:root {
  --bg: #fafaf7; --fg: #1d1f24; --muted: #5d6270; --card: #fff; --line: #e3e3dc;
  --accent: #2b6cb0; --accent-fg: #fff; --bad: #c53030; --good: #2f855a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a; --fg: #e8e9ec; --muted: #9aa0ad; --card: #1d2026; --line: #2d313a;
    --accent: #6aa5e8; --accent-fg: #0d1116; --bad: #ff7b7b; --good: #5fd39a;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
.top { max-width: 960px; margin: 0 auto; padding: 14px 16px; }
.brand { font-weight: 700; color: var(--fg); text-decoration: none; }
.panel { max-width: 420px; margin: 32px auto; padding: 24px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
@media (max-width: 480px) { .panel { margin: 16px; } }
h1 { font-size: 26px; margin: 0 0 8px; }
.sub { color: var(--muted); margin: 0 0 20px; }
form { display: flex; flex-direction: column; gap: 10px; margin: 0; }
label { font-size: 14px; color: var(--muted); }
input { font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; width: 100%; }
.btn { display: block; width: 100%; text-align: center; text-decoration: none; font: inherit; font-weight: 600; cursor: pointer; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-fg); padding: 10px 16px; border-radius: 8px; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn:disabled { opacity: .6; cursor: progress; }
.btn:focus-visible, a:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.or { text-align: center; color: var(--muted); font-size: 14px; margin: 14px 0; }
.msg { margin: 14px 0 0; }
.msg.bad { color: var(--bad); }
.msg.good { color: var(--good); }
.dev { margin-top: 20px; padding-top: 16px; border-top: 1px dashed var(--line); }
.note { color: var(--muted); font-size: 14px; }
.consent { display: flex; gap: 10px; align-items: flex-start; margin: 0 0 16px; color: var(--fg); }
.consent input { width: auto; margin-top: 4px; flex: none; }
.consent a { color: var(--accent); }
.btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; }
.telegram { margin-top: 10px; display: flex; justify-content: center; min-height: 44px; }
.telegram iframe { max-width: 100%; }
[hidden] { display: none !important; }