/* ═══════════════════════════════════════════════════════════════════════════
   LGG Vocab Game — Front-End Styles
   Author: Subhendu Sahu | lggclass.com
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
  --lgg-primary:    #6366f1;
  --lgg-primary-d:  #4f46e5;
  --lgg-success:    #22c55e;
  --lgg-danger:     #ef4444;
  --lgg-warning:    #f59e0b;
  --lgg-surface:    #ffffff;
  --lgg-bg:         #f8fafc;
  --lgg-border:     #e2e8f0;
  --lgg-text:       #1e293b;
  --lgg-muted:      #64748b;
  --lgg-radius:     10px;
  --lgg-shadow:     0 2px 12px rgba(0,0,0,0.08);
}

/* ── Wrapper ─────────────────────────────────────────────────────────────── */
.lgg-vocab-wrap { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: var(--lgg-text); max-width: 860px; margin: 0 auto; padding: 0 12px 40px; }

/* ── Hidden ──────────────────────────────────────────────────────────────── */
.lgg-hidden { display: none !important; }

/* ── Top Bar ─────────────────────────────────────────────────────────────── */
.lgg-topbar { background: var(--lgg-primary); border-radius: var(--lgg-radius); padding: 12px 16px; margin-bottom: 20px; color: #fff; }
.lgg-chapter-label { font-weight: 700; font-size: 1rem; margin-bottom: 10px; }
.lgg-steps-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.lgg-steps { display: flex; gap: 6px; min-width: max-content; }
.lgg-step { background: rgba(255,255,255,0.15); border: none; color: #fff; border-radius: 6px; padding: 5px 11px; font-size: 0.78rem; cursor: pointer; white-space: nowrap; transition: background 0.2s; }
.lgg-step:hover { background: rgba(255,255,255,0.28); }
.lgg-step.active { background: #fff; color: var(--lgg-primary); font-weight: 700; }
.lgg-step.done { background: rgba(34,197,94,0.35); }

/* ── Panel ───────────────────────────────────────────────────────────────── */
.lgg-panel { background: var(--lgg-surface); border-radius: var(--lgg-radius); padding: 24px; box-shadow: var(--lgg-shadow); }
.lgg-panel-header { margin-bottom: 20px; }
.lgg-panel-header h2 { margin: 0 0 6px; font-size: 1.3rem; }
.lgg-panel-header p { margin: 0; color: var(--lgg-muted); font-size: 0.93rem; }
.lgg-score-bar { display: inline-block; background: #ede9fe; color: var(--lgg-primary); border-radius: 20px; padding: 3px 14px; font-size: 0.85rem; font-weight: 600; margin-top: 10px; }

/* ── Panel Footer ────────────────────────────────────────────────────────── */
.lgg-panel-footer { display: flex; gap: 10px; align-items: center; margin-top: 24px; flex-wrap: wrap; }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.lgg-btn { background: var(--lgg-primary); color: #fff; border: none; border-radius: 7px; padding: 9px 20px; font-size: 0.92rem; font-weight: 600; cursor: pointer; transition: background 0.18s, transform 0.1s; }
.lgg-btn:hover { background: var(--lgg-primary-d); transform: translateY(-1px); }
.lgg-btn-secondary { background: transparent; color: var(--lgg-primary); border: 2px solid var(--lgg-primary); border-radius: 7px; padding: 8px 18px; font-size: 0.92rem; font-weight: 600; cursor: pointer; transition: all 0.18s; }
.lgg-btn-secondary:hover { background: #ede9fe; }

/* ── Chapter Grid (list shortcode) ──────────────────────────────────────── */
.lgg-section-title { font-size: 1.4rem; margin-bottom: 16px; }
.lgg-chapter-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 18px; }
.lgg-chapter-card { background: var(--lgg-surface); border: 1px solid var(--lgg-border); border-radius: var(--lgg-radius); padding: 20px; box-shadow: var(--lgg-shadow); transition: transform 0.18s, box-shadow 0.18s; }
.lgg-chapter-card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,0.12); }
.lgg-chapter-num { width: 34px; height: 34px; background: var(--lgg-primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; margin-bottom: 10px; }
.lgg-chapter-card h3 { margin: 0 0 4px; font-size: 1rem; }
.lgg-topic { color: var(--lgg-primary); font-size: 0.82rem; font-weight: 600; margin: 0 0 6px; }
.lgg-desc { color: var(--lgg-muted); font-size: 0.85rem; margin: 0 0 14px; }

/* ── Roots Grid ──────────────────────────────────────────────────────────── */
.lgg-roots-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: 14px; }
.lgg-root-card { background: #ede9fe; border-radius: var(--lgg-radius); padding: 16px; text-align: center; border: 1px solid #c4b5fd; }
.lgg-root-name { font-size: 1.4rem; font-weight: 800; color: var(--lgg-primary-d); letter-spacing: 1px; }
.lgg-root-origin { font-size: 0.72rem; color: var(--lgg-muted); text-transform: uppercase; letter-spacing: 1px; margin: 3px 0; }
.lgg-root-meaning { font-size: 0.88rem; color: var(--lgg-text); font-weight: 500; }

/* ── Word Cards ──────────────────────────────────────────────────────────── */
.lgg-words-list { display: flex; flex-direction: column; gap: 12px; }
.lgg-word-card { border: 1px solid var(--lgg-border); border-radius: var(--lgg-radius); overflow: hidden; }
.lgg-word-front { display: flex; align-items: center; gap: 14px; padding: 14px 16px; flex-wrap: wrap; }
.lgg-word-num { width: 28px; height: 28px; background: var(--lgg-primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.82rem; flex-shrink: 0; }
.lgg-word-main { flex: 1; }
.lgg-word-term { font-size: 1.1rem; font-weight: 700; font-style: italic; margin-right: 8px; }
.lgg-word-pos { font-size: 0.75rem; color: var(--lgg-muted); background: #f1f5f9; border-radius: 4px; padding: 2px 7px; }
.lgg-word-pron { display: flex; align-items: center; gap: 8px; }
.lgg-pron-text { font-family: Georgia, serif; font-size: 0.88rem; color: var(--lgg-muted); }
.lgg-tts-btn { background: none; border: 1px solid var(--lgg-border); border-radius: 5px; cursor: pointer; padding: 3px 7px; font-size: 1rem; transition: background 0.15s; }
.lgg-tts-btn:hover { background: #f1f5f9; }
.lgg-reveal-btn { width: 100%; background: #f8fafc; border: none; border-top: 1px solid var(--lgg-border); color: var(--lgg-primary); font-size: 0.82rem; font-weight: 600; padding: 7px; cursor: pointer; transition: background 0.15s; }
.lgg-reveal-btn:hover { background: #ede9fe; }
.lgg-word-back { padding: 14px 16px; background: #fafafe; border-top: 1px solid var(--lgg-border); }
.lgg-definition { margin: 0 0 6px; font-size: 0.95rem; line-height: 1.5; }
.lgg-etymology { margin: 0; color: var(--lgg-muted); font-size: 0.82rem; }

/* ── Matching ────────────────────────────────────────────────────────────── */
.lgg-match-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.lgg-match-cols h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 1px; color: var(--lgg-muted); margin: 0 0 10px; }
.lgg-match-word, .lgg-match-def {
  background: #f8fafc; border: 2px solid var(--lgg-border); border-radius: 8px;
  padding: 10px 14px; margin-bottom: 8px; cursor: pointer; font-size: 0.92rem;
  transition: all 0.18s; user-select: none;
}
.lgg-match-word:hover, .lgg-match-def:hover { border-color: var(--lgg-primary); background: #ede9fe; }
.lgg-match-word.selected { border-color: var(--lgg-primary); background: #ede9fe; font-weight: 600; }
.lgg-match-def.selected { border-color: var(--lgg-primary); background: #ede9fe; }
.lgg-match-word.correct, .lgg-match-def.correct { border-color: var(--lgg-success); background: #dcfce7; color: #15803d; pointer-events: none; }
.lgg-match-word.wrong, .lgg-match-def.wrong { border-color: var(--lgg-danger); background: #fee2e2; color: #b91c1c; animation: lgg-shake 0.4s; }
@keyframes lgg-shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-5px)} 75%{transform:translateX(5px)} }

/* ── Yes/No & True/False ─────────────────────────────────────────────────── */
.lgg-yn-list { display: flex; flex-direction: column; gap: 14px; }
.lgg-yn-row { background: #f8fafc; border: 1px solid var(--lgg-border); border-radius: 8px; padding: 14px 16px; }
.lgg-q-line { display: flex; gap: 8px; margin-bottom: 10px; align-items: flex-start; }
.lgg-q-num { font-weight: 700; color: var(--lgg-primary); flex-shrink: 0; }
.lgg-q-text { font-size: 0.95rem; line-height: 1.5; }
.lgg-yn-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.lgg-yn-btn { border: 2px solid var(--lgg-border); background: #fff; border-radius: 7px; padding: 7px 18px; font-size: 0.88rem; font-weight: 600; cursor: pointer; transition: all 0.15s; }
.lgg-yn-btn:hover { border-color: var(--lgg-primary); background: #ede9fe; }
.lgg-yn-btn.selected { border-color: var(--lgg-primary); background: #ede9fe; color: var(--lgg-primary); }
.lgg-yn-btn.correct { border-color: var(--lgg-success); background: #dcfce7; color: #15803d; }
.lgg-yn-btn.wrong   { border-color: var(--lgg-danger);  background: #fee2e2; color: #b91c1c; }
.lgg-yn-feedback { margin-top: 8px; font-size: 0.85rem; font-weight: 600; padding: 5px 10px; border-radius: 5px; }
.lgg-yn-feedback.correct { background: #dcfce7; color: #15803d; }
.lgg-yn-feedback.wrong   { background: #fee2e2; color: #b91c1c; }

/* ── Fill in the Blank ───────────────────────────────────────────────────── */
.lgg-fill-list { display: flex; flex-direction: column; gap: 14px; }
.lgg-fill-row { background: #f8fafc; border: 1px solid var(--lgg-border); border-radius: 8px; padding: 14px 16px; }
.lgg-hint-label { font-size: 0.82rem; color: var(--lgg-primary); font-weight: 600; margin: 6px 0; background: #ede9fe; display: inline-block; padding: 3px 10px; border-radius: 4px; }
.lgg-fill-input-row { display: flex; gap: 8px; margin-top: 8px; align-items: center; flex-wrap: wrap; }
.lgg-fill-input { border: 2px solid var(--lgg-border); border-radius: 7px; padding: 8px 12px; font-size: 0.95rem; flex: 1; min-width: 160px; outline: none; transition: border-color 0.15s; }
.lgg-fill-input:focus { border-color: var(--lgg-primary); }
.lgg-fill-input.correct { border-color: var(--lgg-success); background: #f0fdf4; }
.lgg-fill-input.wrong   { border-color: var(--lgg-danger);  background: #fff1f2; }
.lgg-check-btn { background: var(--lgg-primary); color: #fff; border: none; border-radius: 7px; padding: 8px 16px; font-size: 0.88rem; font-weight: 600; cursor: pointer; white-space: nowrap; }
.lgg-check-btn:hover { background: var(--lgg-primary-d); }
.lgg-fill-feedback { margin-top: 8px; font-size: 0.85rem; padding: 5px 10px; border-radius: 5px; font-weight: 600; }
.lgg-fill-feedback.correct { background: #dcfce7; color: #15803d; }
.lgg-fill-feedback.wrong   { background: #fee2e2; color: #b91c1c; }

/* ── MCQ ─────────────────────────────────────────────────────────────────── */
#mcq-container { display: flex; flex-direction: column; gap: 16px; }
.lgg-mcq-card { border: 1px solid var(--lgg-border); border-radius: 8px; padding: 16px; }
.lgg-mcq-card .lgg-q-num { font-size: 0.78rem; text-transform: uppercase; color: var(--lgg-muted); letter-spacing: 1px; margin: 0 0 4px; }
.lgg-mcq-card .lgg-q-text { font-size: 0.98rem; font-weight: 600; margin: 0 0 12px; line-height: 1.5; }
.lgg-mcq-options { display: flex; flex-direction: column; gap: 8px; }
.lgg-opt { text-align: left; background: #f8fafc; border: 2px solid var(--lgg-border); border-radius: 7px; padding: 9px 14px; font-size: 0.92rem; cursor: pointer; transition: all 0.15s; }
.lgg-opt:hover:not(:disabled) { border-color: var(--lgg-primary); background: #ede9fe; }
.lgg-opt.correct  { border-color: var(--lgg-success); background: #dcfce7; color: #15803d; font-weight: 600; }
.lgg-opt.wrong    { border-color: var(--lgg-danger);  background: #fee2e2; color: #b91c1c; }
.lgg-opt:disabled { cursor: default; }
.lgg-feedback { margin-top: 10px; font-size: 0.85rem; padding: 6px 12px; border-radius: 5px; line-height: 1.4; }
.lgg-feedback.correct { background: #dcfce7; color: #15803d; }
.lgg-feedback.wrong   { background: #fee2e2; color: #b91c1c; }

/* ── Results ─────────────────────────────────────────────────────────────── */
.lgg-results-body { display: flex; flex-direction: column; align-items: center; gap: 24px; padding: 10px 0; }
.lgg-results-ring { position: relative; display: flex; align-items: center; justify-content: center; }
.lgg-results-pct { position: absolute; font-size: 1.6rem; font-weight: 800; color: var(--lgg-primary); }
.lgg-results-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 12px; width: 100%; }
.lgg-result-row { background: #f8fafc; border: 1px solid var(--lgg-border); border-radius: 8px; padding: 12px 14px; }
.lgg-result-label { font-size: 0.82rem; color: var(--lgg-muted); margin-bottom: 4px; }
.lgg-result-score { font-size: 1.1rem; font-weight: 700; }
.lgg-result-bar { height: 6px; background: #e5e7eb; border-radius: 3px; margin-top: 6px; }
.lgg-result-bar-fill { height: 100%; border-radius: 3px; transition: width 0.8s ease; }
.lgg-badge-row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.lgg-badge { font-size: 2rem; text-align: center; }
.lgg-badge span { display: block; font-size: 0.78rem; color: var(--lgg-muted); margin-top: 2px; }

/* ── My Progress ─────────────────────────────────────────────────────────── */
.lgg-progress-wrap { max-width: 720px; margin: 0 auto; }
.lgg-progress-card { background: var(--lgg-surface); border: 1px solid var(--lgg-border); border-radius: var(--lgg-radius); padding: 20px; margin-bottom: 20px; box-shadow: var(--lgg-shadow); }
.lgg-progress-card h3 { margin: 0 0 14px; font-size: 1.1rem; }
.lgg-progress-sections { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.lgg-sec-row { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; padding: 6px 0; border-bottom: 1px solid var(--lgg-border); flex-wrap: wrap; }
.lgg-sec-label { min-width: 150px; font-weight: 600; }
.lgg-sec-score { min-width: 50px; color: var(--lgg-muted); }
.lgg-sec-bar { flex: 1; height: 8px; background: #e5e7eb; border-radius: 4px; min-width: 80px; overflow: hidden; }
.lgg-sec-bar div { height: 100%; border-radius: 4px; }
.lgg-sec-great .lgg-sec-bar div { background: var(--lgg-success); }
.lgg-sec-ok    .lgg-sec-bar div { background: var(--lgg-warning); }
.lgg-sec-retry .lgg-sec-bar div { background: var(--lgg-danger); }
.lgg-sec-todo  .lgg-sec-bar { display: none; }
.lgg-sec-pct { min-width: 36px; text-align: right; font-weight: 700; }
.lgg-sec-todo-txt { color: var(--lgg-muted); font-style: italic; }

/* ── Notice / Error ──────────────────────────────────────────────────────── */
.lgg-notice, .lgg-error { padding: 12px 16px; border-radius: 7px; font-size: 0.92rem; }
.lgg-notice { background: #ede9fe; color: var(--lgg-primary); }
.lgg-error  { background: #fee2e2; color: #b91c1c; }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .lgg-match-cols { grid-template-columns: 1fr; }
  .lgg-panel { padding: 16px; }
  .lgg-roots-grid { grid-template-columns: repeat(2, 1fr); }
  .lgg-results-grid { grid-template-columns: 1fr 1fr; }
}