:root{color-scheme:dark;--bg:#111827;--panel:#1b2638;--text:#e7edf7;--muted:#b6c2d5;--border:#43536e;--link:#b7c8ff;--button:#b7c8ff;--button-text:#14203b}
:root[data-theme="daylight"]{color-scheme:light;--bg:#f3f6fb;--panel:#fff;--text:#19263c;--muted:#51617a;--border:#bac8dc;--link:#294bab;--button:#294bab;--button-text:#fff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 system-ui,sans-serif}main{max-width:440px;margin:48px auto;padding:24px;background:var(--panel);border:1px solid var(--border);border-radius:12px}header{display:flex;align-items:center;justify-content:space-between;gap:16px}header a{font-weight:750;letter-spacing:.08em;text-decoration:none}h1{font-size:24px;margin:20px 0 6px}p{margin:10px 0;color:var(--muted)}a{color:var(--link)}form{display:grid;gap:8px;margin:16px 0}input,button{font:inherit;border:1px solid var(--border);border-radius:6px;padding:9px 11px}input{width:100%;min-width:0;background:var(--bg);color:var(--text)}button{cursor:pointer;background:var(--button);color:var(--button-text);font-weight:600}button:disabled{opacity:.65;cursor:wait}small{color:var(--muted)}:focus-visible{outline:2px solid var(--link);outline-offset:3px}[hidden]{display:none!important}#new-link{display:inline-block;margin-left:16px}@media(max-width:480px){main{margin:16px;padding:20px}h1{font-size:22px}}