@charset "UTF-8";
:root{color-scheme:dark;--bg:#0b1425;--panel:#142239;--panel2:#1b2c45;--line:#33445c;--text:#eef1f5;--muted:#b4bdca;--accent:#d9b568;--navy:#17243b;--card:#d5d9df;--ink:#152238;--error:#ffb5a7;--r:14px;--r-sm:8px;--space:24px;font-family:"Segoe UI",system-ui,-apple-system,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);min-width:300px}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:4px}input,textarea,select{max-width:100%}[hidden]{display:none!important}.shell{max-width:1120px;margin:auto;padding:0 36px env(safe-area-inset-bottom)}.topbar{height:110px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-size:32px;font-weight:800;letter-spacing:-1.7px}.brand svg{width:40px;height:40px;fill:none;stroke:var(--accent);stroke-width:1.6}.brand-dot{color:var(--accent)}.identity{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px}.online-dot{width:6px;height:6px;background:var(--accent);border-radius:50%}.tabs{display:flex;gap:30px;border-bottom:1px solid var(--line);margin-bottom:36px;overflow-x:auto;scrollbar-width:thin}.tab{border:0;background:none;color:var(--muted);padding:8px 0 18px;font-size:14px;font-weight:650;white-space:nowrap;border-bottom:2px solid transparent;min-height:44px}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent);margin:0 0 2px 5px}.demo-banner{display:flex;gap:15px;align-items:center;background:#263249;border:1px solid #8f774e;color:var(--accent);font-size:11px;letter-spacing:1px;font-weight:700;padding:11px 16px;margin-bottom:24px;border-radius:6px}.demo-banner span{font-size:12px;font-weight:400;letter-spacing:0;color:#e4d5b4}.eyebrow{font-size:11px;font-weight:750;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin:0 0 12px}.hero{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px}h1{font-size:clamp(28px,4vw,43px);font-weight:650;line-height:1.12;letter-spacing:-1.8px;margin:0 0 12px}h1 em{font-style:normal;color:var(--accent)}.subtitle{color:var(--muted);font-size:14px;line-height:1.6;margin:0}.day-stamp{text-align:right;white-space:nowrap;font-size:13px;color:var(--muted);line-height:1.8}.day-stamp strong{color:var(--text);font-size:15px;font-weight:600}.game-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(260px,1fr);gap:22px;align-items:start}.question-card{background:var(--card);color:var(--ink);border-radius:var(--r);padding:30px;min-height:434px;position:relative;overflow:hidden}.question-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.category{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;font-weight:750;display:flex;align-items:center;gap:8px}.category::before{content:"";width:7px;height:7px;border:1.5px solid currentColor;border-radius:50%}.q-number{font-size:12px;color:#35445a}.question-card h2{font-size:clamp(23px,3vw,30px);line-height:1.3;letter-spacing:-.8px;margin:27px 0 28px;font-weight:650;min-height:80px}.estimate-label{display:block;color:#35445a;font-size:12px;font-weight:600;margin-bottom:9px}.estimate-box{display:flex;align-items:center;gap:10px;border-bottom:1px solid #8190a3;padding-bottom:13px}.estimate-box input{min-width:0;width:100%;border:0;background:none;color:var(--ink);font-size:36px;font-weight:650;letter-spacing:-1px;border-radius:4px;padding:0}.estimate-box input::placeholder{color:#596a80;opacity:1}.estimate-box input:focus-visible{outline-color:#152238}.unit{font-size:12px;color:#35445a;max-width:110px;text-align:right;flex-shrink:0}.primary{display:flex;justify-content:space-between;align-items:center;gap:14px;width:100%;background:var(--accent);border:0;border-radius:8px;color:var(--ink);padding:16px 18px;min-height:52px;font-size:14px;font-weight:600;transition:background .15s,transform .15s}.primary:hover{background:#e5c989}.primary:active{transform:translateY(1px)}.estimate-form .primary{margin-top:23px}.arrow{font-size:22px;line-height:1}.form-note{font-size:11px;color:#35445a;line-height:1.5;margin:12px 0 0}.form-error{font-size:13px;color:#7e2016;font-weight:600;margin-top:10px}.side-stack{display:grid;gap:18px}.panel{border-radius:var(--r);background:var(--panel);border:1px solid var(--line);padding:24px}.panel h2,.panel h3{font-size:15px;font-weight:600;margin:0 0 18px;letter-spacing:-.2px}.round-status{display:flex;justify-content:space-between;align-items:center;font-size:10px;font-weight:700;letter-spacing:1.5px;color:var(--accent)}.live{display:flex;align-items:center;gap:6px}.live::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}.countdown{font-size:34px;letter-spacing:-1px;font-variant-numeric:tabular-nums;margin:18px 0 5px;font-weight:600}.countdown-note{font-size:12px;color:var(--muted);margin:0 0 20px}.progress-label{font-size:12px;display:flex;justify-content:space-between;color:var(--muted);margin-bottom:10px}.progress-label strong{color:var(--text);font-weight:500}.progress{display:flex;gap:5px}.progress span{height:4px;border-radius:4px;background:#3b4b62;flex:1}.progress .filled{background:var(--accent)}.question-nav{margin-top:0}.question-link{width:100%;display:flex;align-items:center;gap:12px;padding:12px 0;border:0;border-bottom:1px solid #33445c;background:none;color:var(--muted);text-align:left;min-height:47px}.question-link:last-child{border-bottom:0;padding-bottom:0}.question-link:first-of-type{padding-top:0}.question-link .num{width:23px;height:23px;border:1px solid #66758a;border-radius:50%;display:grid;place-items:center;font-size:10px;flex-shrink:0}.question-link.current{color:var(--text)}.question-link.current .num{background:var(--accent);color:var(--navy);border-color:var(--accent)}.question-link .nav-label{font-size:12px;flex:1}.question-link .check{font-size:13px;color:var(--accent)}.below-card{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:18px 0}.steps{display:flex;gap:8px}.step{width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--muted);font-size:12px}.step.current{border-color:var(--accent);color:var(--accent)}.step.answered{background:var(--panel2);color:var(--text)}.quiet-btn{border:0;background:none;color:var(--muted);font-size:12px;padding:10px 0;min-height:44px}.quiet-btn:hover{color:var(--text)}.principles{display:flex;gap:25px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px;margin-top:12px;color:var(--muted);font-size:11px}.principles span::before{content:"↗";color:var(--accent);margin-right:6px}.rules{font-size:12px;line-height:1.7;color:var(--muted)}details.rules{margin:23px 0}details.rules summary{cursor:pointer;min-height:44px;display:flex;align-items:center;gap:8px}details.rules summary::after{content:"+";color:var(--accent)}details.rules[open] summary::after{content:"−"}.rules p{margin:0 0 12px}.rules table{border-collapse:collapse;width:100%;max-width:440px}.rules td{padding:5px;border-bottom:1px solid var(--line)}.empty,.loading{padding:64px 24px;text-align:center;border:1px solid var(--line);border-radius:var(--r);background:var(--panel)}.empty-icon{display:grid;place-items:center;font-size:30px;color:var(--accent);width:64px;height:64px;border-radius:50%;border:1px solid var(--line);margin:0 auto 20px}.empty h1{font-size:28px}.empty p{max-width:460px;margin:12px auto 24px;color:var(--muted);line-height:1.7;font-size:14px}.empty button{max-width:260px;margin:auto}.loading{color:var(--muted);font-size:14px;display:flex;align-items:center;justify-content:center;gap:12px}.spinner{width:17px;height:17px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toolbar{display:flex;align-items:center;gap:16px}.field input,.field textarea,.field select,.month-input{border:1px solid #66758a;background:var(--panel);color:var(--text);border-radius:6px;padding:11px 12px;min-height:44px;width:100%}.month-input{width:auto;max-width:180px;font-size:14px}.field{display:block;font-size:12px;color:var(--muted);margin-bottom:16px}.field input,.field textarea{display:block;margin-top:7px}.field textarea{resize:vertical;min-height:95px}.leaderboard{overflow:hidden;border:1px solid var(--line);border-radius:var(--r);background:var(--panel)}.ranking-row{display:grid;grid-template-columns:45px minmax(0,1fr) 105px 60px;gap:15px;align-items:center;padding:18px 24px;border-bottom:1px solid var(--line)}.ranking-row:last-child{border:0}.ranking-row.heading{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);padding-top:16px;padding-bottom:16px}.ranking-row.me{background:#25354c}.rank{color:var(--muted);font-size:14px}.ranking-row:nth-child(2) .rank{color:var(--accent)}.player-cell{display:flex;gap:12px;align-items:center;min-width:0}.avatar{background:#2e3d55;color:#ead8ae;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:12px;flex-shrink:0}.player-cell strong{font-size:14px;font-weight:500;display:block;overflow-wrap:anywhere}.player-cell small{color:var(--muted);font-size:10px}.points{font-size:18px;font-weight:600;text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.days{text-align:right;font-size:13px;color:var(--muted)}.ranking-note{font-size:12px;color:var(--muted);margin:20px 0;line-height:1.8}.history-list{display:grid;gap:12px}.history-item{display:flex;justify-content:space-between;gap:16px;align-items:center;width:100%;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--panel);color:var(--text);text-align:left;padding:22px}.history-item:hover{background:var(--panel2)}.history-item strong{font-weight:500;font-size:15px}.history-item small{display:block;color:var(--muted);font-size:12px;margin-top:5px}.history-score{font-size:20px;color:var(--accent);white-space:nowrap}.result-value{font-size:38px;font-weight:650;letter-spacing:-1px;overflow-wrap:anywhere}.result-unit{font-size:14px;margin-left:7px;font-weight:400;letter-spacing:0}.result-summary{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #8190a3;margin-top:20px;padding-top:18px;gap:12px;font-size:13px}.result-points{font-size:25px;font-weight:650}.explanation{font-size:13px;line-height:1.7;margin:24px 0 12px;color:#35445a}.source{font-size:11px;color:#35445a;line-height:1.8;overflow-wrap:anywhere}.source a{text-underline-offset:3px}.completion{border:1px solid #9e7b3b;color:var(--accent);background:#263249;padding:16px 20px;border-radius:var(--r-sm);font-size:13px;line-height:1.6;margin-bottom:20px}.admin-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:24px}.admin-list{max-height:720px;overflow:auto}.bank-item{padding:16px 0;border-bottom:1px solid var(--line)}.bank-item p{font-size:13px;line-height:1.5;margin:6px 0 10px}.bank-item small{font-size:10px;color:var(--muted)}.small-btn{border:1px solid #718095;background:none;color:var(--accent);border-radius:6px;padding:8px 12px;min-height:38px;font-size:11px}.approved{color:var(--accent)!important}.input-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.admin-heading{color:var(--accent);font-size:34px;font-weight:600;margin:0 0 10px}.warning{color:var(--error);font-size:12px;line-height:1.7}.delivery-state{font-size:11px;padding:6px 0;color:var(--muted);overflow-wrap:anywhere}.void-form{margin-top:20px;border-top:1px solid var(--line);padding-top:20px}.toast{position:fixed;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);background:var(--accent);color:var(--navy);border:1px solid #b29155;border-radius:8px;padding:14px 22px;font-size:13px;font-weight:600;max-width:calc(100vw - 32px);box-shadow:0 6px 30px #0005;z-index:10}.skip-link{position:fixed;top:-100px;left:10px;padding:12px;background:var(--accent);color:var(--navy);z-index:100}.skip-link:focus{top:10px}footer{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);margin-top:40px;padding:25px 0 35px;font-size:10px;color:var(--muted)}footer>span:last-child{font-size:9px;letter-spacing:1.5px}.back-today{font-size:12px;color:var(--accent);background:none;border:0;padding:12px 0;min-height:44px}
@media(min-width:1400px){.shell{padding-top:15px}.topbar{height:120px}}
@media(max-width:760px){.shell{padding-left:20px;padding-right:20px}.topbar{height:86px}.brand{font-size:28px}.brand svg{width:33px;height:33px}.identity{max-width:140px;font-size:11px;text-align:right}.tabs{gap:26px;margin-bottom:28px}.game-layout{grid-template-columns:1fr}.side-stack{grid-template-columns:1fr 1fr;gap:14px}.panel{padding:20px}.hero{align-items:flex-start}.day-stamp{font-size:11px}.day-stamp strong{font-size:12px}.admin-grid{grid-template-columns:1fr}.question-card{min-height:410px;padding:26px}.demo-banner{display:block;font-size:10px}.demo-banner span{display:block;margin-top:5px;line-height:1.5}.countdown{font-size:28px}.ranking-row{padding:16px;grid-template-columns:24px minmax(0,1fr) 80px 34px;gap:10px}.points{font-size:16px}.player-cell{gap:9px}.avatar{width:30px;height:30px}.hero h1{letter-spacing:-1px}.toolbar{flex-wrap:wrap}}
@media(max-width:420px){.shell{padding-left:16px;padding-right:16px}.identity{font-size:10px;max-width:110px}.hero{flex-wrap:wrap;gap:10px}.day-stamp{text-align:left}.day-stamp br{display:none}.day-stamp strong{margin-right:10px}.question-card{padding:24px;min-height:410px}.question-card h2{font-size:25px}.question-card .unit{max-width:85px;font-size:11px}.estimate-box input{font-size:31px}.side-stack{grid-template-columns:1fr}.question-nav{display:none}.principles{gap:12px;font-size:10px}.below-card{gap:10px}.step{width:36px;height:36px}.input-row{grid-template-columns:1fr}.ranking-row{gap:8px;grid-template-columns:20px minmax(0,1fr) 75px 26px}.ranking-row.heading{font-size:9px}.avatar{display:none}.player-cell strong{font-size:13px}.points{font-size:15px}.result-value{font-size:32px}footer{font-size:9px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.ranking-row.heading .points,.ranking-row.heading .days{font-size:inherit}
.field input[type=checkbox]{display:inline-block;width:auto;min-height:0;margin-right:8px;accent-color:var(--accent)}

.answer-locked{font-size:11px;font-weight:700;letter-spacing:.4px;border-top:1px solid #8190a3;padding-top:16px;margin:0 0 18px;color:#35445a}
.daily-standings{margin:20px 0 36px}.live-ranking-label{color:var(--accent);font-weight:500}.ranking-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.completion .small-btn{margin-top:10px}

/* Compact game interface, 0.5.0 */
.shell{padding-top:14px}.tabs{margin-bottom:18px}.game-layout{display:block;max-width:760px;margin:0 auto}.round-meta{display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:12px;margin-bottom:12px}.round-meta strong{color:var(--accent)}.question-card{min-height:0;padding:24px}.question-card h2{min-height:0;margin:24px 0;font-size:clamp(22px,3vw,29px)}.source{margin-top:16px}.below-card{margin:14px 0}.ranking-row{grid-template-columns:36px minmax(0,1fr) 110px}.ranking-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.ranking-toolbar{margin:0 0 12px}.ranking-toolbar .field{margin:0}.ranking-toolbar button{min-width:44px;font-size:22px}.submitted-count{font-size:13px;color:var(--muted);margin:0 0 20px}.submitted-count strong{color:var(--accent)}.standings-title{font-size:16px;margin:22px 0 10px}.demo-banner{padding:8px 12px;margin:0 0 8px;font-size:10px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:760px){.ranking-row{grid-template-columns:24px minmax(0,1fr) 80px;gap:8px}.question-card{padding:22px}.tabs{gap:24px}.demo-banner span{display:inline}}

/* Readable secondary text on phones and desktop. */
.tab{font-size:18px;line-height:1.4;min-height:52px;padding-top:10px;padding-bottom:16px}
.round-meta,.q-number,.estimate-label,.unit,.form-note,.form-error,.source,.quiet-btn,.small-btn,.rules,.field,.submitted-count,.history-item small,.back-today{font-size:15px;line-height:1.5}
.category{font-size:14px;letter-spacing:.8px;line-height:1.45}
.q-number{flex-shrink:0}.question-top{gap:12px}
.primary{font-size:17px}.steps{gap:6px}.step{width:40px;height:40px;font-size:16px}
.ranking-row.heading{font-size:14px;letter-spacing:.4px}.ranking-name,.rank,.history-item strong{font-size:17px}
.points{font-size:20px}.standings-title{font-size:19px}.month-input{font-size:16px;max-width:210px}
.result-summary{font-size:16px;line-height:1.5;flex-wrap:wrap}.result-summary>span{overflow-wrap:anywhere;min-width:0}
.result-unit{font-size:16px}.source{line-height:1.6}.unit{max-width:40%;overflow-wrap:anywhere}
.demo-banner,.demo-banner span{font-size:13px;line-height:1.5}.loading,.empty p,.toast{font-size:16px}
@media(max-width:420px){.question-card .unit{font-size:15px;max-width:40%}.ranking-row{grid-template-columns:24px minmax(0,1fr) 88px}.ranking-row.heading{font-size:14px}.points{font-size:19px}}