/* VoidSakura Client site - design tokens mirror voidsakura.com (Inter, glass surfaces, blue accent, light/dark) */
:root{--bg:#fbfbfc;--bg-elevated:#fff;--surface:#fff;--surface-muted:#f5f5f7;--surface-strong:#ececef;--text:#1d1d1f;--text-2:#6e6e73;--text-3:#86868b;--line:#e0e0e5;--line-strong:#d2d2d7;
--accent:#0a63f2;--accent-solid:#0a63f2;--accent-hover:#0b54cc;--accent-soft:#0a63f214;--accent-line:#0a63f252;--accent-fg:#fff;--danger:#b23c3c;--danger-soft:#b23c3c1a;--success:#2f7d5d;--success-soft:#2f7d5d1a;
--glass:#ffffffb8;--glass-strong:#ffffffdb;--glass-line:#ffffffd9;--shadow-md:0 2px 6px -1px #1010140f,0 8px 24px -12px #10101424;--shadow-lg:0 4px 12px -2px #10101412,0 24px 56px -20px #10101433;
--sakura:#ffb7c5;--wash-a:#0a63f212;--wash-b:#ff6b8b10}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#000;--bg-elevated:#161617;--surface:#0f0f11;--surface-muted:#161617;--surface-strong:#1e1e23;--text:#f5f5f7;--text-2:#a1a1a6;--text-3:#6a6a73;--line:#222226;--line-strong:#2e2e35;
--accent:#2997ff;--accent-solid:#0f6bff;--accent-hover:#47a6ff;--accent-soft:#2997ff24;--accent-line:#2997ff57;--danger:#e88080;--danger-soft:#e880801f;--success:#6cc79c;--success-soft:#6cc79c1f;--glass:#12121699;--glass-strong:#121216d1;--glass-line:#ffffff1a;--shadow-md:0 2px 8px #0000008c;--shadow-lg:0 8px 40px #0009;--wash-a:#0f6bff1f;--wash-b:#ff6b8b14}}
:root[data-theme=dark]{--bg:#000;--bg-elevated:#161617;--surface:#0f0f11;--surface-muted:#161617;--surface-strong:#1e1e23;--text:#f5f5f7;--text-2:#a1a1a6;--text-3:#6a6a73;--line:#222226;--line-strong:#2e2e35;--accent:#2997ff;--accent-solid:#0f6bff;--accent-hover:#47a6ff;--accent-soft:#2997ff24;--accent-line:#2997ff57;--danger:#e88080;--danger-soft:#e880801f;--success:#6cc79c;--success-soft:#6cc79c1f;--glass:#12121699;--glass-strong:#121216d1;--glass-line:#ffffff1a;--shadow-md:0 2px 8px #0000008c;--shadow-lg:0 8px 40px #0009;--wash-a:#0f6bff1f;--wash-b:#ff6b8b14}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-feature-settings:"cv02","cv03","cv04","cv11";-webkit-font-smoothing:antialiased;line-height:1.65;font-size:16px;
background-image:radial-gradient(900px 500px at 78% -8%,var(--wash-a),transparent 70%),radial-gradient(700px 480px at 8% 12%,var(--wash-b),transparent 70%);background-repeat:no-repeat}
a{color:inherit}.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--surface);padding:8px 12px;border-radius:10px;z-index:99}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}.narrow{max-width:760px}
nav.top{position:sticky;top:0;z-index:20;backdrop-filter:saturate(180%) blur(26px);-webkit-backdrop-filter:saturate(180%) blur(26px);background:var(--glass);border-bottom:1px solid var(--line)}
nav.top .wrap{display:flex;align-items:center;height:56px;gap:28px}.brand{font-weight:600;letter-spacing:-.01em;text-decoration:none;font-size:17px;display:flex;align-items:center;gap:10px}
.brand i{width:22px;height:22px;border-radius:7px;background:conic-gradient(from 20deg,var(--sakura),var(--accent),var(--sakura));display:inline-block}
nav.top a.l{font-size:14px;color:var(--text-2);text-decoration:none}nav.top a.l:hover{color:var(--text)}nav .sp{flex:1}
.pill,.btn{font:inherit;font-size:14px;font-weight:500;border-radius:980px;padding:8px 16px;border:1px solid var(--line-strong);background:var(--surface);color:var(--text);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:.18s}
.pill:hover,.btn:hover{border-color:var(--accent-line)}.btn.primary{background:var(--accent-solid);border-color:transparent;color:var(--accent-fg);padding:12px 24px;font-size:16px}.btn.primary:hover{background:var(--accent-hover)}
.btn.danger{color:var(--danger);background:var(--danger-soft);border-color:transparent;padding:12px 24px;font-size:16px}.btn.lg{padding:14px 28px;font-size:17px}.btn[disabled]{opacity:.5;pointer-events:none}
.hero{text-align:center;padding:96px 0 56px}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--text-3)}
h1{font-size:clamp(40px,7vw,76px);line-height:1.04;letter-spacing:-.03em;margin:14px 0 0;font-weight:700}h1 em{font-style:normal;background:linear-gradient(90deg,var(--sakura),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(17px,2.2vw,21px);color:var(--text-2);max-width:640px;margin:20px auto 0}.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:32px}.note{font-size:13px;color:var(--text-3);margin-top:14px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.card{background:var(--surface);border-radius:28px;padding:32px;border:1px solid var(--line);box-shadow:var(--shadow-md)}
.card h3{margin:0;font-size:21px;letter-spacing:-.01em}.card p{color:var(--text-2);font-size:15px;margin:10px 0 0}.ic{width:40px;height:40px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-weight:700;margin-bottom:16px}
section{padding:56px 0}h2{font-size:clamp(28px,4vw,40px);letter-spacing:-.02em;margin:0 0 8px;text-align:center}.sub{color:var(--text-2);text-align:center;margin:0 auto 36px;max-width:620px}
.mock{margin:56px auto 0;max-width:880px;border-radius:28px;border:1px solid var(--glass-line);background:var(--glass-strong);backdrop-filter:blur(28px);box-shadow:var(--shadow-lg);overflow:hidden}
.mock .bar{display:flex;gap:7px;padding:14px 18px;border-bottom:1px solid var(--line)}.mock .bar b{width:11px;height:11px;border-radius:50%;background:var(--surface-strong)}
.mock .body{display:grid;grid-template-columns:180px 1fr 240px;gap:0;min-height:300px}.mock .side{padding:18px;border-right:1px solid var(--line);display:grid;gap:8px;align-content:start}.mock .side span{padding:9px 14px;border-radius:980px;background:var(--surface-muted);font-size:13px;font-weight:500;color:var(--text-2)}.mock .side span.on{background:var(--accent-solid);color:#fff}
.mock .mid{padding:26px}.mock .mid .v{font-size:56px;font-weight:700;letter-spacing:-.03em}.mock .mid .play{margin-top:22px;border-radius:18px;background:var(--accent-solid);color:#fff;text-align:center;padding:16px;font-weight:700;font-size:18px}
.mock .rt{padding:18px;border-left:1px solid var(--line);display:grid;gap:8px;align-content:start}.mock .rt span{padding:10px 14px;border-radius:14px;background:var(--surface-muted);font-size:14px}
.dl{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.dl .card{display:flex;flex-direction:column;gap:6px}.dl .meta{font-size:12px;color:var(--text-3);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;word-break:break-all}.dl .btn{margin-top:14px;align-self:flex-start}
details{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:18px 22px;margin-bottom:10px}summary{cursor:pointer;font-weight:600}details p{color:var(--text-2);margin:10px 0 0;font-size:15px}
footer{border-top:1px solid var(--line);padding:32px 0;color:var(--text-3);font-size:13px;margin-top:40px}footer .wrap{display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between}
/* auth page */
.authwrap{min-height:calc(100vh - 56px);display:grid;place-items:center;padding:32px 16px}.authcard{width:100%;max-width:480px;background:var(--glass-strong);backdrop-filter:blur(28px);border:1px solid var(--glass-line);border-radius:28px;padding:36px;box-shadow:var(--shadow-lg);text-align:center}
.authcard h1{font-size:28px;margin:6px 0 0;letter-spacing:-.02em}.authcard p{color:var(--text-2);font-size:15px;margin:10px 0 0}.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:38px;font-weight:700;letter-spacing:.18em;margin:22px 0 4px;color:var(--accent)}
.kv{background:var(--surface-muted);border-radius:18px;padding:14px 18px;text-align:left;margin-top:20px;font-size:14px}.kv div{display:flex;justify-content:space-between;gap:12px;padding:3px 0}.kv span{color:var(--text-3)}
.actions{display:flex;gap:12px;justify-content:center;margin-top:26px;flex-wrap:wrap}.msg{margin-top:18px;padding:12px 16px;border-radius:16px;font-size:14px}.msg.ok{background:var(--success-soft);color:var(--success)}.msg.err{background:var(--danger-soft);color:var(--danger)}
.hide{display:none!important}.spin{width:26px;height:26px;border-radius:50%;border:3px solid var(--line-strong);border-top-color:var(--accent);animation:sp 1s linear infinite;margin:26px auto 0}@keyframes sp{to{transform:rotate(360deg)}}
@media(max-width:760px){.mock .body{grid-template-columns:1fr}.mock .side,.mock .rt{display:none}nav.top a.l{display:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}