:root{--bg: #0f1115;--surface: #171a21;--border: #2a2f3a;--text: #e8eaed;--muted: #9aa1ac;--accent: #5b8def;--danger: #e5484d;--radius: 10px}@media(prefers-color-scheme:light){:root{--bg: #f7f8fa;--surface: #ffffff;--border: #e2e5ea;--text: #1a1d23;--muted: #656d78;--accent: #2f6fed;--danger: #c92a2a}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.nav{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;border-bottom:1px solid var(--border)}.brand{font-weight:700;color:var(--text);text-decoration:none;font-size:1.1rem}.page{max-width:720px;margin:0 auto;padding:32px 24px}.centered{text-align:center;margin-top:15vh}h1{font-size:1.6rem;margin-bottom:4px}h2{font-size:1.1rem;margin-top:32px}.muted{color:var(--muted)}.small{font-size:.85rem}.error{color:var(--danger)}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.space-between{justify-content:space-between}button,.button,input,select{font:inherit;padding:8px 14px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text)}button,.button{cursor:pointer;background:var(--surface)}button:hover,.button:hover{border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}button.danger{color:var(--danger);border-color:var(--danger)}a.button{text-decoration:none;display:inline-block}input[type=text],input:not([type]),input[type=file]{min-width:200px}.card-list{list-style:none;padding:0;margin:12px 0;display:flex;flex-direction:column;gap:8px}.card{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);text-decoration:none;flex-wrap:wrap;gap:8px}.file-row{flex-direction:column;align-items:stretch;gap:8px}.file-row>div:first-child,.file-row>span:first-child{flex:1}.card-title{font-weight:600}.badge{font-size:.75rem;padding:2px 8px;border-radius:999px;background:var(--border);color:var(--muted)}.share-url{width:100%;font-size:.85rem}