:root{--bg:#f4f6f8;--panel:#fff;--ink:#18212b;--muted:#66717d;--line:#d9e0e6;--accent:#1f5b7a;--accent2:#e8f1f6;--ok:#246b45;--warn:#8b5d00;--bad:#8a3030;--shadow:0 8px 26px rgba(20,32,44,.08)}
/* Portada y cabeceras de El Rincón del Opositor. */
.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}
.skip-link{position:absolute;left:16px;top:-100px;z-index:20;padding:10px 16px;background:#fff;color:var(--accent);border-radius:7px}.skip-link:focus{top:12px}
.landing-page{min-height:100vh;display:flex;flex-direction:column}
.landing-header{background:#102c3c;color:#fff;padding:24px}
.landing-header-inner{max-width:1120px;margin:auto;text-align:center}
.landing-logo{display:block;width:min(680px,100%);height:auto;margin:0 auto}
.landing-header p{margin:8px 0 4px;color:#d1e1e9}
.landing-main{width:100%;max-width:1120px;margin:0 auto;padding:34px 28px 24px;flex:1}
.landing-eyebrow{color:var(--accent);font-size:.78rem;letter-spacing:.12em;font-weight:800;margin:0 0 6px}
.landing-main h2{margin:0 0 8px;font-size:clamp(1.4rem,3vw,1.9rem)}
.landing-intro{margin:0 0 24px;color:var(--muted)}
.opposition-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.opposition-card{display:flex;flex-direction:column;padding:26px;border:1px solid var(--line);border-top:5px solid var(--accent);border-radius:12px;background:var(--panel);color:var(--ink);text-decoration:none;box-shadow:var(--shadow)}
.opposition-card h3{font-size:1.5rem;margin:12px 0 6px;line-height:1.25}
.opposition-card p{margin:8px 0}.opposition-code{font-weight:700;color:var(--accent);font-size:.88rem}
.opposition-topics{color:var(--muted);font-size:.9rem}.opposition-enter{display:block;margin-top:auto;padding-top:20px;font-weight:800;color:var(--accent)}
.opposition-card:hover{border-color:#86aabd;background:#fafdff}.opposition-card:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.opposition-status{padding:9px 11px;background:var(--accent2);border-radius:7px;font-weight:700;font-size:.88rem}.opposition-official{color:var(--accent);font-size:.85rem;margin-top:12px}.opposition-enter{text-decoration:none}.opposition-enter:hover,.opposition-official:hover{text-decoration:underline}.opposition-enter:focus-visible,.opposition-official:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.landing-note{font-size:.84rem;color:var(--muted);margin:24px 0 0}
.landing-statistics{margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.stats-card{padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.stats-card h3{margin:0 0 14px}
.public-stats-values{display:flex;flex-wrap:wrap;gap:16px 28px;margin:0}.public-stats-values dt{font-size:.84rem;color:var(--muted)}.public-stats-values dd{margin:2px 0 0;font-size:1.35rem;font-weight:800;color:var(--accent)}
.landing-footer{border-top:1px solid var(--line);padding:16px 24px;text-align:center;font-size:.85rem;color:var(--muted)}.landing-footer p{margin:0}.landing-footer a{color:var(--accent)}
.topbar.study-topbar{display:grid;grid-template-columns:240px minmax(0,1fr) auto;gap:24px;align-items:center}
.study-brand img{display:block;width:240px;max-width:100%;height:auto}.study-brand:focus-visible{outline:3px solid #fff;outline-offset:5px}
.study-heading h1{font-size:clamp(1.4rem,2.4vw,1.9rem)}.study-heading .eyebrow{margin:0 0 4px}.study-heading .muted{font-size:.9rem}
.sidebar-home{display:block;color:var(--accent);font-weight:700;font-size:.9rem;margin-bottom:14px}
.sidebar-opposition{font-weight:800;line-height:1.35;margin:0 0 14px}.sidebar-opposition span{display:block;font-size:.8rem;font-weight:500;color:var(--muted);margin-top:3px}
.sidebar-reference{font-size:.8rem;margin:20px 6px 6px}.sidebar-reference a{color:var(--accent)}
@media(max-width:1200px){.topbar.study-topbar{grid-template-columns:220px minmax(0,1fr)}.study-brand img{width:220px}.study-topbar .summary{grid-column:2;justify-content:flex-start}}
@media(max-width:760px){.landing-header{padding:18px}.landing-main{padding:24px 18px}.opposition-grid{grid-template-columns:1fr;gap:16px}.opposition-card{padding:22px}.topbar.study-topbar{grid-template-columns:1fr;gap:12px}.study-topbar .summary{grid-column:1;justify-content:flex-start}.study-brand img{width:210px}}
/* Colección local de exámenes: conserva los colores y controles existentes. */
.exam-name{display:grid;gap:3px;font-size:.84rem;color:var(--muted)}
.exam-name input{width:230px;max-width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--ink)}
.exam-name-help{font-size:.84rem;max-width:100%}.exam-name-help summary{cursor:pointer;color:var(--accent)}
.exam-name-help p{max-width:650px;margin:8px 0;padding:10px;background:var(--accent2);border-radius:7px}
.exam-receipt-actions{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.exam-receipt-list{padding-left:22px}.exam-receipt-list li{margin:12px 0;overflow-wrap:anywhere}
.exam-receipt-dialog{width:min(980px,94vw);max-height:90vh;overflow:auto;padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--ink);box-shadow:var(--shadow)}
.exam-receipt-dialog::backdrop{background:rgba(16,44,60,.65)}
.exam-receipt-dialog .question{break-inside:avoid}.exam-receipt-dialog p{overflow-wrap:anywhere}
.exam-name input:focus-visible,.exam-name-help summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
@media(max-width:600px){.exam-name{width:100%}.exam-name input{width:100%}.exam-receipt-dialog{padding:14px}}
@media print{body.exam-receipt-open .topbar,body.exam-receipt-open .sidebar,body.exam-receipt-open .main>:not(#examReceiptDialog),body.exam-receipt-open .receipt-no-print{display:none!important}body.exam-receipt-open .app-shell{display:block}body.exam-receipt-open .main{max-width:none;padding:0}body.exam-receipt-open #examReceiptDialog{position:static;display:block;width:100%;max-width:none;max-height:none;overflow:visible;margin:0;padding:0;border:0;border-radius:0;box-shadow:none}body.exam-receipt-open #examReceiptDialog::backdrop{background:transparent}}
*{box-sizing:border-box}body{margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}
button,input{font:inherit}.topbar{display:flex;gap:24px;justify-content:space-between;align-items:flex-start;padding:22px 28px;background:#102c3c;color:#fff}.topbar h1{margin:.1rem 0 .25rem;font-size:clamp(1.35rem,2.5vw,2rem)}.eyebrow{margin:0;font-size:.78rem;letter-spacing:.12em;font-weight:800;color:#b7d3e2}.muted{color:#aebfca;margin:.2rem 0}.summary{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.pill{border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:6px 10px;font-size:.82rem;white-space:nowrap}.app-shell{display:grid;grid-template-columns:330px 1fr;min-height:calc(100vh - 110px)}.sidebar{border-right:1px solid var(--line);background:#eef2f4;padding:18px;position:sticky;top:0;height:calc(100vh - 0px);overflow:auto}.switcher{display:grid;grid-template-columns:1fr 1fr;gap:8px}.op-btn{border:1px solid var(--line);background:#fff;padding:9px;border-radius:8px;cursor:pointer}.op-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.filter{width:100%;margin:12px 0;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}.source-mini{font-size:.78rem;color:var(--muted);margin-bottom:12px}.theme-list{display:flex;flex-direction:column;gap:6px}.theme-btn{width:100%;text-align:left;border:1px solid transparent;background:transparent;border-radius:8px;padding:9px 10px;cursor:pointer}.theme-btn:hover{background:#fff}.theme-btn.active{background:#fff;border-color:#bad0dc;box-shadow:0 2px 8px rgba(0,0,0,.04)}.theme-btn .code{font-weight:800;color:var(--accent);margin-right:6px}.theme-btn small{display:block;color:var(--muted);margin-top:2px}.status-completo{color:var(--ok)}.status-pendiente{color:var(--warn)}.main{padding:28px;max-width:1120px;width:100%;margin:0 auto}.hero,.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}.hero{padding:22px;margin-bottom:18px}.hero h2{margin:.2rem 0 .5rem}.meta{display:flex;gap:8px;flex-wrap:wrap}.tag{font-size:.78rem;background:#eef3f6;border-radius:999px;padding:4px 8px;color:#33444e}.tag.ok{background:#e4f3ea;color:var(--ok)}.tag.pending{background:#fff3d7;color:var(--warn)}.card{padding:20px;margin:14px 0}.card h3{margin-top:0}.section-title{margin:28px 0 10px;font-size:1.15rem}.legal{border-left:5px solid #263f50;background:#fafcfd;padding:18px;margin:12px 0;border-radius:8px}.legal h4{margin:0 0 8px}.legal-text{white-space:pre-wrap;font-family:Georgia,'Times New Roman',serif;line-height:1.68}.notice{padding:12px 14px;border-radius:8px;background:#fff7dd;border:1px solid #ead38a;color:#5d4800}.explain{border-left:4px solid #7aa6bd;padding-left:14px;margin:16px 0}.memory{background:#f1f7fa}.memory li{margin:6px 0}.trap{background:#fff7f0}.recall-item{border-top:1px solid var(--line);padding:12px 0}.recall-item:first-child{border-top:0}.reveal{border:1px solid var(--line);background:#fff;padding:6px 9px;border-radius:7px;cursor:pointer}.answer{display:none;margin-top:8px;padding:10px;background:#eef7f1;border-radius:7px}.answer.show{display:block}.question{padding:16px 0;border-top:1px solid var(--line)}.question:first-child{border-top:0}.options{display:grid;gap:8px;margin:10px 0}.option{display:flex;gap:8px;padding:9px;border:1px solid var(--line);border-radius:8px}.check-btn{background:var(--accent);color:white;border:0;border-radius:8px;padding:8px 12px;cursor:pointer}.feedback{margin-top:8px;padding:9px;border-radius:8px}.feedback.ok{background:#e8f5ec;color:var(--ok)}.feedback.bad{background:#fae9e7;color:var(--bad)}.progress-box{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.mastery{font-weight:800}.small{font-size:.86rem;color:var(--muted)}.structure-list li{margin:4px 0}.pending-card{text-align:center;padding:44px 26px}.pending-card strong{display:block;font-size:1.2rem;margin-bottom:8px}.footer-note{font-size:.8rem;color:var(--muted);margin-top:24px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.tab-btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 11px;cursor:pointer}.tab-btn.active{background:var(--accent2);border-color:#9ebccc}.tab-panel{display:none}.tab-panel.active{display:block}
@media(max-width:850px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--line)}.topbar{flex-direction:column}.main{padding:16px}.theme-list{max-height:360px;overflow:auto}}

/* Simulacros y test variables */
.exam-mode-btn{width:100%;margin-top:10px;border:1px solid #9ebccc;background:#e8f1f6;color:#173f55;padding:10px 12px;border-radius:8px;font-weight:800;cursor:pointer}.exam-mode-btn:hover,.exam-mode-btn.active{background:#173f55;color:#fff;border-color:#173f55}.test-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.test-toolbar{display:flex;gap:10px;align-items:end;flex-wrap:wrap;padding:12px;background:#f4f7f9;border:1px solid var(--line);border-radius:10px;margin:12px 0 18px}.test-toolbar label{display:grid;gap:4px;font-size:.82rem;color:var(--muted);font-weight:700}.test-toolbar select{min-width:180px;background:#fff;border:1px solid var(--line);border-radius:7px;padding:8px}.refresh-btn{border:0;background:#173f55;color:#fff;border-radius:8px;padding:9px 13px;font-weight:800;cursor:pointer}.refresh-btn:hover{filter:brightness(1.08)}.question-topic{display:inline-block;margin-left:6px;padding:2px 6px;border-radius:999px;background:#e8f1f6;color:#1f5b7a;font-size:.72rem;vertical-align:middle}.exam-hero{border-left:6px solid #1f5b7a}.official-note{padding:12px 14px;background:#eef7f1;border:1px solid #bfd8c8;border-radius:9px;color:#244f35}.timer-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:14px}.timer-row strong{font-size:1.45rem;letter-spacing:.06em;color:#173f55;min-width:90px}.exam-part{padding-top:22px}.exam-part>.question{padding:18px 0}.reserve-title{margin:28px 0 4px;padding:9px 12px;background:#fff7dd;border-radius:8px;font-weight:800;color:#6a5200}.exam-finish{font-size:1.05rem;padding:11px 16px}.exam-result{margin-top:14px;border-radius:10px;padding:16px}.exam-result.pass{background:#e8f5ec;border:1px solid #afd1bb}.exam-result.fail{background:#fae9e7;border:1px solid #dfb9b4}.exam-result h3{margin:0 0 12px}.score-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.score-grid>div{background:rgba(255,255,255,.72);border-radius:8px;padding:12px}.score-grid strong,.score-grid span{display:block}.score-grid span{font-size:.82rem;color:var(--muted);margin-top:4px}@media(max-width:700px){.score-grid{grid-template-columns:1fr}.test-toolbar>*{width:100%}.test-toolbar select{width:100%}}


/* Chuleta intensiva Subalterno */
.cheat-mode-btn{width:100%;margin-top:8px;border:1px solid #d3a54f;background:#fff7dd;color:#684900;padding:10px 12px;border-radius:8px;font-weight:800;cursor:pointer}.cheat-mode-btn:hover,.cheat-mode-btn.active{background:#7a5500;color:#fff;border-color:#7a5500}.cheat-hero{border-left:6px solid #d3a54f}.cheat-jump{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.cheat-jump a{display:inline-block;text-decoration:none;border:1px solid #d5c18d;background:#fffaf0;color:#5d4300;padding:7px 10px;border-radius:999px;font-weight:800;font-size:.82rem}.cheat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:14px;align-items:start}.cheat-card{margin:0}.cheat-card-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.cheat-card-head h3{font-size:1rem;line-height:1.3;margin:.35rem 0 0}.cheat-code{display:inline-block;background:#173f55;color:#fff;border-radius:999px;padding:3px 8px;font-size:.76rem;font-weight:900}.cheat-open{white-space:nowrap}.cheat-list,.cheat-traps ul,.anchor-list{padding-left:1.25rem}.cheat-list li,.cheat-traps li,.anchor-list li{margin:7px 0;line-height:1.45}.cheat-list li.hot{font-weight:700;border-left:3px solid #d3a54f;padding-left:8px}.cheat-traps{margin-top:14px;background:#fff7f0;border:1px solid #ecd0ba;border-radius:9px;padding:12px}.cheat-traps h4{margin:0 0 8px;color:#7b3f18}.cheat-section-title{scroll-margin-top:16px}.anchor-list{columns:2;column-gap:30px}.anchor-list li{break-inside:avoid}.cheat-card{scroll-margin-top:16px}@media(max-width:760px){.cheat-grid{grid-template-columns:1fr}.anchor-list{columns:1}.cheat-card-head{display:block}.cheat-open{margin-top:8px}}

/* Memorizar: bloques de texto a todo el ancho. */
.cheat-grid>.memory{grid-column:1/-1;min-width:0;overflow-wrap:anywhere}