); }
.vref-stem-en { font-size:0.72rem; color:var(--text-muted); font-style:italic; margin-top:3px; }
.vref-type { font-size:0.7rem; font-weight:800; padding:3px 9px; border-radius:10px; }
.vref-regular   { background:var(--success-bg); color:var(--success); }
.vref-irregular { background:var(--error-bg); color:var(--error); }
.vref-modal     { background:rgba(28,176,246,0.15); color:var(--blue); }
.vref-aux { font-size:0.74rem; color:var(--text-muted); }
.vref-stem-tip { font-size:0.76rem; color:var(--text); background:var(--warning-bg); border-left:3px solid var(--accent); padding:5px 10px; border-radius:0 var(--radius-sm) var(--radius-sm) 0; margin-bottom:12px; line-height:1.6; }
.vref-tables { display:flex; gap:12px; flex-wrap:wrap; }
.vref-table-wrap { flex:1; min-width:130px; }
.vref-table-title { font-size:0.68rem; font-weight:800; text-transform:uppercase; letter-spacing:0.07em; color:var(--text-muted); margin-bottom:6px; }
.vref-table { width:100%; border-collapse:collapse; font-size:0.76rem; }
.vref-table tr { border-bottom:1px solid var(--border); }
.vref-table tr:last-child { border-bottom:none; }
.vref-pronoun { color:var(--text-muted); padding:3px 8px 3px 0; white-space:nowrap; font-size:0.72rem; }
.vref-form { font-weight:800; color:var(--primary); font-family:'Courier New',monospace; }

/* ── Tenses section (Grammatica tab) ─────────────────────────────── */
.grammar-tenses-section { margin-top:28px; }
.tense-grid { display:flex; flex-direction:column; gap:16px; }
.tense-card { background:var(--surface); border-radius:var(--radius); padding:16px; border-left:4px solid; box-shadow:var(--shadow-clay); border:2px solid var(--border); }
.tense-ott  { border-left-color:var(--primary); }
.tense-ovt  { border-left-color:var(--accent); }
.tense-vtt  { border-left-color:var(--blue); }
.tense-tt   { border-left-color:var(--purple); }
.tense-vvt  { border-left-color:var(--error); }
.tense-vs   { border-left-color:var(--accent); background:var(--surface2); }
.tense-card-header { margin-bottom:10px; }
.tense-name { font-family:var(--font-display); font-size:1.1rem; font-weight:400; color:var(--text); }
.tense-abbr { font-size:0.75rem; font-weight:700; color:var(--text-muted); }
.tense-name-en { font-size:0.78rem; color:var(--text-muted); font-style:italic; margin-top:2px; }
.tense-structure { font-family:'Courier New',monospace; font-size:0.72rem; background:var(--primary-faint); color:var(--primary); border:1px solid rgba(225,29,72,0.08); border-radius:4px; padding:5px 9px; margin-bottom:10px; line-height:1.6; }
.tense-structure-en { font-style:italic; opacity:0.75; margin-top:2px; }
.tense-when-title { font-size:0.68rem; font-weight:800; text-transform:uppercase; letter-spacing:0.08em; color:var(--text-muted); margin-bottom:6px; }
.tense-when-list { display:flex; flex-direction:column; gap:5px; margin-bottom:8px; }
.tense-when-row { display:flex; flex-direction:column; gap:1px; padding:5px 0; border-bottom:1px solid var(--border); }
.tense-when-row:last-child { border-bottom:none; }
.tense-when-nl { font-size:0.78rem; color:var(--text); font-weight:600; }
.tense-when-en { font-size:0.72rem; color:var(--text-muted); font-style:italic; }
.tense-example { margin-bottom:8px; padding-bottom:8px; border-bottom:1px solid var(--border); }
.tense-example:last-of-type { border-bottom:none; }
.tense-ex-nl { font-size:0.88rem; font-weight:800; color:var(--text); }
.tense-ex-en { font-size:0.76rem; color:var(--text-muted); font-style:italic; margin-top:2px; }
.tense-ex-note { display:inline-block; font-size:0.64rem; background:var(--primary-faint); color:var(--primary); border-radius:10px; padding:1px 7px; margin-top:3px; font-weight:700; }
.tense-keywords { font-size:0.74rem; color:var(--text); background:var(--warning-bg); border-left:3px solid var(--accent); padding:4px 9px; border-radius:0 4px 4px 0; margin:8px 0; line-height:1.5; }
.tense-tip { font-size:0.74rem; color:var(--text-muted); background:var(--surface2); border-radius:var(--radius-sm); padding:7px 10px; margin-top:10px; line-height:1.6; }

/* ── Conjugation Tool ───────────────────────────────────────────── */
.conjtool-search-row { display:flex; gap:8px; align-items:center; margin-bottom:8px; }
.conjtool-input { flex:1; padding:10px 14px; border:2px solid var(--border); border-radius:var(--radius-sm); font-size:0.85rem; font-family:var(--font-body); background:var(--surface2); color:var(--text); outline:none; font-weight:600; }
.conjtool-input:focus { border-color:var(--primary); }
.btn-sm { padding:6px 10px; font-size:0.78rem; }
.conjtool-suggestions { display:flex; flex-wrap:wrap; gap:6px; margin-bottom:10px; }
.conjtool-sug { background:var(--primary-faint); border:1px solid rgba(225,29,72,0.08); border-radius:var(--radius-sm); padding:4px 10px; font-size:0.78rem; cursor:pointer; color:var(--primary); font-weight:700; transition:all 0.12s; }
.conjtool-sug:hover { background:var(--primary); color:#fff; }
.conjtool-sug-en { font-weight:400; color:var(--text-muted); margin-left:4px; font-size:0.72rem; }
.ct-header { margin-bottom:12px; display:flex; flex-wrap:wrap; align-items:center; gap:10px; }
.ct-verb-title { font-family:var(--font-display); font-size:1.4rem; font-weight:400; color:var(--text); }
.ct-verb-en { font-size:0.85rem; color:var(--text-muted); font-style:italic; }
.ct-participle { font-size:0.75rem; color:var(--text-muted); }
.ct-table-wrap { overflow-x:auto; }
.ct-table { width:100%; border-collapse:collapse; font-size:0.78rem; min-width:600px; }
.ct-table thead tr { background:var(--primary); color:#fff; }
.ct-table th { padding:8px 10px; text-align:left; font-size:0.7rem; font-weight:800; line-height:1.4; }
.ct-th-en { font-weight:400; opacity:0.8; font-size:0.64rem; }
.ct-th-pronoun { width:120px; }
.ct-table tbody tr { border-bottom:1px solid var(--border); }
.ct-table tbody tr:nth-child(even) { background:var(--surface2); }
.ct-table tbody tr:last-child { border-bottom:none; }
.ct-pronoun { font-weight:800; color:var(--primary); padding:8px 10px; white-space:nowrap; vertical-align:top; }
.ct-pronoun-en { display:block; font-size:0.65rem; color:var(--text-muted); font-weight:400; }
.ct-cell { padding:8px 10px; font-family:'Courier New',monospace; color:var(--text); vertical-align:top; }
.ct-spanish { font-family:var(--font-body); font-size:0.7rem; color:var(--text-muted); font-style:italic; margin-top:2px; }

/* ── Tense quick reference (Werkwoorden tab) ─────────────────────── */
.tense-ref-details { margin-top:16px; border-top:1px solid var(--border); padding-top:12px; }
.tense-ref-summary { font-size:0.78rem; font-weight:800; color:var(--primary); cursor:pointer; list-style:none; display:inline-flex; align-items:center; gap:6px; }
.tense-ref-summary::-webkit-details-marker { display:none; }
.tense-ref-summary::before { content:'▶'; font-size:0.55rem; transition:transform 0.15s; }
details[open] .tense-ref-summary::before { transform:rotate(90deg); }
.tqr-row { display:grid; grid-template-columns:160px 1fr; gap:12px; padding:10px 0; border-bottom:1px solid var(--border); align-items:start; }
.tqr-row:last-child { border-bottom:none; }
.tqr-name { display:flex; flex-direction:column; gap:2px; padding-left:8px; border-left:4px solid var(--border); }
.tense-ott-border { border-color:var(--primary); }
.tense-ovt-border { border-color:var(--accent); }
.tense-vtt-border { border-color:var(--blue); }
.tense-tt-border  { border-color:var(--purple); }
.tense-vvt-border { border-color:var(--error); }
.tense-vs-border  { border-color:var(--accent); }
.tqr-abbr { font-size:0.65rem; font-weight:900; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.08em; }
.tqr-nl { font-size:0.8rem; font-weight:800; color:var(--text); }
.tqr-en { font-size:0.72rem; color:var(--text-muted); font-style:italic; }
.tqr-when { display:flex; flex-direction:column; gap:4px; }
.tqr-when-item { font-size:0.76rem; display:flex; flex-direction:column; gap:1px; }
.tqr-nl-text { color:var(--text); }
.tqr-en-text { color:var(--text-muted); font-style:italic; font-size:0.71rem; }
.tqr-keywords { font-size:0.7rem; color:var(--primary); margin-top:4px; font-weight:700; }

/* ── Verb exercise (all tenses) ──────────────────────────────────── */
.verb-ex-score { display:flex; gap:8px; }
.vex-question { margin-bottom:14px; }
.vex-tense-badge { display:inline-block; font-size:0.72rem; font-weight:800; padding:4px 12px; border-radius:10px; color:#fff; margin-bottom:8px; }
.vex-tense-badge.tense-ott { background:var(--primary); } .vex-tense-badge.tense-ovt { background:var(--accent); }
.vex-tense-badge.tense-vtt { background:var(--blue); } .vex-tense-badge.tense-tt  { background:var(--purple); }
.vex-tense-badge.tense-vvt { background:var(--error); }
.vex-prompt { font-size:1.1rem; font-weight:800; color:var(--text); margin-bottom:4px; }
.vex-prompt-en { font-size:0.78rem; color:var(--text-muted); font-style:italic; margin-bottom:14px; }
.vex-input-row { display:flex; align-items:center; gap:10px; margin-bottom:10px; }
.vex-pronoun { font-weight:800; color:var(--primary); font-size:0.9rem; min-width:90px; }
.vex-actions { display:flex; gap:8px; margin-bottom:10px; }
.vex-fb { font-size:0.85rem; padding:8px 12px; border-radius:var(--radius-sm); margin-top:6px; font-weight:700; }
.vex-fb-ok   { background:var(--success-bg); color:var(--success); }
.vex-fb-wrong { background:var(--error-bg); color:var(--error); }

/* ── Verb exercise progress ─────────────────────────────────────── */
.vex-progress { margin-bottom:16px; }
.vex-progress-steps { display:flex; align-items:center; gap:4px; margin-bottom:8px; flex-wrap:wrap; }
.vex-tense-step { font-size:0.7rem; font-weight:800; padding:4px 10px; border-radius:10px; background:var(--surface2); color:var(--text-muted); border:1.5px solid var(--border); cursor:pointer; transition:all 0.15s; }
.vex-tense-step.done { background:var(--success-bg); color:var(--success); border-color:rgba(225,29,72,0.15); }
.vex-tense-step.active { color:#fff; border-color:transparent; }
.vex-tense-step:hover { opacity:0.8; transform:scale(1.05); }
.vex-step-arrow { font-size:0.7rem; color:var(--text-muted); }
.vex-progress-bar-wrap { height:8px; background:var(--border); border-radius:4px; margin-bottom:4px; }
.vex-progress-bar-fill { height:100%; background:var(--primary); border-radius:4px; transition:width 0.3s; box-shadow:0 0 6px rgba(225,29,72,0.15); }
.vex-progress-label { font-size:0.7rem; color:var(--text-muted); text-align:right; font-weight:600; }

.vex-repeat-btn { font-size:0.7rem; font-weight:800; padding:4px 12px; border-radius:10px; background:var(--primary-faint); color:var(--primary); border:1px solid rgba(225,29,72,0.15); cursor:pointer; margin-left:8px; transition:all 0.15s; }
.vex-repeat-btn:hover { background:var(--primary); color:#fff; }

/* ── Verb choice buttons ────────────────────────────────────────── */
.verb-choice-row { display:flex; gap:12px; }
.verb-choice-btn { flex:1; display:flex; flex-direction:column; align-items:center; gap:8px; padding:24px 16px; background:var(--surface); border:2px solid var(--border); border-radius:var(--radius); cursor:pointer; transition:all 0.2s ease-out; font-family:var(--font-body); box-shadow:var(--shadow-clay); }
.verb-choice-btn:hover { border-color:var(--primary); background:var(--primary-faint); transform:translateY(-3px); box-shadow:var(--shadow-clay-hover); }
.verb-choice-btn:active { transform:translateY(2px); box-shadow:var(--shadow-clay-press); }
.vcb-icon { font-size:1.8rem; }
.vcb-label { font-size:0.95rem; font-weight:800; color:var(--text); }
.vcb-sub { font-size:0.72rem; color:var(--text-muted); font-style:italic; }

/* ── Verb exercise — mode toggle ────────────────────────────────── */
.vex-mode-toggle { display:flex; gap:0; margin-bottom:14px; border:2px solid var(--primary); border-radius:var(--radius-sm); overflow:hidden; width:fit-content; }
.vex-mode-btn { padding:8px 18px; font-size:0.78rem; font-weight:800; font-family:var(--font-body); background:transparent; color:var(--primary); border:none; cursor:pointer; transition:all 0.15s; }
.vex-mode-btn.active { background:var(--primary); color:#fff; }
.vex-mode-btn:hover:not(.active) { background:var(--primary-faint); }

/* ── Verb exercise — table layout ───────────────────────────────── */
.vex-table { width:100%; border-collapse:collapse; margin-bottom:14px; }
.vex-table thead tr { background:var(--primary); color:#fff; }
.vex-th-pronoun { padding:8px 10px; text-align:left; font-size:0.72rem; font-weight:800; width:130px; }
.vex-th-answer  { padding:8px 10px; text-align:left; font-size:0.72rem; font-weight:800; }
.vex-table tbody tr { border-bottom:1px solid var(--border); }
.vex-table tbody tr:nth-child(even) { background:var(--surface2); }
.vex-table tbody tr:last-child { border-bottom:none; }
.vex-tbl-pronoun { padding:8px 10px; vertical-align:middle; white-space:nowrap; }
.vex-tbl-pronoun-nl { font-weight:800; color:var(--primary); font-size:0.85rem; }
.vex-tbl-pronoun-en { display:block; font-size:0.64rem; color:var(--text-muted); font-weight:400; }
.vex-tbl-cell { padding:6px 10px; vertical-align:middle; }

/* Type mode — input field */
.vex-tbl-input { width:100%; padding:8px 12px; border:2px solid var(--border); border-radius:var(--radius-sm); font-size:0.85rem; font-family:'Courier New',monospace; color:var(--text); background:var(--surface2); outline:none; transition:border-color 0.15s; }
.vex-tbl-input:focus { border-color:var(--primary); }
.vex-tbl-input.correct { border-color:var(--success); background:var(--success-bg); color:var(--success); }
.vex-tbl-input.incorrect { border-color:var(--error); background:var(--error-bg); color:var(--error); animation:shake 0.4s ease; }
.vex-inline-hint { display:block; font-size:0.7rem; color:var(--error); margin-top:2px; }

/* Select mode — option buttons */
.vex-opt-row { display:flex; flex-wrap:wrap; gap:6px; }
.vex-opt-btn { padding:6px 16px; border:2px solid var(--border); border-radius:var(--radius-sm); font-size:0.82rem; font-family:'Courier New',monospace; background:var(--surface2); color:var(--text); cursor:pointer; transition:all 0.12s; box-shadow:0 3px 0 rgba(26,29,35,0.08); }
.vex-opt-btn:hover:not(:disabled) { border-color:var(--primary); background:var(--primary-faint); color:var(--primary); transform:translateY(-1px); }
.vex-opt-btn:active:not(:disabled) { transform:translateY(2px); box-shadow:0 0 0 rgba(0,0,0,0.2); }
.vex-opt-btn.opt-correct { background:var(--success-bg); border-color:var(--success); color:var(--success); font-weight:800; }
.vex-opt-btn.opt-wrong { background:var(--error-bg); border-color:var(--error); color:var(--error); animation:shake 0.4s ease; }
.vex-opt-btn:disabled { cursor:default; opacity:0.6; }

/* ── Level badges ───────────────────────────────────────────────── */
.level-badge { display:inline-block; font-size:0.68rem; font-weight:700; padding:3px 10px; border-radius:6px; letter-spacing:0.06em; text-transform:uppercase; }
.level-a1 { background:#DCFCE7; color:#16A34A; border:1.5px solid #BBF7D0; }
.level-a2 { background:#DBEAFE; color:#2563EB; border:1.5px solid #BFDBFE; }
.level-b1 { background:#FEF3C7; color:#D97706; border:1.5px solid #FDE68A; }
.level-b2 { background:#FFE4E6; color:#E11D48; border:1.5px solid #FECDD3; }

/* ── Grammar topic filter level buttons ──────────────────────────── */
.a1-btn.active { background:var(--success); color:#fff; border-color:var(--success); }
.a2-btn.active { background:var(--primary); color:#fff; border-color:var(--primary); }
.b1-btn.active { background:var(--accent); color:#fff; border-color:var(--accent); }
.b2-btn.active { background:var(--error); color:#fff; border-color:var(--error); }

/* ── Grammar level sections ─────────────────────────────────────── */
#grammar-rules-grid, #grammar-topics-grid { display:flex; flex-direction:column; gap:16px; margin-top:14px; }
.gt-level-section { border:2px solid var(--lv-color, var(--border)); border-radius:var(--radius); overflow:hidden; }
.gt-level-header { display:flex; flex-direction:column; gap:10px; padding:12px 16px; background:color-mix(in srgb, var(--lv-color) 8%, var(--surface)); border-bottom:2px solid color-mix(in srgb, var(--lv-color) 20%, var(--border)); }
.gt-level-header-top { display:flex; align-items:center; gap:10px; }
.gt-level-name { font-size:0.95rem; font-weight:900; color:var(--text); }
.gt-level-name-en { font-size:0.75rem; color:var(--text-muted); font-style:italic; }
.gt-level-cards { display:flex; flex-direction:column; gap:12px; padding:14px; background:var(--surface); }

/* ── Grammar topic cards ────────────────────────────────────────── */
.gt-card { background:var(--surface); border:2px solid var(--border); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-clay); }
.gt-card-header { display:flex; align-items:center; gap:10px; padding:12px 16px; background:linear-gradient(180deg, var(--surface) 0%, var(--surface2) 100%); border-bottom:1px solid var(--border); flex-wrap:wrap; }
.gt-card-actions { margin-left:auto; display:flex; gap:6px; align-items:center; flex-wrap:wrap; }
.gt-read-btn { font-size:0.72rem; font-weight:700; padding:4px 12px; border-radius:20px; border:1.5px solid var(--border); background:var(--surface); color:var(--text-muted); cursor:pointer; transition:all 0.15s; }
.gt-read-btn:hover:not(:disabled) { background:var(--primary-faint); color:var(--primary); border-color:var(--primary); }
.gt-read-btn.gt-read-done { background:var(--success-bg); color:var(--success); border-color:rgba(225,29,72,0.15); cursor:default; }
.gt-practice-btn { font-size:0.72rem; font-weight:700; padding:4px 12px; border-radius:20px; border:1.5px solid var(--border); background:var(--surface); color:var(--text-muted); cursor:pointer; transition:all 0.15s; }
.gt-practice-btn:hover { background:var(--primary-faint); color:var(--primary); border-color:var(--primary); }
.gt-practice-btn.gt-practice-errors { background:rgba(255,200,0,0.12); color:var(--gold); border-color:rgba(255,200,0,0.3); font-weight:800; }
.gt-title { font-family:var(--font-display); font-size:1rem; font-weight:400; color:var(--text); }
.gt-title-en { font-size:0.78rem; color:var(--text-muted); font-style:italic; }
.gt-card-body { padding:14px 16px; display:flex; flex-direction:column; gap:10px; }
.gt-intro { font-size:0.85rem; color:var(--text); font-weight:600; }
.gt-intro-en { font-size:0.78rem; color:var(--text-muted); font-style:italic; margin-top:-6px; }

/* ── Grammar topic tables ───────────────────────────────────────── */
.gt-table-wrap { overflow-x:auto; margin:4px 0; }
.gt-table-heading { font-size:0.72rem; font-weight:800; color:var(--primary); margin-bottom:4px; }
.gt-table-heading-en { font-weight:400; color:var(--text-muted); }
.gt-table { border-collapse:collapse; font-size:0.78rem; width:100%; min-width:280px; }
.gt-table thead tr { background:var(--primary-faint); color:var(--primary); }
.gt-table th { padding:6px 10px; text-align:left; font-size:0.7rem; font-weight:800; border-bottom:2px solid var(--border); }
.gt-table td { padding:5px 10px; border-bottom:1px solid var(--border); }
.gt-table tbody tr:last-child td { border-bottom:none; }
.gt-table tbody tr:nth-child(even) { background:var(--surface2); }

/* ── Grammar topic rules ────────────────────────────────────────── */
.gt-rules { display:flex; flex-direction:column; gap:5px; }
.gt-rule { display:flex; flex-direction:column; gap:1px; padding:6px 10px; background:var(--primary-faint); border-left:3px solid var(--primary); border-radius:0 var(--radius-sm) var(--radius-sm) 0; }
.gt-rule-nl { font-size:0.8rem; font-weight:700; color:var(--text); }
.gt-rule-en { font-size:0.73rem; color:var(--text-muted); font-style:italic; }

/* ── Grammar topic examples ─────────────────────────────────────── */
.gt-examples-label { font-size:0.68rem; font-weight:800; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.08em; margin-bottom:4px; }
.gt-examples { display:flex; flex-direction:column; gap:4px; }
.gt-example { display:flex; flex-direction:column; gap:1px; padding:4px 0; border-bottom:1px solid var(--border); }
.gt-example:last-child { border-bottom:none; }
.gt-ex-nl { font-size:0.88rem; font-weight:800; color:var(--text); }
.gt-ex-en { font-size:0.74rem; color:var(--text-muted); font-style:italic; }
.gt-ex-note { display:inline-block; font-size:0.64rem; background:var(--warning-bg); border-radius:8px; padding:1px 7px; margin-top:2px; color:var(--accent); font-weight:700; }
.gt-tip { font-size:0.75rem; background:var(--warning-bg); border-left:3px solid var(--accent); padding:6px 10px; border-radius:0 var(--radius-sm) var(--radius-sm) 0; color:var(--text); line-height:1.5; }
.gt-tip-en { color:var(--text-muted); font-style:italic; }

/* ── Lesson plan ────────────────────────────────────────────────── */
.lp-intro { font-size:0.85rem; color:var(--text); margin-bottom:2px; font-weight:600; }
.lp-intro-en { font-size:0.78rem; color:var(--text-muted); font-style:italic; margin-bottom:20px; }

/* Sessions (one per level) */
.lp-sessions { display:flex; flex-direction:column; gap:24px; }
.lp-session { border-radius:var(--radius); overflow:hidden; border:2px solid var(--lp-color,var(--border)); box-shadow:var(--shadow-clay); }
.lp-session-header { display:flex; align-items:center; gap:10px; padding:14px 18px; background:color-mix(in srgb, var(--lp-color) 10%, var(--surface)); border-bottom:2px solid var(--lp-color,var(--border)); flex-wrap:wrap; }
.lp-session-num { font-size:0.7rem; font-weight:900; text-transform:uppercase; letter-spacing:0.1em; color:var(--lp-color,var(--text-muted)); background:color-mix(in srgb, var(--lp-color) 15%, var(--surface)); padding:3px 10px; border-radius:20px; border:1px solid color-mix(in srgb, var(--lp-color) 30%, transparent); }
.lp-session-title { font-family:var(--font-display); font-size:1.05rem; font-weight:400; color:var(--text); }
.lp-session-duration { font-size:0.72rem; color:var(--text-muted); margin-left:auto; font-weight:700; }
.lp-session-nav { display:flex; flex-wrap:wrap; gap:6px; padding:10px 18px; border-bottom:1px solid color-mix(in srgb, var(--lp-color) 20%, var(--border)); background:color-mix(in srgb, var(--lp-color) 5%, var(--surface)); }
.lp-nav-pill { font-size:0.72rem; font-weight:800; padding:4px 14px; border-radius:20px; border:2px solid color-mix(in srgb, var(--lp-color) 30%, var(--border)); background:var(--surface); color:var(--lp-color,var(--primary)); cursor:pointer; transition:all 0.15s; }
.lp-nav-pill:hover { background:var(--lp-color,var(--primary)); color:#fff; border-color:var(--lp-color,var(--primary)); }

/* Topics (units within a session) */
.lp-topics { display:flex; flex-direction:column; }
.lp-topic { border-bottom:1px solid var(--border); }
.lp-topic--current { border-left:3px solid var(--primary); background:var(--primary-faint); }
.lp-current-marker { padding:6px 18px 0; font-size:0.78rem; font-weight:800; color:var(--primary); letter-spacing:0.02em; }
.lp-unit-continue-btn { margin-left:auto; padding:6px 16px; border-radius:99px; border:none; background:var(--primary); color:#fff; font-size:0.8rem; font-weight:800; cursor:pointer; white-space:nowrap; box-shadow:0 3px 0 var(--primary-dark); }
.lp-unit-continue-btn:hover { opacity:0.85; }
.lp-topic:last-child { border-bottom:none; }
.lp-topic-header { display:flex; align-items:center; gap:10px; padding:12px 18px; background:var(--surface); flex-wrap:wrap; }
.lp-topic-num { font-size:0.68rem; font-weight:900; text-transform:uppercase; letter-spacing:0.08em; color:var(--lp-color,var(--primary)); background:color-mix(in srgb, var(--lp-color) 10%, var(--surface)); padding:3px 10px; border-radius:20px; border:1px solid color-mix(in srgb, var(--lp-color) 20%, transparent); white-space:nowrap; }
.lp-topic-titles { display:flex; flex-direction:column; gap:1px; }
.lp-topic-title { font-size:0.9rem; font-weight:800; color:var(--text); }
.lp-topic-title-en { font-size:0.72rem; color:var(--text-muted); font-style:italic; }
.lp-topic-weeks { font-size:0.7rem; color:var(--text-muted); margin-left:auto; font-weight:700; white-space:nowrap; }

/* Subtopics */
.lp-subtopics { display:flex; flex-direction:column; gap:0; padding:0 0 4px 0; background:color-mix(in srgb, var(--lp-color) 3%, var(--surface2)); }
.lp-subtopic { display:flex; align-items:flex-start; gap:8px; padding:8px 18px; border-top:1px solid var(--border); flex-wrap:wrap; }
.lp-subtopic-col { flex-direction:column; gap:6px; }
.lp-subtopic-head { display:flex; align-items:center; gap:8px; }
.lp-sub-num { font-size:0.7rem; font-weight:900; color:var(--lp-color,var(--primary)); font-family:'Courier New',monospace; min-width:28px; padding-top:2px; }
.lp-sub-icon { font-size:0.82rem; padding-top:1px; }
.lp-sub-label { font-size:0.68rem; font-weight:900; text-transform:uppercase; letter-spacing:0.07em; color:var(--text-muted); padding-top:2px; }
.lp-sub-content { display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.lp-tags { display:flex; flex-wrap:wrap; gap:4px; }
.lp-tag { font-size:0.72rem; padding:3px 10px; border-radius:8px; font-weight:700; }
.lp-tag-grammar { background:var(--primary-faint); color:var(--primary); }
.lp-tag-verb { background:var(--success-bg); color:var(--success); }
.lp-tag-vocab { background:rgba(232,151,62,0.1); color:var(--accent); }
.lp-tag-zinnen { background:rgba(255,150,0,0.12); color:var(--accent); }
.lp-tag-dehet { background:rgba(206,130,255,0.12); color:var(--purple); }
.lp-tag-link { cursor:pointer; }
.lp-tag-link:hover { opacity:0.8; text-decoration:underline; }

/* ── Exercise filter bar ─────────────────────────────── */
.ex-filter-bar { padding: 8px 0 4px; border-bottom: 1px solid var(--border); margin-bottom: 6px; display: flex; flex-direction: column; gap: 4px; }
.ex-filter-label { font-size: 0.66rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0.07em; color: var(--text-muted); margin-right: 4px; }
.ex-filter-bar .filter-row { margin-bottom: 0; flex-wrap: wrap; }

/* Numbered steps (activities) */
.lp-steps { list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:5px; }
.lp-step { display:flex; align-items:flex-start; gap:8px; }
.lp-step-num { font-size:0.68rem; font-weight:900; color:var(--text-muted); font-family:'Courier New',monospace; min-width:34px; padding-top:3px; }
.lp-act-badge { font-size:0.62rem; font-weight:800; text-transform:uppercase; letter-spacing:0.04em; padding:3px 8px; border-radius:8px; white-space:nowrap; align-self:flex-start; margin-top:2px; }
.lp-act-grammatica { background:var(--primary-faint); color:var(--primary); }
.lp-act-werkwoorden { background:var(--success-bg); color:var(--success); }
.lp-act-zinnen { background:var(--warning-bg); color:var(--accent); }
.lp-act-woordenschat { background:rgba(206,130,255,0.12); color:var(--purple); }
.lp-act-dehet { background:var(--error-bg); color:var(--error); }
.lp-step-text { display:flex; flex-direction:column; gap:1px; }
.lp-step-nl { font-size:0.78rem; color:var(--text); line-height:1.4; }
.lp-step-en { font-size:0.71rem; color:var(--text-muted); font-style:italic; }

/* Goals */
.lp-goals { list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:4px; }
.lp-goal { display:flex; flex-direction:column; gap:1px; padding:5px 10px; background:var(--surface); border-left:3px solid var(--lp-color,var(--primary)); border-radius:0 4px 4px 0; }
.lp-goal-nl { font-size:0.78rem; color:var(--text); font-weight:600; }
.lp-goal::before { content:'✓'; font-size:0.65rem; color:var(--lp-color,var(--primary)); font-weight:900; }
.lp-goal-en { font-size:0.71rem; color:var(--text-muted); font-style:italic; }

/* ── HOME PAGE ──────────────────────────────────────── */
#panel-home.active { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 28px; }

.home-hero {
  background: linear-gradient(135deg, #BE123C 0%, #E11D48 35%, #F43F5E 70%, #FB7185 100%);
  border: 2px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 32px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  box-shadow: 0 6px 0 #9F1239, 0 10px 30px rgba(225,29,72,0.3), inset 0 1px 0 rgba(255,255,255,0.15);
  position: relative;
  overflow: hidden;
}
.home-hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.home-hero::after {
  content: '';
  position: absolute;
  bottom: -30%; left: -10%;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(251,113,133,0.2) 0%, transparent 70%);
  pointer-events: none;
}
.home-hero-title {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 400;
  color: #fff;
  line-height: 1.2;
  position: relative;
  z-index: 1;
}
.home-hero-sub { font-size: 0.85rem; color: rgba(255,255,255,0.65); margin-top: 6px; font-weight: 500; letter-spacing: 0.02em; position: relative; z-index: 1; }

.home-stats { display: flex; align-items: center; gap: 0; position: relative; z-index: 1; }
.home-stat { display: flex; flex-direction: column; align-items: center; padding: 4px 24px; }
.home-stat-num { font-family: var(--font-display); font-size: 2.2rem; font-weight: 400; color: #fff; line-height: 1; }
.home-stat-label { font-size: 0.72rem; color: rgba(255,255,255,0.55); margin-top: 6px; white-space: nowrap; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
.home-stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.15); border-radius: 1px; }

/* ── Home continue bar ──────────────────────────────── */
.home-continue { display:flex; align-items:center; gap:12px; background:var(--surface); border:2px solid var(--border); border-radius:var(--radius); padding:14px 18px; flex-wrap:wrap; box-shadow:var(--shadow-clay); }
.home-continue--unit { border-left:3px solid var(--primary); background:var(--primary-faint); }
.home-continue--empty { color:var(--text-muted); font-size:0.9rem; font-weight:600; }
.home-continue-label { font-size:0.72rem; font-weight:900; text-transform:uppercase; letter-spacing:0.06em; color:var(--primary); white-space:nowrap; }
.home-continue-sentence { font-size:0.9rem; color:var(--text); flex:1; min-width:0; }
.home-continue-unit-info { display:flex; align-items:center; gap:10px; flex:1; flex-wrap:wrap; min-width:0; }
.home-continue-unit-title { font-weight:800; font-size:0.95rem; color:var(--text); }
.home-continue-step { font-size:0.82rem; color:var(--primary); font-weight:700; }
.home-continue-btn { white-space:nowrap; }

.home-section-label {
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.home-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }

.home-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 14px;
  cursor: pointer;
  text-align: left;
  transition: all 0.2s ease-out;
  box-shadow: var(--shadow-clay);
}
.home-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-clay-hover);
  border-color: var(--primary);
}
.home-card:active {
  transform: translateY(2px);
  box-shadow: var(--shadow-clay-press);
}
.home-card--accent { border-left: 3px solid var(--accent); }
.home-card--muted { background: var(--surface2); }

.home-card-icon {
  flex-shrink: 0;
  width: 42px; height: 42px;
  background: var(--primary-faint);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.home-card-icon svg { width: 20px; height: 20px; stroke: var(--primary); transition: stroke 0.2s; }
.home-card--accent .home-card-icon { background: rgba(232,151,62,0.1); }
.home-card--accent .home-card-icon svg { stroke: var(--accent); }
.home-card--muted .home-card-icon { background: var(--surface2); }
.home-card--muted .home-card-icon svg { stroke: var(--text-muted); }

.home-card-body { flex: 1; min-width: 0; }
.home-card-title { font-size: 0.9rem; font-weight: 700; color: var(--text); }
.home-card-desc { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; line-height: 1.4; font-weight: 500; }

.home-card-arrow { font-size: 1.2rem; color: var(--border); flex-shrink: 0; transition: color 0.15s; }
.home-card:hover .home-card-arrow { color: var(--primary); }

/* ── Star / flag feature ──────────────────────────────── */
.ex-star-btn {
  position: absolute;
  top: 10px; right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: transform 0.15s;
  line-height: 1;
}
.ex-star-btn svg {
  width: 22px; height: 22px;
  stroke: var(--border);
  fill: none;
  transition: stroke 0.15s, fill 0.15s;
}
.ex-star-btn:hover svg { stroke: var(--gold); }
.ex-star-btn.starred svg { stroke: var(--gold); fill: var(--gold); }
.ex-star-btn:hover { transform: scale(1.2); }

.ex-comment-wrap {
  background: var(--warning-bg);
  border: 2px solid rgba(255,150,0,0.2);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ex-comment-label { font-size: 0.72rem; font-weight: 800; color: var(--accent); }
.ex-comment-input {
  width: 100%;
  border: 2px solid rgba(255,150,0,0.2);
  border-radius: 8px;
  padding: 8px 10px;
  font-family: var(--font-body);
  font-size: 0.83rem;
  background: var(--surface);
  resize: vertical;
  color: var(--text);
  font-weight: 600;
}
.ex-comment-input:focus { outline: none; border-color: var(--accent); }
.ex-comment-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.ex-comment-save { font-size: 0.78rem; padding: 5px 14px; }

/* Alle zinnen — star column & flagged rows */
.star-cell { width: 28px; text-align: center; }
.zinnen-star { font-size: 1rem; color: var(--gold); }
.filter-btn--star { color: #7A5C00; background: #FEF3E2; border-color: #e8cc80 !important; }
.filter-btn--star.active { background: #f5a623; color: #fff; border-color: #f5a623 !important; }
.row-flagged { background: rgba(255,200,0,0.05); }
.row-flagged:hover { background: rgba(255,200,0,0.08); }

.sentence-comment {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 5px;
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--warning-bg);
  border-radius: 5px;
  padding: 4px 8px;
  line-height: 1.4;
  flex-wrap: wrap;
}
.sentence-comment-icon { flex-shrink: 0; }
.sentence-comment-text { flex: 1; }
.comment-action-btn {
  background: none; border: none; cursor: pointer;
  font-size: 0.75rem; padding: 1px 4px; border-radius: 4px;
  color: var(--accent); opacity: 0.6; transition: opacity 0.15s;
}
.comment-action-btn:hover { opacity: 1; }
.comment-action-btn--del:hover { color: var(--error); }

.sentence-add-comment { margin-top: 4px; }
.add-comment-btn {
  background: none; border: 1px dashed rgba(255,150,0,0.3);
  border-radius: 5px; padding: 2px 10px;
  font-size: 0.72rem; color: var(--accent); cursor: pointer;
  transition: background 0.15s;
}
.add-comment-btn:hover { background: var(--warning-bg); }

/* Inline comment editor */
.sentence-comment--editing { display: block !important; }
.inline-comment-ta {
  width: 100%; border: 2px solid rgba(255,150,0,0.2); border-radius: 8px;
  padding: 6px 8px; font-family: var(--font-body); font-size: 0.8rem;
  background: var(--surface); resize: vertical; color: var(--text); font-weight: 600;
}
.inline-comment-ta:focus { outline: none; border-color: var(--accent); }
.inline-comment-btns { display: flex; gap: 6px; margin-top: 4px; }
.btn-sm { font-size: 0.74rem !important; padding: 4px 12px !important; }

/* ── Bewerken — Vragen & opmerkingen section ──────────── */
.flag-item {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 10px;
  background: var(--surface);
}
.flag-item:last-child { margin-bottom: 0; }
.flag-item-header {
  display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap;
  margin-bottom: 8px;
}
.flag-nl { font-size: 0.85rem; font-weight: 800; color: var(--text); }
.flag-en { font-size: 0.78rem; color: var(--text-muted); font-style: italic; }
.flag-comment-ta {
  width: 100%; border: 2px solid var(--border); border-radius: 8px;
  padding: 7px 10px; font-family: var(--font-body); font-size: 0.83rem;
  background: var(--surface2); resize: vertical; color: var(--text); font-weight: 600;
}
.flag-comment-ta:focus { outline: none; border-color: var(--primary); }
.flag-item-actions { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }

/* ── Unit Filter Bar ────────────────────────────────────────────── */
.unit-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 8px 14px; margin-bottom: 10px; border-radius: var(--radius);
  font-size: 0.82rem; }
.unit-bar--inactive { background: var(--surface); border: 2px solid var(--border); }
.unit-bar--active { background: rgba(255,150,0,0.08); border: 2px solid var(--accent); }
.unit-bar-label { color: var(--text-muted); font-weight: 600; white-space: nowrap; }
.unit-bar-select { border: 2px solid var(--border); border-radius: 8px;
  padding: 4px 8px; font-size: 0.82rem; background: var(--surface2); color: var(--text);
  cursor: pointer; max-width: 260px; }
.unit-bar-select:focus { outline: none; border-color: var(--primary); }
.unit-bar-chip { display: inline-block; padding: 3px 12px; border-radius: 99px;
  font-size: 0.78rem; font-weight: 800; white-space: nowrap; }
.unit-bar-chip--a1 { background: #dcfce7; color: #15803d; }
.unit-bar-chip--a2 { background: #dbeafe; color: #1d4ed8; }
.unit-bar-chip--b1 { background: #ffedd5; color: #c2410c; }
.unit-bar-chip--b2 { background: #f3e8ff; color: #7e22ce; }
.unit-bar-title { font-weight: 800; color: var(--text); }
.unit-bar-step { font-size: 0.8rem; color: var(--text-muted); white-space: nowrap; }
.unit-bar-step strong { color: var(--text); }
.up-step { display:inline-block; padding:4px 12px; border-radius:99px; font-size:0.78rem; font-weight:700; cursor:pointer; border:2px solid var(--border); background:var(--surface2); color:var(--text-muted); transition:all 0.15s; }
.up-step:hover { background:var(--border); }
.up-step-done { background:var(--success-bg); color:var(--success); border-color:rgba(225,29,72,0.15); }
.up-step-current { background:var(--primary); color:#fff; border-color:var(--primary); }
.unit-bar-next-btn { margin-left: auto; padding: 5px 16px; border-radius: 99px; border: none; background: var(--primary); color: #fff; font-size: 0.8rem; font-weight: 800; cursor: pointer; white-space: nowrap; transition: opacity 0.15s; box-shadow:0 3px 0 var(--primary-dark); }
.unit-bar-next-btn:hover { opacity: 0.85; }
.unit-bar-next-btn--done { background: var(--success); box-shadow:0 3px 0 #1a4a35; }
.unit-bar-verbs { display: flex; gap: 4px; flex-wrap: wrap; }
.unit-bar-clear { padding: 4px 12px; border: 2px solid var(--accent);
  border-radius: 99px; background: transparent; color: var(--accent); font-size: 0.78rem;
  cursor: pointer; white-space: nowrap; font-weight: 700; }
.unit-bar-clear:hover { background: rgba(255,150,0,0.12); }
.unit-bar-count { font-size: 0.82rem; color: var(--accent); background: rgba(255,150,0,0.12); border-radius: 99px; padding: 2px 10px; font-weight: 700; }
.unit-bar-progress-row { flex-basis: 100%; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding-top: 6px; border-top: 1px solid rgba(255,150,0,0.2); margin-top: 4px; }
.up-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 600; white-space: nowrap; }
.up-item { font-size: 0.8rem; padding: 3px 12px; border-radius: 99px; cursor: pointer; user-select: none; border: 2px solid transparent; transition: all 0.15s; font-weight: 700; }
.up-todo { background: var(--surface2); color: var(--text-muted); border-color: var(--border); }
.up-todo:hover { background: var(--border); }
.up-done { background: var(--success-bg); color: var(--success); border-color: rgba(225,29,72,0.15); font-weight: 800; }
.up-done:hover { background: rgba(225,29,72,0.08); }
.up-count { font-size: 0.78rem; font-weight: 800; color: var(--accent); margin-left: 4px; }
.up-reset-btn { font-size: 0.75rem; background: transparent; border: 2px solid var(--accent); border-radius: 99px; color: var(--accent); padding: 2px 10px; cursor: pointer; margin-left: auto; font-weight: 700; }
.up-reset-btn:hover { background: rgba(255,150,0,0.12); }
.lp-progress-badge { display: inline-block; font-size: 0.75rem; font-weight: 800; padding: 2px 10px; border-radius: 99px; background: rgba(255,150,0,0.12); color: var(--accent); border: 1px solid rgba(255,150,0,0.2); }
.lp-progress-full { background: var(--success-bg); color: var(--success); border-color: rgba(225,29,72,0.15); }

/* ── Lesson plan unit practice button ───────────────────────────── */
.lp-unit-practice-btn { margin-left: auto; padding: 5px 14px; border-radius: 99px;
  border: 2px solid var(--primary); background: transparent; color: var(--primary);
  font-size: 0.78rem; font-weight: 800; cursor: pointer; white-space: nowrap;
  flex-shrink: 0; }
.lp-unit-practice-btn:hover { background: var(--primary); color: #fff; }

/* ══════════════════════════════════════════════════════════════════
   MOBILE — responsive styles
   ══════════════════════════════════════════════════════════════════ */

@media (max-width: 640px) {

  /* ── Bottom nav bar on mobile ─────────────────────────────────── */
  .tab-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.93);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    border-top: 1px solid var(--border);
    border-bottom: none;
    z-index: 200;
    padding: 4px 2px;
    display: flex;
    justify-content: space-around;
    gap: 0;
    box-shadow: 0 -2px 12px rgba(225,29,72,0.04);
  }
  .tab-btn {
    flex-direction: column;
    gap: 2px;
    padding: 6px 4px;
    font-size: 0.62rem;
    border-bottom: none;
    flex: 1;
    text-align: center;
    justify-content: center;
    min-width: 0;
  }
  .tab-btn svg { width: 20px; height: 20px; }
  .tab-btn.active { border-bottom: none; color: var(--primary); }
  .tab-btn span { display: block; line-height: 1.1; }

  body { padding-bottom: 80px; }

  /* ── Header compact ─────────────────────────────────────────── */
  .header-top { padding: 10px 12px; gap: 8px; }
  .logo { width: 36px; height: 36px; border-radius: 10px; }
  .header-text h1 { font-size: 1.05rem; }
  .header-text p { font-size: 0.65rem; }
  .save-btn { padding: 5px 10px; font-size: 0.75rem; }
  .streak-badge { font-size: 0.75rem; padding: 3px 8px; }

  /* ── Main content padding ──────────────────────────────────── */
  main { padding: 14px 10px 32px; }

  /* ── Cards ─────────────────────────────────────────────────── */
  .card-header { padding: 12px 14px; }
  .card-title { font-size: 0.95rem; }
  .card-body { padding: 14px; }

  /* ── Home dashboard ────────────────────────────────────────── */
  .home-hero { flex-direction: column; gap: 12px; padding: 18px !important; }
  .home-hero-title { font-size: 1.25rem !important; }
  .home-hero-sub { font-size: 0.82rem !important; }
  .home-stats { gap: 10px; }
  .home-stat-num { font-size: 1.4rem !important; }
  .home-cards { grid-template-columns: 1fr !important; }
  .home-card { padding: 12px !important; }
  .home-card-title { font-size: 0.88rem; }
  .home-card-desc { font-size: 0.75rem; }

  /* ── Exercise card ─────────────────────────────────────────── */
  .exercise-card { padding: 18px !important; }
  .exercise-prompt { font-size: 1.15rem !important; }
  .exercise-input { font-size: 1rem; padding: 12px 14px; }
  .input-row { flex-direction: column; gap: 8px; }
  .input-row .btn { width: 100%; }
  .btn-row { gap: 8px; }
  .btn { padding: 12px 18px; font-size: 0.85rem; min-height: 48px; }
  .ex-mode-row { gap: 4px; flex-wrap: wrap; }
  .ex-mode-btn { font-size: 0.72rem; padding: 5px 10px; }
  .input-mode-row { gap: 4px; flex-wrap: wrap; }
  .filter-row { gap: 4px; flex-wrap: wrap; }
  .filter-btn { font-size: 0.72rem; padding: 4px 10px; }
  .ex-filter-bar { gap: 6px; }

  /* ── Feedback box ──────────────────────────────────────────── */
  .feedback-box { font-size: 0.85rem; padding: 12px; }

  /* ── Tables: horizontal scroll ─────────────────────────────── */
  .sentence-table,
  .edit-table,
  .ct-table,
  .cj-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* ── De/Het (A/An) card ────────────────────────────────────── */
  .dehet-noun { font-size: 1.8rem !important; }
  .dehet-btn { min-width: 80px; min-height: 52px; font-size: 1.1rem; }

  /* ── Vocab grid ────────────────────────────────────────────── */
  .vocab-grid { grid-template-columns: 1fr !important; }
  .vocab-search { font-size: 0.9rem; }

  /* ── Grammar ───────────────────────────────────────────────── */
  .grammar-rule-card { padding: 14px !important; }
  .grammar-slots { gap: 8px; }
  .grammar-slot { flex-direction: column; }
  .gt-topic-card { padding: 14px !important; }

  /* ── Verb conjugation table ────────────────────────────────── */
  .ct-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* ── Lesson plan ───────────────────────────────────────────── */
  .lp-session-header { flex-wrap: wrap; gap: 6px; }
  .lp-session-nav { gap: 4px; }
  .lp-nav-pill { font-size: 0.68rem; padding: 3px 8px; }
  .lp-topic-header { flex-wrap: wrap; gap: 6px; }
  .lp-topic-titles { min-width: 0; }
  .lp-subtopics { gap: 6px; }
  .lp-tag { font-size: 0.68rem; }
  .lp-goals { padding-left: 16px; }
  .lp-goal { font-size: 0.78rem; }
  .lp-unit-practice-btn, .lp-unit-continue-btn { font-size: 0.72rem; padding: 4px 10px; }

  /* ── Unit bar ──────────────────────────────────────────────── */
  .unit-bar { flex-wrap: wrap; padding: 8px 12px; gap: 6px; }
  .unit-bar-next-btn { font-size: 0.72rem; padding: 4px 10px; }

  /* ── Tense cards ───────────────────────────────────────────── */
  .tense-grid { grid-template-columns: 1fr !important; }
  .tense-card { padding: 14px !important; }

  /* ── Congrats panel ────────────────────────────────────────── */
  .congrats-panel { padding: 24px 16px !important; }
  .congrats-title { font-size: 1.35rem !important; }

  /* ── Toast above bottom nav ────────────────────────────────── */
  .toast { left: 10px; right: 10px; bottom: 90px; transform: none; max-width: none; font-size: 0.85rem; }

  /* ── Footer ────────────────────────────────────────────────── */
  footer { font-size: 0.75rem; padding: 14px; padding-bottom: 80px; }
}

/* ══════════════════════════════════════════════════════════════════
   POLISH: Micro-interactions & entrance animations
   ══════════════════════════════════════════════════════════════════ */

/* ── 1. Staggered entrance for home stats ───────────────────────── */
.home-stat {
  opacity: 0;
  animation: statReveal 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.home-stat:nth-child(1) { animation-delay: 0.1s; }
.home-stat:nth-child(3) { animation-delay: 0.2s; }
.home-stat:nth-child(5) { animation-delay: 0.3s; }
@keyframes statReveal {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 2. Smooth tab indicator transition ─────────────────────────── */
.tab-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  transform: translateX(-50%);
}
.tab-btn.active::after {
  width: 100%;
}
.tab-btn:hover::after {
  width: 60%;
  background: var(--primary-light);
}

/* ── 3. Feedback box slide-in ───────────────────────────────────── */
@keyframes feedbackReveal {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── 4. Card entrance on panel switch ───────────────────────────── */
.panel.active .card {
  opacity: 0;
  animation: cardReveal 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.panel.active .card:nth-child(2) { animation-delay: 0.08s; }
.panel.active .card:nth-child(3) { animation-delay: 0.16s; }
@keyframes cardReveal {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 7. Verb chip selector lift on hover ────────────────────────── */
.verb-choice-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-clay-hover);
}

/* ── 8. Exercise card focus-within glow ─────────────────────────── */
.exercise-card:has(.exercise-input:focus) {
  border-color: var(--primary-light);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.5), 0 0 0 3px rgba(225,29,72,0.06);
}