:root{--bg: #eeeae4;--bg-card: #ffffff;--bg-warm: #f5f2ec;--bg-input: #e8e4dd;--bg-header: rgba(238, 234, 228, .95);--border: #d4cfc7;--border-light: #ddd9d1;--text: #1a1715;--text-secondary: #4a4540;--text-muted: #6e6860;--text-faint: #7d6b5e;--accent: #b45930;--accent-hover: #a04e28;--accent-light: rgba(180, 89, 48, .1);--accent-mid: rgba(180, 89, 48, .18);--accent-shadow: rgba(180, 89, 48, .25);--green: #1a7d45;--green-light: rgba(26, 125, 69, .18);--green-border: rgba(26, 125, 69, .4);--red: #c0392b;--red-light: rgba(192, 57, 43, .15);--red-border: rgba(192, 57, 43, .35);--amber: #8a6520;--amber-light: rgba(138, 101, 32, .1);--amber-border: rgba(138, 101, 32, .35);--font-body: "Source Serif 4", "Georgia", serif;--font-ui: "IBM Plex Sans", sans-serif;--font-mono: "IBM Plex Mono", monospace;--radius: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 2px 8px rgba(0, 0, 0, .1)}:root[data-theme=dark]{--bg: #1a1715;--bg-card: #262220;--bg-warm: 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28px;font-size:15px;border-radius:10px}.question-card{padding:18px 14px;border-radius:10px;margin-bottom:0}.question-text{font-size:15px;line-height:1.6;margin-bottom:18px}.pill{font-size:10px;padding:3px 8px}.pill-row{gap:5px;margin-bottom:12px}.option-btn{padding:14px 12px;min-height:52px;border-radius:10px;gap:10px;border-width:2px}.option-key{font-size:13px;min-width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--bg-input);border-radius:6px;margin-top:0}.option-text{font-size:14px;line-height:1.5}.options-grid{gap:8px}.feedback-box{padding:12px 14px;border-radius:10px}.feedback-title{font-size:14px}.feedback-body{font-size:13px;line-height:1.5}.feedback-meta{font-size:11px}.explanation-text{font-size:14px}.quiz-nav-sticky{position:fixed;bottom:56px;left:0;right:0;background:var(--bg-card);border-top:1px solid var(--border-light);padding:10px 12px;padding-bottom:max(10px,env(safe-area-inset-bottom));z-index:150;margin-top:0}.quiz-nav-sticky .btn-primary{width:100%;padding:14px;font-size:16px}.quiz-hint{display:none}.quiz-progress-meta{font-size:12px}.progress-track{height:4px!important}.tema-list{gap:4px}.tema-row{padding:8px 10px;animation:none!important}.tema-row-top{margin-bottom:3px}.tema-badge{font-size:9px;padding:2px 5px}.tema-name{font-size:11px}.tema-pct,.tema-count{font-size:10px}.results-hero{padding:28px 16px;border-radius:10px}.results-pct{font-size:44px}.results-grade{font-size:15px}.results-fraction{font-size:12px}.results-score{font-size:12px;padding:6px 12px}.breakdown-row{gap:8px}.breakdown-tema{font-size:10px;min-width:30px}.breakdown-pct{font-size:11px;min-width:65px}.wrong-card{padding:12px}.wrong-question{font-size:13px}.wrong-selected,.wrong-correct{font-size:12px}.search-input{padding:12px 14px;font-size:15px;border-radius:10px}.filter-row{gap:6px}.filter-select{font-size:16px;padding:8px 10px;min-height:44px;flex:1;min-width:0}.filter-count{font-size:11px}.review-question{font-size:13px}.review-meta{font-size:10px;margin-top:6px}.review-option{padding:8px 10px;font-size:13px}.truncation-notice{font-size:12px}}@media(min-width:641px)and (max-width:1023px){.main-content{padding:0 16px 80px}.metrics-grid{grid-template-columns:repeat(2,1fr);gap:12px}.nav-btn{padding:7px 10px;font-size:12px}.temario-grid{grid-template-columns:repeat(2,1fr)}.question-card{padding:24px 22px}}@media(max-width:380px){.main-content{padding:0 8px 72px}.chip{padding:7px 8px;font-size:12px}.question-card{padding:14px 10px}.option-btn{padding:12px 10px}.btn-quick-start{font-size:15px;padding:14px}.tema-chip-row{grid-template-columns:repeat(4,1fr)}.pwa-update-banner{bottom:108px}}.pwa-update-banner{position:fixed;bottom:0;left:0;right:0;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;gap:12px;padding:12px 16px;padding-bottom:max(12px,env(safe-area-inset-bottom));font-family:var(--font-ui);font-size:14px;font-weight:500;z-index:900;box-shadow:0 -2px 8px #00000026}.pwa-update-banner button{background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.4);border-radius:6px;padding:6px 14px;cursor:pointer;font-size:13px;font-weight:600}.pwa-update-banner button:first-of-type{background:#fff;color:var(--accent);border-color:#fff}.toast{position:fixed;bottom:80px;left:50%;transform:translate(-50%);background:var(--text);color:var(--bg-card);padding:10px 20px;border-radius:var(--radius);font-size:13px;font-family:var(--font-ui);z-index:950;box-shadow:var(--shadow-md);max-width:calc(100vw - 32px)}.confirm-overlay{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.confirm-dialog{padding:24px;max-width:340px;width:100%;text-align:center}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}main:focus{outline:none}button.logo{background:none;border:none;text-align:left}.temario-grid{display:grid;gap:14px}.temario-topic-card{padding:16px 18px;cursor:pointer}.temario-topic-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.temario-topic-title{font-family:var(--font-body);font-size:16px;font-weight:700;color:var(--text);line-height:1.5}.temario-topic-sub{font-size:12px;color:var(--text-secondary);margin-top:3px;line-height:1.4}.temario-topic-count{display:inline-block;font-size:11px;color:var(--accent);background:var(--accent-light);padding:3px 8px;border-radius:4px;font-family:var(--font-mono);font-weight:500;margin-top:8px}.priority-badge{font-size:10px;font-weight:600;font-family:var(--font-ui);padding:2px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:.5px}.priority-alta{background:var(--red-light);color:var(--red)}.priority-media{background:var(--amber-light);color:var(--amber)}.priority-baja{background:var(--accent-light);color:var(--text-secondary)}.temario-back-btn{margin-bottom:16px}.temario-detail-header{margin-bottom:24px}.temario-sections{display:grid;gap:12px}.temario-section{padding:18px 20px}.temario-section-title{font-family:var(--font-body);font-size:16px;font-weight:700;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:4px 0;border-radius:4px}.temario-section-body{margin-top:14px;display:grid;gap:12px}.temario-text{font-size:14px;line-height:1.7;color:var(--text);font-family:var(--font-body)}.temario-list-block{font-size:14px}.temario-list-title{font-weight:600;font-size:13px;color:var(--text-secondary);margin-bottom:6px}.temario-list{list-style:none;padding:0;display:grid;gap:4px}.temario-list li{padding:4px 0 4px 16px;position:relative;font-size:13px;line-height:1.6;color:var(--text);font-family:var(--font-body)}.temario-list li:before{content:"–";position:absolute;left:0;color:var(--accent);font-weight:600}.temario-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}.temario-table{width:100%;border-collapse:collapse;font-size:12px;font-family:var(--font-ui)}.temario-table th{background:var(--bg-warm);padding:8px 10px;text-align:left;font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);border-bottom:2px solid var(--border);white-space:nowrap}.temario-table td{padding:7px 10px;border-bottom:1px solid var(--border-light);color:var(--text);line-height:1.5}.temario-table tr:last-child td{border-bottom:none}.temario-key-fact{background:var(--accent-light);border-left:3px solid var(--accent);padding:8px 12px;border-radius:0 var(--radius) var(--radius) 0;font-size:13px;line-height:1.5;color:var(--text)}.temario-key-fact-key{font-weight:700;color:var(--accent)}.temario-alert{background:var(--amber-light);border-left:3px solid var(--amber);padding:8px 12px;border-radius:0 var(--radius) var(--radius) 0;font-size:12px;color:var(--amber);font-weight:500}.temario-code{background:var(--bg-input);border:1px solid var(--border-light);border-radius:var(--radius);padding:10px 14px;overflow-x:auto;font-size:12px;line-height:1.5;color:var(--text)}.temario-highlight{background:#ffd20059;color:inherit;border-radius:2px;padding:0 1px}:root[data-theme=dark] .temario-highlight{background:#ffd20040}@media(max-width:640px){.temario-topic-card{padding:12px 14px}.temario-topic-title{font-size:14px}.temario-section{padding:14px 12px}.temario-section-title{font-size:14px}.temario-text{font-size:13px}.temario-table{font-size:11px}.temario-table th,.temario-table td{padding:6px 8px}.temario-key-fact,.temario-alert{font-size:12px}}