:root {
  --bg: #0b1030;
  --surface: #141a45;
  --border: #2a3270;
  --text: #eef0ff;
  --muted: #a9afd6;
  --accent: #5b6cff;
  --danger: #ff6b7a;
  --ok: #4ad19a;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}

a { color: #9aa5ff; }

.page { max-width: 760px; margin: 0 auto; padding: 48px 16px 80px; }

header.site { display: flex; align-items: center; gap: 12px; margin-bottom: 40px; }
header.site img { height: 40px; width: auto; }
header.site nav { margin-left: auto; display: flex; gap: 16px; font-size: 14px; }

h1 { font-size: 32px; line-height: 1.2; margin: 0 0 16px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--muted); }
strong { color: var(--text); }

.hero { display: flex; gap: 24px; align-items: center; margin-bottom: 32px; }
.hero img { width: 96px; height: 96px; border-radius: 22px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin: 16px 0; }

footer.site { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 13px; color: var(--muted); }
footer.site a { margin-right: 12px; }

button, .button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 10px 16px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
button.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
button.danger { background: transparent; border: 1px solid var(--danger); color: var(--danger); }
button:disabled { opacity: .5; cursor: not-allowed; }

label { display: block; margin: 12px 0 4px; font-weight: 600; }
label.inline { display: flex; align-items: center; gap: 8px; font-weight: 400; color: var(--muted); }
input[type="text"], textarea, select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  font: inherit;
}
textarea { min-height: 80px; resize: vertical; }

.account { display: flex; align-items: center; gap: 12px; }
.account img { width: 48px; height: 48px; border-radius: 50%; }
.account .actions { margin-left: auto; display: flex; gap: 8px; }

.notice { padding: 12px 16px; border-radius: 8px; border: 1px solid var(--border); margin: 12px 0; }
.notice.ok { border-color: var(--ok); color: var(--ok); }
.notice.error { border-color: var(--danger); color: var(--danger); }

video { width: 100%; max-height: 420px; border-radius: 8px; background: #000; margin-top: 8px; }
.hint { font-size: 13px; color: var(--muted); margin: 4px 0; }
.hidden { display: none; }