:root{
color-scheme: light;
--surface-1:#fcfcfb;
--page:#f9f9f7;
--text-primary:#0b0b0b;
--text-secondary:#52514e;
--text-muted:#898781;
--border:rgba(11,11,11,0.10);
--series-1:#2a78d6;
--series-2:#eb6834;
--series-3:#1baf7a;
--series-4:#eda100;
--good:#0ca30c;
--critical:#d03b3b;
--warning:#fab219;
--radius:16px;
--radius-sm:10px;
--shadow-sm:0 1px 2px rgba(11,11,11,.05), 0 1px 1px rgba(11,11,11,.04);
--shadow-md:0 10px 28px rgba(11,11,11,.10);
--shadow-lg:0 16px 44px rgba(11,11,11,.16);
--edge:#141414;
--asphalt:#1c1e24;
--asphalt-2:#26282f;
--rt-yellow:#ffcc00;
--rt-yellow-deep:#e6b800;
--rt-red:#ff3b3b;
--rt-green:#1fb87a;
--rt-blue:#3d7dff;
}
@media (prefers-color-scheme: dark){
:root:where(:not([data-theme="light"])){
color-scheme: dark;
--surface-1:#1a1a19; --page:#0d0d0d; --text-primary:#fff; --text-secondary:#c3c2b7; --text-muted:#898781;
--border:rgba(255,255,255,0.12); --series-1:#3987e5; --series-2:#d95926; --series-3:#199e70; --series-4:#c98500;
--good:#0ca30c; --critical:#e66767; --warning:#fab219;
--shadow-sm:0 1px 2px rgba(0,0,0,.3); --shadow-md:0 10px 28px rgba(0,0,0,.45); --shadow-lg:0 16px 44px rgba(0,0,0,.55);
--edge:#e9e9e4; --asphalt:#101114; --asphalt-2:#1a1b20;
}
}
:root[data-theme="dark"]{
color-scheme: dark;
--surface-1:#1a1a19; --page:#0d0d0d; --text-primary:#fff; --text-secondary:#c3c2b7; --text-muted:#898781;
--border:rgba(255,255,255,0.12); --series-1:#3987e5; --series-2:#d95926; --series-3:#199e70; --series-4:#c98500;
--good:#0ca30c; --critical:#e66767; --warning:#fab219;
--edge:#e9e9e4; --asphalt:#101114; --asphalt-2:#1a1b20;
}
.hidden{display:none !important;}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--page);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}
.app{max-width:1100px;margin:0 auto;padding:0 16px 90px;}
.app-minimal{padding-top:18px;}
button{font-family:inherit;-webkit-tap-highlight-color:transparent;cursor:pointer;}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--series-1);outline-offset:2px;}
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:12px 16px;max-width:1100px;margin:0 auto;backdrop-filter:blur(10px);background:color-mix(in srgb, var(--page) 88%, transparent);}
.topbar .brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:1rem;}
.topbar .brand .logo{font-size:1.3rem;line-height:1;}
.topbar .right{display:flex;align-items:center;gap:8px;font-size:.85rem;}
.icon-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:var(--surface-1);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);}
.text-link{color:var(--series-1);font-weight:700;}
.hero{text-align:center;padding:34px 8px 18px;}
.hero h1{font-size:1.65rem;margin:0 0 10px;font-weight:800;}
.hero p{color:var(--text-secondary);margin:0 auto;max-width:560px;line-height:1.55;font-size:.95rem;}
.flash{border-radius:var(--radius-sm);padding:12px 16px;margin:14px 0;font-size:.9rem;border:1px solid var(--border);}
.flash.success{background:color-mix(in srgb, var(--good) 12%, var(--surface-1));border-color:var(--good);}
.flash.error{background:color-mix(in srgb, var(--critical) 12%, var(--surface-1));border-color:var(--critical);}
.flash.info{background:color-mix(in srgb, var(--series-1) 10%, var(--surface-1));border-color:var(--series-1);}
.pwa-banner{position:fixed;left:12px;right:12px;bottom:12px;z-index:60;background:var(--surface-1);border:2px solid var(--edge);border-radius:14px;box-shadow:var(--shadow-lg);padding:12px;align-items:center;gap:10px;}
.pwa-banner img{border-radius:9px;flex-shrink:0;display:block;}
.pwa-banner-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;}
.pwa-banner-text strong{font-size:.86rem;line-height:1.25;}
.pwa-banner-text span{font-size:.76rem;color:var(--text-muted);line-height:1.3;}
.pwa-banner-close{background:none;border:none;font-size:1rem;cursor:pointer;color:var(--text-muted);padding:4px;flex-shrink:0;line-height:1;}
@media (min-width:640px){.pwa-banner{left:auto;right:20px;bottom:20px;max-width:380px;}}
.section-heading{margin:30px 0 14px;}
.section-heading h2{margin:0;font-size:1.15rem;}
.section-heading p{margin:2px 0 0;font-size:.82rem;color:var(--text-secondary);}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;}
.card{background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm);}
.exam-card{background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:8px;}
.exam-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:color-mix(in srgb, var(--series-1) 40%, var(--border));}
.exam-card h3{margin:0;font-size:1rem;}
.exam-card .meta{font-size:.82rem;color:var(--text-muted);}
.exam-card .best-chip{font-size:.75rem;font-weight:700;padding:3px 8px;border-radius:20px;background:color-mix(in srgb, var(--good) 16%, transparent);color:var(--good);display:inline-block;width:fit-content;}
.start-btn{margin-top:auto;background:var(--series-1);color:#fff;border:none;border-radius:var(--radius-sm);padding:10px 14px;font-weight:700;font-size:.88rem;text-align:center;}
.form-card{max-width:420px;margin:34px auto;background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);}
.form-card h1{font-size:1.3rem;margin:0 0 18px;text-align:center;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:.85rem;font-weight:700;margin-bottom:5px;}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--page);color:var(--text-primary);font-size:.95rem;}
.field textarea{resize:vertical;min-height:80px;}
.btn{display:inline-block;background:var(--series-1);color:#fff;border:none;border-radius:var(--radius-sm);padding:11px 18px;font-weight:700;font-size:.92rem;cursor:pointer;text-align:center;}
.btn.secondary{background:transparent;color:var(--series-1);border:1px solid var(--series-1);}
.btn.danger{background:var(--critical);}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;}
.foot-link{text-align:center;margin-top:14px;font-size:.85rem;color:var(--text-secondary);}
.cat-badge{display:inline-flex;align-items:center;gap:5px;font-size:.75rem;font-weight:700;padding:3px 9px;border-radius:20px;color:#fff;}
.exam-shell{max-width:760px;margin:0 auto;}
.exam-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border);margin-bottom:16px;position:sticky;top:0;background:var(--page);z-index:10;}
.timer{font-weight:800;font-variant-numeric:tabular-nums;font-size:1.05rem;}
.timer.low{color:var(--critical);}
.q-progress{font-size:.85rem;color:var(--text-secondary);}
.q-card{background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);}
.q-text{font-size:1.05rem;font-weight:600;line-height:1.5;margin:6px 0 18px;}
.option{display:block;width:100%;text-align:left;padding:12px 14px;margin-bottom:10px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--page);font-size:.94rem;}
.option:hover{border-color:var(--series-1);}
.option.selected{border-color:var(--series-1);background:color-mix(in srgb, var(--series-1) 12%, var(--page));font-weight:700;}
.q-nav{display:flex;justify-content:space-between;gap:10px;margin-top:18px;}
.answer-sheet{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;margin:16px 0;}
.answer-sheet button{aspect-ratio:1;border-radius:8px;border:1px solid var(--border);background:var(--surface-1);font-size:.78rem;font-weight:700;}
.answer-sheet button.answered{background:var(--series-1);color:#fff;border-color:var(--series-1);}
.answer-sheet button.current{outline:2px solid var(--series-3);outline-offset:1px;}
.score-card{text-align:center;background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius);padding:30px 20px;box-shadow:var(--shadow-md);}
.score-num{font-size:3rem;font-weight:800;}
.pass-badge{display:inline-block;margin-top:8px;padding:6px 16px;border-radius:20px;font-weight:800;font-size:.9rem;}
.pass-badge.pass{background:color-mix(in srgb, var(--good) 18%, transparent);color:var(--good);}
.pass-badge.fail{background:color-mix(in srgb, var(--critical) 18%, transparent);color:var(--critical);}
.stat-row{display:flex;justify-content:center;gap:22px;margin-top:18px;flex-wrap:wrap;}
.stat-item{text-align:center;}
.stat-item .n{font-size:1.4rem;font-weight:800;}
.stat-item .l{font-size:.78rem;color:var(--text-muted);}
.review-item{background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;margin-bottom:10px;}
.review-item.correct{border-left:4px solid var(--good);}
.review-item.wrong{border-left:4px solid var(--critical);}
.review-item.blank{border-left:4px solid var(--text-muted);}
.review-opt{padding:6px 10px;border-radius:8px;font-size:.86rem;margin:4px 0;}
.review-opt.correct-ans{background:color-mix(in srgb, var(--good) 16%, transparent);font-weight:700;}
.review-opt.wrong-ans{background:color-mix(in srgb, var(--critical) 16%, transparent);font-weight:700;}
.explanation{font-size:.85rem;color:var(--text-secondary);margin-top:8px;padding-top:8px;border-top:1px dashed var(--border);}
.ad-slot{margin:20px 0;text-align:center;}
.ad-slot .ad-label{font-size:.68rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px;}
.ad-slot img{max-width:100%;border-radius:var(--radius-sm);}
footer{text-align:center;padding:26px 16px;color:var(--text-muted);font-size:.8rem;border-top:1px solid var(--border);margin-top:40px;}
details.info-block{background:var(--surface-1);border:1px solid var(--border);border-radius:var(--radius);padding:4px 16px;margin:14px 0;}
details.info-block summary{cursor:pointer;padding:12px 0;font-weight:700;list-style:none;}
details.info-block summary::-webkit-details-marker{display:none;}
details.info-block[open] summary{border-bottom:1px solid var(--border);}
details.info-block .body{padding:12px 0;font-size:.9rem;color:var(--text-secondary);line-height:1.6;}
.table-wrap{overflow-x:auto;}
table.admin-table{width:100%;border-collapse:collapse;font-size:.88rem;}
table.admin-table th,table.admin-table td{padding:9px 10px;border-bottom:1px solid var(--border);text-align:left;}
table.admin-table th{color:var(--text-muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;}
.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:.72rem;font-weight:700;}
.badge.on{background:color-mix(in srgb, var(--good) 16%, transparent);color:var(--good);}
.badge.off{background:color-mix(in srgb, var(--text-muted) 16%, transparent);color:var(--text-muted);}
.admin-shell{display:flex;min-height:100vh;}
.admin-side{width:230px;flex-shrink:0;background:var(--asphalt);padding:20px 0;position:relative;}
.admin-side a{display:block;padding:11px 20px;font-size:.88rem;color:#c7c9d1;font-weight:600;border-left:3px solid transparent;}
.admin-side a.active,.admin-side a:hover{background:rgba(255,204,0,.1);color:var(--rt-yellow);font-weight:800;border-left-color:var(--rt-yellow);}
.admin-brand{display:flex;align-items:center;gap:10px;padding:2px 20px 18px;font-weight:900;color:#fff;font-size:.98rem;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:10px;}
.admin-brand .logo{width:32px;height:32px;background:var(--rt-yellow);border:2px solid var(--edge);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.9rem;flex-shrink:0;}
.admin-brand .logo-img{height:34px;width:auto;max-width:180px;object-fit:contain;flex-shrink:0;background:transparent;border:0;border-radius:0;box-shadow:none;}
.admin-nav-links a[href^="/admin/logout"],.admin-nav-links a[href="/"]{margin-top:6px;color:#8f939c;}
.admin-nav-toggle{display:none;}
.admin-main{flex:1;padding:26px 30px;max-width:1200px;}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:22px;}
.stat-box{background:var(--surface-1);border:2px solid var(--edge);border-radius:14px;padding:16px;}
.stat-box .n{font-size:1.6rem;font-weight:900;color:var(--text-primary);}
.stat-box .l{font-size:.78rem;color:var(--text-muted);font-weight:600;}
@media (max-width:840px){
.admin-shell{flex-direction:column;}
.admin-nav-toggle{display:flex;align-items:center;gap:8px;width:calc(100% - 24px);margin:12px;background:var(--edge);color:#fff;border:none;border-radius:10px;padding:12px 16px;font-weight:800;font-size:.9rem;}
.admin-side{width:100%;padding:0;max-height:0;overflow:hidden;transition:max-height .2s ease;}
.admin-side.open{max-height:640px;overflow-y:auto;padding-bottom:10px;}
.admin-brand{display:none;}
.admin-side a{padding:12px 20px;}
.answer-sheet{grid-template-columns:repeat(8,1fr);}
}
.rte-root{border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;background:var(--page);}
.rte-toolbar{display:flex;flex-wrap:wrap;gap:2px;padding:6px;background:var(--surface-1);border-bottom:1px solid var(--border);}
.rte-btn{border:1px solid transparent;background:none;border-radius:6px;padding:6px 9px;font-size:.85rem;font-weight:700;color:var(--text-primary);cursor:pointer;}
.rte-btn:hover{background:var(--page);border-color:var(--border);}
.rte-btn:disabled{opacity:.5;cursor:default;}
.rte-sep{width:1px;background:var(--border);margin:4px 4px;}
.rte-editable{min-height:280px;max-height:600px;overflow-y:auto;padding:14px 16px;font-size:.95rem;line-height:1.65;}
.rte-editable:focus{outline:none;}
.rte-editable h2{font-size:1.15rem;margin:16px 0 8px;}
.rte-editable h3{font-size:1.02rem;margin:14px 0 6px;}
.rte-editable p{margin:0 0 10px;}
.rte-editable blockquote{border-left:3px solid var(--series-1);margin:10px 0;padding:4px 14px;color:var(--text-secondary);}
.rte-editable img{display:block;margin:10px 0;}
.rte-editable ul,.rte-editable ol{padding-left:22px;margin:0 0 10px;}
.rte-source{width:100%;min-height:280px;max-height:600px;border:none;padding:14px 16px;font-family:monospace;font-size:.82rem;background:var(--page);color:var(--text-primary);resize:vertical;}
.seo-count{font-weight:700;color:var(--text-muted);}
.search-box{display:flex;gap:8px;margin:14px 0 20px;}
.search-box input[type="search"]{flex:1;padding:10px 14px;border-radius:10px;border:1px solid var(--border);background:var(--surface-1);color:var(--text-primary);font-size:.92rem;}
.search-box button{white-space:nowrap;}
.search-meta{color:var(--text-muted);font-size:.85rem;margin:0 0 14px;}
.solved-chip{display:inline-flex;align-items:center;gap:5px;font-size:.76rem;color:var(--text-muted);margin-top:4px;}
.site{--ti-gold:#FCCC00;--ti-red:#FA0014;--ti-blue:#0046DC;--ti-green:#00C81E;}
.site .topbar{padding:14px 16px;position:relative;}
.site .topbar .brand{font-weight:900;letter-spacing:-.01em;}
.site .topbar .brand .logo{width:34px;height:34px;background:var(--rt-yellow);border:2.5px solid var(--edge);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.95rem;line-height:1;box-shadow:2px 2px 0 var(--edge);}
.site .topbar .brand .logo-img{height:44px;width:auto;max-width:240px;object-fit:contain;flex-shrink:0;background:transparent;border:0;border-radius:0;box-shadow:none;}
.site .nav-toggle{display:none;width:38px;height:38px;border-radius:9px;border:2px solid var(--edge);background:var(--surface-1);font-size:1.05rem;align-items:center;justify-content:center;}
.site .right{gap:10px;}
.site .right .text-link{font-weight:700;color:var(--text-primary);}
.site .right .nav-icon-link{white-space:nowrap;}
.site .pill-btn{display:inline-block;background:var(--edge);color:var(--rt-yellow);padding:9px 18px;border-radius:9px;font-weight:800;font-size:.84rem;}
.site .icon-btn{border-radius:9px;border:2px solid var(--edge);}
@media (max-width:760px){
.site .nav-toggle{display:flex;}
.site .right{position:absolute;top:calc(100% + 6px);right:16px;left:16px;background:var(--surface-1);border:2px solid var(--edge);border-radius:14px;padding:12px;flex-direction:column;align-items:stretch;gap:4px;box-shadow:var(--shadow-lg);display:none;z-index:60;}
.site .right.open{display:flex;}
.site .right .text-link,.site .right .pill-btn{padding:10px 12px;border-radius:9px;}
.site .right .text-link:hover{background:var(--page);}
.site .right #themeToggleBtn{align-self:flex-start;margin-top:4px;}
.site .topbar .brand .logo-img{height:34px;max-width:170px;}
}
.site .hero{background:var(--ti-gold);border-radius:28px;padding:0;position:relative;overflow:hidden;margin-top:6px;}
.site .hazard-strip{display:none;}
.site .hero-inner{position:relative;padding:44px 24px 40px;text-align:center;overflow:hidden;}
.site .hero-inner::before{content:'';position:absolute;top:26px;left:36px;width:60px;height:60px;border-radius:50%;background:var(--ti-green);opacity:.16;pointer-events:none;}
.site .hero-inner::after{content:'';position:absolute;bottom:20px;right:50px;width:80px;height:80px;border-radius:50%;background:var(--ti-blue);opacity:.14;pointer-events:none;}
.site .perspective-lines{display:none;}
.site .road-line{display:none;}
.site .hero .badge{position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;background:#fff;border:none;color:#8a6a00;border-radius:999px;padding:8px 18px;font-size:.78rem;font-weight:800;margin-bottom:22px;}
.site .hero h1{position:relative;z-index:1;color:#1a1a1a;font-size:2.2rem;font-weight:900;line-height:1.2;margin:0 0 14px;letter-spacing:-.015em;}
.site .hero h1 .accent{color:var(--ti-red);}
.site .hero p{position:relative;z-index:1;color:#4a3f00;font-size:.95rem;max-width:560px;margin:0 auto 28px;line-height:1.6;}
.site .hero-cta{position:relative;z-index:1;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.site .btn-primary{background:var(--ti-red);color:#fff;padding:15px 30px;border-radius:999px;font-weight:900;font-size:.94rem;border:none;display:inline-block;box-shadow:0 10px 26px rgba(250,0,20,.3);}
.site .btn-ghost{background:#1a1a1a;border:none;color:#fff;padding:14px 26px;border-radius:999px;font-weight:800;font-size:.92rem;display:inline-block;}
.site .stats-row{position:relative;z-index:1;display:flex;justify-content:center;gap:14px;margin-top:34px;flex-wrap:wrap;}
.site .stat{background:#fff;border:none;border-radius:999px;padding:12px 24px;text-align:center;min-width:100px;}
.site .stat .n{font-size:1.3rem;font-weight:900;color:var(--ti-red);}
.site .stat .l{font-size:.7rem;color:#7a6f30;margin-top:2px;font-weight:700;}
.site .stat.gauge{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px 20px;}
.site .gauge-ring{width:44px;height:44px;border-radius:50%;background:conic-gradient(var(--ti-red) 0% 70%, rgba(0,0,0,.08) 70% 100%);display:flex;align-items:center;justify-content:center;margin-bottom:4px;}
.site .gauge-ring span{width:34px;height:34px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;font-size:.66rem;font-weight:900;color:#1a1a1a;}
.site .section-heading h2{font-weight:900;font-size:1.2rem;}
.site .card,.site .form-card,.site .score-card,.site .review-item{border:2px solid var(--edge);border-radius:14px;box-shadow:none;}
.site .exam-card{position:relative;transition:.15s;border:3px solid var(--edge);border-radius:22px;box-shadow:none;}
.site .exam-card:hover{transform:translateY(-3px);box-shadow:4px 4px 0 var(--edge);border-color:var(--edge);}
.site .exam-card .sign{position:absolute;top:-10px;right:14px;width:32px;height:32px;border-radius:50%;background:var(--ti-red);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.76rem;font-weight:900;border:3px solid #fff;box-shadow:0 3px 8px rgba(0,0,0,.15);}
.site .exam-card h3{padding-right:8px;font-weight:800;}
.site .exam-card .best-chip{background:#EAFBEE;color:#0a9418;font-weight:800;}
.site .solved-chip{background:#EAFBEE;color:#0a9418;display:inline-flex;padding:4px 10px;border-radius:999px;font-weight:800;width:fit-content;}
.site .btn{background:var(--edge);color:#fff;border-radius:10px;font-weight:800;border:2px solid var(--edge);}
.site .btn.secondary{background:var(--surface-1);color:var(--edge);border:2px solid var(--edge);}
.site .btn.danger{background:var(--rt-red);border-color:var(--rt-red);color:#fff;}
.site .start-btn{background:var(--ti-gold);color:#1a1a1a;border-radius:999px;font-weight:800;}
.site .text-link{color:var(--rt-blue);}
.site .quiz-banner{margin:34px 0;background:var(--ti-blue);border-radius:26px;padding:26px 28px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;color:#fff;position:relative;overflow:hidden;}
.site .quiz-banner::before{display:none;}
.site .quiz-banner-info{display:flex;align-items:center;gap:16px;}
.site .quiz-banner .icon-wrap{width:52px;height:52px;background:var(--ti-gold);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0;}
.site .quiz-banner h3{margin:0 0 4px;font-size:1.08rem;font-weight:900;}
.site .quiz-banner p{margin:0;color:#d8e2ff;font-size:.86rem;}
.site .quiz-banner .btn-primary{background:#fff;color:var(--ti-blue);box-shadow:none;padding:12px 24px;}
.site .field input,.site .field select,.site .field textarea{border:2px solid var(--border);border-radius:10px;}
.site .field input:focus,.site .field select:focus,.site .field textarea:focus{border-color:var(--rt-blue);}
.site .exam-topbar{background:var(--asphalt);border-radius:14px;padding:14px 20px;border-bottom:none;position:sticky;top:8px;}
.site .exam-topbar .q-progress{color:#fff;font-weight:800;background:rgba(255,255,255,.08);padding:6px 12px;border-radius:999px;font-size:.8rem;}
.site .exam-topbar .timer{background:var(--rt-yellow);color:var(--edge);padding:7px 14px;border-radius:9px;font-weight:900;}
.site .exam-topbar .timer.low{background:var(--rt-red);color:#fff;}
.site .q-card{border:2px solid var(--edge);border-radius:16px;box-shadow:4px 4px 0 var(--edge);margin-top:16px;}
.site .cat-badge{font-weight:800;}
.site .option{border:2px solid var(--border);border-radius:10px;font-weight:700;}
.site .option:hover{border-color:var(--edge);}
.site .option.selected{border-color:var(--rt-blue);background:color-mix(in srgb, var(--rt-blue) 10%, var(--surface-1));box-shadow:2px 2px 0 var(--rt-blue);}
.site .answer-sheet button{border:2px solid var(--border);border-radius:8px;font-weight:800;}
.site .answer-sheet button.answered{background:var(--rt-green);border-color:var(--rt-green);}
.site .answer-sheet button.current{outline:3px solid var(--rt-yellow-deep);outline-offset:1px;}
.site .score-card{box-shadow:4px 4px 0 var(--edge);}
.site .pass-badge.pass{background:color-mix(in srgb, var(--rt-green) 16%, transparent);color:var(--rt-green);}
.site .pass-badge.fail{background:color-mix(in srgb, var(--rt-red) 16%, transparent);color:var(--rt-red);}
.site .review-item.correct{border-left:4px solid var(--rt-green);}
.site .review-item.wrong{border-left:4px solid var(--rt-red);}
.site footer{border-top:3px dashed var(--border);}
.site .search-box input[type="search"]{border:2px solid var(--border);border-radius:10px;}
.admin-rt{background:var(--page);}
.admin-rt h1{font-weight:900;letter-spacing:-.01em;}
.admin-rt .section-heading h2{font-weight:900;}
.admin-rt .card,.admin-rt .form-card{border:2px solid var(--edge);border-radius:14px;box-shadow:none;}
.admin-rt .field input,.admin-rt .field select,.admin-rt .field textarea{border:2px solid var(--border);border-radius:10px;}
.admin-rt .field input:focus,.admin-rt .field select:focus,.admin-rt .field textarea:focus{border-color:var(--rt-blue);}
.admin-rt .field input[type="checkbox"]{width:auto;}
.admin-rt .btn{background:var(--edge);color:#fff;border:2px solid var(--edge);border-radius:10px;font-weight:800;transition:.12s;}
.admin-rt .btn:hover{box-shadow:3px 3px 0 color-mix(in srgb, var(--edge) 30%, transparent);transform:translateY(-1px);}
.admin-rt .btn.secondary{background:var(--surface-1);color:var(--edge);border:2px solid var(--edge);}
.admin-rt .btn.danger{background:var(--rt-red);border-color:var(--rt-red);}
.admin-rt .badge.on{background:color-mix(in srgb, var(--rt-green) 16%, transparent);color:var(--rt-green);font-weight:800;}
.admin-rt .badge.off{background:color-mix(in srgb, var(--text-muted) 16%, transparent);color:var(--text-muted);font-weight:800;}
.admin-rt .flash{border-width:2px;border-radius:10px;font-weight:600;}
.admin-rt .text-link{color:var(--rt-blue);font-weight:700;}
.admin-rt .table-wrap{border:2px solid var(--edge);border-radius:12px;overflow:hidden;}
.admin-rt table.admin-table{font-size:.86rem;}
.admin-rt table.admin-table thead th{background:var(--asphalt);color:#fff;font-weight:800;letter-spacing:.03em;}
.admin-rt table.admin-table tbody tr:hover{background:color-mix(in srgb, var(--rt-yellow) 8%, transparent);}
.admin-rt table.admin-table td,.admin-rt table.admin-table th{border-bottom:1px solid var(--border);}
.admin-rt .stat-box .n{position:relative;}
.admin-rt .current-logo-preview{width:40px;height:40px;border:2px solid var(--edge);border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:1.1rem;background:var(--rt-yellow);}
.admin-rt img.current-logo-preview{object-fit:cover;background:#fff;}
.admin-rt .rte-root{border:2px solid var(--edge);border-radius:12px;}
.admin-rt .rte-toolbar{background:var(--page);}
.admin-rt .rte-btn:hover{background:var(--surface-1);border-color:var(--edge);}
.admin-rt .seo-count{color:var(--rt-blue);}
body.admin-login-page{background:var(--asphalt);min-height:100vh;position:relative;}
body.admin-login-page::before,body.admin-login-page::after{content:'';position:fixed;left:0;right:0;height:8px;background:repeating-linear-gradient(-45deg,var(--rt-yellow) 0 16px,var(--edge) 16px 32px);z-index:1;}
body.admin-login-page::before{top:0;}
body.admin-login-page::after{bottom:0;}
.admin-login-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;padding:40px 16px;}
.admin-login-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:900;font-size:1.05rem;}
.admin-login-brand .logo{width:38px;height:38px;background:var(--rt-yellow);border:2.5px solid var(--edge);border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:1rem;box-shadow:2px 2px 0 var(--edge);}
.admin-login-brand .logo-img{height:56px;width:auto;max-width:260px;object-fit:contain;flex-shrink:0;background:transparent;border:0;border-radius:0;box-shadow:none;}
.admin-login-page .form-card{background:var(--surface-1);width:100%;max-width:380px;margin:0;box-shadow:0 20px 50px rgba(0,0,0,.35);}
.admin-login-page .form-card h1{font-weight:900;}
.admin-login-page .btn{width:100%;background:var(--rt-yellow);color:var(--edge);border-color:var(--rt-yellow);}
.admin-login-page .btn:hover{box-shadow:3px 3px 0 var(--edge);}