:root{--navy:#1b3a73;--navy-deep:#122a57;--ink:#142445;--gold:#e2bf6a;--gold-text:#8a6a1f;--paper:#f7f3ea;--paper-2:#efe8d8;--card:#fff;--line:#ddd3bd;--muted:#4a5470;--good:#1e7a4c;--good-bg:#e6f3ec;--warn:#9a5b00;--warn-bg:#fdf1dc;--bad:#a3282a;--bad-bg:#fbe9e8;--serif:"Cormorant Garamond", Georgia, serif;--caps:"Cinzel", Georgia, serif;--sans:"Manrope", system-ui, sans-serif;--tab-h:64px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body,#root{min-height:100%}body{background:var(--paper);color:var(--ink);font:16px/1.55 var(--sans);-webkit-font-smoothing:antialiased;margin:0}h1,h2,h3{text-wrap:balance;margin:0;line-height:1.15}h1{font-family:var(--serif);font-size:34px;font-weight:600}h2{font-family:var(--serif);font-size:26px;font-weight:600}h3{font-size:17px}p{margin:0}a{color:var(--navy)}button{font:inherit}:focus-visible{outline:3px solid var(--gold);outline-offset:2px}.app{flex-direction:column;min-height:100vh;display:flex}.topbar{z-index:10;background:var(--navy);color:#fff;padding:calc(env(safe-area-inset-top,0px) + 10px) 16px 10px;align-items:center;gap:10px;display:flex;position:sticky;top:0}.topbar .brand{font-family:var(--caps);letter-spacing:.12em;color:var(--gold);align-items:center;gap:8px;font-size:15px;font-weight:700;text-decoration:none;display:flex}.topbar .spacer{flex:1}.topbar .pill{color:#fff;background:#ffffff1f;border-radius:20px;padding:4px 10px;font-size:12px;font-weight:700;text-decoration:none}.main{width:100%;max-width:760px;padding:20px 16px calc(var(--tab-h) + 32px + env(safe-area-inset-bottom,0px));flex-direction:column;flex:1;gap:18px;margin:0 auto;display:flex}.tabs{z-index:10;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px);background:#fff;grid-template-columns:repeat(5,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.tabs a{height:var(--tab-h);color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:2px;font-size:11px;font-weight:700;text-decoration:none;display:flex}.tabs a.active{color:var(--navy)}.tabs a.active svg{stroke:var(--navy)}.footer-disclaimer{color:var(--muted);border-top:1px solid var(--line);margin-top:8px;padding-top:14px;font-size:12px;line-height:1.6}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}.card.navy{background:var(--navy);color:#fff;border-color:var(--navy)}.card.navy .muted{color:#c3cde3}.stack{flex-direction:column;gap:12px;display:flex}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.grid2{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.grid3{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}@media (width<=520px){.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}}.muted{color:var(--muted)}.eyebrow{letter-spacing:.14em;text-transform:uppercase;color:var(--gold-text);font-size:12px;font-weight:700}.card.navy .eyebrow{color:var(--gold)}.big-num{font-family:var(--serif);font-variant-numeric:tabular-nums;font-size:40px;font-weight:600;line-height:1}.btn{cursor:pointer;background:var(--navy);color:#fff;border:2px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:8px;min-height:48px;padding:0 20px;font-size:15px;font-weight:700;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.gold{background:var(--gold);color:var(--ink)}.btn.ghost{border-color:var(--navy);color:var(--navy);background:0 0}.btn.light{color:#fff;background:0 0;border-color:#fff9}.btn.block{width:100%}.btn.sm{min-height:38px;padding:0 14px;font-size:14px}.chip{border:1.5px solid var(--line);cursor:pointer;min-height:40px;color:var(--ink);background:#fff;border-radius:20px;align-items:center;padding:0 14px;font-size:14px;font-weight:600;display:inline-flex}.chip.on{border-color:var(--navy);background:var(--navy);color:#fff}.field{flex-direction:column;gap:6px;display:flex}.field label{font-size:14px;font-weight:700}.input,select.input,textarea.input{border:1px solid var(--line);min-height:46px;font:500 16px var(--sans);color:var(--ink);background:#fff;border-radius:10px;width:100%;padding:10px 12px}textarea.input{resize:vertical;min-height:90px}.banner{border-radius:12px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;font-size:14px;display:flex}.banner.trial{background:var(--warn-bg);color:var(--warn)}.banner.info{background:var(--paper-2)}.notice{background:var(--paper-2);border-radius:10px;padding:12px 14px;font-size:14px}.error{color:var(--bad);font-size:14px}.qcard{flex-direction:column;gap:14px;display:flex}.qmeta{color:var(--muted);flex-wrap:wrap;gap:8px;font-size:12px;font-weight:700;display:flex}.qmeta span{background:var(--paper-2);border-radius:20px;padding:3px 10px}.qtext{font-size:18px;font-weight:600;line-height:1.5}.case-box{background:var(--paper-2);white-space:pre-line;border-radius:12px;max-height:260px;padding:14px;font-size:15px;overflow:auto}.options{flex-direction:column;gap:10px;display:flex}.opt{text-align:left;border:1.5px solid var(--line);cursor:pointer;width:100%;min-height:52px;color:var(--ink);background:#fff;border-radius:12px;align-items:flex-start;gap:12px;padding:12px 14px;font-size:16px;display:flex}.opt .key{background:var(--paper-2);border-radius:50%;flex:none;place-items:center;width:28px;height:28px;font-size:14px;font-weight:700;display:grid}.opt.sel{border-color:var(--navy)}.opt.sel .key{background:var(--navy);color:#fff}.opt.right{border-color:var(--good);background:var(--good-bg)}.opt.right .key{background:var(--good);color:#fff}.opt.wrong{border-color:var(--bad);background:var(--bad-bg)}.opt.wrong .key{background:var(--bad);color:#fff}.opt:disabled{cursor:default}.opt.struck{opacity:.45;text-decoration:line-through}.dc-note{border:1.5px solid var(--gold);background:#fff;border-radius:12px;gap:12px;padding:14px;display:flex}.dc-avatar{background:var(--navy);width:36px;height:36px;color:var(--gold);font-family:var(--caps);border-radius:50%;flex:none;place-items:center;font-size:13px;font-weight:700;display:grid}.ai-tag{letter-spacing:.08em;background:var(--gold);color:var(--ink);vertical-align:middle;border-radius:20px;margin-left:6px;padding:2px 7px;font-size:10px;font-weight:700}.explain{background:var(--paper-2);border-radius:12px;flex-direction:column;gap:10px;padding:14px;display:flex}.remember{border-left:3px solid var(--gold);padding-left:12px;font-weight:700}.progress-line{background:var(--paper-2);border-radius:3px;height:6px;overflow:hidden}.progress-line>div{background:var(--navy);height:100%}.scorebar{background:var(--paper-2);border-radius:7px;height:14px;position:relative}.scorebar .fill{background:var(--navy);border-radius:7px;position:absolute;inset:0 auto 0 0}.scorebar .mark{width:2px;height:24px;position:absolute;top:-5px}.scorebar .mark.pass{background:var(--bad)}.scorebar .mark.target{background:var(--gold-text)}.legend{color:var(--muted);justify-content:space-between;margin-top:6px;font-size:12px;display:flex}.stamps{flex-wrap:wrap;gap:10px;display:flex}.stamp{border:2px dashed var(--line);text-align:center;width:84px;height:84px;color:var(--muted);border-radius:50%;place-items:center;padding:8px;font-size:10px;font-weight:700;line-height:1.2;display:grid}.stamp.got{border:2px solid var(--navy);color:var(--navy);box-shadow:inset 0 0 0 4px #fff, inset 0 0 0 5px var(--navy);background:#fff;transform:rotate(-8deg)}.flash{perspective:1000px}.flash-inner{min-height:260px;transform-style:preserve-3d;cursor:pointer;transition:transform .45s;position:relative}.flash.flipped .flash-inner{transform:rotateY(180deg)}.flash-face{backface-visibility:hidden;border:1px solid var(--line);background:#fff;border-radius:16px;flex-direction:column;justify-content:center;gap:10px;padding:22px;display:flex;position:absolute;inset:0}.flash-face.back{background:var(--navy);color:#fff;transform:rotateY(180deg)}@media (prefers-reduced-motion:reduce){.flash-inner{transition:none}}.chat{flex-direction:column;gap:10px;display:flex}.bubble{white-space:pre-wrap;border-radius:14px;max-width:88%;padding:10px 14px;font-size:15px}.bubble.me{background:var(--navy);color:#fff;align-self:flex-end}.bubble.dc{border:1px solid var(--line);background:#fff;align-self:flex-start}.tbl-wrap{overflow-x:auto}table.tbl{border-collapse:collapse;width:100%;font-size:14px}table.tbl th,table.tbl td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:8px 10px}table.tbl th{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-size:12px}.num{font-variant-numeric:tabular-nums;text-align:right}.auth-wrap{background:var(--navy);place-items:center;min-height:100vh;padding:24px 16px;display:grid}.auth-card{background:var(--paper);border-radius:18px;flex-direction:column;gap:14px;width:100%;max-width:420px;padding:26px 22px;display:flex}.divider{color:var(--muted);align-items:center;gap:10px;font-size:13px;display:flex}.divider:before,.divider:after{content:"";background:var(--line);flex:1;height:1px}.timer{font-variant-numeric:tabular-nums;font-weight:700}.qnav{grid-template-columns:repeat(10,minmax(0,1fr));gap:6px;display:grid}.qnav button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:6px;min-height:34px;padding:0;font-size:12px;font-weight:700}.qnav button.done{background:var(--navy);color:#fff;border-color:var(--navy)}.qnav button.cur{outline:2px solid var(--gold)}.qnav button.flag{border-color:var(--warn);border-width:2px}.brand-lockup{flex-direction:column;line-height:1.15;display:flex}.brand-with{letter-spacing:.02em;opacity:.85;text-transform:none;font-family:Cormorant Garamond,serif;font-size:12px;font-style:italic;font-weight:500}.optrow{align-items:stretch;gap:8px;display:flex}.optrow .opt{flex:1;min-width:0}.xbtn{border:1.5px solid var(--line,#ddd3bd);color:#4a5470;cursor:pointer;background:0 0;border-radius:10px;min-width:48px;font-size:22px;line-height:1}.xbtn[aria-pressed=true]{background:#efe8d8}.opt.crossed{opacity:.45;text-decoration:line-through}.case-details>summary{cursor:pointer;align-items:center;min-height:44px;padding:8px 0;font-weight:600;display:flex}html{-webkit-text-size-adjust:100%}.small{font-size:14px}.qmeta{font-size:13px}.chip{min-height:44px;font-size:15px}.btn{font-size:16px}.btn.sm{min-height:44px}.opt{min-height:56px}.tabs a{font-size:12px}.qnav{grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:8px}.qnav button{min-height:44px;font-size:14px}.case-box{max-height:40vh;font-size:16px;line-height:1.55}.qtext{font-size:18px}.today{gap:8px;display:grid}.today .bar{background:var(--paper-2);border-radius:6px;height:10px;overflow:hidden}.today .bar>div{background:var(--navy);height:100%}.btn.big{width:100%;min-height:60px;font-size:18px}img,svg,table{max-width:100%}.main,.card{overflow-wrap:anywhere;min-width:0}@media (width>=900px){.app{padding-left:96px}.topbar{margin-left:-96px;padding-left:112px}.tabs{border-top:0;border-right:1px solid var(--line);flex-direction:column;justify-content:center;gap:4px;width:96px;padding-top:56px;display:flex;top:0;bottom:0;right:auto}.tabs a{width:100%;height:76px}.main{max-width:1040px;padding-bottom:40px}.qcard.hascase{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);align-content:start;gap:14px 24px;display:grid}.qcard.hascase>*{grid-column:2}.qcard.hascase>.case-details{grid-area:1/1/span 12;align-self:start;position:sticky;top:76px}.qcard.hascase .case-box{max-height:calc(100vh - 160px)}}.topbar .pill,.topbar .brand,.brand-lockup{white-space:nowrap}.topbar .brand .brand-lockup{letter-spacing:.1em;font-size:14px}.topbar .brand .brand-with{letter-spacing:.02em;font-size:11px}@media (width<=520px){.topbar a.pill[aria-label=Account]{display:none}.topbar{gap:8px}}.md ul,.md ol{gap:6px;padding-left:22px;display:grid}.md h3{margin-top:6px}.md p,.md li{font-size:16px;line-height:1.55}.rule-tag{background:var(--paper-2);border:1px solid var(--line);white-space:nowrap;border-radius:12px;padding:1px 8px;font-size:12px;font-weight:700;display:inline-block}.rule-tag.warn{background:var(--warn-bg,#fdecd2);border-color:var(--warn,#9a5b00)}.print-only{display:none}@media print{.tabs,.topbar,.no-print,.banner{display:none!important}.print-only{display:block}.app{padding-left:0!important}.main{max-width:none;padding:0}.keysheet{break-inside:avoid-page;box-shadow:none;border:0}body{background:#fff}}.tbl-wrap{-webkit-overflow-scrolling:touch;overflow-x:auto}table.tbl th,table.tbl td{overflow-wrap:normal;word-break:normal;vertical-align:top}.md table.tbl{min-width:520px}.md table.tbl td,.md table.tbl th{padding:8px 10px}
