/* ═══════════════════════════════════════
   NIHONGO MASTER QUIZ v5.0 — Complete Rebuild
   Matches actual JS classes · PC + Mobile
   ═══════════════════════════════════════ */

#nmq-app {
    --bg: #0f0f1a;
    --card: #1a1a2e;
    --card2: #222240;
    --primary: #e94560;
    --primary2: #ff6b85;
    --glow: rgba(233,69,96,0.35);
    --gold: #ffd700;
    --success: #00c851;
    --error: #ff4444;
    --text: #eaeaea;
    --dim: #8892a4;
    --border: rgba(255,255,255,0.08);
    --radius: 18px;
    --radius-sm: 12px;

    font-family: 'Noto Sans', system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: var(--bg);
    border-radius: var(--radius);
    max-width: 900px;
    width: 100%;
    margin: 24px auto;
    box-shadow: 0 16px 56px rgba(0,0,0,0.4);
    position: relative;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
}
#nmq-app *, #nmq-app *::before, #nmq-app *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── SCREEN ─── */
#nmq-app .nmq-screen { display: none; padding: 48px 48px 80px; min-height: 560px; }
#nmq-app .nmq-screen.active { display: flex; flex-direction: column; }

/* ─── LANG SCREEN ─── */
#nmq-app .nmq-lang-screen { align-items: center; text-align: center; }
#nmq-app .nmq-logo-area { margin-bottom: 28px; }
#nmq-app .nmq-logo-kanji {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 58px; font-weight: 900;
    color: var(--primary);
    letter-spacing: 3px;
    text-shadow: 0 0 40px var(--glow);
    line-height: 1.2;
}
#nmq-app .nmq-logo-sub {
    font-size: 16px; color: var(--dim);
    letter-spacing: 6px; text-transform: uppercase;
    margin: 8px 0 14px; font-weight: 600;
}
#nmq-app .nmq-level-badge {
    display: inline-block;
    padding: 8px 26px;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    border-radius: 24px;
    font-weight: 800; font-size: 17px; letter-spacing: 2px;
    color: #fff;
    box-shadow: 0 4px 18px var(--glow);
}
#nmq-app .nmq-lang-title {
    font-size: 19px; color: var(--dim);
    margin: 8px 0 28px; font-weight: 600;
}
#nmq-app .nmq-lang-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    width: 100%;
    max-width: 820px;
    margin-bottom: 32px;
}
#nmq-app .nmq-lang-btn {
    display: flex; align-items: center; gap: 12px;
    padding: 16px 20px;
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text); cursor: pointer;
    transition: all 0.2s; font-size: 15px; font-weight: 600;
    text-align: left;
}
#nmq-app .nmq-lang-btn .flag { font-size: 26px; flex-shrink: 0; }
#nmq-app .nmq-lang-btn:hover {
    background: var(--card2);
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px var(--glow);
}
#nmq-app .nmq-lang-btn.selected {
    border-color: var(--primary);
    background: rgba(233,69,96,0.12);
}

/* ─── START BTN ─── */
#nmq-app .nmq-start-btn {
    display: block;
    width: 100%;
    max-width: 420px;
    margin: 8px auto 0;
    padding: 20px 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    border: none; border-radius: var(--radius);
    color: #fff; font-size: 20px; font-weight: 800;
    letter-spacing: 3px; cursor: pointer;
    box-shadow: 0 8px 28px var(--glow);
    transition: all 0.2s;
}
#nmq-app .nmq-start-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 36px var(--glow); }

/* ─── MENU SCREEN ─── */
#nmq-app .nmq-menu-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: 28px; gap: 16px;
}
#nmq-app .nmq-menu-lang-switch {
    padding: 10px 18px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text); cursor: pointer;
    font-size: 14px; font-weight: 600;
    white-space: nowrap;
    transition: all 0.2s;
}
#nmq-app .nmq-menu-lang-switch:hover { border-color: var(--primary); }

#nmq-app .nmq-category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 24px;
}
#nmq-app .nmq-cat-btn {
    display: flex; flex-direction: column; align-items: center;
    gap: 6px; padding: 22px 16px;
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text); cursor: pointer;
    transition: all 0.2s; text-align: center;
    font-size: 16px; font-weight: 700;
}
#nmq-app .nmq-cat-btn .cat-emoji { font-size: 30px; }
#nmq-app .nmq-cat-btn .cat-count { font-size: 13px; color: var(--dim); font-weight: 400; }
#nmq-app .nmq-cat-btn:hover { background: var(--card2); border-color: var(--primary); transform: translateY(-2px); }
#nmq-app .nmq-cat-btn.selected {
    border-color: var(--primary);
    background: rgba(233,69,96,0.1);
    box-shadow: 0 4px 18px var(--glow);
}

/* ─── SETTINGS ─── */
#nmq-app .nmq-settings-row { display: flex; gap: 14px; margin-bottom: 16px; flex-wrap: wrap; }
#nmq-app .nmq-setting {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 20px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    flex: 1; min-width: 200px;
}
#nmq-app .nmq-setting label { font-size: 14px; color: var(--dim); white-space: nowrap; }
#nmq-app .nmq-setting select {
    flex: 1; background: transparent; border: none;
    color: var(--text); font-size: 15px; font-weight: 700;
    cursor: pointer; outline: none;
}
#nmq-app .nmq-setting select option { background: var(--card); color: var(--text); }

/* ─── QUIZ SCREEN ─── */
#nmq-app .nmq-quiz-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 16px; gap: 12px; flex-wrap: wrap;
}
#nmq-app .nmq-game-back-btn {
    background: transparent;
    color: var(--dim);
    border: 1px solid var(--border);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}
#nmq-app .nmq-game-back-btn:hover {
    background: var(--card);
    color: var(--text);
    border-color: var(--primary);
}
@media (max-width: 600px) {
    #nmq-app .nmq-game-back-btn {
        padding: 6px 10px;
        font-size: 12px;
    }
}
#nmq-app .nmq-stat-pills { display: flex; gap: 12px; }
#nmq-app .nmq-pill {
    background: var(--card);
    padding: 8px 18px; border-radius: 20px;
    font-size: 16px; font-weight: 700;
    border: 1px solid var(--border);
}
#nmq-app .nmq-pill .pill-val { color: var(--gold); }
#nmq-app .nmq-streak .pill-val { color: var(--primary); }
#nmq-app .nmq-timer-display {
    background: var(--card);
    padding: 8px 18px; border-radius: 20px;
    font-size: 16px; font-weight: 700; color: var(--dim);
    border: 1px solid var(--border);
}
#nmq-app .nmq-timer-danger { color: var(--error) !important; animation: nmq-pulse 0.5s infinite; }

#nmq-app .nmq-progress-bar {
    width: 100%; height: 8px;
    background: var(--card);
    border-radius: 4px; overflow: hidden;
    margin-bottom: 28px;
}
#nmq-app .nmq-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--gold));
    border-radius: 4px; transition: width 0.4s;
}

#nmq-app .nmq-question-card {
    background: linear-gradient(145deg, var(--card), #2a2e50);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px 32px; text-align: center;
    margin-bottom: 28px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
#nmq-app .nmq-question-num {
    color: var(--dim); font-size: 14px;
    letter-spacing: 3px; text-transform: uppercase;
    margin-bottom: 18px; font-weight: 700;
}
#nmq-app .nmq-question-jp {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 84px; font-weight: 900;
    line-height: 1.1; margin-bottom: 14px;
    text-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
#nmq-app .nmq-question-reading {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 26px; color: var(--primary); margin-bottom: 12px;
}
#nmq-app .nmq-question-cat {
    font-size: 14px; color: var(--dim);
    background: rgba(255,255,255,0.05);
    padding: 5px 16px; border-radius: 14px;
    display: inline-block;
}

#nmq-app .nmq-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
#nmq-app .nmq-option {
    padding: 24px 20px;
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text); cursor: pointer;
    font-size: 18px; font-weight: 600;
    transition: all 0.2s; text-align: center;
    min-height: 72px;
    display: flex; align-items: center; justify-content: center;
}
#nmq-app .nmq-option:hover:not(.disabled) {
    background: var(--card2);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--glow);
}
#nmq-app .nmq-option.correct {
    background: rgba(0,200,81,0.2);
    border-color: var(--success);
    color: var(--success);
    animation: nmq-bounce 0.4s;
}
#nmq-app .nmq-option.wrong {
    background: rgba(255,68,68,0.2);
    border-color: var(--error);
    color: var(--error);
    animation: nmq-shake 0.4s;
}
#nmq-app .nmq-option.disabled { cursor: default; opacity: 0.85; }

/* ─── RESULT SCREEN ─── */
#nmq-app .nmq-result-screen { align-items: center; text-align: center; }
#nmq-app .nmq-result-circle {
    position: relative;
    width: 180px; height: 180px;
    margin: 24px 0;
}
#nmq-app .nmq-result-circle svg { width: 100%; height: 100%; transform: rotate(-90deg); }
#nmq-app .nmq-result-circle .circle-bg {
    fill: none; stroke: var(--card); stroke-width: 12;
}
#nmq-app .nmq-result-circle .circle-fill {
    fill: none; stroke-width: 12; stroke-linecap: round;
    stroke-dasharray: 502;
    transition: stroke-dashoffset 1s ease;
}
#nmq-app .nmq-result-pct {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 52px; font-weight: 900;
}
#nmq-app .nmq-result-pct span { font-size: 26px; color: var(--dim); }
#nmq-app .nmq-result-grade {
    font-size: 32px; font-weight: 900; margin: 12px 0 24px;
}
#nmq-app .nmq-result-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px; width: 100%; max-width: 560px;
    margin-bottom: 14px;
}
#nmq-app .nmq-result-stat {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px 12px;
}
#nmq-app .nmq-result-stat .stat-val { font-size: 30px; font-weight: 900; margin-bottom: 4px; }
#nmq-app .nmq-result-stat .stat-label { font-size: 13px; color: var(--dim); }

#nmq-app .nmq-result-btns {
    display: flex; gap: 16px; justify-content: center;
    margin-top: 24px; flex-wrap: wrap;
}
#nmq-app .nmq-btn {
    padding: 16px 40px;
    border-radius: var(--radius-sm);
    border: none; cursor: pointer;
    font-size: 16px; font-weight: 700;
    transition: all 0.2s;
}
#nmq-app .nmq-btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    color: #fff;
}
#nmq-app .nmq-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px var(--glow); }
#nmq-app .nmq-btn-secondary {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
}
#nmq-app .nmq-btn-secondary:hover { border-color: var(--primary); }

/* ─── STREAK POPUP ─── */
#nmq-app .nmq-streak-popup {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 32px; font-weight: 900;
    color: var(--gold); pointer-events: none;
    animation: nmq-streakPop 1s ease forwards;
    z-index: 100;
}

/* ─── FONTS ─── */
#nmq-app.nmq-font-bn, #nmq-app.nmq-font-bn * { font-family: 'Noto Sans Bengali', 'Noto Sans', sans-serif; }
#nmq-app.nmq-font-si, #nmq-app.nmq-font-si * { font-family: 'Noto Sans Sinhala', 'Noto Sans', sans-serif; }
#nmq-app.nmq-font-my, #nmq-app.nmq-font-my * { font-family: 'Noto Sans Myanmar', 'Noto Sans', sans-serif; }
#nmq-app.nmq-font-km, #nmq-app.nmq-font-km * { font-family: 'Noto Sans Khmer', 'Noto Sans', sans-serif; }
#nmq-app.nmq-font-mn, #nmq-app.nmq-font-mn * { font-family: 'Noto Sans Mongolian', 'Noto Sans', sans-serif; }
#nmq-app.nmq-rtl { direction: rtl; }
/* Keep Japanese always in JP font */
#nmq-app .nmq-logo-kanji, #nmq-app .nmq-question-jp, #nmq-app .nmq-question-reading { font-family: 'Noto Sans JP', sans-serif !important; }

/* ─── ANIMATIONS ─── */
@keyframes nmq-bounce { 0%,100%{transform:scale(1)} 50%{transform:scale(1.05)} }
@keyframes nmq-shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-8px)} 75%{transform:translateX(8px)} }
@keyframes nmq-pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }
@keyframes nmq-streakPop { 0%{opacity:0;transform:translate(-50%,-30%) scale(0.5)} 30%{opacity:1;transform:translate(-50%,-50%) scale(1.2)} 100%{opacity:0;transform:translate(-50%,-70%) scale(1)} }

/* ═══ LIGHT THEME ═══ */
#nmq-app.nmq-light {
    --bg: #f4f5fa; --card: #ffffff; --card2: #eef0f7;
    --text: #1a1a2e; --dim: #6b7280; --border: rgba(0,0,0,0.1);
}
#nmq-app.nmq-light { box-shadow: 0 16px 56px rgba(0,0,0,0.12); }
#nmq-app.nmq-light .nmq-question-card { background: linear-gradient(145deg, #ffffff, #f0f2f8); }
#nmq-app.nmq-light .nmq-lang-btn,
#nmq-app.nmq-light .nmq-cat-btn,
#nmq-app.nmq-light .nmq-option,
#nmq-app.nmq-light .nmq-pill,
#nmq-app.nmq-light .nmq-setting,
#nmq-app.nmq-light .nmq-result-stat { box-shadow: 0 2px 10px rgba(0,0,0,0.05); }

/* ═══ FLOATING BUTTONS ═══ */
#nmq-app .nmq-fs-btn, #nmq-app .nmq-theme-btn {
    position: fixed; bottom: 24px;
    width: 54px; height: 54px; border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.2);
    color: #fff; font-size: 23px; cursor: pointer;
    z-index: 1000000;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
    box-shadow: 0 6px 24px rgba(0,0,0,0.3);
}
#nmq-app .nmq-fs-btn {
    right: 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
}
#nmq-app .nmq-theme-btn {
    right: 90px;
    background: var(--card);
    border-color: var(--border);
    color: var(--text);
}
#nmq-app .nmq-fs-btn:hover { transform: scale(1.1) rotate(90deg); }
#nmq-app .nmq-theme-btn:hover { transform: scale(1.1); }

/* ═══ FULLSCREEN ═══ */
#nmq-app.nmq-fullscreen {
    position: fixed !important;
    inset: 0 !important;
    width: 100vw !important; height: 100vh !important;
    max-width: 100vw !important; margin: 0 !important;
    z-index: 999999; overflow-y: auto;
    border-radius: 0 !important;
}
#nmq-app.nmq-fullscreen .nmq-screen { max-width: 1000px; margin: 0 auto; }

/* ═══ TABLET ═══ */
@media (max-width: 900px) {
    #nmq-app { max-width: 96%; }
    #nmq-app .nmq-screen { padding: 36px 28px 80px; }
    #nmq-app .nmq-lang-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    #nmq-app .nmq-category-grid { grid-template-columns: repeat(3, 1fr); }
    #nmq-app .nmq-question-jp { font-size: 68px; }
}

/* ═══ MOBILE ═══ */
@media (max-width: 600px) {
    #nmq-app { margin: 0; border-radius: 0; }
    #nmq-app .nmq-screen { padding: 24px 16px 80px; min-height: 100vh; }
    #nmq-app .nmq-logo-kanji { font-size: 38px; letter-spacing: 1px; }
    #nmq-app .nmq-logo-sub { font-size: 12px; letter-spacing: 3px; }
    #nmq-app .nmq-level-badge { font-size: 14px; padding: 6px 20px; }
    #nmq-app .nmq-lang-title { font-size: 15px; margin: 6px 0 20px; }
    #nmq-app .nmq-lang-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 20px; }
    #nmq-app .nmq-lang-btn { padding: 13px 14px; font-size: 13px; gap: 8px; }
    #nmq-app .nmq-lang-btn .flag { font-size: 22px; }
    #nmq-app .nmq-start-btn { font-size: 17px; padding: 16px 32px; letter-spacing: 2px; }
    #nmq-app .nmq-menu-header { margin-bottom: 20px; }
    #nmq-app .nmq-menu-lang-switch { padding: 8px 14px; font-size: 13px; }
    #nmq-app .nmq-category-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    #nmq-app .nmq-cat-btn { padding: 16px 8px; font-size: 14px; }
    #nmq-app .nmq-cat-btn .cat-emoji { font-size: 24px; }
    #nmq-app .nmq-cat-btn .cat-count { font-size: 11px; }
    #nmq-app .nmq-settings-row { flex-direction: column; gap: 8px; }
    #nmq-app .nmq-setting { min-width: 100%; padding: 12px 16px; }
    #nmq-app .nmq-question-card { padding: 32px 18px; }
    #nmq-app .nmq-question-jp { font-size: 56px; }
    #nmq-app .nmq-question-reading { font-size: 20px; }
    #nmq-app .nmq-options { grid-template-columns: 1fr; gap: 10px; }
    #nmq-app .nmq-option { padding: 18px; font-size: 16px; min-height: 56px; }
    #nmq-app .nmq-quiz-header { gap: 8px; }
    #nmq-app .nmq-pill, #nmq-app .nmq-timer-display { padding: 6px 14px; font-size: 14px; }
    #nmq-app .nmq-result-circle { width: 150px; height: 150px; }
    #nmq-app .nmq-result-pct { font-size: 42px; }
    #nmq-app .nmq-result-pct span { font-size: 20px; }
    #nmq-app .nmq-result-grade { font-size: 26px; }
    #nmq-app .nmq-result-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
    #nmq-app .nmq-result-stat { padding: 14px 6px; }
    #nmq-app .nmq-result-stat .stat-val { font-size: 22px; }
    #nmq-app .nmq-result-stat .stat-label { font-size: 11px; }
    #nmq-app .nmq-result-btns { flex-direction: column; width: 100%; }
    #nmq-app .nmq-btn { width: 100%; }
    #nmq-app .nmq-fs-btn, #nmq-app .nmq-theme-btn { width: 46px; height: 46px; font-size: 19px; bottom: 14px; }
    #nmq-app .nmq-fs-btn { right: 14px; }
    #nmq-app .nmq-theme-btn { right: 70px; }
}

/* ═══ HOW TO POPUP ═══ */
#nmq-app .nmq-howto-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.78);
    display: flex; align-items: center; justify-content: center;
    z-index: 100; padding: 20px;
    backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
    animation: nmq-fadeIn 0.3s;
}
#nmq-app .nmq-howto-box {
    background: var(--card); border: 2px solid var(--primary);
    border-radius: var(--radius); padding: 32px 28px;
    max-width: 460px; width: 100%; text-align: center;
    box-shadow: 0 16px 56px rgba(0,0,0,0.5);
}
#nmq-app .nmq-howto-icon { font-size: 48px; margin-bottom: 8px; }
#nmq-app .nmq-howto-title { font-size: 22px; font-weight: 800; margin-bottom: 16px; color: var(--primary); }
#nmq-app .nmq-howto-text { font-size: 15px; line-height: 1.9; color: var(--text); text-align: left; margin-bottom: 24px; }
#nmq-app .nmq-howto-btn {
    padding: 14px 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    border: none; border-radius: var(--radius);
    color: #fff; font-size: 17px; font-weight: 800;
    letter-spacing: 1px; cursor: pointer; transition: all 0.2s;
}
#nmq-app .nmq-howto-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px var(--glow); }
@keyframes nmq-fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ═══ EXAMPLE SENTENCE (after answer) ═══ */
#nmq-app .nmq-q-example {
    margin-top: 20px; padding: 16px 20px;
    background: rgba(0, 200, 81, 0.08);
    border-left: 4px solid var(--success);
    border-radius: 8px;
    display: flex; flex-direction: column;
    gap: 6px; text-align: left;
    animation: nmq-q-ex-slide 0.3s ease;
}
#nmq-app .nmq-q-ex-label { font-size: 12px; color: var(--success); font-weight: 800; letter-spacing: 1px; text-transform: uppercase; }
#nmq-app .nmq-q-ex-jp { font-family: 'Noto Sans JP', sans-serif; font-size: 22px; font-weight: 600; line-height: 1.4; color: var(--text); }
#nmq-app .nmq-q-ex-reading { font-family: 'Noto Sans JP', sans-serif; font-size: 14px; color: var(--dim); }
#nmq-app .nmq-q-ex-en { font-size: 15px; color: var(--dim); font-style: italic; }
@keyframes nmq-q-ex-slide { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 600px) {
    #nmq-app .nmq-q-example { padding: 12px 14px; margin-top: 14px; }
    #nmq-app .nmq-q-ex-jp { font-size: 17px; }
    #nmq-app .nmq-q-ex-reading { font-size: 12px; }
    #nmq-app .nmq-q-ex-en { font-size: 13px; }
}