:root{color-scheme:light dark;--bg: #f4f5f7;--panel: #ffffff;--text: #1b1d21;--muted: #5b606b;--border: #d9dce1;--accent: #2f6feb;--ok: #2f9e44;--warn: #d9820a;--err: #d64545}@media(prefers-color-scheme:dark){:root{--bg: #16181d;--panel: #1e2127;--text: #e8eaed;--muted: #9aa0ab;--border: #2c303a;--accent: #5b8cff}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}#app{max-width:720px;margin:0 auto;padding:40px 20px 80px}h1{font-size:22px;margin:0 0 6px}.lead{color:var(--muted);margin:0 0 24px}.privacy{border:1px solid var(--border);border-left:3px solid var(--ok);background:var(--panel);border-radius:8px;padding:10px 14px;margin-bottom:24px;font-size:13px}.dropzone{border:2px dashed var(--border);border-radius:14px;background:var(--panel);padding:44px 24px;text-align:center;cursor:pointer;transition:border-color .15s}.dropzone.drag{border-color:var(--accent)}.dropzone input{display:none}.filecard{margin-top:18px;border:1px solid var(--border);border-radius:10px;background:var(--panel);padding:14px 16px}.filecard .row{display:flex;justify-content:space-between;gap:12px}.muted{color:var(--muted)}.warn{color:var(--warn)}.err{color:var(--err)}button.primary{margin-top:16px;padding:10px 18px;border:0;border-radius:8px;background:var(--accent);color:#fff;font-weight:600;font-size:15px;cursor:pointer}button.primary:disabled{opacity:.5;cursor:not-allowed}progress{width:100%;margin-top:14px}@media(prefers-reduced-motion:reduce){*{transition:none!important}}