*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI','Noto Sans Telugu',system-ui,sans-serif;background:#0b0e17;color:#e8edf5;min-height:100vh}
body.modal-open{overflow:hidden}
button{font-family:inherit}
.hidden{display:none!important}

.selection-page{max-width:1600px;margin:0 auto;padding:40px clamp(24px,4vw,64px)}
.brand{background:linear-gradient(145deg,#141b2b,#1a2335);border:1px solid #2a3a55;border-radius:20px;padding:32px;margin-bottom:30px}
.brand h1{font-size:30px;color:#f59e0b;margin-bottom:10px}
.brand p{color:#94a3b8;line-height:1.8}

.available-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.available-title h2{font-size:22px}
.test-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:18px}
.test-card{background:#111927;border:1px solid #243653;border-radius:18px;padding:22px;box-shadow:0 8px 30px rgba(0,0,0,.25)}
.test-card h3{font-size:20px;margin-bottom:8px;color:#e8edf5}
.test-sub{color:#8fa0b8;line-height:1.7;font-size:14px}
.meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:18px 0}
.meta{background:#0d1524;border:1px solid #1c2c47;border-radius:10px;padding:9px;color:#9eb0ca;font-size:13px}
.meta strong{color:#fbbf24}
.btn{border:1px solid #30476d;background:#1b2a43;color:#d9e3f2;padding:11px 18px;border-radius:12px;font-weight:700;cursor:pointer}
.btn:hover{background:#263b5d}
.btn-primary{background:linear-gradient(145deg,#d97706,#b45309);border-color:#f59e0b;color:#fff}
.btn-primary:hover{background:linear-gradient(145deg,#ea8b0b,#c26108)}
.btn-full{width:100%;margin-top:4px}
.btn-terms{border-color:#8b6a22;background:#332a14;color:#f8d77a}

.exam-screen{display:none}
.exam-screen.active{display:block}

.exam-fixed{position:sticky;z-index:1000;top:0;background:rgba(8,12,21,.96);backdrop-filter:blur(14px);border-bottom:1px solid #263956;box-shadow:0 8px 28px rgba(0,0,0,.45)}
.fixed-inner{max-width:1100px;margin:auto;padding:10px 24px}
.exam-header{background:linear-gradient(145deg,#141b2b,#1a2335);border:1px solid #2a3a55;border-radius:16px;padding:14px 18px}
.exam-title-row{display:flex;align-items:center;justify-content:space-between;gap:20px}
.exam-title-row h1{font-size:24px;color:#f59e0b}
.exam-sub{color:#91a0b6;font-size:13px;margin-top:5px}
.exam-quote{margin-top:8px;font-size:12px;color:#8fa0b8;line-height:1.5}
.exam-quote .quote-te{display:block;color:#f8d77a}
.exam-quote .quote-en{display:block;font-style:italic;opacity:.85}
.timer-box{text-align:center;min-width:125px}
.timer-label{font-size:10px;color:#94a3b8;letter-spacing:1px}
.timer{font-size:25px;font-weight:800;color:#fbbf24;font-variant-numeric:tabular-nums}
.unlimited-label{font-size:9px;color:#4ade80;letter-spacing:1px;font-weight:700}

.stats-bar{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-top:10px;padding-top:10px;border-top:1px solid #243653}
.stat{display:flex;align-items:center;gap:5px;font-size:13px;color:#b8c5d8}
.num{font-weight:800;font-size:15px}
.amber{color:#fbbf24}.green{color:#4ade80}.red{color:#f87171}
.header-actions{margin-left:auto;display:flex;gap:7px}

.exam-content{max-width:960px;margin:0 auto;padding:24px 24px 40px}
.question-card{background:#111927;border-radius:18px;padding:24px 28px;margin-bottom:18px;border:1px solid #1e2d44}
.question-card.correct{border-left:5px solid #4ade80;background:#0f1f1a}
.question-card.wrong{border-left:5px solid #f87171;background:#1f131a}
.qhead{display:flex;justify-content:space-between;margin-bottom:12px}
.qnum{font-weight:700;color:#fbbf24;background:#1e2a3f;padding:4px 14px;border-radius:40px}
.mark{color:#94a3b8;font-size:13px}
.qtext{font-size:17px;line-height:1.75;margin-bottom:15px;white-space:pre-line;overflow-wrap:break-word}
.options{display:flex;flex-direction:column;gap:8px}
.option-label{display:flex;align-items:flex-start;gap:13px;padding:11px 16px;border-radius:12px;background:#0f1629;border:1px solid #1f3050;cursor:pointer;font-size:16px;line-height:1.5}
.option-label:hover{background:#1a2642;border-color:#3a5a8a}
.option-label.selected{border-color:#f59e0b;background:#1f2d4a}
.option-label.reveal-correct{border-color:#4ade80;background:#0f2a1a}
.option-label.wrong-answer{border-color:#f87171;background:#2a131a}
.option-label input{accent-color:#f59e0b;width:18px;height:18px;flex-shrink:0;margin-top:2px}
.feedback{margin-top:15px;padding:15px 18px;border-radius:12px;background:#0a111f;border:1px solid #1f2d44;display:none;line-height:1.7}
.feedback.show{display:block}
.fb-correct{color:#4ade80;font-weight:700}.fb-wrong{color:#f87171;font-weight:700}
.fb-explain{color:#cbd5e1;margin-top:7px}
.curriculum{margin-top:12px;padding-top:10px;border-top:1px solid #263653;color:#b9c8dc;display:grid;gap:5px}

.actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:28px 0}
.score-overlay{display:none;background:linear-gradient(145deg,#0f172a,#1a2335);border-radius:18px;padding:25px;margin:25px 0;border:1px solid #2a3a55}
.score-overlay.show{display:block}
.score-row{display:flex;flex-wrap:wrap;gap:25px;justify-content:space-around;align-items:center;line-height:1.9}
.score-big{font-size:50px;font-weight:900;color:#fbbf24}

.terminology-panel{display:none;position:fixed;z-index:2000;inset:0;background:rgba(0,0,0,.72);padding:30px;overflow:auto}
.terminology-panel.show{display:flex;justify-content:center;align-items:flex-start}
.terminology-modal{width:min(900px,100%);margin-top:30px;background:#111927;border:1px solid #30476d;border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.65);overflow:hidden}
.terminology-header{display:flex;justify-content:space-between;align-items:center;padding:22px 24px;border-bottom:1px solid #263956;background:#151f31}
.terminology-header h2{color:#fbbf24}
.terminology-header p{color:#91a0b6;margin-top:4px;font-size:13px}
.close-btn{background:#243653;border:1px solid #3a5277;color:#fff;border-radius:10px;width:38px;height:38px;cursor:pointer;font-size:18px}
.terminology-intro{padding:18px 24px;color:#cbd5e1}
.term-table-wrap{padding:0 24px 25px;overflow:auto}
.term-table{width:100%;border-collapse:collapse;min-width:500px}
.term-table th,.term-table td{padding:12px 14px;border:1px solid #263956;text-align:left}
.term-table th{background:#1b2940;color:#fbbf24}
.term-table td{color:#d8e1ee}
.term-table tbody tr:nth-child(even){background:#0e1625}
.no-terms{padding:30px;color:#94a3b8}

.footer{text-align:center;color:#52627a;font-size:12px;margin-top:25px;padding:18px;border-top:1px solid #1e2d44}

/* ---- Settings bar (selection screen) ---- */
.settings-bar{display:flex;gap:18px;flex-wrap:wrap;background:#111927;border:1px solid #243653;border-radius:14px;padding:12px 18px;margin-bottom:20px}

/* ---- Google Drive source controls ---- */
.drive-controls{margin-bottom:20px}
.local-upload-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.source-mode-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:#111927;border:1px solid #243653;border-radius:14px;padding:12px 18px;margin-bottom:20px}
.source-mode-label{color:#91a0b6;font-size:13px;font-weight:700}
.source-mode-option{display:flex;align-items:center;gap:7px;font-size:13px;color:#c3d0e2;cursor:pointer}
.source-mode-option input{accent-color:#f59e0b;width:16px;height:16px}
.local-upload-hint{color:#7d8ba3;font-size:12px}
.upload-badge{display:inline-block;background:#1e1730;border:1px solid #3a2a52;color:#c4a8f0;border-radius:20px;padding:3px 12px;font-size:11px;margin-bottom:10px}
.toggle{display:flex;align-items:center;gap:8px;font-size:13px;color:#c3d0e2;cursor:pointer}
.toggle input{accent-color:#f59e0b;width:16px;height:16px}

/* ---- Filter bar (selection screen) ---- */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.filter-input{flex:1 1 220px;background:#0d1524;border:1px solid #243653;border-radius:12px;padding:10px 14px;color:#e8edf5;font-size:14px}
.filter-input::placeholder{color:#5c6f8a}
.filter-select{background:#0d1524;border:1px solid #243653;border-radius:12px;padding:10px 14px;color:#e8edf5;font-size:13px;cursor:pointer}

.best-score{margin-top:12px;padding:8px 12px;background:#1a1608;border:1px solid #4d3a10;border-radius:10px;color:#fbbf24;font-size:13px}
.card-actions{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.btn-ghost{background:transparent;border:1px dashed #3a5277;color:#9eb0ca}
.btn-ghost:hover{background:#16213a}

/* ---- Question navigator palette ---- */
.navigator-grid{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;padding-top:10px;border-top:1px solid #243653;max-height:74px;overflow-y:auto}
.nav-item{width:30px;height:30px;border-radius:8px;border:1px solid #2a3a55;background:#0d1524;color:#9eb0ca;font-size:12px;font-weight:700;cursor:pointer}
.nav-item:hover{border-color:#f59e0b}
.nav-item.answered{background:#16324a;border-color:#3b82f6;color:#bfdbfe}
.nav-item.flagged{background:#3a2a08;border-color:#f59e0b;color:#fde68a}
.nav-item.correct{background:#0f2a1a;border-color:#4ade80;color:#bbf7d0}
.nav-item.wrong{background:#2a131a;border-color:#f87171;color:#fecaca}

/* ---- Flag button on each question ---- */
.qhead-right{display:flex;align-items:center;gap:10px}
.type-badge{font-size:11px;color:#93c5fd;background:#0f2138;border:1px solid #26456e;border-radius:20px;padding:3px 10px}
.flag-btn{background:none;border:1px solid #2a3a55;border-radius:8px;padding:3px 8px;cursor:pointer;font-size:14px;opacity:.5}
.ai-ask-btn{background:none;border:1px solid #3a2a52;border-radius:20px;padding:3px 12px;cursor:pointer;font-size:11px;color:#c4a8f0}
.ai-ask-btn:hover{background:#1e1730}
.ai-ask-btn.copied{background:#0f2a1a;border-color:#1f5a37;color:#4ade80}
.flag-btn:hover{opacity:1}
.flag-btn.active{opacity:1;background:#3a2a08;border-color:#f59e0b}

/* ---- Post-submit review filter chips ---- */
.review-filter-bar{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:20px 0 4px}
.chip{border:1px solid #30476d;background:#111927;color:#b8c5d8;padding:8px 16px;border-radius:30px;font-size:13px;cursor:pointer}
.chip:hover{background:#1a2642}
.chip.active{background:linear-gradient(145deg,#d97706,#b45309);border-color:#f59e0b;color:#fff}

.marks-line{font-size:12px;color:#9eb0ca;margin-top:4px}
.test-card.scanning h3{color:#fbbf24}

/* ---- Quote banners (Telugu + English motivation, text-only — the full ---- *
 *  image+quote experience lives in the Motivation Gallery modal below) ---- */
.quote-banner{background:#151020;border:1px solid #3a2a52;border-radius:14px;padding:14px 20px;margin-bottom:20px;font-size:13px;line-height:1.6}
.card-quote{margin:12px 0;padding:10px 14px;background:#151020;border:1px solid #3a2a52;border-radius:10px;font-size:12px}
.result-quote{margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;text-align:center}

.quote-text{min-width:0}
.quote-te{display:block;color:#f8d77a;font-size:14px}
.quote-en{display:block;color:#a898c2;font-style:italic;margin-top:2px;font-size:12px}
.result-quote .quote-te{color:#fde68a}
.result-quote .quote-text{text-align:center}
.quote-gallery-link{display:inline-block;margin-top:8px;background:none;border:1px solid #3a2a52;color:#f8d77a;border-radius:20px;padding:6px 14px;font-size:12px;cursor:pointer}
.quote-gallery-link:hover{background:#1e1730}

/* ---- Header button group (selection screen) ---- */
.header-btn-group{display:flex;gap:10px;flex-wrap:wrap}
.btn-motivation{background:linear-gradient(145deg,#7c3aed,#a855f7);border-color:#a855f7;color:#fff}
.btn-motivation:hover{filter:brightness(1.1)}
.btn-quotes{background:linear-gradient(145deg,#b45309,#f59e0b);border-color:#f59e0b;color:#fff}
.btn-quotes:hover{filter:brightness(1.1)}
.btn-analysis{background:linear-gradient(145deg,#0369a1,#0ea5e9);border-color:#0ea5e9;color:#fff}
.btn-analysis:hover{filter:brightness(1.1)}

/* ---- Score Analysis modal (reuses .terminology-panel/.terminology-modal shell) ---- */
.analysis-summary{display:flex;gap:14px;flex-wrap:wrap;padding:18px 24px 0}
.analysis-stat{background:#0d1524;border:1px solid #243653;border-radius:12px;padding:10px 16px;font-size:13px;color:#c3d0e2}
.analysis-table th:nth-child(3),.analysis-table td:nth-child(3){text-align:center}
.analysis-subject{font-size:11px;color:#7d8ba3;margin-top:2px}
.acc-badge{font-weight:700;padding:3px 10px;border-radius:20px;font-size:12px}
tr.row-weak .acc-badge{background:#2a131a;color:#f87171;border:1px solid #5a1f27}
tr.row-fair .acc-badge{background:#3a2a08;color:#fbbf24;border:1px solid #5a4a1f}
tr.row-strong .acc-badge{background:#0f2a1a;color:#4ade80;border:1px solid #1f5a37}
tr.row-weak{background:rgba(248,113,113,.05)}
.analysis-footer{padding:14px 24px 22px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.analysis-footnote{color:#7d8ba3;font-size:11px;line-height:1.6;max-width:600px}
.analysis-footnote code{background:#0d1524;border:1px solid #243653;border-radius:6px;padding:1px 6px;color:#f8d77a}

/* ---- Motivation Gallery modal — full-screen slideshow ---- */
.motivation-panel{display:none;position:fixed;z-index:2100;inset:0;background:rgba(0,0,0,.85);padding:24px;align-items:center;justify-content:center}
.motivation-panel.show{display:flex}
.motivation-modal{width:min(700px,100%);background:#111927;border:1px solid #30476d;border-radius:20px;box-shadow:0 24px 70px rgba(0,0,0,.7);overflow:hidden;position:relative}
.motivation-close{position:absolute;top:14px;right:14px;z-index:5;background:rgba(0,0,0,.5)}
.motivation-image-wrap{position:relative;width:100%;aspect-ratio:4/3;background:linear-gradient(145deg,#1f2937,#111827)}
.motivation-image{width:100%;height:100%;object-fit:cover;display:block}
.motivation-image-fallback{width:100%;height:100%;background:linear-gradient(135deg,#7c3aed,#d97706)}
.motivation-overlay{position:absolute;left:0;right:0;bottom:0;padding:30px 24px 22px;background:linear-gradient(to top,rgba(0,0,0,.85),rgba(0,0,0,.15) 70%,transparent)}
.motivation-overlay .quote-te{font-size:19px;color:#fde68a;text-shadow:0 2px 8px rgba(0,0,0,.6)}
.motivation-overlay .quote-en{font-size:14px;color:#e8edf5;margin-top:6px;text-shadow:0 2px 8px rgba(0,0,0,.6)}
.motivation-controls{display:flex;align-items:center;justify-content:center;gap:16px;padding:16px}
.motivation-btn{width:44px;height:44px;border-radius:50%;border:1px solid #30476d;background:#0d1524;color:#e8edf5;font-size:18px;cursor:pointer}
.motivation-btn:hover{background:#1a2642}
.motivation-counter{color:#91a0b6;font-size:13px;min-width:60px;text-align:center}
.motivation-modal.mode-images .motivation-image-wrap{aspect-ratio:16/10}

/* ---- Topic grid (first selection screen) ---- */
.topic-card h3{color:#fbbf24}
.back-row{grid-column:1/-1;margin-bottom:2px}

/* ---- Difficulty color badges ---- */
.diff-badge.diff-easy{border-color:#1f5a37}
.diff-badge.diff-easy strong{color:#4ade80}
.diff-badge.diff-medium{border-color:#5a4a1f}
.diff-badge.diff-medium strong{color:#fbbf24}
.diff-badge.diff-advanced{border-color:#5a1f27}
.diff-badge.diff-advanced strong{color:#f87171}
.diff-badge.diff-practice{border-color:#1c2c47}
.diff-badge.diff-practice strong{color:#93c5fd}

@media print{
    .exam-fixed,.actions,.review-filter-bar,.header-actions,.navigator-grid,.footer{display:none!important}
    .exam-content{padding-top:20px!important}
    body{background:#fff;color:#111}
    .question-card{border:1px solid #ccc;background:#fff;break-inside:avoid;display:block!important}
    .qtext,.fb-explain,.curriculum{color:#111}
    .feedback{display:block!important;background:#f7f7f7;border-color:#ddd}
    .score-overlay{border:1px solid #ccc;background:#fff;color:#111}
    .result-quote{color:#111;border-top-color:#ccc}
    .result-quote .quote-te{color:#7a5c00}
    .result-quote .quote-gallery-link{display:none}
    .motivation-panel{display:none!important}
}

@media(max-width:760px){
    .selection-page{padding:20px 12px}
    .test-grid{grid-template-columns:1fr}
    .fixed-inner{padding:8px 10px}
    .exam-header{padding:12px}
    .exam-title-row{align-items:flex-start}
    .exam-title-row h1{font-size:19px}
    .timer{font-size:21px}
    .stats-bar{gap:6px}
    .header-actions{width:100%;margin-left:0}
    .header-actions .btn{flex:1}
    .exam-content{padding:24px 12px 30px}
    .question-card{padding:18px 15px}
    .qtext{font-size:16px}
    .option-label{font-size:15px;padding:10px 12px}
    .terminology-panel{padding:10px}
    .terminology-modal{margin-top:10px}
}