/* Free DMV Test — Shared Styles v1.0 */
:root{--bg:#e4e9f0;--card:#fff;--navy:#0f2744;--blue:#1a5dab;--blue-light:#e8f0fb;--accent:#e8a020;--accent-light:#fff5e0;--green:#1a8a4a;--green-light:#e6f7ee;--red:#d63030;--red-light:#fdecea;--gray:#64748b;--gray-light:#f1f5f9;--border:#e2e8f0;--text:#1e293b;--text-muted:#64748b;--shadow:0 2px 16px rgba(0,0,0,.08);--shadow-lg:0 8px 40px rgba(0,0,0,.14)}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
.topbar{background:var(--navy);color:#fff;padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:200;box-shadow:0 2px 12px rgba(0,0,0,.25)}
.ad-slot{width:100%;max-width:728px;margin:16px auto;min-height:90px;display:flex;align-items:center;justify-content:center;border-radius:8px;overflow:hidden}
.ad-slot-side{max-width:300px;min-height:250px}
.ad-slot-banner{max-width:728px;min-height:90px}
.ad-slot-mobile{display:none}
@media(max-width:580px){.ad-slot-mobile{display:flex}.ad-slot-desktop{display:none}}
.resource-nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:28px}
.res-btn{display:flex;align-items:center;gap:10px;background:#fff;border:2px solid transparent;border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--text);transition:all .2s;cursor:pointer;box-shadow:0 3px 16px rgba(15,39,68,.06)}
.res-btn:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:0 6px 24px rgba(26,93,171,.12)}
.res-btn .res-icon{font-size:22px;flex-shrink:0}
.res-btn .res-text{flex:1;min-width:0}
.res-btn .res-title{font-size:13px;font-weight:700;color:var(--navy);line-height:1.2}
.res-btn .res-desc{font-size:10.5px;color:var(--gray);line-height:1.3;margin-top:2px}
.topbar-logo{display:flex;align-items:center;gap:10px;font-family:'Sora',sans-serif;font-weight:700;font-size:15px;color:#fff;letter-spacing:.3px}
.topbar-logo .tag{background:var(--accent);color:var(--navy);font-size:9px;font-weight:700;letter-spacing:1px;padding:2px 6px;border-radius:3px;margin-left:4px;text-transform:uppercase}
.topbar-right{display:flex;align-items:center;gap:16px}
.topbar-timer{font-family:'Sora',monospace;font-size:17px;font-weight:700;color:var(--accent);letter-spacing:1px;display:none}
.topbar-timer.show{display:block}
.topbar-timer.urgent{color:#ff5555;animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.topbar-score-pill{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:20px;padding:4px 12px;font-size:12px;color:rgba(255,255,255,.8);display:none}
.topbar-score-pill.show{display:block}
.topbar-mode{position:absolute;left:50%;transform:translateX(-50%);font-family:'Sora',sans-serif;font-size:14px;font-weight:700;color:#f5d070;letter-spacing:.5px;display:none;white-space:nowrap}
.topbar-mode.show{display:block}
@media(max-width:580px){.topbar-mode{font-size:11px}}
.screen{display:none}.screen.active{display:block}
/* HOME */
#home{max-width:920px;margin:0 auto;padding:32px 16px 60px}
.hero{background:linear-gradient(135deg,#1a3d6d 0%,#2a5a9e 50%,#1e4d85 100%);border-radius:18px;padding:48px 36px;margin-bottom:28px;position:relative;overflow:hidden;box-shadow:var(--shadow-lg);text-align:center}
.hero::before{content:'';position:absolute;top:-60%;right:-30%;width:80%;height:160%;background:radial-gradient(circle,rgba(245,208,112,.08) 0%,transparent 60%);pointer-events:none}
.hero-map-bg{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:140%;height:140%;opacity:.3;pointer-events:none;z-index:0}
.hero-map-bg .map-state{fill:rgba(255,255,255,.15);stroke:rgba(255,255,255,.6);stroke-width:1}
.hero-map-bg .map-highlight{fill:#ffd54a;stroke:#fff5bf;stroke-width:2.5;filter:url(#stateGlow);animation:statePulse 2.1s ease-in-out infinite;opacity:1}
.hero-map-bg .map-nation{fill:none;stroke:rgba(255,255,255,.35);stroke-width:2}
.hero>*:not(.hero-map-bg){position:relative;z-index:1}
@keyframes statePulse{0%,100%{filter:url(#stateGlow);opacity:.85}50%{filter:url(#stateGlowStrong);opacity:1}}
.hero-kicker{font-size:12px;font-weight:700;letter-spacing:2px;color:rgba(245,208,112,.9);text-transform:uppercase;margin-bottom:14px}
.hero h1{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(28px,5.5vw,42px);color:#fff;line-height:1.15;margin-bottom:14px}
.hero h1 span{color:#f5d070}
.hero p{color:rgba(255,255,255,.7);font-size:16px;line-height:1.6;max-width:560px;margin:0 auto 24px}
.hero-btn{display:inline-block;background:#f5d070;color:#1a3d6d;font-weight:800;font-size:18px;padding:16px 40px;border-radius:12px;text-decoration:none;cursor:pointer;border:none;transition:transform .2s;box-shadow:0 4px 20px rgba(245,208,112,.3)}
.hero-btn:hover{transform:translateY(-2px)}
.hero-stats{display:flex;justify-content:center;gap:32px;margin-top:28px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat .n{font-family:'Sora',sans-serif;font-weight:800;font-size:28px;color:#fff}
.hero-stat .l{font-size:11px;color:rgba(255,255,255,.5);font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.section-title{font-family:'Sora',sans-serif;font-weight:700;font-size:16px;color:var(--navy);margin-bottom:14px;margin-top:4px}
.book-banner{background:linear-gradient(135deg,#1a3d6d 0%,#2a5a9e 50%,#1e4d85 100%);border-radius:14px;padding:22px 28px;cursor:pointer;transition:all .2s;box-shadow:0 4px 20px rgba(26,61,109,.3);position:relative;overflow:hidden;margin-bottom:24px;display:flex;align-items:center;gap:22px;touch-action:manipulation;-webkit-tap-highlight-color:rgba(245,208,112,.15)}
.book-banner:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(26,61,109,.4)}
.book-banner::before{content:'';position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:rgba(245,208,112,.1)}
.book-banner::after{content:'';position:absolute;right:40px;bottom:-30px;width:100px;height:100px;border-radius:50%;background:rgba(255,255,255,.05)}
.book-banner .bb-icon{font-size:42px;flex-shrink:0}
.book-banner .bb-content{flex:1;min-width:0}
.book-banner .bb-badge{display:inline-block;font-size:10px;font-weight:700;letter-spacing:1px;padding:3px 10px;border-radius:10px;background:rgba(245,208,112,.9);color:#1a3d6d;text-transform:uppercase;margin-bottom:8px}
.book-banner h3{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(17px,3.5vw,21px);color:#fff;margin-bottom:4px;line-height:1.3}
.book-banner h3 span{color:#f5d070}
.book-banner p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.5;margin-bottom:10px}
.book-banner .bb-pills{display:flex;gap:8px;flex-wrap:wrap}
.book-banner .bb-pill{font-size:11px;font-weight:600;color:rgba(255,255,255,.7);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12);padding:3px 10px;border-radius:6px}
.bb-blink{display:inline-block;font-size:11px;font-weight:800;letter-spacing:1px;padding:4px 12px;border-radius:8px;background:#cc0000;color:#fff;text-transform:uppercase;margin-left:10px;animation:blink-pulse 1.2s ease-in-out infinite}
@keyframes blink-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.95)}}
.book-banner:hover .bb-arrow{transform:translateX(4px);color:rgba(255,255,255,.6)}
@media(max-width:500px){.book-banner{flex-direction:column;text-align:center;padding:20px 18px}.book-banner .bb-pills{justify-content:center}.book-banner .bb-arrow{display:none}}
.mode-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;margin-bottom:28px}
.mode-card{background:var(--card);border-radius:14px;border:2px solid transparent;padding:22px 22px 18px;cursor:pointer;transition:all .2s;box-shadow:0 4px 20px rgba(15,39,68,.08);position:relative;overflow:hidden;touch-action:manipulation;-webkit-tap-highlight-color:rgba(26,93,171,.1)}
.mode-card:hover{border-color:var(--blue);transform:translateY(-3px);box-shadow:0 8px 32px rgba(26,93,171,.15)}
.mode-card.featured{border-color:transparent;background:linear-gradient(135deg,#f5f8ff,#fff);box-shadow:0 6px 28px rgba(26,93,171,.12)}
.mode-card.featured:hover{border-color:var(--blue)}
.mode-card .badge{position:absolute;top:12px;right:12px;font-size:10px;font-weight:700;letter-spacing:1px;padding:3px 8px;border-radius:10px;text-transform:uppercase}
.badge-real{background:var(--blue);color:#fff}.badge-hot{background:var(--accent);color:var(--navy)}
.mode-card .icon{font-size:32px;margin-bottom:10px}
.mode-card h3{font-family:'Sora',sans-serif;font-weight:700;font-size:16px;color:var(--navy);margin-bottom:5px}
.mode-card p{font-size:12.5px;color:var(--text-muted);line-height:1.5;margin-bottom:12px}
.mode-card .meta{display:flex;gap:10px;flex-wrap:wrap}
.mode-card .meta span{font-size:11px;font-weight:600;color:var(--gray);background:var(--gray-light);padding:3px 8px;border-radius:4px}
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(195px,1fr));gap:10px;margin-bottom:28px}
.topic-card{background:var(--card);border-radius:12px;border:1.5px solid transparent;padding:13px 15px;cursor:pointer;transition:all .18s;display:flex;align-items:center;gap:11px;box-shadow:0 3px 16px rgba(15,39,68,.06)}
.topic-card:hover{border-color:var(--blue);background:var(--blue-light);transform:translateX(3px);box-shadow:0 6px 24px rgba(26,93,171,.12)}
.topic-card .t-icon{font-size:21px;flex-shrink:0}
.topic-card h4{font-size:12.5px;font-weight:600;color:var(--navy);margin-bottom:2px}
.topic-card p{font-size:11px;color:var(--text-muted)}
.topic-card .t-count{margin-left:auto;font-size:11px;font-weight:700;color:var(--blue);background:var(--blue-light);padding:2px 7px;border-radius:10px;flex-shrink:0}
.need-to-know{background:linear-gradient(135deg,#edf2fa 0%,#f5f8ff 50%,#e8eef8 100%);border:2px solid #c8d8f0;border-radius:14px;padding:18px 20px;margin-bottom:28px;overflow:hidden;position:relative;box-shadow:0 4px 16px rgba(26,61,109,.08)}
.need-to-know::before{content:'';position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle at 70% 30%,rgba(26,93,171,.04) 0%,transparent 50%);pointer-events:none}
.ntk-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.ntk-header h4{font-weight:700;font-size:14px;color:#1a3d6d;margin:0;display:flex;align-items:center;gap:7px}
.ntk-live{font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:#fff;background:#cc0000;padding:3px 10px;border-radius:6px;animation:ntk-pulse 1.5s ease-in-out infinite;display:flex;align-items:center;gap:5px}
.ntk-live::before{content:'';width:6px;height:6px;border-radius:50%;background:#fff;animation:ntk-dot 1.5s ease-in-out infinite}
@keyframes ntk-pulse{0%,100%{opacity:1}50%{opacity:.6}}
@keyframes ntk-dot{0%,100%{opacity:1;box-shadow:0 0 4px #fff}50%{opacity:.3;box-shadow:none}}
.ntk-row{display:flex;gap:10px;transition:opacity .35s ease,transform .35s ease;opacity:1;transform:translateY(0)}
.ntk-row.fade{opacity:0;transform:translateY(-6px)}
.ntk-item{flex:1;font-size:13px;font-weight:600;color:#1a3d6d;background:#fff;border:1px solid #d0dff0;border-radius:10px;padding:12px 14px;text-align:center;box-shadow:0 2px 8px rgba(26,61,109,.06);line-height:1.4;display:flex;align-items:center;justify-content:center}
.ntk-item .ntk-num{color:#1a5dab;font-weight:800;white-space:nowrap}
@media(max-width:580px){.ntk-row{flex-direction:column;gap:7px}.ntk-item{padding:10px 14px;font-size:12.5px}}
/* QUIZ */
#quiz{max-width:740px;margin:0 auto;padding:28px 16px 80px}
.quiz-header{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}
.quiz-header-top{display:flex;align-items:center;gap:10px}
.quiz-back{background:var(--card);border:1.5px solid var(--border);border-radius:8px;padding:7px 14px;font-size:13px;font-weight:500;color:var(--navy);cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:6px}
.quiz-back:hover{background:var(--gray-light)}
.quiz-info{flex:1}
.quiz-mode-label{font-family:'Sora',sans-serif;font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--navy);margin-bottom:4px;line-height:1.2}
.quiz-mode-label.exam-mode{font-size:24px;color:#fff;background:linear-gradient(135deg,#1a3d6d,#2a5a9e);padding:10px 22px;border-radius:10px;text-align:center;box-shadow:0 3px 12px rgba(26,61,109,.25)}
@media(max-width:580px){.quiz-mode-label{font-size:17px}.quiz-mode-label.exam-mode{font-size:20px;padding:8px 16px}}
.live-score-bar{display:flex;gap:8px;margin-bottom:16px;justify-content:center}
.ls-item{flex:1;max-width:120px;text-align:center;padding:10px 8px;border-radius:12px;background:var(--card);box-shadow:0 2px 8px rgba(0,0,0,.06);border:1.5px solid var(--border)}
.ls-num{font-family:'Sora',sans-serif;font-size:22px;font-weight:800;line-height:1.2}
.ls-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-top:2px}
.ls-correct .ls-num{color:#1a8a4a}
.ls-correct{border-color:#b6e8cc;background:#f0faf4}
.ls-wrong .ls-num{color:#dc3545}
.ls-wrong{border-color:#f5c0bb;background:#fef5f5}
.ls-remain .ls-num{color:var(--blue)}
.ls-remain{border-color:#c8d8f0;background:#f0f5fb}
.ls-pct .ls-num{color:var(--navy)}
.ls-pct{border-color:#dce4ee;background:#f8fafc}
@media(max-width:580px){.live-score-bar{gap:6px}.ls-item{padding:8px 4px}.ls-num{font-size:18px}.ls-label{font-size:9px}}
.q-progress-wrap{display:flex;align-items:center;gap:10px}
.q-progress-track{flex:1;height:6px;background:var(--border);border-radius:3px;overflow:hidden}
.q-progress-fill{height:100%;background:var(--blue);border-radius:3px;transition:width .4s ease}
.q-num-label{font-size:12px;font-weight:600;color:var(--navy);white-space:nowrap}
.q-card{background:var(--card);border-radius:16px;box-shadow:var(--shadow-lg);padding:28px 28px 24px;margin-bottom:16px;animation:slideUp .3s ease}
@keyframes slideUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.q-category-tag{display:none}
.quiz-mode-mini{text-align:center;font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.5px;margin-bottom:6px;display:none}
.quiz-mode-mini.show{display:block}
.q-text{font-size:17px;font-weight:500;color:var(--text);line-height:1.55;margin-bottom:22px}
.q-img-wrap{text-align:center;margin-bottom:18px}
.q-sign-img{max-width:260px;max-height:180px;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,.1);background:#f8fafc;padding:12px;object-fit:contain}
.q-fallback-img{max-width:750px;max-height:250px;width:100%;box-shadow:none;padding:0;opacity:.85;border-radius:10px}
@media(max-width:580px){.q-sign-img{max-width:200px;max-height:140px;padding:8px}.q-fallback-img{max-width:100%;max-height:200px}}

.options-list{display:flex;flex-direction:column;gap:9px}
.opt{background:var(--gray-light);border:2px solid var(--border);border-radius:10px;padding:14px 18px;cursor:pointer;display:flex;align-items:flex-start;gap:12px;transition:all .18s;font-size:14.5px;color:var(--text);line-height:1.4;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none}
.opt:not(.locked):hover{background:var(--blue-light);border-color:var(--blue);color:var(--navy)}
.opt-letter{width:26px;height:26px;flex-shrink:0;border-radius:6px;background:#fff;border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--gray);transition:all .18s}
.opt:not(.locked):hover .opt-letter{background:var(--blue);border-color:var(--blue);color:#fff}
.opt.correct{background:var(--green-light)!important;border-color:var(--green)!important;color:var(--green)!important}
.opt.correct .opt-letter{background:var(--green);border-color:var(--green);color:#fff}
.opt.wrong{background:var(--red-light)!important;border-color:var(--red)!important;color:var(--red)!important}
.opt.wrong .opt-letter{background:var(--red);border-color:var(--red);color:#fff}
.opt.muted{opacity:.35;cursor:default}.opt.locked{cursor:default}
.feedback-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:999;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(3px)}
.feedback-overlay.show{display:flex}
.feedback-box{border-radius:18px;padding:28px 32px;max-width:480px;width:100%;text-align:center;animation:popIn .3s ease;box-shadow:0 12px 40px rgba(0,0,0,.25)}
@keyframes popIn{0%{transform:scale(.85);opacity:0}100%{transform:scale(1);opacity:1}}
.feedback-box.fb-ok{background:#fff;border:2px solid #b6e8cc}
.feedback-box.fb-no{background:#fff;border:2px solid #f5c0bb}
.feedback-box.fb-skip{background:#fff;border:2px solid #f5dfa0}
.fb-icon{font-size:40px;margin-bottom:10px}
.fb-title{font-weight:700;font-size:17px;margin-bottom:8px}
.fb-ok .fb-title{color:var(--green)}.fb-no .fb-title{color:var(--red)}.fb-skip .fb-title{color:#a06010}
.fb-body{font-size:14px;color:var(--gray);line-height:1.65;margin-bottom:18px}
.fb-actions{display:flex;gap:10px;justify-content:center}
.q-actions{display:flex;gap:10px;justify-content:center}
.quiz-bottom-bar{display:flex;align-items:center;gap:12px;margin-top:8px;padding:14px 0}
.quiz-bottom-bar .q-progress-wrap{flex:1}
.quiz-bottom-bar .btn-skip{flex-shrink:0}
.btn-home-small{background:none;border:1px solid var(--border);color:var(--text-muted);border-radius:8px;padding:8px 14px;font-size:12px;font-weight:600;cursor:pointer;transition:all .18s;flex-shrink:0}
.btn-home-small:hover{border-color:var(--red);color:var(--red)}
.btn-next{background:var(--blue);color:#fff;border:none;border-radius:10px;padding:13px 28px;font-size:14px;font-weight:600;cursor:pointer;transition:all .18s;display:none;align-items:center;gap:8px}
.btn-next.show{display:inline-flex}
.btn-next:hover{background:#1248a0;transform:translateY(-1px);box-shadow:0 4px 16px rgba(26,93,171,.4)}
.btn-skip{background:#fff;color:var(--text-muted);border:1.5px solid var(--border);border-radius:10px;padding:12px 20px;font-size:13px;font-weight:500;cursor:pointer;transition:all .18s}
.btn-skip:hover{border-color:var(--gray);color:var(--text)}
.btn-finish{background:var(--green);color:#fff;border:none;border-radius:10px;padding:13px 28px;font-size:14px;font-weight:600;cursor:pointer;transition:all .18s;display:none;align-items:center;gap:8px}
.btn-finish.show{display:inline-flex}
.btn-finish:hover{background:#146a3a}
/* RESULTS */
#results{max-width:720px;margin:0 auto;padding:28px 16px 80px;animation:slideUp .4s ease}
.result-card{background:var(--card);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;margin-bottom:20px}
.result-header{padding:32px 32px 28px;text-align:center;position:relative}
.result-header.pass-bg{background:linear-gradient(135deg,#0f3d24,#1a6b42)}
.result-header.fail-bg{background:linear-gradient(135deg,#3d0f0f,#8a2020)}
.result-verdict{font-family:'Sora',sans-serif;font-weight:800;font-size:36px;color:#fff;margin-bottom:4px}
.result-sub{color:rgba(255,255,255,.65);font-size:14px;margin-bottom:24px}
.result-score-ring{width:130px;height:130px;border-radius:50%;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;position:relative;box-shadow:0 0 0 8px rgba(255,255,255,.08);background:conic-gradient(rgba(255,255,255,.9) var(--fill),rgba(255,255,255,.15) var(--fill))}
.result-score-inner{position:relative;z-index:1;background:rgba(0,0,0,.4);border-radius:50%;width:106px;height:106px;display:flex;flex-direction:column;align-items:center;justify-content:center}
.result-pct{font-family:'Sora',sans-serif;font-weight:800;font-size:32px;color:#fff}
.result-pct-lbl{font-size:10px;color:rgba(255,255,255,.6);letter-spacing:1px;text-transform:uppercase}
.pass-line{display:inline-block;background:rgba(255,255,255,.15);border-radius:20px;padding:5px 16px;font-size:12px;color:rgba(255,255,255,.7)}
.result-stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--border)}
.rs-box{padding:18px 10px;text-align:center;border-right:1px solid var(--border)}
.rs-box:last-child{border-right:none}
.rs-num{font-family:'Sora',sans-serif;font-weight:700;font-size:28px}
.rs-lbl{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-top:2px}
.rs-correct .rs-num{color:var(--green)}.rs-wrong .rs-num{color:var(--red)}.rs-skip .rs-num{color:var(--accent)}.rs-total .rs-num{color:var(--navy)}
.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.btn-primary{background:var(--blue);color:#fff;border:none;border-radius:10px;padding:13px 24px;font-size:14px;font-weight:600;cursor:pointer;transition:all .18s;display:inline-flex;align-items:center;gap:7px}
.btn-primary:hover{background:#1248a0;transform:translateY(-1px)}
.btn-secondary{background:#fff;color:var(--navy);border:1.5px solid var(--border);border-radius:10px;padding:12px 22px;font-size:14px;font-weight:500;cursor:pointer;transition:all .18s;display:inline-flex;align-items:center;gap:7px}
.btn-secondary:hover{border-color:var(--navy);background:var(--gray-light)}
.review-section h3{font-family:'Sora',sans-serif;font-weight:700;font-size:15px;color:var(--navy);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.review-item{background:var(--card);border-radius:10px;border:1.5px solid var(--border);padding:14px 16px;margin-bottom:8px;border-left:4px solid var(--border)}
.review-item.ri-ok{border-left-color:var(--green)}.review-item.ri-no{border-left-color:var(--red)}.review-item.ri-skip{border-left-color:var(--accent)}
.ri-q{font-size:13px;color:var(--text);margin-bottom:8px;line-height:1.4}
.ri-meta{display:flex;gap:10px;flex-wrap:wrap;font-size:12px}
.ri-meta span{padding:2px 8px;border-radius:4px;font-weight:500}
.ri-yours{background:var(--red-light);color:var(--red)}.ri-yours.ok{background:var(--green-light);color:var(--green)}
.ri-correct{background:var(--green-light);color:var(--green)}.ri-skip-badge{background:var(--accent-light);color:#a06010}
.ri-explain{font-size:12px;color:var(--text-muted);margin-top:7px;line-height:1.5;padding:7px 10px;background:var(--gray-light);border-radius:6px}
@media(max-width:580px){#home{padding:0 8px 40px}.hero{padding:32px 20px 26px}.hero-btn{font-size:16px;padding:14px 30px}.hero-stats{gap:20px}.q-card{padding:20px 16px 18px}.q-text{font-size:15px}.result-stats{grid-template-columns:repeat(2,1fr)}.rs-box:nth-child(2){border-right:none}.rs-box:nth-child(3){border-right:1px solid var(--border);border-top:1px solid var(--border)}.rs-box:nth-child(4){border-top:1px solid var(--border)}.topbar-logo .tag{display:none}}

/* ═══ STUDY PLAN ═══ */
#plan{max-width:800px;margin:0 auto;padding:28px 16px 80px}
.plan-hero{background:linear-gradient(135deg,#0f2744 0%,#1a3a6b 100%);border-radius:16px;padding:34px 36px 30px;margin-bottom:22px;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.plan-hero::before{content:'';position:absolute;right:-30px;top:-30px;width:190px;height:190px;border-radius:50%;background:rgba(232,160,32,.12)}
.plan-hero-kicker{font-size:11px;font-weight:600;letter-spacing:2px;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.plan-hero h1{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(22px,5vw,34px);color:#fff;line-height:1.2;margin-bottom:10px}
.plan-hero h1 span{color:var(--accent)}
.plan-hero p{color:rgba(255,255,255,.65);font-size:13.5px;line-height:1.6;max-width:480px;margin-bottom:20px}
.plan-hero-pills{display:flex;flex-wrap:wrap;gap:8px}
.plan-hero-pill{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.85);font-size:11px;font-weight:600;padding:4px 12px;border-radius:20px}
.plan-golden{background:linear-gradient(135deg,#fffbf0,#fff7e0);border:2px solid #f5d060;border-radius:14px;padding:18px 22px;margin-bottom:22px}
.plan-golden h3{font-weight:700;font-size:13.5px;color:#7a4f00;margin-bottom:12px;display:flex;align-items:center;gap:7px}
.plan-golden-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:8px}
.plan-golden-item{background:#fff;border:1px solid #f0d080;border-radius:9px;padding:10px 13px;font-size:12.5px;color:#5a3800;display:flex;align-items:flex-start;gap:8px;line-height:1.45}
.plan-day-label{font-family:'Sora',sans-serif;font-weight:800;font-size:19px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.plan-day-badge{font-size:11px;font-weight:700;letter-spacing:1px;padding:4px 12px;border-radius:20px;text-transform:uppercase;font-family:'Inter',sans-serif}
.badge-d1{background:#dbeafe;color:#1e40af}.badge-d2{background:#dcfce7;color:#14532d}
.plan-session{background:var(--card);border-radius:14px;border:1.5px solid var(--border);margin-bottom:11px;overflow:hidden;box-shadow:var(--shadow)}
.plan-sh{padding:15px 20px 13px;display:flex;align-items:flex-start;gap:13px;border-bottom:1px solid var(--border)}
.plan-icon{font-size:26px;flex-shrink:0;margin-top:2px}
.plan-meta{flex:1;min-width:0}
.plan-stime{font-size:10.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:2px}
.plan-stitle{font-family:'Sora',sans-serif;font-weight:700;font-size:14.5px;color:var(--navy);margin-bottom:2px}
.plan-ssub{font-size:11.5px;color:var(--gray);line-height:1.4}
.plan-dur{font-size:11.5px;font-weight:700;background:var(--gray-light,#f1f5f9);padding:3px 10px;border-radius:10px;color:var(--gray);white-space:nowrap;flex-shrink:0;margin-top:2px}
.plan-sb{padding:15px 20px}
.plan-steps{display:flex;flex-direction:column;gap:8px}
.plan-step{display:flex;gap:11px;align-items:flex-start}
.plan-sn{width:23px;height:23px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;flex-shrink:0;margin-top:2px}
.plan-st{font-size:13px;color:var(--text);line-height:1.55}
.plan-st strong{color:var(--navy)}
.app-tag{display:inline-block;background:var(--blue-light);color:var(--blue);font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px;margin:0 2px;border:1px solid #c0d8f5;white-space:nowrap}
.app-tag-btn{cursor:pointer;transition:all .15s;font-family:'Inter',sans-serif;line-height:1.4}
.app-tag-btn:hover{background:var(--blue);color:#fff;border-color:var(--blue);transform:translateY(-1px);box-shadow:0 2px 8px rgba(26,93,171,.3)}
.plan-cl{border-radius:9px;padding:12px 15px;margin-top:10px;display:flex;gap:10px;font-size:12.5px;line-height:1.5;align-items:flex-start}
.pcl-tip{background:var(--green-light);border:1.5px solid #90d8aa;color:#0f4a28}
.pcl-warn{background:var(--accent-light);border:1.5px solid #f5d060;color:#7a4f00}
.pcl-info{background:var(--blue-light);border:1.5px solid #a0c4f5;color:#0f2a5a}
.plan-cl .ci{font-size:16px;flex-shrink:0;margin-top:1px}
.plan-cl strong{display:block;font-weight:700;margin-bottom:2px}
.plan-break{background:#f8fafc;border:1px dashed #cbd5e1;border-radius:10px;padding:10px 16px;margin-bottom:11px;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--gray)}
.plan-divider{height:2px;background:linear-gradient(90deg,var(--blue),var(--green));border-radius:1px;margin:20px 0}
.plan-score-tbl{width:100%;border-collapse:collapse;font-size:12.5px;margin-top:10px}
.plan-score-tbl th{background:var(--navy);color:#fff;padding:8px 11px;text-align:left;font-size:11px;font-weight:600;letter-spacing:.4px}
.plan-score-tbl td{padding:8px 11px;border-bottom:1px solid var(--border);vertical-align:top}
.plan-score-tbl tr:last-child td{border-bottom:none}
.plan-score-tbl tr:nth-child(even) td{background:#f8fafc}
.spill{display:inline-block;padding:2px 8px;border-radius:8px;font-size:11px;font-weight:700}
.spill-r{background:var(--red-light);color:var(--red)}.spill-y{background:var(--accent-light);color:#a06010}.spill-g{background:var(--green-light);color:var(--green)}
.plan-final{background:linear-gradient(135deg,#0f2744,#1a3a6b);border-radius:16px;padding:28px;margin-top:22px;text-align:center}
.plan-final h2{font-family:'Sora',sans-serif;font-weight:800;font-size:20px;color:#fff;margin-bottom:8px}
.plan-final p{color:rgba(255,255,255,.6);font-size:13px;margin-bottom:18px;line-height:1.6}
.plan-checklist{display:inline-flex;flex-direction:column;gap:7px;text-align:left;background:rgba(255,255,255,.08);border-radius:10px;padding:13px 18px;margin-bottom:18px}
.plan-checklist div{font-size:12.5px;color:rgba(255,255,255,.85);display:flex;align-items:center;gap:8px}
.plan-big-badge{display:inline-block;background:var(--accent);color:var(--navy);font-family:'Sora',sans-serif;font-weight:800;font-size:17px;padding:11px 28px;border-radius:11px}
.plan-back{background:var(--card);border:1.5px solid var(--border);border-radius:8px;padding:8px 16px;font-size:13px;font-weight:500;color:var(--navy);cursor:pointer;transition:all .15s;display:inline-flex;align-items:center;gap:6px;margin-bottom:20px}
.plan-back:hover{background:var(--gray-light)}
.pbl-blue{border-left:4px solid var(--blue)}.pbl-navy{border-left:4px solid var(--navy)}
.pbl-green{border-left:4px solid var(--green)}.pbl-purple{border-left:4px solid var(--purple)}
.pbl-accent{border-left:4px solid var(--accent)}.pbl-red{border-left:4px solid var(--red)}
.psn-blue .plan-sn{background:var(--blue)}.psn-navy .plan-sn{background:var(--navy)}
.psn-green .plan-sn{background:var(--green)}.psn-purple .plan-sn{background:var(--purple)}
.psn-accent .plan-sn{background:var(--accent)}.psn-red .plan-sn{background:var(--red)}
.pt-blue{color:var(--blue)}.pt-green{color:var(--green)}.pt-purple{color:var(--purple)}
.pt-accent{color:#a06010}.pt-red{color:var(--red)}
@media(max-width:580px){.plan-hero{padding:22px 18px 20px}.plan-sh{flex-wrap:wrap}.plan-dur{margin-top:8px}.plan-golden-grid{grid-template-columns:1fr 1fr}}

/* ═══ STUDY GUIDE ═══ */
#study{max-width:860px;margin:0 auto;padding:28px 16px 80px}
.study-hero{background:linear-gradient(135deg,#1a3a0f,#2a6b1a);border-radius:16px;padding:32px 36px 28px;margin-bottom:28px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.study-hero::before{content:'';position:absolute;right:-30px;top:-30px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.06)}
.study-hero h1{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(22px,4vw,32px);color:#fff;margin-bottom:8px}
.study-hero h1 span{color:#7ee8a2}
.study-hero p{color:rgba(255,255,255,.65);font-size:13.5px;line-height:1.6;max-width:520px;margin-bottom:22px}
.study-hero-tags{display:flex;flex-wrap:wrap;gap:8px}
.study-hero-tags span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.85);font-size:11px;font-weight:600;padding:4px 12px;border-radius:20px}
.study-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.study-nav-btn{background:var(--card);border:1.5px solid var(--border);border-radius:8px;padding:7px 14px;font-size:12px;font-weight:600;color:var(--navy);cursor:pointer;transition:all .15s;white-space:nowrap}
.study-nav-btn:hover,.study-nav-btn.active{background:var(--blue);border-color:var(--blue);color:#fff}
.study-chapter{background:var(--card);border-radius:14px;box-shadow:var(--shadow);margin-bottom:14px;overflow:hidden;border:1.5px solid var(--border)}
.study-chapter-header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;cursor:pointer;transition:background .15s;user-select:none}
.study-chapter-header:hover{background:var(--gray-light)}
.study-chapter-header.open{background:var(--navy)}
.study-ch-left{display:flex;align-items:center;gap:14px}
.study-ch-icon{font-size:26px;flex-shrink:0}
.study-ch-title{font-family:'Sora',sans-serif;font-weight:700;font-size:15px;color:var(--navy)}
.study-chapter-header.open .study-ch-title{color:#fff}
.study-ch-sub{font-size:11px;color:var(--text-muted);margin-top:2px}
.study-chapter-header.open .study-ch-sub{color:rgba(255,255,255,.6)}
.study-ch-badge{font-size:10px;font-weight:700;letter-spacing:1px;padding:3px 9px;border-radius:10px;text-transform:uppercase;flex-shrink:0}
.badge-critical{background:#fdecea;color:var(--red)}
.badge-high{background:var(--accent-light);color:#8a5000}
.badge-medium{background:var(--blue-light);color:var(--blue)}
.study-ch-arrow{font-size:13px;color:var(--gray);margin-left:10px;transition:transform .25s;flex-shrink:0}
.study-chapter-header.open .study-ch-arrow{transform:rotate(180deg);color:rgba(255,255,255,.7)}
.study-chapter-body{display:none;padding:0 22px 24px;animation:slideUp .25s ease}
.study-chapter-body.open{display:block}
.study-section{margin-bottom:22px}
.study-section:last-child{margin-bottom:0}
.study-section h3{font-family:'Sora',sans-serif;font-weight:700;font-size:13.5px;color:var(--navy);margin-bottom:10px;padding-bottom:6px;border-bottom:2px solid var(--border);display:flex;align-items:center;gap:7px}
.study-section p{font-size:13.5px;color:var(--text);line-height:1.7;margin-bottom:10px}
.study-section p:last-child{margin-bottom:0}
.study-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:6px;margin-bottom:4px}
.study-table th{background:var(--navy);color:#fff;padding:9px 12px;text-align:left;font-size:11px;font-weight:600;letter-spacing:.5px}
.study-table td{padding:8px 12px;border-bottom:1px solid var(--border);vertical-align:top}
.study-table tr:last-child td{border-bottom:none}
.study-table tr:nth-child(even) td{background:var(--gray-light)}
.study-callout{border-radius:10px;padding:13px 16px;margin:12px 0;display:flex;gap:12px;align-items:flex-start;font-size:13px;line-height:1.6}
.callout-warn{background:#fff8e0;border:1.5px solid #f5d060;color:#7a4f00}
.callout-danger{background:var(--red-light);border:1.5px solid #f5a0a0;color:#7a1010}
.callout-tip{background:var(--green-light);border:1.5px solid #90d8aa;color:#0f4a28}
.callout-info{background:var(--blue-light);border:1.5px solid #a0c4f5;color:#0f2a5a}
.callout-icon{font-size:18px;flex-shrink:0;margin-top:1px}
.callout-text strong{display:block;font-weight:700;margin-bottom:3px}
.study-list{list-style:none;padding:0;margin:8px 0}
.study-list li{padding:6px 0 6px 22px;position:relative;font-size:13.5px;color:var(--text);line-height:1.6;border-bottom:1px solid var(--border)}
.study-list li:last-child{border-bottom:none}
.study-list li::before{content:'→';position:absolute;left:0;color:var(--blue);font-weight:700}
.study-list li strong{color:var(--navy)}
.sign-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-top:8px}
.sign-card{background:var(--gray-light);border:1.5px solid var(--border);border-radius:10px;padding:12px 14px}
.sign-card .s-shape{font-size:13px;font-weight:700;color:var(--navy);margin-bottom:3px}
.sign-card .s-color{font-size:12px;color:var(--text-muted);margin-bottom:4px}
.sign-card .s-means{font-size:12px;color:var(--text);line-height:1.4}
.number-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:8px;margin-top:8px}
.number-card{background:var(--navy);border-radius:10px;padding:12px 14px;text-align:center}
.number-card .n-num{font-family:'Sora',sans-serif;font-weight:800;font-size:22px;color:var(--accent);margin-bottom:2px}
.number-card .n-lbl{font-size:11px;color:rgba(255,255,255,.75);line-height:1.4}
.study-back{background:var(--card);border:1.5px solid var(--border);border-radius:8px;padding:8px 16px;font-size:13px;font-weight:500;color:var(--navy);cursor:pointer;transition:all .15s;display:inline-flex;align-items:center;gap:6px;margin-bottom:20px}
.study-back:hover{background:var(--gray-light)}
.read-btn{background:var(--green);color:#fff;border:none;border-radius:8px;padding:10px 20px;font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:all .18s;margin-top:8px}
.read-btn:hover{background:#146a3a;transform:translateY(-1px)}
@media(max-width:580px){.study-hero{padding:22px 18px 20px}.study-chapter-header{padding:14px 16px}.study-chapter-body{padding:0 16px 20px}.number-grid{grid-template-columns:repeat(2,1fr)}}

/* ═══ STUDY GUIDE ═══ */
#study{max-width:900px;margin:0 auto;padding:28px 16px 80px}
.study-header{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.study-back{background:var(--card);border:1.5px solid var(--border);border-radius:8px;padding:7px 14px;font-size:13px;font-weight:500;color:var(--navy);cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:6px}
.study-back:hover{background:var(--gray-light)}
.study-title-wrap h2{font-family:'Sora',sans-serif;font-weight:800;font-size:22px;color:var(--navy);margin-bottom:2px}
.study-title-wrap p{font-size:12px;color:var(--text-muted)}
.study-recommend-banner{background:linear-gradient(135deg,#0f2744,#1a3a6b);border-radius:14px;padding:22px 26px;margin-bottom:24px;display:flex;align-items:flex-start;gap:16px}
.srb-icon{font-size:36px;flex-shrink:0}
.srb-text h3{font-family:'Sora',sans-serif;font-weight:700;font-size:16px;color:#fff;margin-bottom:6px}
.srb-text p{font-size:13px;color:rgba(255,255,255,.65);line-height:1.6}
.srb-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.srb-chip{background:rgba(232,160,32,.2);border:1px solid rgba(232,160,32,.4);color:var(--accent);font-size:11px;font-weight:600;padding:3px 10px;border-radius:10px}
.study-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:22px;padding-bottom:0}
.stab{background:var(--gray-light);border:1.5px solid var(--border);padding:8px 14px;font-size:12.5px;font-weight:600;color:var(--text-muted);cursor:pointer;border-radius:8px;white-space:nowrap;transition:all .18s;font-family:'Inter',sans-serif}
.stab:hover{color:var(--navy);border-color:var(--blue);background:#f0f6ff}
.stab.active{color:#fff;background:var(--blue);border-color:var(--blue);font-weight:700}
.study-panel{display:none;animation:slideUp .25s ease}
.study-panel.active{display:block}
.sg-card{background:var(--card);border-radius:14px;box-shadow:var(--shadow);margin-bottom:16px;overflow:hidden}
.sg-card-header{padding:16px 20px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.sg-card-icon{font-size:22px}
.sg-card-header h3{font-family:'Sora',sans-serif;font-weight:700;font-size:15px;color:var(--navy)}
.sg-card-header .sg-badge{margin-left:auto;font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;padding:3px 9px;border-radius:10px}
.badge-exam{background:#fff0e0;color:#a06010}.badge-critical{background:#fdecea;color:var(--red)}.badge-know{background:var(--green-light);color:var(--green)}
.sg-card-body{padding:16px 20px}
.sg-rule{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}
.sg-rule:last-child{border-bottom:none}
.sg-rule-num{min-width:28px;height:28px;border-radius:50%;background:var(--blue-light);color:var(--blue);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}
.sg-rule-text{font-size:13.5px;color:var(--text);line-height:1.5}
.sg-rule-text strong{color:var(--navy)}
.sg-rule-text em{color:var(--red);font-style:normal;font-weight:600}
.numbers-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.num-box{background:var(--gray-light);border-radius:10px;padding:14px 16px;border-left:4px solid var(--blue)}
.num-box.red{border-left-color:var(--red);background:var(--red-light)}
.num-box.green{border-left-color:var(--green);background:var(--green-light)}
.num-box.amber{border-left-color:var(--accent);background:var(--accent-light)}
.num-box .nb-num{font-family:'Sora',sans-serif;font-weight:800;font-size:26px;color:var(--navy);line-height:1}
.num-box.red .nb-num{color:var(--red)}
.num-box.green .nb-num{color:var(--green)}
.num-box.amber .nb-num{color:#a06010}
.num-box .nb-label{font-size:11px;color:var(--text-muted);margin-top:4px;line-height:1.4}
.sg-alert{background:var(--accent-light);border:1.5px solid #f0d080;border-radius:10px;padding:13px 16px;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.sg-alert-icon{font-size:18px;flex-shrink:0}
.sg-alert p{font-size:13px;color:#7a4f00;line-height:1.5}
.sg-alert strong{color:var(--navy)}
.sg-alert.danger{background:var(--red-light);border-color:#f5b0b0}
.sg-alert.danger p{color:var(--red)}
.sg-alert.success{background:var(--green-light);border-color:#a0d8b8}
.sg-alert.success p{color:var(--green)}
.sg-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:4px}
.sg-table th{background:var(--navy);color:#fff;padding:9px 12px;text-align:left;font-weight:600;font-size:12px}
.sg-table tr:nth-child(even){background:var(--gray-light)}
.sg-table td{padding:9px 12px;border-bottom:1px solid var(--border);color:var(--text);vertical-align:top}
.sg-table td strong{color:var(--navy)}
.sg-section-label{font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--text-muted);margin:18px 0 10px}
.sg-steps{counter-reset:step}
.sg-step{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--border);align-items:flex-start}
.sg-step:last-child{border-bottom:none}
.sg-step-n{width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;font-family:'Sora',sans-serif;font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sg-step-text{font-size:13.5px;color:var(--text);line-height:1.5}
.sg-step-text strong{color:var(--navy);display:block;margin-bottom:2px}
.tip-box{background:linear-gradient(135deg,var(--blue-light),#f0f6ff);border:1.5px solid #c0d8f5;border-radius:10px;padding:14px 16px;margin-top:14px}
.tip-box h4{font-size:12px;font-weight:700;color:var(--blue);letter-spacing:1px;text-transform:uppercase;margin-bottom:8px;display:flex;align-items:center;gap:6px}
.tip-box ul{list-style:none;display:flex;flex-direction:column;gap:6px}
.tip-box ul li{font-size:13px;color:var(--text);padding-left:18px;position:relative;line-height:1.5}
.tip-box ul li::before{content:'→';position:absolute;left:0;color:var(--blue);font-weight:700}
@media(max-width:580px){.study-tabs{gap:5px}.stab{padding:7px 10px;font-size:11.5px}.numbers-grid{grid-template-columns:repeat(2,1fr)}.sg-card-body{padding:12px 14px}.study-recommend-banner{flex-direction:column;gap:10px}}
/* ═══ BOOK READER ═══ */
#book{max-width:800px;margin:0 auto;padding:28px 16px 80px}
.book-hero{background:linear-gradient(135deg,#1a3a1a 0%,#2d6b2d 100%);border-radius:16px;padding:34px 36px 30px;margin-bottom:22px;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.book-hero::before{content:'';position:absolute;right:-30px;top:-30px;width:190px;height:190px;border-radius:50%;background:rgba(232,160,32,.12)}
.book-hero h1{font-family:'Sora',sans-serif;font-weight:800;font-size:clamp(22px,5vw,32px);color:#fff;line-height:1.2;margin-bottom:8px}
.book-hero h1 span{color:var(--accent)}
.book-hero p{color:rgba(255,255,255,.65);font-size:13px;line-height:1.6;max-width:500px}
.book-back{background:var(--card);border:1.5px solid var(--border);border-radius:8px;padding:8px 16px;font-size:13px;font-weight:500;color:var(--navy);cursor:pointer;transition:all .15s;display:inline-flex;align-items:center;gap:6px;margin-bottom:16px}
.book-back:hover{background:var(--gray-light)}
.book-ch-grid{display:grid;grid-template-columns:1fr;gap:8px;margin-bottom:20px}
.book-ch-btn{background:var(--card);border:1.5px solid var(--border);border-radius:10px;padding:14px 18px;cursor:pointer;transition:all .18s;display:flex;align-items:center;gap:14px;box-shadow:var(--shadow);text-align:left;touch-action:manipulation;-webkit-tap-highlight-color:rgba(26,93,171,.12)}
.book-ch-btn:hover{border-color:var(--blue);background:var(--blue-light);transform:translateX(3px)}
.book-ch-btn.active{border-color:var(--green);background:var(--green-light)}
.book-ch-num{width:36px;height:36px;border-radius:10px;background:var(--navy);color:#fff;font-family:'Sora',sans-serif;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.book-ch-btn.active .book-ch-num{background:var(--green)}
.book-ch-btn .ch-title{font-size:14px;font-weight:600;color:var(--navy)}
.book-ch-btn .ch-sub{font-size:11.5px;color:var(--text-muted);margin-top:2px}
.book-reader-wrap{background:var(--card);border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;margin-top:16px}
.book-reader-header{background:var(--navy);padding:16px 24px;display:flex;align-items:center;gap:12px}
.book-reader-header h3{font-family:'Sora',sans-serif;font-weight:700;font-size:15px;color:#fff;flex:1}
.book-reader-nav{display:flex;gap:8px}
.book-nav-btn{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:7px;padding:5px 14px;font-size:12px;font-weight:600;cursor:pointer;transition:all .15s}
.book-nav-btn:hover{background:rgba(255,255,255,.25)}
.book-nav-btn:disabled{opacity:.3;cursor:default}
.book-reader-body{padding:28px 28px 36px;max-height:70vh;overflow-y:auto;scroll-behavior:smooth}
.book-reader-body::-webkit-scrollbar{width:6px}
.book-reader-body::-webkit-scrollbar-track{background:var(--gray-light);border-radius:3px}
.book-reader-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.book-reader-body::-webkit-scrollbar-thumb:hover{background:var(--gray)}
/* ── Book reader — style bare HTML tags from chapter content ── */
.book-reader-body h4{font-family:'Sora',sans-serif;font-weight:700;font-size:16px;color:var(--navy);margin:24px 0 10px;padding-bottom:6px;border-bottom:2px solid var(--blue-light)}
.book-reader-body h4:first-child{margin-top:0}
.book-reader-body p{font-size:14.5px;color:var(--text);line-height:1.75;margin-bottom:14px}
.book-reader-body ul{margin:0 0 16px 8px;padding-left:20px;list-style:disc}
.book-reader-body ul li{font-size:14.5px;color:var(--text);line-height:1.7;margin-bottom:8px;padding-left:4px}
.book-reader-body strong{color:var(--navy);font-weight:600}
.book-reader-body a{color:var(--blue);text-decoration:underline}
.book-para{font-size:14.5px;color:var(--text);line-height:1.75;margin-bottom:14px}
.book-list{margin:0 0 16px 8px;padding-left:20px;list-style:disc}
.book-list li{font-size:14.5px;color:var(--text);line-height:1.7;margin-bottom:8px;padding-left:4px}
.book-section-title{font-family:'Sora',sans-serif;font-weight:700;font-size:16px;color:var(--navy);margin:24px 0 10px;padding-bottom:6px;border-bottom:2px solid var(--blue-light)}
.book-reader-body .book-section-title:first-child{margin-top:0}
.book-font-ctrl{display:flex;align-items:center;gap:6px;margin-left:auto}
.book-font-btn{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:6px;width:28px;height:28px;font-size:14px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}
.book-font-btn:hover{background:rgba(255,255,255,.25)}
.book-progress{display:flex;align-items:center;gap:8px;padding:10px 24px;background:var(--gray-light);border-top:1px solid var(--border);font-size:12px;color:var(--text-muted)}
.book-progress-bar{flex:1;height:4px;background:var(--border);border-radius:2px;overflow:hidden}
.book-progress-fill{height:100%;background:var(--green);border-radius:2px;transition:width .3s}
@media(max-width:580px){.book-reader-body{padding:18px 16px 28px;max-height:60vh}.book-reader-header{padding:12px 16px}.book-ch-btn{padding:11px 14px}}

/* ── Tips to Pass Banner ──────────────────────────────────── */
.tips-banner{width:100%;padding:16px 18px 18px;border:2px solid #c8d8f0;border-radius:16px;background:linear-gradient(180deg,#eaf1fb 0%,#e5edf8 100%);box-shadow:0 2px 8px rgba(76,108,168,.08);overflow:hidden;margin-bottom:28px}
.tips-banner-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.tips-banner-title{font-size:15px;font-weight:800;color:#173f7a;letter-spacing:.2px}
.tips-banner-live{display:inline-flex;align-items:center;gap:6px;background:#e02127;color:#fff;font-size:12px;font-weight:800;padding:4px 10px;border-radius:8px;letter-spacing:.4px;box-shadow:0 1px 4px rgba(224,33,39,.25);white-space:nowrap}
.tips-tip-box{position:relative;display:flex;align-items:center;min-height:46px;padding:12px 16px;border:1px solid #c7d5ea;border-radius:12px;background:linear-gradient(180deg,#fff 0%,#f6f9fe 100%);color:#1f4f97;font-size:15px;font-weight:700;line-height:1.45;box-shadow:inset 0 1px 0 rgba(255,255,255,.7),0 1px 4px rgba(0,0,0,.04)}
.tips-cursor{display:inline-block;margin-left:2px;color:#1f4f97;animation:tipsBlink .8s infinite;font-weight:800}
@keyframes tipsBlink{0%,49%{opacity:1}50%,100%{opacity:0}}
@media(max-width:700px){.tips-banner{padding:14px}.tips-banner-title{font-size:14px}.tips-tip-box{font-size:14px;min-height:56px}}

@keyframes missedPulse{0%,100%{box-shadow:0 0 0 0 rgba(220,38,38,.4),0 4px 16px rgba(220,38,38,.15)}50%{box-shadow:0 0 0 8px rgba(220,38,38,0),0 4px 24px rgba(220,38,38,.3)}}
@keyframes missedBounce{0%,100%{transform:scale(1)}50%{transform:scale(1.15)}}

/* ── Other States Grid ──────────────────────────────────── */
.state-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:4px 12px;background:#f7f9fc;border-radius:14px;padding:24px 28px;border:1px solid var(--border);margin-bottom:28px}
.state-grid a{color:var(--accent);text-decoration:none;font-size:14px;font-weight:500;padding:6px 0;transition:color .15s}
.state-grid a:hover{color:#1a5a9e;text-decoration:underline}
.state-grid .sg-off{color:#a0aec0;font-size:14px;padding:6px 0}
@media(max-width:700px){.state-grid{grid-template-columns:repeat(3,1fr);padding:18px 16px}}
@media(max-width:420px){.state-grid{grid-template-columns:repeat(2,1fr)}}