:root{--bg:#0b0f16;--panel:#131a25;--panel-2:#0f1620;--line:#243044;--text:#e8edf5;--muted:#8a99b0;--accent:#4da3ff;--accent-dim:#1d4e80;--good:#3ddc97;--good-bg:#0f2a21;--bad:#ff6b6b;--bad-bg:#2a1414;--warn:#f0b429;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font:15px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}.wrap{max-width:560px;margin:0 auto;padding:48px 16px 64px}header{margin-bottom:24px}h1{margin:0 0 6px;font-size:26px;font-weight:650;letter-spacing:-.01em}.sub{margin:0;color:var(--muted);font-size:14px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.field{display:block;margin-bottom:16px}.field>span{display:block;margin-bottom:6px;font-size:13px;font-weight:550;color:var(--muted)}input[type=password],select{width:100%;padding:11px 12px;background:var(--panel-2);border:1px solid var(--line);border-radius:9px;color:var(--text);font-size:15px;font-family:inherit;outline:none;transition:border-color .15s}input[type=password]:focus,select:focus{border-color:var(--accent)}select{cursor:pointer}option{color:var(--text)}.drop,option{background:var(--panel-2)}.drop{margin-top:4px;padding:34px 20px;border:1.5px dashed var(--line);border-radius:var(--radius);text-align:center;cursor:pointer;transition:border-color .15s,background .15s;display:flex;flex-direction:column;align-items:center;gap:6px}.drop:hover{border-color:var(--accent-dim)}.drop.over{border-color:var(--accent);background:#10243a}.drop.busy{cursor:default;border-style:solid}.drop strong{font-size:15px;font-weight:600}.drop span{font-size:13px;color:var(--muted)}.icon{width:38px;height:38px;border-radius:50%;background:var(--accent-dim);color:#cfe6ff;display:grid;place-items:center;font-size:19px;margin-bottom:4px}.spinner{width:26px;height:26px;margin-bottom:8px;border:2.5px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.result{margin-top:16px;padding:13px 14px;border-radius:9px;display:flex;flex-direction:column;gap:4px;font-size:14px;border:1px solid transparent}.result.good{background:var(--good-bg);border-color:#1d5c45;color:var(--good)}.result.bad{background:var(--bad-bg);border-color:#5c2020;color:var(--bad)}.result span{color:var(--muted);font-size:13px}.result .warn{color:var(--warn)}.sheetlink{display:inline-block;margin-top:18px;color:var(--accent);text-decoration:none;font-size:14px;font-weight:550}.sheetlink:hover{text-decoration:underline}.foot{margin-top:18px;text-align:center;color:var(--muted);font-size:12.5px}@media (max-width:480px){.wrap{padding:28px 16px 48px}.card{padding:18px}}.setup-note{margin:0 0 18px;padding:10px 12px;background:#10243a;border:1px solid var(--accent-dim);border-radius:9px;color:#bcd8f5;font-size:13px}button.primary{width:100%;padding:12px;background:var(--accent);color:#06111d;border:0;border-radius:9px;font:inherit;font-weight:650;cursor:pointer;transition:opacity .15s}button.primary:hover:not(:disabled){opacity:.9}button.primary:disabled{opacity:.35;cursor:not-allowed}.badge{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;margin-bottom:16px;background:var(--panel-2);border:1px solid var(--line);border-radius:9px}.badge-label{display:block;font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:2px}.badge strong{font-size:15.5px;font-weight:620}button.link{background:none;border:0;color:var(--accent);font:inherit;font-size:13px;cursor:pointer;padding:4px 2px;flex:none}button.link:hover{text-decoration:underline}.result .alert{color:#ffb4b4;background:#3a1a1a;border:1px solid #6b2b2b;border-radius:7px;padding:8px 10px;margin-top:4px;font-size:13px;line-height:1.45}