:root{--bg:#0b1220;--card:#111a2e;--line:#243049;--text:#e6ebf5;--mute:#9aa7c0;--acc:#3b82f6;--acc2:#2563eb;--ok:#34d399;--err:#f87171}
@media (prefers-color-scheme:light){:root{--bg:#f3f6fb;--card:#fff;--line:#d9e1ef;--text:#0f1b33;--mute:#51607d}}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:grid;place-items:center;padding:16px;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
.card{width:min(560px,100%);background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px}
.brand{font-weight:700;letter-spacing:.04em;color:var(--acc);font-size:14px;text-transform:uppercase}
h1{margin:6px 0 8px;font-size:26px;line-height:1.25}
.lead{color:var(--mute);margin:0 0 16px}
.points{margin:0 0 18px;padding-left:20px}.points li{margin:4px 0}
.check{display:flex;gap:10px;align-items:flex-start;margin:0 0 16px;color:var(--mute);font-size:14px}
.btn{width:100%;padding:13px 16px;border:0;border-radius:12px;background:var(--acc);color:#fff;font-size:16px;font-weight:600;cursor:pointer}
.btn:hover:not(:disabled){background:var(--acc2)}.btn:disabled{opacity:.45;cursor:not-allowed}
.msg{margin:12px 0 0;color:var(--err)}
.spinner{width:34px;height:34px;border:4px solid var(--line);border-top-color:var(--acc);border-radius:50%;animation:s 1s linear infinite;margin:6px 0 14px}
@keyframes s{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spinner{animation:none}}
.timer{background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.4);border-radius:12px;padding:10px 14px;margin-bottom:14px}
.cred{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:14px;display:grid;gap:8px}
.cred span{display:inline-block;min-width:110px;color:var(--mute)}
code{font:600 15px ui-monospace,SFMono-Regular,Menlo,monospace;background:rgba(127,127,127,.15);padding:2px 8px;border-radius:6px;user-select:all}
.mini{margin-left:6px;padding:3px 10px;border:1px solid var(--line);background:transparent;color:var(--text);border-radius:8px;cursor:pointer;font-size:13px}
.apps{display:grid;gap:10px;margin-bottom:14px}
.app{display:block;padding:12px 14px;border:1px solid var(--line);border-radius:12px;text-decoration:none;color:var(--text)}
.app:hover{border-color:var(--acc)}.app small{display:block;color:var(--mute)}
.note{color:var(--mute);font-size:14px;margin:0 0 10px}
.link{background:none;border:0;color:var(--mute);text-decoration:underline;cursor:pointer;padding:0;font-size:14px}
.foot{margin:18px 0 0;color:var(--mute);font-size:12px}