:root{--bg: #f6f4f1;--bg-glow: #ffe3d8;--card: #ffffff;--text: #17181c;--muted: #62646c;--line: #e6e2dc;--soft: #f1eee9;--accent: #ff5a36;--accent-ink: #ffffff;--accent-soft: #fff0eb;--danger: #d4331b;--ok: #1e8e5a;--shadow: 0 1px 2px rgba(20, 20, 30, .04), 0 12px 32px -12px rgba(20, 20, 30, .12);color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--bg: #0f1115;--bg-glow: #2a1712;--card: #181b21;--text: #f1f1f3;--muted: #9a9ca5;--line: #2a2e36;--soft: #20242b;--accent-soft: #2c1c17;--danger: #ff7a62;--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 16px 40px -16px rgba(0, 0, 0, .6)}}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0}body{font:16px/1.55 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text);background:radial-gradient(1200px 500px at 50% -200px,var(--bg-glow),transparent 70%),var(--bg);background-attachment:fixed;min-height:100vh;-webkit-font-smoothing:antialiased}.shell{max-width:640px;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) 16px max(24px,env(safe-area-inset-bottom));min-height:100vh;display:flex;flex-direction:column}main{flex:1}.top{padding:8px 0 24px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;letter-spacing:-.01em}.foot{text-align:center;font-size:13px;color:var(--muted);padding-top:32px}h1,h2,h3{letter-spacing:-.02em;margin:0}.hero{padding:8px 4px 24px}.hero h1{font-size:clamp(2rem,7vw,2.9rem);line-height:1.05;margin-bottom:12px}.hero em{font-style:normal;color:var(--accent)}.hero p{color:var(--muted);margin:0;max-width:52ch;font-size:1.05rem}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:20px}.center{text-align:center;align-items:center}.card.center{padding:36px 24px;gap:14px}.card h2{font-size:1.45rem}.muted{color:var(--muted);margin:0}.stack{display:flex;flex-direction:column;align-items:center;gap:20px}.big-icon{width:60px;height:60px;border-radius:18px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);margin:0 auto 4px}button,a.primary{font:inherit;cursor:pointer;border:0;border-radius:14px;transition:transform .08s ease,background .15s ease,opacity .15s ease}button:active:not(:disabled){transform:scale(.98)}.primary{background:var(--accent);color:var(--accent-ink);font-weight:650;padding:15px 22px;text-decoration:none;display:inline-block;text-align:center}.card>.primary{width:100%}.card.center>.primary{width:auto;min-width:220px}.primary:disabled{opacity:.45;cursor:not-allowed}.secondary{background:var(--soft);color:var(--text);font-weight:600;padding:13px 20px}.ghost{background:transparent;color:var(--muted);padding:10px 12px;font-size:.95rem}.ghost:hover{color:var(--text)}.danger{color:var(--danger)}.danger:hover{color:var(--danger);background:var(--accent-soft)}.wide{width:100%}.row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}.drop{width:100%;display:flex;flex-direction:column;align-items:center;gap:6px;padding:40px 16px;border:2px dashed var(--line);border-radius:16px;background:var(--soft);color:var(--text)}.drop svg{color:var(--accent);margin-bottom:4px}.drop span{color:var(--muted);font-size:.9rem}.drop:hover,.drop.is-drag{border-color:var(--accent);background:var(--accent-soft)}.drop.is-compact{flex-direction:row;justify-content:center;padding:14px;gap:10px}.drop.is-compact svg{width:22px;height:22px;margin:0}.thumbs{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.thumb{position:relative;margin:0;aspect-ratio:1;border-radius:14px;overflow:hidden;background:var(--soft)}.thumb img{width:100%;height:100%;object-fit:cover;display:block}.thumb-x{position:absolute;top:8px;right:8px;width:32px;height:32px;border-radius:50%;background:#0009;color:#fff;font-size:20px;line-height:1;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.field label{display:block;font-weight:600;font-size:.95rem;margin-bottom:8px}.seg{display:flex;gap:6px;background:var(--soft);padding:5px;border-radius:14px}.seg button{flex:1;padding:10px 6px;border-radius:10px;background:transparent;color:var(--muted);font-weight:600;white-space:nowrap}.seg button.on{background:var(--card);color:var(--text);box-shadow:0 1px 3px #0000001f}.hint{font-size:.85rem;color:var(--muted);margin:8px 0 0}.disclaimer{padding:12px 14px;border-radius:12px;background:var(--soft);line-height:1.5}.error{margin:0;padding:12px 14px;border-radius:12px;background:var(--accent-soft);color:var(--danger);font-weight:500}.linkbox{display:flex;gap:8px;flex-wrap:wrap}.linkbox input{flex:1 1 260px;min-width:0;font:.9rem ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;padding:14px;border-radius:14px;border:1px solid var(--line);background:var(--soft);color:var(--text)}.linkbox .primary{flex:1 0 auto;padding:14px 20px}.features{display:grid;grid-template-columns:1fr;gap:12px;margin-top:20px}.feature{padding:16px;border-radius:16px;border:1px solid var(--line);background:color-mix(in srgb,var(--card) 60%,transparent)}.feature h3{font-size:1rem;margin-bottom:4px}.feature p{margin:0;color:var(--muted);font-size:.9rem}.viewer{display:flex;flex-direction:column;gap:14px}.notice{padding:12px 14px;border-radius:12px;background:var(--soft);color:var(--muted);font-size:.92rem}.notice.burned{background:var(--accent-soft);color:var(--danger)}.photos{display:grid;gap:12px}.photo{display:block;width:100%;height:auto;max-height:80vh;object-fit:contain;border-radius:14px;background:#000}.viewer,.viewer *{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.hold{position:relative;width:100%;max-height:75vh;margin:0 auto;border-radius:16px;overflow:hidden;background:#111317;touch-action:none;cursor:pointer;-webkit-tap-highlight-color:transparent}.hold .photo{position:absolute;top:0;right:0;bottom:0;left:0;height:100%;max-height:none;border-radius:0}.hold-hint{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:16px;text-align:center;color:#f1f1f3;background:repeating-linear-gradient(135deg,#15171c 0,#15171c 14px,#191b21 14px,#191b21 28px)}.hold-hint svg{color:var(--accent);margin-bottom:4px}.hold-hint span{color:#9a9ca5;font-size:.9rem}.sender{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 6px;border-radius:999px;background:var(--soft);max-width:100%}.viewer .sender{align-self:flex-start}.sender strong{overflow-wrap:anywhere}.sender-label{color:var(--muted)}.avatar{flex:none;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:var(--accent-ink);font-weight:700}input.text{width:100%;font:inherit;padding:13px 14px;border-radius:14px;border:1px solid var(--line);background:var(--soft);color:var(--text)}input.text:focus{outline:2px solid var(--accent);outline-offset:1px}.toggle{display:flex;align-items:flex-start;gap:12px;cursor:pointer}.toggle input{position:absolute;opacity:0;pointer-events:none}.toggle strong{display:block;font-size:.95rem}.toggle .hint{display:block;margin-top:2px}.switch{flex:none;position:relative;width:46px;height:28px;margin-top:1px;border-radius:999px;background:var(--line);transition:background .15s ease}.switch:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #00000040;transition:transform .15s ease}.toggle input:checked+.switch{background:var(--accent)}.toggle input:checked+.switch:after{transform:translate(18px)}.toggle input:focus-visible+.switch{outline:2px solid var(--accent);outline-offset:2px}.spinner{width:36px;height:36px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(min-width:600px){.features{grid-template-columns:repeat(3,1fr)}}@media(max-width:420px){.seg button{font-size:.88rem;padding:10px 2px}.card{padding:16px}}