:root{--bg: #05080b;--bg-well: #0a1119;--panel: #0e161e;--panel-raised: #141f29;--panel-overlay: #1a2733;--line: #1e2c38;--line-strong: #2c4256;--ink: #eaf2f8;--ink-dim: #a7bccd;--muted: #748899;--cyan: #4fd1ff;--cyan-dim: #2a5b73;--amber: #ffb454;--green: #79e0a0;--rose: #ff8fa3;--violet: #b79bff;--focus: #7fd8ff;--shadow-sm: 0 1px 0 rgba(255, 255, 255, .04) inset, 0 2px 10px rgba(0, 0, 0, .4);--shadow-md: 0 1px 0 rgba(255, 255, 255, .05) inset, 0 12px 32px rgba(0, 0, 0, .5);--shadow-lg: 0 1px 0 rgba(255, 255, 255, .06) inset, 0 28px 64px rgba(0, 0, 0, .6);--glow-cyan: 0 0 0 1px rgba(79, 209, 255, .25), 0 0 32px rgba(79, 209, 255, .18);--shadow: var(--shadow-md);--radius-sm: 6px;--radius: 8px;--radius-lg: 14px;--radius-xl: 22px;--sans: "IBM Plex Sans", system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;--mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;--ease: cubic-bezier(.16, 1, .3, 1);--dur-fast: .14s;--dur: .28s;--grid-line: rgba(140, 190, 220, .05);--grid-line-strong: rgba(140, 190, 220, .1);--grid-cell: 32px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:radial-gradient(900px 500px at 82% -6%,rgba(79,209,255,.13),transparent 60%),radial-gradient(700px 500px at -6% 30%,rgba(183,155,255,.06),transparent 55%),linear-gradient(var(--grid-line) 1px,transparent 1px) 0 0 / var(--grid-cell) var(--grid-cell),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px) 0 0 / var(--grid-cell) var(--grid-cell),var(--bg);color:var(--ink);font-family:var(--sans);font-size:15.5px;line-height:1.62;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}h1,h2,h3,h4{font-weight:650;line-height:1.16;margin:0;letter-spacing:-.018em}h1{font-size:2.15rem;letter-spacing:-.025em}h2{font-size:1.4rem}h3{font-size:1.08rem}h4{font-size:.92rem;color:var(--ink-dim);font-weight:600;letter-spacing:0}p{margin:0 0 .8em;max-width:72ch}a{color:var(--cyan);text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:2px}button,input,select,textarea{font:inherit;color:inherit}*{scrollbar-color:var(--line-strong) transparent;scrollbar-width:thin}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:999px;border:2px solid var(--bg)}*::-webkit-scrollbar-thumb:hover{background:#45607a}.app{display:flex;flex-direction:column;min-height:100%}.topbar{display:flex;align-items:center;gap:18px;padding:10px 20px;border-bottom:1px solid var(--line);background:#090e13db;-webkit-backdrop-filter:blur(10px) saturate(1.1);backdrop-filter:blur(10px) saturate(1.1);position:sticky;top:0;z-index:40}.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.02em}.brand-mark{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--cyan);position:relative}.brand-mark:after{content:"";position:absolute;top:5px;right:5px;bottom:5px;left:5px;border-radius:50%;background:var(--cyan);opacity:.85;box-shadow:0 0 8px 1px #5ac8fa8c}.topbar nav{display:flex;gap:14px;margin-left:auto;align-items:center;flex-wrap:wrap}.topbar nav a{color:var(--ink-dim);font-size:.92rem;padding:4px 2px;border-bottom:1.5px solid transparent;transition:color var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease)}.topbar nav a:hover{color:var(--ink);text-decoration:none}.topbar nav a.active{color:var(--ink);border-bottom-color:var(--cyan)}.page{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:22px 20px 60px}.page-narrow{max-width:880px}.footer{border-top:1px solid var(--line);padding:18px 20px;color:var(--muted);font-size:.85rem}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)}.panel-head h2,.panel-head h3{font-size:.95rem}.panel-body{padding:16px}.grid{display:grid;gap:16px}.two-col{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:18px;align-items:start}@media (max-width: 1000px){.two-col{grid-template-columns:1fr}}.field{display:block;margin-bottom:14px}.field>span.label{display:block;font-size:.82rem;color:var(--ink-dim);margin-bottom:5px}.field .hint{font-size:.76rem;color:var(--muted);margin-top:4px}input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{width:100%;background:var(--bg-well);border:1px solid var(--line);border-radius:var(--radius);padding:7px 10px;transition:border-color var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease)}input:hover,select:hover,textarea:hover{border-color:var(--line-strong)}input:focus-visible,select:focus-visible,textarea:focus-visible{border-color:var(--cyan);box-shadow:0 0 0 3px #5ac8fa29}textarea{min-height:90px;resize:vertical;line-height:1.5}input[type=range]{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:22px;background:transparent}input[type=range]::-webkit-slider-runnable-track{height:3px;background:var(--line-strong);border-radius:2px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:15px;height:15px;margin-top:-6px;border-radius:50%;background:var(--cyan);border:2px solid #0b1219;cursor:grab}input[type=range]::-moz-range-track{height:3px;background:var(--line-strong);border-radius:2px}input[type=range]::-moz-range-thumb{width:13px;height:13px;border-radius:50%;background:var(--cyan);border:2px solid #0b1219}input[type=checkbox]{accent-color:var(--cyan);width:16px;height:16px}.btn{display:inline-flex;align-items:center;gap:7px;background:var(--panel-raised);border:1px solid var(--line-strong);border-radius:var(--radius);padding:8px 15px;font-weight:550;cursor:pointer;transition:background var(--dur-fast) var(--ease),border-color var(--dur-fast) var(--ease),transform var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease)}.btn:hover:not(:disabled){background:#1c2a37;border-color:#3d5a72}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:linear-gradient(180deg,#1a5875,#123f56);border-color:#2c88ac;color:#eefaff}.btn-primary:hover:not(:disabled){background:linear-gradient(180deg,#1f6a8c,#164e69);box-shadow:var(--glow-cyan)}.btn-ghost{background:transparent;border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--panel);border-color:var(--line)}.btn-danger{border-color:#7a3341;color:#ffc4cd}.btn-danger:hover:not(:disabled){background:#3a1a22}.btn-sm{padding:5px 10px;font-size:.85rem}.btn-row{display:flex;gap:8px;flex-wrap:wrap}.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}.readouts{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1px;background:var(--line);border-radius:var(--radius);overflow:hidden}.readout{background:var(--panel-raised);padding:9px 11px;transition:background var(--dur) var(--ease)}.readout .name{font-size:.74rem;color:var(--muted)}.readout .value{font-family:var(--mono);font-size:1.02rem;font-variant-numeric:tabular-nums;color:var(--ink)}.readout .unit{font-size:.75rem;color:var(--ink-dim);margin-left:3px}.tag{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line-strong);border-radius:999px;padding:2px 10px;font-size:.78rem;color:var(--ink-dim);background:#0e1720;cursor:pointer}.tag:hover{border-color:var(--cyan);color:var(--ink)}.tag[aria-pressed=true]{background:#123347;border-color:var(--cyan);color:#d6f2ff}.tag-row{display:flex;flex-wrap:wrap;gap:6px}.pill{font-size:.72rem;padding:1px 8px;border-radius:999px;border:1px solid var(--line-strong);color:var(--ink-dim)}.pill-published{border-color:#2c6b43;color:var(--green)}.pill-draft{border-color:#6d5326;color:var(--amber)}.pill-archived{border-color:#4a4a4a;color:var(--muted)}.stage{position:relative;background:linear-gradient(var(--grid-line-strong) 1px,transparent 1px) 0 0 / var(--grid-cell) var(--grid-cell),linear-gradient(90deg,var(--grid-line-strong) 1px,transparent 1px) 0 0 / var(--grid-cell) var(--grid-cell),linear-gradient(180deg,#0a121a,#060b10);border:1px solid var(--line-strong);border-radius:var(--radius-lg);overflow:hidden;min-height:320px;aspect-ratio:16 / 10;box-shadow:var(--shadow-md);transition:box-shadow var(--dur) var(--ease)}.stage:has(~.transport .status-dot.running){box-shadow:var(--shadow-md),var(--glow-cyan)}.stage iframe{width:100%;height:100%;border:0;display:block}@media (max-width: 700px){.stage{aspect-ratio:4 / 3;min-height:260px}}.transport{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:10px 0}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}.status-dot.running{background:var(--green);box-shadow:0 0 8px #8ce99ab3;animation:pulse-dot 1.6s var(--ease) infinite}.status-dot.error{background:var(--rose)}@keyframes pulse-dot{0%,to{box-shadow:0 0 6px #8ce99a8c}50%{box-shadow:0 0 12px 2px #8ce99ad9}}.chart-wrap{border:1px solid var(--line);border-radius:var(--radius);background:#0b131a;padding:8px}.chart-wrap canvas{display:block;width:100%;height:190px}.chart-title{font-size:.82rem;color:var(--ink-dim);margin-bottom:4px;display:flex;justify-content:space-between;gap:8px}.legend{display:flex;gap:10px;flex-wrap:wrap;font-size:.74rem;color:var(--muted)}.legend i{display:inline-block;width:10px;height:2px;vertical-align:middle;margin-right:4px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.card{display:flex;flex-direction:column;gap:8px;background:linear-gradient(165deg,var(--panel-raised),var(--panel));border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px;color:inherit;transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.card:hover{border-color:var(--cyan-dim);text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-md)}.card h3{font-size:1.02rem}.card p{font-size:.85rem;color:var(--ink-dim);margin:0}.card-meta{display:flex;gap:8px;align-items:center;font-size:.74rem;color:var(--muted);flex-wrap:wrap;margin-top:auto}.difficulty{display:inline-flex;gap:3px}.difficulty i{width:5px;height:5px;border-radius:50%;background:var(--line-strong);transition:background var(--dur-fast) var(--ease)}.difficulty i.on{background:var(--amber);box-shadow:0 0 4px #ffb45480}table.data{width:100%;border-collapse:collapse;font-size:.88rem}table.data th,table.data td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}table.data th{color:var(--muted);font-weight:500;font-size:.78rem;border-bottom-color:var(--line-strong)}table.data tr{transition:background var(--dur-fast) var(--ease)}table.data tr:hover td{background:#ffffff06}table.data td.num,table.data th.num{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}.admin{display:grid;grid-template-columns:210px minmax(0,1fr);gap:20px}@media (max-width: 860px){.admin{grid-template-columns:1fr}}.admin-nav{display:flex;flex-direction:column;gap:2px;position:sticky;top:70px;align-self:start}.admin-nav a{padding:7px 11px;border-radius:var(--radius);color:var(--ink-dim);font-size:.9rem;transition:background var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease)}.admin-nav a:hover{background:var(--panel);text-decoration:none;color:var(--ink)}.admin-nav a.active{background:var(--panel-raised);color:var(--ink);box-shadow:inset 2px 0 0 var(--cyan)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:14px;box-shadow:var(--shadow-sm)}.stat .n{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:1.7rem;line-height:1.1;color:var(--ink)}.stat .k{font-size:.78rem;color:var(--muted);margin-top:2px}.editor-tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:14px;flex-wrap:wrap}.editor-tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:8px 12px;color:var(--muted);cursor:pointer}.editor-tabs button[aria-selected=true]{color:var(--ink);border-bottom-color:var(--cyan)}.code-editor{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.code-fallback{width:100%;min-height:420px;background:#0b131a;border:0;font-family:var(--mono);font-size:13px;line-height:1.55;padding:12px;-moz-tab-size:2;tab-size:2}.problems{display:flex;flex-direction:column;gap:6px;font-size:.85rem}.problem{display:flex;gap:8px;padding:6px 9px;border-radius:var(--radius);border:1px solid var(--line);border-left-width:3px}.problem.error{border-left-color:#ff8fa3;color:#ffc4cd}.problem.warning{border-left-color:#ffb454;color:#ffddab}.notice{padding:10px 13px;border-radius:var(--radius);border:1px solid var(--line-strong);border-left-width:3px;background:var(--panel);font-size:.9rem}.notice.error{border-left-color:#ff8fa3;color:#ffc4cd}.notice.success{border-left-color:#8ce99a;color:#cdf5d6}.empty{text-align:center;padding:48px 20px;color:var(--muted)}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:12px;top:8px;z-index:100;background:var(--panel-raised);padding:8px 12px;border-radius:var(--radius)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}.landing{display:grid;gap:64px;padding-bottom:40px}.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:center;padding:36px 0 12px}@media (max-width: 900px){.hero{grid-template-columns:1fr;gap:26px;padding-top:18px}}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.76rem;letter-spacing:.14em;text-transform:none;color:var(--ink-dim);margin:0 0 20px;background:var(--panel-raised);border:1px solid var(--line-strong);padding:6px 14px 6px 10px;border-radius:999px}.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--green);flex:none;box-shadow:0 0 6px #79e0a0b3;animation:pulse-dot 2s var(--ease) infinite}.accent-text{background:linear-gradient(100deg,var(--cyan),#8fe6ff 60%,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}.hero h1{font-size:clamp(2.3rem,6vw,3.9rem);line-height:1.14;letter-spacing:-.03em;margin-bottom:20px}.lede{font-size:1.03rem;color:var(--ink-dim);max-width:46ch;margin-bottom:22px}.hero-note{color:var(--muted);font-size:.8rem;margin-top:14px}.btn-lg{padding:11px 20px;font-size:.98rem}.hero-figure{margin:0}.hero-figure canvas{display:block;width:100%;height:340px;background:linear-gradient(var(--grid-line-strong) 1px,transparent 1px) 0 0 / var(--grid-cell) var(--grid-cell),linear-gradient(90deg,var(--grid-line-strong) 1px,transparent 1px) 0 0 / var(--grid-cell) var(--grid-cell),linear-gradient(180deg,#0c151d,#0a1016);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.hero-figure figcaption{font-size:.74rem;color:var(--muted);margin-top:8px;text-align:right}@media (max-width: 900px){.hero-figure canvas{height:240px}}.strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}.strip-item{background:var(--panel);padding:18px 16px}.strip-n{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:1.9rem;line-height:1.1;color:var(--ink)}.strip-k{font-size:.8rem;color:var(--muted);margin-top:2px}.pitch h2{font-size:1.45rem;margin-bottom:18px}.pitch-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:18px}.feature{border-left:2px solid var(--line-strong);padding:2px 0 2px 16px}.feature-glyph{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;margin-bottom:10px;border-radius:var(--radius-sm);background:var(--panel-raised);border:1px solid var(--line-strong);color:var(--cyan);font-size:1.05rem}.feature h3{font-size:.98rem;margin-bottom:6px}.feature p{font-size:.89rem;color:var(--ink-dim);margin:0}.steps{counter-reset:step;list-style:none;padding:0;display:grid;gap:12px;max-width:70ch}.steps li{counter-increment:step;position:relative;padding-left:40px;color:var(--ink-dim);font-size:.93rem}.steps li:before{content:counter(step);position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-strong);color:var(--cyan);font-family:var(--mono);font-size:.8rem;display:grid;place-items:center}.local-banner{background:#1a1408;border:1px solid #6d5326;color:#ffddab;border-radius:var(--radius);padding:9px 13px;font-size:.85rem;margin-bottom:14px}