:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #15181d;
  --muted: #667085;
  --border: #e3e6eb;
  --accent: #2f6fed;
  --accent-text: #ffffff;
  --danger: #c92a2a;
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a20;
    --text: #e9ecf1;
    --muted: #8b93a1;
    --border: #262b34;
    --accent: #5b8def;
    --danger: #ff6b6b;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 var(--font); }
button, input { font: inherit; }
[hidden] { display: none !important; }

.shell { max-width: 720px; margin: 0 auto; padding: 24px 16px 64px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 40px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; }
.brand em { font-style: normal; color: var(--muted); font-weight: 500; }
.mark { width: 14px; height: 14px; border-radius: 4px; background: var(--accent); }
.user { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; }
.link:hover { text-decoration: underline; }

h1 { font-size: 24px; margin: 0 0 4px; letter-spacing: -0.02em; }
.muted { color: var(--muted); }
.center { text-align: center; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }

.gate { max-width: 420px; margin: 8vh auto 0; }
.gate p { margin-top: 0; }
.field { display: block; margin: 20px 0 14px; }
.field span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); }
.field input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.primary { width: 100%; padding: 11px 16px; border: 0; border-radius: 8px; background: var(--accent); color: var(--accent-text); font-weight: 600; cursor: pointer; }
.primary:disabled { opacity: .6; cursor: default; }
.error { color: var(--danger); font-size: 14px; margin: 12px 0 0; }

.section-head { margin-bottom: 20px; }
.section-head p { margin: 0; }
.app-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.app { display: grid; grid-template-columns: 1fr auto; gap: 12px 16px; align-items: start; }
.app h2 { font-size: 17px; margin: 0; }
.app .meta { font-size: 13px; color: var(--muted); margin: 2px 0 0; display: flex; flex-wrap: wrap; gap: 4px 10px; }
.app .notes { margin: 10px 0 0; font-size: 14px; white-space: pre-wrap; grid-column: 1 / -1; }
.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.download { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); text-decoration: none; font-weight: 500; white-space: nowrap; }
.download:hover { border-color: var(--accent); color: var(--accent); }
@media (max-width: 480px) { .app { grid-template-columns: 1fr; } .download { text-align: center; } }