:root{--ink:#08213f;--navy:#06234a;--teal:#00bfae;--teal-dark:#008f84;--coral:#ff6f61;--paper:#f3f6f7;--card:#fff;--line:#dfe7e9;--muted:#60717d;--good:#008b72;--bad:#d14e46;--shadow:0 10px 30px rgba(6,35,74,.08)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}body{padding-bottom:88px}button,input,select{font:inherit;color:inherit}button{cursor:pointer}.app{width:min(720px,100%);margin:0 auto;padding:22px 18px 26px}.splash{min-height:80vh;display:grid;place-content:center;text-align:center;color:var(--navy)}.splash-icon{width:88px;height:88px;margin:0 auto 14px;border-radius:24px;box-shadow:var(--shadow)}.splash h1{margin:0;font-size:34px;letter-spacing:-1px}.splash p{color:var(--muted)}
.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-.5px}.logo img{width:38px;height:38px;border-radius:11px;box-shadow:0 5px 14px rgba(6,35,74,.16)}.avatar{width:42px;height:42px;border:0;border-radius:50%;background:var(--navy);color:#fff;font-weight:900}
h1{margin:4px 0 6px;font-size:30px;line-height:1.08;letter-spacing:-1px}h2{margin:0;font-size:20px}h3{margin:0 0 10px}.muted{color:var(--muted)}.tiny{font-size:13px;line-height:1.55}.eyebrow{text-transform:uppercase;letter-spacing:1.6px;font-size:11px;font-weight:900;opacity:.72}.hero{background:var(--navy);color:#fff;border-radius:26px;padding:25px;margin:18px 0;box-shadow:0 16px 40px rgba(6,35,74,.16);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:120px;height:120px;border:24px solid rgba(0,205,184,.15);border-radius:50%;right:-55px;top:-43px}.points{font-size:42px;font-weight:950;letter-spacing:-2px;margin-top:4px}.points small{font-size:14px;letter-spacing:0;font-weight:800;opacity:.8}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 5px 18px rgba(6,35,74,.04)}.action-card{display:flex;align-items:center;gap:12px;text-align:left;background:#fff;border:1px solid var(--line);border-radius:20px;padding:17px;min-height:92px;box-shadow:0 5px 18px rgba(6,35,74,.04)}.action-card:active{transform:translateY(1px)}.action-card .icon{display:grid;place-items:center;flex:0 0 42px;height:42px;border-radius:13px;background:#dff8f4;color:var(--teal-dark);font-size:23px;font-weight:900}.action-card b{display:block}.action-card span:not(.icon){display:block;margin-top:4px;color:var(--muted);font-size:12px;line-height:1.35}.section-title{display:flex;align-items:center;justify-content:space-between;margin:24px 2px 11px}.badge{display:inline-flex;align-items:center;border-radius:99px;padding:5px 9px;background:#e7f7f5;color:var(--teal-dark);font-size:11px;font-weight:900}.score-row,.person{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--line)}.person:last-child,.score-row:last-child{border-bottom:0}.rank{display:inline-grid;place-items:center;min-width:28px;height:28px;margin-right:8px;border-radius:9px;background:#edf1f3;color:var(--navy)}.good{color:var(--good)}.bad{color:var(--bad)}
button.primary,.primary{border:0;background:var(--teal);color:#042d31;font-weight:900;border-radius:14px;padding:15px 18px;box-shadow:0 7px 16px rgba(0,191,174,.18)}button.primary:disabled{opacity:.42;box-shadow:none}.block{width:100%;border:0;border-radius:14px;padding:14px 16px;background:#e9eef0;font-weight:800}.outline{background:#fff;border:1px solid #cbd7da}.divider{height:1px;background:var(--line);margin:18px 0}.field{margin:16px 0}.field label{display:flex;justify-content:space-between;margin-bottom:8px;font-size:13px;font-weight:850}.field input,.field select{width:100%;border:1px solid #cbd7da;background:#fff;border-radius:13px;padding:13px 14px;outline:none}.field input:focus,.field select:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(0,191,174,.12)}.segmented{display:flex;background:#e9eef0;border-radius:14px;padding:4px;gap:4px}.segmented button{flex:1;border:0;border-radius:11px;padding:10px;background:transparent;font-weight:850}.segmented button.active{background:#fff;color:var(--navy);box-shadow:0 2px 8px rgba(6,35,74,.08)}
.bank-tools{display:grid;grid-template-columns:1fr auto auto;gap:7px;margin-bottom:10px}.bank-tools input{min-width:0}.bank-tools button{border:1px solid var(--line);background:#f7f9fa;border-radius:12px;padding:0 11px;font-size:12px;font-weight:850}.bank-count{color:var(--teal-dark);font-size:12px}.bank-list{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-height:330px;overflow:auto;padding:2px}.bank-row{display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left;border:1px solid var(--line);background:#fff;border-radius:13px;padding:11px 12px;min-height:47px;font-size:13px;font-weight:760}.bank-row small{flex:0 0 auto;color:var(--muted);font-weight:800}.bank-row.on{border-color:var(--teal);background:#eafaf7;color:#075f58}.bank-row.on:before{content:"✓";font-weight:950}.bank-row[hidden]{display:none}
.auth{min-height:calc(100vh - 25px);display:grid;align-content:center;max-width:470px}.auth-brand{display:flex;align-items:center;gap:14px;margin:0 auto 20px}.auth-brand img{width:62px;height:62px;border-radius:18px;box-shadow:var(--shadow)}.auth-brand h1{margin:0;font-size:29px}.auth-brand p{margin:3px 0 0;color:var(--muted);font-size:13px;font-weight:700}.auth-card{padding:24px}.auth-card h2{font-size:25px;letter-spacing:-.5px}.auth-copy{margin:7px 0 20px;color:var(--muted);line-height:1.5;font-size:14px}.auth-error,.auth-status{display:none;margin:12px 0 0;border-radius:12px;padding:11px 12px;font-size:12px;line-height:1.45}.auth-error.show{display:block;background:#fff0ee;color:#9e332c;border:1px solid #ffd0ca}.auth-status.show{display:block;background:#fff8e6;color:#755400;border:1px solid #f4dfaa}.auth .tiny{text-align:center;margin:13px 0 0}
.nav{position:fixed;z-index:20;left:50%;bottom:0;transform:translateX(-50%);width:min(720px,100%);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.97);border-top:1px solid var(--line);padding:8px 7px max(8px,env(safe-area-inset-bottom));box-shadow:0 -8px 26px rgba(6,35,74,.06)}.nav button{border:0;background:transparent;color:#73828c;font-size:10px;font-weight:800;padding:4px}.nav b{display:block;font-size:21px;line-height:24px}.nav button.active{color:var(--teal-dark)}
.quiz-top{display:flex;align-items:center;justify-content:space-between;gap:10px}.quiz-top>button{border:0;background:#e5ebed;border-radius:50%;width:38px;height:38px;font-size:24px}.timer{font-variant-numeric:tabular-nums;font-weight:900;color:var(--teal-dark)}.progress{height:7px;background:#dfe7e9;border-radius:99px;margin:15px 0 24px;overflow:hidden}.progress i{display:block;height:100%;background:var(--teal);border-radius:99px}.question{font-size:19px;line-height:1.52;font-weight:650;margin-bottom:18px}.question img,.option img,.explanation img{max-width:100%;height:auto}.options{display:grid;gap:10px}.option{display:flex;align-items:flex-start;gap:12px;text-align:left;width:100%;border:1px solid var(--line);background:#fff;border-radius:16px;padding:14px;line-height:1.42}.option>b{display:grid;place-items:center;flex:0 0 28px;height:28px;background:#edf1f3;border-radius:9px}.option.selected{border-color:var(--teal);background:#eafaf7}.option.correct{border-color:#24a47f;background:#eaf9f2}.option.wrong{border-color:var(--coral);background:#fff0ee}.explanation{margin-top:15px;padding:17px;background:#fff;border-left:4px solid var(--teal);border-radius:12px;line-height:1.55}.bottom-action{margin-top:18px}.wait,.empty{padding:15px;border-radius:14px;background:#e9eef0;color:var(--muted);text-align:center;font-size:13px}.code{text-align:center;font-size:42px;font-weight:950;letter-spacing:7px;color:var(--navy);padding:8px 0 18px}
.modal{position:fixed;z-index:50;inset:0;background:rgba(1,18,38,.56);display:grid;align-items:end}.sheet{width:min(720px,100%);margin:0 auto;background:#fff;border-radius:25px 25px 0 0;padding:24px 20px max(24px,env(safe-area-inset-bottom));max-height:92vh;overflow:auto}#toast{position:fixed;z-index:80;left:50%;bottom:94px;transform:translate(-50%,20px);background:#071d37;color:#fff;padding:12px 16px;border-radius:12px;opacity:0;pointer-events:none;transition:.2s;max-width:calc(100% - 32px);text-align:center;font-size:13px}#toast.show{opacity:1;transform:translate(-50%,0)}
.pvp-bank-picker{margin-top:12px}.pvp-banks{max-height:210px}.team-score{margin:14px 0}.team-score .card{text-align:center}.team-score b{display:block;margin-top:6px;font-size:30px;color:var(--navy)}.review-list{display:grid;gap:10px}.review-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.review-item summary{display:flex;justify-content:space-between;gap:12px;padding:15px;cursor:pointer;font-size:13px}.review-item summary b{text-align:right}.review-body{padding:4px 15px 16px;border-top:1px solid var(--line)}.review-body .question{font-size:16px;margin-top:15px}.review-options .option{cursor:default}.review-options .option.correct{border-color:#24a47f;background:#eaf9f2}.review-options .option.wrong{border-color:var(--coral);background:#fff0ee}.verify-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:12px 0;padding:14px;border:1px solid #f4d58f;background:#fff8e6;border-radius:16px}.verify-banner span{display:block;margin-top:3px;color:#755400;font-size:12px}.verify-banner button{flex:0 0 auto;border:0;background:#f2c35b;border-radius:11px;padding:9px 11px;font-size:12px;font-weight:900}.verify-actions{margin-top:12px}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 0;border-bottom:1px solid var(--line)}.setting-row span,.admin-user span{display:block;margin-top:4px;color:var(--muted);font-size:12px}.setting-row input{width:24px;height:24px;accent-color:var(--teal)}.admin-button{background:var(--navy);color:#fff}.admin-user{display:grid;gap:10px;padding:14px 0;border-bottom:1px solid var(--line)}.admin-user:last-child{border:0}.admin-actions{display:flex;gap:7px;flex-wrap:wrap}.admin-actions button{border:1px solid var(--line);background:#edf2f3;border-radius:10px;padding:8px 11px;font-size:12px;font-weight:850}.font-large{font-size:18px}.font-large .tiny,.font-large .muted{font-size:.88rem}.high-contrast{--ink:#00152d;--navy:#001f49;--teal:#00a996;--line:#87949c;--muted:#344854}.high-contrast .card,.high-contrast .option,.high-contrast .bank-row{border-width:2px}.reduce-motion *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
.mascot-quote{display:flex;align-items:center;gap:13px;margin:14px 0;padding:14px 16px;border:1px solid #cfe9e5;background:#f7fffd;border-radius:19px}.mascot-quote img{width:68px;height:68px;object-fit:contain;flex:0 0 auto}.mascot-quote b{font-size:13px;color:var(--teal-dark)}.mascot-quote p{margin:4px 0 0;line-height:1.42;font-size:13px}.mascot-pop{position:fixed;z-index:90;right:max(14px,calc((100vw - 720px)/2 + 14px));bottom:94px;display:flex;align-items:center;gap:10px;width:min(340px,calc(100% - 28px));padding:12px 38px 12px 10px;background:#fff;border:2px solid var(--teal);border-radius:20px;box-shadow:0 15px 40px rgba(6,35,74,.2);animation:qori-in .35s ease-out}.mascot-pop.support{border-color:var(--coral)}.mascot-pop img{width:74px;height:74px;object-fit:contain}.mascot-pop b,.mascot-pop span{display:block}.mascot-pop b{color:var(--teal-dark);font-size:13px}.mascot-pop span{margin-top:3px;font-size:13px;line-height:1.35}.mascot-pop button{position:absolute;right:9px;top:8px;border:0;background:transparent;font-size:20px}@keyframes qori-in{from{opacity:0;transform:translateY(24px) scale(.94)}to{opacity:1;transform:none}}.progress-summary .card{text-align:center}.progress-summary b{display:block;margin:5px 0;font-size:34px}.progress-summary small{color:var(--muted)}.learning-curve{display:block;width:100%;height:auto}.learning-curve line{stroke:#bcc9cd;stroke-width:1}.learning-curve polyline{fill:none;stroke:var(--teal);stroke-width:5;stroke-linecap:round;stroke-linejoin:round}.learning-curve text{fill:var(--muted);font-size:9px}.bank-progress{display:grid;grid-template-columns:1fr auto;gap:7px 12px;padding:13px 0;border-bottom:1px solid var(--line)}.bank-progress:last-child{border:0}.bank-progress span{display:block;margin-top:3px;color:var(--muted);font-size:11px}.bank-progress strong{align-self:center;color:var(--teal-dark)}.bank-progress>i{grid-column:1/-1;height:7px;background:#e1e9eb;border-radius:99px;overflow:hidden}.bank-progress>i>u{display:block;height:100%;background:var(--teal);border-radius:99px;text-decoration:none}
.pvp-source-tabs button{font-size:11px;padding:10px 5px}.history-entry,.history-card{display:flex;align-items:center;gap:13px;width:100%;text-align:left;border:1px solid var(--line);background:#fff;border-radius:18px;padding:15px;margin:12px 0;box-shadow:0 5px 18px rgba(6,35,74,.04)}.history-entry>span{display:grid;place-items:center;flex:0 0 42px;height:42px;border-radius:13px;background:#e7f7f5;color:var(--teal-dark);font-size:24px}.history-entry div,.history-card div{min-width:0;flex:1}.history-entry b,.history-entry small,.history-card b,.history-card small{display:block}.history-entry small,.history-card small{margin-top:4px;color:var(--muted);font-size:11px;line-height:1.35}.history-entry>strong,.history-card>strong{font-size:25px;color:var(--muted)}.history-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.history-back{border-radius:12px;padding:9px 12px;font-weight:800}.history-list{display:grid;gap:10px}.history-card{margin:0}.outcome{flex:0 0 70px;text-align:center;border-radius:99px;padding:7px 8px;font-size:11px;font-weight:950}.outcome.win{background:#e6f8f1;color:var(--good)}.outcome.loss{background:#fff0ee;color:var(--bad)}.outcome.draw{background:#edf1f3;color:var(--muted)}.history-result{display:grid;gap:7px;margin:12px 0 16px;padding:22px;border-radius:22px;background:var(--navy);color:#fff}.history-result>span{width:max-content;border-radius:99px;padding:6px 10px;background:rgba(255,255,255,.15);font-size:11px;font-weight:950;text-transform:uppercase}.history-result>b{font-size:22px}.history-result>small{opacity:.78}.history-result.win{background:#087c69}.history-result.loss{background:#9b403b}.history-result.draw{background:#526571}
@media(max-width:560px){.grid{grid-template-columns:1fr}.home-actions{grid-template-columns:1fr 1fr}.home-actions .action-card:last-child{grid-column:1/-1}.bank-list{grid-template-columns:1fr}.app{padding-left:15px;padding-right:15px}.hero{border-radius:22px}.auth-card{padding:20px}.bank-tools{grid-template-columns:1fr 1fr}.bank-tools input{grid-column:1/-1}.question{font-size:18px}.mascot-pop{right:14px}}
.wrong-reason{margin-top:14px;padding-top:13px;border-top:1px solid var(--line);color:var(--bad)}.wrong-reason>div{margin-top:5px;color:var(--ink)}.compact-design .app{padding-top:13px}.compact-design .card{padding:13px;border-radius:15px}.compact-design .section-title{margin-top:17px}.compact-design .action-card{min-height:74px;padding:12px;border-radius:15px}
.builder-hero{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:8px 0 18px;padding:22px;border-radius:24px;background:linear-gradient(135deg,var(--navy),#124d69);color:#fff}.builder-hero h1{margin:5px 0}.builder-hero p{margin:0;opacity:.78;font-size:13px}.banked-ring{flex:0 0 112px;text-align:center;padding:16px 8px;border:1px solid rgba(255,255,255,.25);border-radius:18px;background:rgba(255,255,255,.09)}.banked-ring b,.banked-ring small{display:block}.banked-ring b{font-size:24px}.banked-ring small{margin-top:3px;font-size:10px;line-height:1.35;opacity:.78}.builder-step{display:flex;align-items:center;gap:10px;margin:18px 3px 9px}.builder-step>span{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:var(--teal);color:#042d31;font-weight:950}.builder-step b,.builder-step small{display:block}.builder-step small{margin-top:2px;color:var(--muted);font-size:11px}.builder-card{padding:15px}.session-economy{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:12px 0 16px}.session-economy span{padding:10px 7px;border-radius:11px;background:#f1f5f6;text-align:center;font-size:10px}.session-economy b{display:block;margin-top:3px;font-size:14px}.result-banner,.banked-total{margin:12px 0 16px;padding:22px;border-radius:22px;background:var(--navy);color:#fff}.result-banner span{font-size:11px;text-transform:uppercase;letter-spacing:1px;opacity:.75}.result-banner>b{display:block;margin:4px 0;font-size:46px}.result-banner p{margin:0;opacity:.82}.result-economy>div{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line)}.result-economy>div:last-child{border:0}.banked-total>b{display:block;margin:7px 0;font-size:34px}.banked-total>b small{font-size:14px;opacity:.72}.banked-total .progress{margin:12px 0 7px}.banked-total em{font-size:11px;font-style:normal;opacity:.75}.streak-card{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.streak-card b{font-size:22px;color:var(--teal-dark)}
.local-history-list{display:grid;gap:9px}.local-history-card{display:flex;align-items:center;gap:12px;width:100%;padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--card);text-align:left;box-shadow:0 4px 14px rgba(6,35,74,.04)}.local-history-card>div{min-width:0;flex:1}.local-history-card b,.local-history-card span{display:block}.local-history-card span{margin-top:4px;color:var(--muted);font-size:11px}.local-history-card>strong{font-size:18px}.local-history-card>i{color:var(--muted);font-size:24px;font-style:normal}
.text-action{display:block;margin:12px auto 0;border:0;background:transparent;color:var(--teal-dark);font-size:13px;font-weight:850}.danger{background:#fff0ee!important;color:#a53731!important;border:1px solid #ffc9c4!important}.settings-links{padding:4px 16px}.settings-links button{display:flex;justify-content:space-between;align-items:center;width:100%;padding:15px 2px;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;font-weight:800}.settings-links button:last-child{border-bottom:0}.settings-links b{font-size:22px;color:var(--muted)}.legal-copy h3{margin-top:22px}.legal-copy h3:first-child{margin-top:0}.legal-copy p{color:var(--muted);line-height:1.65}.notice-card{margin-top:12px;padding:16px;border-radius:16px;background:#fff8e6;border:1px solid #f4dfaa}.notice-card p{margin:5px 0 0;color:#755400;font-size:13px;line-height:1.5}
.question,.option span,.explanation,.review-body{min-width:0;max-width:100%;overflow-wrap:anywhere;word-break:normal}.question *,.option span *,.explanation *{max-width:100%!important}.question table,.option table,.explanation table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse}.question pre,.option pre,.explanation pre{max-width:100%;overflow-x:auto;white-space:pre-wrap}.question-media{max-width:100%;overflow:auto}.explanation-label{display:inline-flex;margin:0 0 9px;padding:5px 9px;border-radius:99px;background:#e7f7f5;color:var(--teal-dark);font-size:11px;font-weight:950;text-transform:uppercase;letter-spacing:.5px}.explanation-copy{margin-top:8px;line-height:1.65}.cloud-sync-note{display:flex;align-items:center;gap:8px;margin-top:10px;color:var(--muted);font-size:11px}.cloud-sync-note:before{content:"☁";color:var(--teal-dark)}
@media (orientation:landscape) and (max-height:620px){body{padding-bottom:62px}.app{max-width:980px;padding:10px 18px 18px}.top{margin-bottom:10px}.hero{margin:8px 0;padding:16px 20px;border-radius:18px}.points{font-size:32px}.nav{grid-template-columns:repeat(4,1fr);padding:4px 7px max(4px,env(safe-area-inset-bottom))}.nav b{display:inline;margin-right:6px;font-size:17px}.nav button{font-size:10px;padding:3px}.quiz-top{position:sticky;top:0;z-index:10;padding:4px 0;background:var(--paper)}.progress{margin:7px 0 12px}.question{font-size:16px;line-height:1.38;margin-bottom:10px}.options{grid-template-columns:1fr 1fr;gap:7px}.option{padding:9px 11px;border-radius:12px}.bottom-action{margin-top:10px}.explanation{margin-top:9px;padding:12px}.modal{align-items:center}.sheet{max-height:94vh;border-radius:22px;padding:18px}}
@media (min-width:900px) and (min-height:621px){body{padding:0 0 30px 108px}.app{width:min(1120px,calc(100vw - 148px));padding:30px 26px 40px}.nav{left:18px;top:50%;bottom:auto;transform:translateY(-50%);width:76px;grid-template-columns:1fr;padding:10px 7px;border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 35px rgba(6,35,74,.12)}.nav button{padding:11px 4px;border-radius:13px}.nav button.active{background:#e7f7f5}.nav b{font-size:24px;line-height:28px}.home-actions{grid-template-columns:repeat(4,1fr)}.bank-list{grid-template-columns:repeat(3,1fr);max-height:440px}.hero{padding:30px 34px}.builder-hero{padding:28px 30px}.options{grid-template-columns:1fr 1fr}.question{font-size:20px}.history-list,.review-list{grid-template-columns:1fr 1fr}.review-list .review-item[open]{grid-column:1/-1}.sheet{width:min(860px,calc(100% - 140px));border-radius:26px 26px 0 0}.auth{max-width:540px}.progress-summary{grid-template-columns:repeat(4,1fr)}}
.top-actions{display:flex;align-items:center;gap:8px;min-width:0}.collection-chip{border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:999px;padding:8px 11px;font-size:12px;font-weight:850;max-width:min(42vw,210px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.active-collection-card{width:100%;border:1px solid #b9ded8;background:linear-gradient(135deg,#fff,#effcf9);border-radius:18px;padding:14px 16px;margin:0 0 12px;text-align:left;display:grid;grid-template-columns:1fr auto;gap:2px 12px;color:var(--navy)}.active-collection-card span{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);grid-column:1}.active-collection-card b{font-size:17px;grid-column:1}.active-collection-card small{grid-column:2;grid-row:1/3;align-self:center;color:var(--teal-dark);font-weight:800}.active-collection-card.compact{margin-top:8px}
.collection-picker{padding-bottom:32px}.collection-brand{display:flex;gap:16px;align-items:center;background:linear-gradient(145deg,var(--navy),#174773);color:#fff;border-radius:24px;padding:20px;margin-bottom:22px;box-shadow:0 16px 36px rgba(6,35,74,.18)}.collection-brand img{width:68px;height:68px;border-radius:18px}.collection-brand span{font-size:11px;text-transform:uppercase;letter-spacing:.12em;opacity:.72}.collection-brand h1{color:#fff;margin:3px 0 5px;font-size:25px}.collection-brand p{margin:0;opacity:.82;font-size:13px}.collection-group{margin:0 0 20px}.collection-group h2{font-size:14px;text-transform:uppercase;letter-spacing:.08em;margin:0 0 9px;color:var(--muted)}.collection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.collection-card{min-height:126px;border:1px solid var(--line);background:#fff;border-radius:18px;padding:15px;text-align:left;display:flex;flex-direction:column;align-items:flex-start;color:var(--navy);box-shadow:0 5px 15px rgba(10,37,64,.05)}.collection-card.selected{border:2px solid var(--teal);background:#f0fffc}.collection-card span{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--teal-dark);font-weight:850}.collection-card b{font-size:17px;margin:5px 0}.collection-card small{color:var(--muted)}.collection-card i{margin-top:auto;color:var(--teal-dark);font-style:normal;font-weight:850;font-size:12px}
.study-tools{display:flex;gap:7px;margin:8px 0 10px}.study-tools button{flex:1;border:1px solid var(--line);background:#fff;border-radius:11px;padding:8px;color:var(--navy);font-size:12px;font-weight:800}.study-tools button.active{background:var(--navy);border-color:var(--navy);color:#fff}.option.crossed:not(.correct){opacity:.48}.option.crossed span{text-decoration:line-through;text-decoration-thickness:2px}.option.highlighted:not(.correct):not(.wrong){background:#fff6bd;border-color:#e7bd34;box-shadow:inset 4px 0 #e7bd34}.all-keys{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}.all-keys summary{cursor:pointer;color:var(--navy);font-weight:900}.key-explanation{margin-top:10px;padding:11px;border-radius:12px;background:#f6f8fa}.key-explanation.correct-key{background:#e9fbf3;border:1px solid #85d6b5}.key-explanation>div{margin-top:5px}.media-unavailable{display:inline-block;padding:10px 12px;border:1px dashed var(--line);border-radius:10px;color:var(--muted);font-size:12px}
@media(max-width:520px){.collection-grid{grid-template-columns:1fr}.collection-brand{align-items:flex-start}.collection-brand img{width:54px;height:54px}.collection-brand h1{font-size:21px}.collection-chip{max-width:34vw}}
.option-shell{display:grid;grid-template-columns:minmax(0,1fr) 38px;align-items:stretch;gap:7px;min-width:0}.option-shell>.option{height:100%;margin:0}.option-side-tools{display:grid;grid-template-rows:1fr 1fr;gap:5px}.strike-option,.highlight-option{display:grid;place-items:center;min-height:29px;border:1px solid var(--line);border-radius:10px;background:#fff;color:#75848d;font-weight:700;line-height:1}.strike-option{font-size:23px;font-weight:500}.highlight-option{font-size:15px}.strike-option:hover,.strike-option:focus-visible{border-color:var(--coral);color:var(--bad);background:#fff7f6}.strike-option.active{border-color:var(--bad);background:#fff0ee;color:var(--bad);font-weight:900}.highlight-option:hover,.highlight-option:focus-visible,.highlight-option.active{border-color:#d4aa20;background:#fff4a8;color:#765800}.strike-option:disabled,.highlight-option:disabled{opacity:.38}.option.selected{border-width:2px;box-shadow:0 0 0 3px rgba(0,191,174,.12);background:#dcfaf4}.option.highlighted:not(.selected):not(.correct):not(.wrong){background:#fff5aa;border-color:#d5ae25;box-shadow:inset 5px 0 #e2bd2d}.option.crossed:not(.correct){opacity:.52;background:#f1f3f4}.option.crossed span{text-decoration:line-through;text-decoration-thickness:2px}.legacy-center{text-align:center}.question sub,.option sub,.explanation sub{font-size:.72em;line-height:0;vertical-align:sub}.source-link{display:inline-flex;margin:-7px 0 16px;padding:7px 10px;border-radius:9px;background:#eaf3ff;color:#175ea8!important;text-decoration:none!important;font-size:12px;font-weight:850}.question a,.explanation a,.option a{color:#1268bb;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:2px;font-weight:750}.question img,.option img,.explanation img,.review-body img{cursor:zoom-in;border-radius:10px;transition:transform .15s,box-shadow .15s}.question img:hover,.explanation img:hover{box-shadow:0 8px 24px rgba(6,35,74,.18);transform:translateY(-1px)}
.media-viewer{position:fixed;z-index:120;inset:0;display:grid;place-items:center;padding:22px;background:rgba(2,13,29,.9);backdrop-filter:blur(5px)}.media-viewer>div{display:grid;place-items:center;max-width:min(96vw,1500px);max-height:92vh}.media-viewer img{display:block;max-width:100%;max-height:84vh;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 24px 70px rgba(0,0,0,.45)}.media-viewer p{margin:10px 0 0;color:#fff;font-size:12px}.media-close{position:fixed;right:22px;top:18px;display:grid;place-items:center;width:46px;height:46px;border:1px solid rgba(255,255,255,.4);border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:30px;z-index:2}
@media (min-width:900px) and (min-height:621px){.app:has(.quiz-top){width:min(1280px,calc(100vw - 132px));padding-left:38px;padding-right:38px}.app:has(.quiz-top)>.question{padding:22px 26px;margin:12px 0 16px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 5px 18px rgba(6,35,74,.04);font-size:19px;line-height:1.58}.app:has(.quiz-top)>.options{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 14px}.app:has(.quiz-top) .bottom-action{display:flex;justify-content:flex-end;position:sticky;bottom:12px;z-index:8}.app:has(.quiz-top) .bottom-action .block{width:min(380px,100%);box-shadow:0 12px 30px rgba(6,35,74,.16)}.app:has(.quiz-top)>.explanation{padding:22px 24px}.question-media{display:flex;justify-content:center}.question-media img{max-height:460px;object-fit:contain}.collection-picker{width:min(1040px,calc(100vw - 150px))}.collection-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:560px){.option-shell{grid-template-columns:minmax(0,1fr) 36px;gap:6px}.strike-option{border-radius:12px}.media-viewer{padding:12px}.media-close{right:12px;top:12px}.question-media img{max-height:65vh;object-fit:contain}}
.question{user-select:text;-webkit-user-select:text;cursor:text;touch-action:pan-y}.question::selection,.question *::selection{background:#ffe16b;color:#17212b}.question-text-highlight{padding:0 .08em;border-radius:3px;background:#ffe16b;color:inherit;box-decoration-break:clone;-webkit-box-decoration-break:clone}.question-highlight-tools{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:-7px 0 15px;color:var(--muted);font-size:11px}.question-highlight-tools button{border:1px solid #d7b43a;background:#fff8cf;color:#624d00;border-radius:10px;padding:7px 10px;font-size:11px;font-weight:850}.question-filter-field{padding:12px;border:1px solid #d9e5e7;border-radius:14px;background:#f8fbfc}.question-filter-field p{margin:6px 0 0}
@media (min-width:900px) and (min-height:621px){.app:has(.builder-hero){width:min(1320px,calc(100vw - 138px));padding-left:34px;padding-right:34px}.app:has(.builder-hero) .bank-list{grid-template-columns:repeat(4,minmax(0,1fr));max-height:min(52vh,560px);gap:9px}.app:has(.builder-hero) .bank-row{min-height:54px;padding:12px 14px;font-size:13px}.app:has(.builder-hero) .builder-card{padding:19px}.app:has(.builder-hero) .builder-hero{padding:25px 30px}.question-highlight-tools{margin:-8px 0 17px}.question-highlight-tools span{margin-right:auto}}
.nav{grid-template-columns:repeat(5,1fr)}.flash-hero{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:8px 0 14px;padding:23px 25px;border-radius:24px;background:linear-gradient(135deg,#4d171b,#8f2931);color:#fff;box-shadow:0 14px 35px rgba(77,23,27,.18)}.flash-hero span{font-size:10px;text-transform:uppercase;letter-spacing:.13em;opacity:.74}.flash-hero h1{margin:4px 0}.flash-hero p{margin:0;opacity:.82;font-size:12px}.flash-hero>div:last-child{min-width:92px;padding:13px;border:1px solid rgba(255,255,255,.25);border-radius:17px;background:rgba(255,255,255,.09);text-align:center}.flash-hero>div:last-child b,.flash-hero>div:last-child small{display:block}.flash-hero>div:last-child b{font-size:27px}.flash-hero>div:last-child small{font-size:10px;opacity:.78}.flash-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:10px 0}.flash-toolbar .primary{padding:11px 14px}.flash-toolbar label{font-size:11px;color:var(--muted)}.flash-toolbar select{margin-left:5px;border:1px solid var(--line);border-radius:9px;padding:7px;background:#fff}.flash-media-status{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:12px 0;padding:13px 14px;border:1px solid #ead4a0;border-radius:15px;background:#fff9e8}.flash-media-status.connected{border-color:#a9ddd1;background:#effcf8}.flash-media-status b,.flash-media-status span{display:block}.flash-media-status b{font-size:12px}.flash-media-status span{margin-top:3px;color:var(--muted);font-size:10px}.flash-media-status button{flex:0 0 auto;border:1px solid var(--line);border-radius:10px;background:#fff;padding:8px 10px;font-size:10px;font-weight:900}.flash-deck-tree{display:grid;gap:7px}.flash-tree-node{border-left:1px solid #d7dee0;margin-left:7px;padding-left:10px}.flash-tree-node>summary{display:flex;justify-content:space-between;gap:10px;padding:10px 5px;cursor:pointer;color:var(--navy);font-size:13px;font-weight:900}.flash-tree-node>summary b{color:var(--muted);font-size:11px}.flash-tree-node>div{display:grid;gap:6px}.flash-deck{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:62px;border:1px solid var(--line);border-radius:15px;background:#fff;padding:12px 14px;text-align:left;box-shadow:0 4px 12px rgba(6,35,74,.035)}.flash-deck.compact{min-height:52px}.flash-deck.personal{margin-bottom:10px;border-color:#d5b0b3;background:#fff8f7}.flash-deck span,.flash-deck b,.flash-deck small{display:block}.flash-deck small{margin-top:3px;color:var(--muted);font-size:10px}.flash-deck i{flex:0 0 auto;color:#8f2931;font-style:normal;font-size:11px;font-weight:900}.flash-review-top{display:grid;grid-template-columns:64px 1fr 64px;align-items:center;text-align:center;gap:10px}.flash-review-top button{border:0;border-radius:12px;background:#e6ecee;padding:9px;font-weight:850}.flash-review-top div b,.flash-review-top div small{display:block}.flash-review-top div small{margin-top:3px;color:var(--muted);font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.flash-card{min-height:390px;padding:35px 34px;margin:12px 0 18px;border:1px solid #ddcfcb;border-radius:20px;background:#fbf8f4;color:#251a17;box-shadow:0 12px 32px rgba(55,28,20,.08);font-family:Georgia,"Times New Roman",serif;font-size:20px;line-height:1.58;text-align:center;overflow-wrap:anywhere}.flash-card .flash-model{margin-bottom:24px;color:#9b2c34;font-family:Inter,system-ui,sans-serif;font-size:10px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.flash-card hr{width:min(380px,80%);border:0;border-top:2px solid #ad343c;margin:27px auto}.flash-front,.flash-back,.flash-extra,.flash-source{text-align:left}.flash-card img,.flash-card video{display:block;max-width:100%;max-height:520px;margin:14px auto;border-radius:10px;object-fit:contain}.flash-card audio{width:100%;margin:12px 0}.cloze-hidden{color:#b12833;font-weight:800}.cloze-answer{background:#ffe08b;color:#8d1722;font-weight:850}.flash-extra{margin-top:24px;padding:17px;border-radius:14px;background:#fff;border-left:4px solid #ad343c;font-size:16px}.flash-extra h3{font-family:Inter,system-ui,sans-serif;font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:#8f2931}.flash-source{margin-top:10px;border:1px solid #e0d4d0;border-radius:12px;background:#fff;font-size:15px}.flash-source summary{padding:11px 13px;cursor:pointer;color:#8f2931;font-family:Inter,system-ui,sans-serif;font-size:11px;font-weight:900}.flash-source>div{padding:4px 14px 14px}.flash-show{max-width:520px;margin:0 auto}.flash-ratings{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.flash-ratings button{border:1px solid var(--line);border-radius:13px;padding:10px 5px;background:#fff}.flash-ratings span,.flash-ratings small{display:block}.flash-ratings span{font-size:11px;font-weight:900}.flash-ratings small{margin-top:4px;color:var(--muted);font-size:9px}.flash-ratings .again{border-color:#e8aaa5;background:#fff3f1;color:#a7352e}.flash-ratings .hard{border-color:#e5c28c;background:#fff8eb;color:#855b19}.flash-ratings .good{border-color:#9bd6c1;background:#effbf6;color:#08775f}.flash-ratings .easy{border-color:#9ebfe5;background:#f0f7ff;color:#225f9f}.flash-media-missing{display:block;margin:12px 0;padding:12px;border:1px dashed #c7b7b0;border-radius:10px;color:#76665f;font-family:Inter,system-ui,sans-serif;font-size:11px;text-align:center}.flash-complete{text-align:center;padding:48px 20px 26px}.flash-complete>span{display:grid;place-items:center;width:80px;height:80px;margin:auto;border-radius:50%;background:#e8f9f4;color:var(--good);font-size:40px}.flash-complete h1{margin-top:16px}.flash-session-stats{grid-template-columns:repeat(3,1fr);margin-bottom:14px}.flash-session-stats .card{text-align:center}.flash-session-stats b,.flash-session-stats small{display:block}.flash-session-stats b{font-size:28px}.flash-session-stats small{color:var(--muted);font-size:10px}.flash-editor textarea{width:100%;resize:vertical;border:1px solid #cbd7da;border-radius:13px;padding:12px;outline:none;font:14px/1.5 ui-monospace,Consolas,monospace}.editor-tools{display:flex;gap:6px;margin-top:6px}.editor-tools button{border:1px solid var(--line);border-radius:8px;background:#f5f7f8;padding:6px 9px;font-size:10px;font-weight:850}.flash-search-results{display:grid;grid-template-columns:1fr 1fr;gap:8px}
@media(max-width:560px){.flash-hero{padding:18px}.flash-media-status{align-items:flex-start}.flash-card{min-height:330px;padding:24px 20px;font-size:18px}.flash-ratings{gap:5px}.flash-ratings button{padding:9px 2px}.flash-search-results{grid-template-columns:1fr}.flash-review-top{grid-template-columns:48px 1fr 56px}.flash-toolbar{align-items:stretch}.flash-toolbar .primary{font-size:11px}}
@media (min-width:900px) and (min-height:621px){.app:has(.flash-hero),.app:has(.flash-review-top){width:min(1240px,calc(100vw - 140px))}.flash-deck-tree{grid-template-columns:1fr 1fr;align-items:start}.flash-tree-node{break-inside:avoid}.flash-card{min-height:440px;padding:44px 52px;font-size:21px}.flash-ratings{max-width:780px;margin:0 auto}.flash-editor{width:min(920px,calc(100% - 140px))}}
.flash-deck-tree{display:block;max-width:900px;margin:0 auto}.flash-tree-node{margin:6px 0 6px calc(var(--deck-depth,0)*8px);padding:0;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}.flash-tree-node>summary{align-items:center;padding:13px 14px;list-style:none}.flash-tree-node>summary::-webkit-details-marker{display:none}.flash-tree-title{display:flex;align-items:center;gap:9px;min-width:0}.flash-tree-title>i{display:inline-block;color:#8f2931;font-size:20px;font-style:normal;transition:transform .15s}.flash-tree-node[open]>summary .flash-tree-title>i{transform:rotate(90deg)}.flash-tree-node>summary small{color:var(--muted);font-size:10px;white-space:nowrap}.flash-tree-children{display:grid!important;gap:5px!important;padding:0 8px 8px 18px;border-top:1px solid #edf1f2}.flash-tree-children>.flash-tree-node{margin-left:8px}.flash-deck{min-height:54px;margin:6px 0;padding:10px 13px 10px calc(13px + var(--deck-depth,0)*4px);box-shadow:none}.flash-deck:hover{border-color:#c78a90;background:#fffafa}.flash-deck.compact{background:#fff8f7}.flash-shortcut{margin:-9px auto 9px;color:var(--muted);font-size:10px;text-align:center}
.flash-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:18px;text-align:left}.flash-fields>h3{grid-column:1/-1;margin:0 0 2px;color:#8f2931;font-family:Inter,system-ui,sans-serif;font-size:11px;text-transform:uppercase;letter-spacing:.1em}.flash-fields .flash-source{margin:0}.flash-fields .flash-source[open]{grid-column:1/-1}.flash-fields .flash-source summary{border-radius:11px;background:#fff8f7}.flash-fields .flash-source[open] summary{border-bottom:1px solid #eadbd6;border-radius:11px 11px 0 0;background:#f9ece9}.flash-media-status.embedded{border-color:#8bd4c1;background:#eafff8}.flash-media-status.embedded:before{content:"✓";display:grid;place-items:center;flex:0 0 30px;height:30px;border-radius:50%;background:#0a967c;color:#fff;font-weight:900}
.flash-deck-main{display:flex!important;align-items:center;gap:10px;min-width:0}.flash-deck-main>span{min-width:0}.flash-deck-icon{display:grid!important;place-items:center;flex:0 0 31px;height:31px;border-radius:9px;background:#f5e8e6;color:#9b2c34;font-size:17px;font-style:normal}.flash-study-link{flex:0 0 auto}.flash-deck:not(.compact){border-color:#dce3e5;background:linear-gradient(90deg,#fff 0,#fff 96%,#f8efed 96%)}
@media(max-width:560px){.flash-fields{grid-template-columns:1fr}}
@media (min-width:900px) and (min-height:621px){body{padding-left:124px}.app{width:min(1120px,calc(100vw - 164px))}.nav{left:18px;width:92px;grid-template-columns:1fr!important;padding:10px 7px}.nav button{width:100%;padding:10px 3px}.nav b{font-size:23px}.flash-deck-tree{grid-template-columns:1fr}.app:has(.flash-hero),.app:has(.flash-review-top){width:min(1240px,calc(100vw - 164px))}}

/* v2.6 study controls */
.study-quick-tools{display:flex;align-items:center;justify-content:flex-end;gap:7px;flex-wrap:wrap;margin:-7px 0 15px}.study-quick-tools button{border:1px solid var(--line);border-radius:10px;background:#fff;padding:7px 10px;color:var(--navy);font-size:11px;font-weight:850}.study-quick-tools button.active{border-color:#d7b43a;background:#fff4ae;color:#594500}.study-quick-tools .study-pen-toggle.active{border-color:#dd6d63;background:#fff0ed;color:#a92d27}.study-quick-tools kbd{margin-left:5px;padding:1px 5px;border:1px solid rgba(0,0,0,.14);border-radius:5px;background:rgba(255,255,255,.65);font:9px/1.5 system-ui}.question,.flash-card{position:relative}.study-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:8;pointer-events:auto;touch-action:none;cursor:crosshair;border-radius:inherit}.study-pen-active{user-select:none!important;-webkit-user-select:none!important}.settings-divider{height:1px;margin:21px 0;background:var(--line)}.settings-subtitle{margin:0 0 12px;font-size:16px}.shortcut-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:14px 0}.shortcut-grid label{color:var(--muted);font-size:10px;font-weight:800}.shortcut-input{width:100%;margin-top:5px;text-align:center;cursor:pointer;font-weight:900}.flash-card::selection,.flash-card *::selection{background:#ffe16b;color:#17212b}
@media(max-width:620px){.shortcut-grid{grid-template-columns:1fr}.study-quick-tools{justify-content:stretch}.study-quick-tools button{flex:1}.study-quick-tools kbd{display:none}}
[data-edition="light"] .nav{grid-template-columns:repeat(4,1fr)}
[data-edition="qxplay"] .nav{grid-template-columns:repeat(4,1fr)}

/* Reading tools and faithful, scrollable Qx tables. */
.question,.explanation,.review-body,.option span{overflow-x:auto}
.question table,.option table,.explanation table,.review-body table{display:table;table-layout:auto;width:max-content;min-width:min(100%,320px);max-width:none!important;margin:14px 0;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;font-size:.88em}
.question th,.question td,.option th,.option td,.explanation th,.explanation td,.review-body th,.review-body td{padding:9px 12px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:left;vertical-align:top;white-space:normal;min-width:85px}
.question tr:last-child>*,.option tr:last-child>*,.explanation tr:last-child>*,.review-body tr:last-child>*{border-bottom:0}
.question tr:nth-child(even),.option tr:nth-child(even),.explanation tr:nth-child(even),.review-body tr:nth-child(even){background:#f4f9fa}
.study-zoom-controls{display:flex;justify-content:flex-end;align-items:center;gap:7px;margin:0 0 12px;color:var(--muted);font:700 12px/1.2 system-ui,sans-serif}
.study-zoom-controls button{border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:9px;min-width:34px;min-height:32px;font-size:19px;font-weight:900}
.study-zoom-controls output{min-width:43px;text-align:center}
.question{font-size:calc(19px * var(--study-zoom,1))}
.option,.explanation,.review-body{font-size:calc(1rem * var(--study-zoom,1))}
.flash-card{font-size:calc(20px * var(--study-zoom,1))}
.explanation mark,.review-body mark{background:#ffeb83;color:inherit;padding:0 1px;border-radius:2px}
.study-canvas.study-screen-canvas{position:fixed;inset:0;width:100vw;height:100vh;border-radius:0;z-index:120}
.study-pen-exit{position:fixed;left:16px;bottom:max(16px,env(safe-area-inset-bottom));z-index:121;border:1px solid #e19c94;border-radius:99px;background:#fff0ed;color:#8f2420;padding:11px 16px;font-weight:900;box-shadow:0 8px 25px rgba(0,0,0,.15)}
.study-screen-canvas[hidden],.study-pen-exit[hidden]{display:none!important}
[data-edition="qxlite"] .nav{grid-template-columns:repeat(4,1fr)}
[data-edition="qxlite"] .home-actions{grid-template-columns:1fr}
::highlight(medireto-explanation){background:#ffeb83;color:inherit}
/* Follow the actual tab count: Full, Lite and web do not expose the same tabs. */
@media (max-width:899px), (max-height:620px){.nav{grid-template-columns:none!important;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr)}.nav button{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding-inline:2px}}
@media(max-width:380px){.nav button{font-size:9px}.nav b{font-size:19px}}
.tv-live-panel{margin:18px 0;padding:16px;border:1px solid var(--line,#dce4e8);border-radius:16px;background:var(--surface,#fff)}.tv-live-qhead{font-weight:700;margin-bottom:12px}.tv-live-question{margin-bottom:14px}.tv-live-options{display:grid;gap:9px}.tv-live-option{display:grid;grid-template-columns:32px minmax(0,1fr);gap:8px;align-items:start;padding:10px;border:1px solid var(--line,#e1e7eb);border-radius:12px}.tv-live-option> b{display:grid;place-items:center;width:26px;height:26px;border-radius:8px;background:#edf2f5}.tv-live-marks{grid-column:2;display:flex;flex-wrap:wrap;gap:5px;margin-top:2px}.tv-live-mark{display:inline-flex;padding:3px 8px;border-radius:999px;background:color-mix(in srgb,var(--mark) 12%,white);border:1px solid color-mix(in srgb,var(--mark) 36%,white);color:var(--mark);font-size:.76rem;font-weight:700}
.question-text-highlight{padding:0!important}
@media (min-width:900px){.wide-study .app:has(.quiz-top){width:calc(100vw - 132px);max-width:none}.wide-study .app:has(.quiz-top)>.question{font-size:calc(clamp(19px,1.3vw,23px) * var(--study-zoom,1))}}
.regular-study-text .app:has(.quiz-top)>.question,.regular-study-text .app:has(.quiz-top)>.question *,.regular-study-text .app:has(.quiz-top) .option,.regular-study-text .app:has(.quiz-top) .option span,.regular-study-text .app:has(.quiz-top) .option span *{font-weight:400!important}
.quiz-accuracy{font-size:12px;color:var(--muted);margin:4px 0 9px;text-align:right}
.all-explanations{margin-top:15px;border-top:1px solid var(--line);padding-top:12px}.all-explanations details{border-top:1px solid var(--line);padding:9px 0}.all-explanations summary{cursor:pointer;font-weight:700}