:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-2: #f2efe8;
  --text: #231f1a;
  --muted: #71695f;
  --border: #e1ddd6;
  --primary: #2563a8;
  --primary-2: #1c4f86;
  --green: #1f8a5b;
  --pink: #bf4a88;
  --gold: #b77913;
  --blue: #2563a8;
  --danger: #bf3b3b;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --shadow: 0 12px 30px rgba(24, 25, 28, 0.08);
}

.wplc3-app[data-theme="dark"] {
  --bg: #121212;
  --surface: #1c1c1d;
  --surface-2: #252526;
  --text: #f5efe6;
  --muted: #b9ada0;
  --border: #343434;
  --primary: #72a7ea;
  --primary-2: #92bdf3;
  --green: #5ccc93;
  --pink: #ef84bd;
  --gold: #f2c766;
  --blue: #72a7ea;
  --danger: #f28383;
  --shadow: 0 12px 30px rgba(0,0,0,.28);
}

.wplc3-app{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);padding:18px;border-radius:24px}
.wplc3-app *{box-sizing:border-box}
.wplc3-hero,.wplc3-stat-card,.wplc3-panel,.wplc3-modal-box,.wplc3-control-card,.wplc3-lesson-card,.wplc3-exercise-card,.wplc3-word-card,.wplc3-review-card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow)}
.wplc3-section{background:transparent;border:none;box-shadow:none}
.wplc3-hero{display:grid;grid-template-columns:1.4fr 1fr;gap:18px;padding:22px;border-radius:var(--radius-lg);margin-bottom:18px;background:linear-gradient(135deg,var(--surface),var(--surface-2))}
.wplc3-kicker{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--primary);font-weight:800;margin-bottom:8px}
.wplc3-title{font-size:clamp(1.5rem,4vw,2.6rem);line-height:1.08;margin:0}.wplc3-title span{display:block}.wplc3-title span+span{font-size:.72em;color:var(--muted);margin-top:6px}
.wplc3-chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.wplc3-chip{padding:8px 12px;border-radius:999px;font-size:.8rem;font-weight:700}
.chip-fr{background:#ffe0ec;color:#9a2f64}.chip-en{background:#dceaff;color:#1e4d8a}.chip-th{background:#fff1cb;color:#9c6300}.chip-mobile{background:#ddf7ec;color:#166c4a}
.wplc3-hero-actions{display:grid;gap:12px;align-content:start}
.wplc3-control-card{padding:10px 12px;border-radius:14px}
.wplc3-control-label{display:block;font-size:.78rem;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px}
.wplc3-select,.wplc3-search{width:100%;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:12px;padding:12px 14px;font-size:1rem}
.wplc3-btn,.wplc3-mini-btn,.wplc3-tab,.wplc3-audio-btn,.wplc3-answer-btn{border:0;cursor:pointer}
.wplc3-btn{min-height:48px;padding:12px 16px;border-radius:14px;background:var(--primary);color:#fff;font-weight:700}
.wplc3-btn-soft{background:var(--surface-2);color:var(--text)}
.wplc3-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.wplc3-stat-card{padding:18px;border-radius:20px;min-height:160px}
.wplc3-stat-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:800;margin-bottom:10px}
.wplc3-stat-main{font-size:1.45rem;font-weight:800;line-height:1.15;margin-bottom:8px}
.wplc3-stat-sub{font-size:.92rem;color:var(--muted)}
.wplc3-progress{height:10px;background:var(--surface-2);border-radius:999px;overflow:hidden;margin:10px 0 8px}.wplc3-progress span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--pink));width:0;transition:width .3s ease}
.wplc3-mini-list{display:grid;gap:8px;font-size:.95rem}
.wplc3-inline-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.wplc3-mini-btn{padding:10px 12px;border-radius:12px;background:var(--primary);color:#fff;font-weight:700}.wplc3-mini-btn.ghost{background:var(--surface-2);color:var(--text)}
.wplc3-tabs{display:flex;gap:8px;overflow:auto;padding-bottom:8px;margin:0 0 16px}.wplc3-tab{white-space:nowrap;padding:12px 16px;border-radius:999px;background:var(--surface-2);color:var(--text);font-weight:700}.wplc3-tab.is-active{background:var(--primary);color:#fff}
.wplc3-panel{display:none;padding:4px;border-radius:12px;background:transparent;border:none;box-shadow:none}.wplc3-panel.is-active{display:block}
.wplc3-toolbar{margin-bottom:16px}
.wplc3-section{border-radius:18px;padding:14px;margin-bottom:14px}
.wplc3-section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.wplc3-section-title-wrap{display:flex;align-items:center;gap:12px}.wplc3-section-icon{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.45rem;background:var(--surface-2)}
.wplc3-section-title{margin:0;font-size:1.2rem}.wplc3-section-sub{margin:4px 0 0;color:var(--muted);font-size:.92rem}
.wplc3-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.wplc3-word-card,.wplc3-review-card{border-radius:18px;padding:14px;position:relative}
.wplc3-word-top{display:flex;justify-content:space-between;gap:8px;align-items:flex-start;margin-bottom:10px}
.wplc3-word-main{font-weight:800;font-size:1.05rem;line-height:1.2}.wplc3-word-fr{color:var(--muted);font-style:italic;margin-top:4px}.wplc3-word-th{margin-top:6px;font-weight:700}.wplc3-word-thr{font-size:.85rem;color:var(--muted);margin-top:2px}
.wplc3-context{margin-top:10px;font-size:.8rem;color:var(--muted);background:var(--surface-2);display:inline-block;padding:6px 10px;border-radius:999px}
.wplc3-audio-group{display:flex;gap:6px;flex-wrap:wrap}.wplc3-audio-btn{padding:8px 10px;border-radius:10px;background:var(--surface-2);font-size:.78rem;font-weight:800;color:var(--text)}
.wplc3-fav{position:absolute;right:12px;bottom:12px;background:none;border:0;font-size:1.1rem;cursor:pointer}
.wplc3-lessons-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}
.wplc3-lesson-card{padding:16px;border-radius:20px;position:relative}.wplc3-lesson-card h3{margin:8px 0 6px;font-size:1.1rem}.wplc3-lesson-card p{margin:0;color:var(--muted);font-size:.95rem}
.wplc3-lesson-badge{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:.76rem;font-weight:800;background:var(--surface-2);margin-bottom:8px}
.wplc3-lesson-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.wplc3-hidden{display:none!important}
.wplc3-detail-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;flex-wrap:wrap;margin-bottom:14px}
.wplc3-detail-title{font-size:1.5rem;margin:0}.wplc3-detail-meta{color:var(--muted);margin-top:6px}
.wplc3-subtabs{display:flex;gap:8px;overflow:auto;margin:16px 0}.wplc3-subtab{padding:10px 14px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);font-weight:700;color:var(--text)}.wplc3-subtab.is-active{background:var(--primary);color:#fff;border-color:var(--primary)}
.wplc3-subpanel{display:none}.wplc3-subpanel.is-active{display:block}
.wplc3-exercise-card{padding:16px;border-radius:20px}.wplc3-ex-title{font-size:1.18rem;font-weight:800;line-height:1.3;margin-bottom:12px}.wplc3-ex-help{color:var(--muted);font-size:.94rem;margin-bottom:12px}
.wplc3-answer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.wplc3-answer-btn{padding:14px;border-radius:14px;background:var(--surface-2);text-align:left;font-weight:700;color:var(--text)}
.wplc3-answer-btn.correct{background:#daf3e4;color:#0e6a42}.wplc3-answer-btn.wrong{background:#ffe2e2;color:#a43333}
.wplc3-feedback{min-height:24px;margin:12px 0;font-weight:700}.wplc3-lesson-score{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.wplc3-vocab-list{display:grid;gap:10px}
.wplc3-vocab-item{border:1px solid var(--border);border-radius:16px;padding:14px;background:var(--surface-2)}
.wplc3-modal{position:fixed;inset:0;background:rgba(0,0,0,.45);padding:16px;z-index:999;overflow:auto}.wplc3-modal-box{max-width:720px;margin:30px auto;background:var(--surface);border-radius:24px;padding:20px;position:relative}
.wplc3-close{position:absolute;top:12px;right:12px;width:38px;height:38px;border-radius:999px;background:var(--surface-2);border:0;font-size:1.2rem;cursor:pointer;color:var(--text)}
.wplc3-result{padding:20px;text-align:center}.wplc3-result h3{margin:0 0 8px;font-size:1.5rem}.wplc3-result p{margin:0;color:var(--muted)}
.accent-blue{border-top:4px solid var(--blue)}.accent-pink{border-top:4px solid var(--pink)}.accent-gold{border-top:4px solid var(--gold)}.accent-green{border-top:4px solid var(--green)}

@media (max-width: 980px){
  .wplc3-hero{grid-template-columns:1fr}
  .wplc3-stats{grid-template-columns:1fr 1fr}
}
@media (max-width: 640px){
  .wplc3-app{padding:10px;border-radius:16px}
  .wplc3-hero,.wplc3-stat-card,.wplc3-exercise-card{padding:12px;border-radius:16px}
  .wplc3-panel{padding:4px;border-radius:0}
  .wplc3-section{padding:12px;border-radius:16px}
  .wplc3-title{font-size:1.9rem}
  .wplc3-stats{grid-template-columns:1fr}
  .wplc3-grid,.wplc3-lessons-grid,.wplc3-answer-grid{grid-template-columns:1fr}
  .wplc3-btn,.wplc3-mini-btn,.wplc3-tab,.wplc3-subtab,.wplc3-answer-btn,.wplc3-select,.wplc3-search{min-height:46px}
  .wplc3-word-card,.wplc3-review-card,.wplc3-vocab-item{padding:12px}
  .wplc3-word-top{grid-template-columns:1fr}
  .wplc3-audio-group{width:100%}
  .wplc3-audio-btn{flex:1}
  .wplc3-card-actions{align-items:stretch}
  .wplc3-card-actions-left{width:100%}
  .wplc3-review-add{width:100%;justify-content:center}
}

.wplc3-chip.is-current{outline:2px solid var(--text);outline-offset:2px;transform:translateY(-1px)}
.wplc3-chip.is-learning{box-shadow:inset 0 0 0 2px rgba(255,255,255,.7),0 0 0 2px rgba(0,0,0,.06)}
.wplc3-lang-tag{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:26px;padding:0 8px;border-radius:999px;font-size:.72rem;font-weight:800;margin-right:6px}.wplc3-learner-note{font-size:.82rem;color:var(--muted);font-weight:700}
.wplc3-lang-fr{background:#ffe0ec;color:#9a2f64}.wplc3-lang-en{background:#dceaff;color:#1e4d8a}.wplc3-lang-th{background:#fff1cb;color:#9c6300}

.wplc3-card-actions{display:flex;align-items:center;justify-content:flex-start;gap:10px;flex-wrap:wrap;margin-top:14px}.wplc3-card-actions-left{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.wplc3-review-add{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:var(--surface-2);font-size:.85rem;font-weight:700;cursor:pointer;color:var(--text)}.wplc3-review-add.is-on{background:#e8f1ff;border-color:#9cbcf3;color:#1e4d8a}.wplc3-review-icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:999px;background:#dceaff;color:#1e4d8a;font-size:.9rem;font-weight:800}
.wplc3-quick-translate{display:grid;grid-template-columns:1fr auto;gap:10px;margin:0 0 14px}.wplc3-translate-result{grid-column:1/-1;padding:10px 12px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border);min-height:44px;color:var(--text)}