* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: #0e0e10;
  color: #efeff1;
  line-height: 1.5;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.1rem; margin-bottom: 12px; }
h3 { font-size: 0.95rem; margin-bottom: 8px; }
h4 { font-size: 0.85rem; margin: 12px 0 6px; color: #adadb8; }

.subtitle { color: #adadb8; margin-bottom: 16px; }

.card {
  background: #18181b;
  border: 1px solid #2d2d32;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.hint {
  color: #adadb8;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.hint.warn { color: #f97316; }

.url-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

input[type="text"],
input[type="password"] {
  flex: 1;
  background: #0e0e10;
  border: 1px solid #2d2d32;
  color: #efeff1;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.9rem;
}

label {
  display: block;
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: #adadb8;
}

label input { width: 100%; margin-top: 4px; }

.btn-primary,
.btn-secondary,
button[type="submit"] {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  border: none;
  margin-right: 8px;
  margin-top: 4px;
}

.btn-primary, button[type="submit"] {
  background: #9146ff;
  color: white;
}

.btn-primary:hover, button[type="submit"]:hover {
  background: #772ce8;
}

.btn-secondary {
  background: #2d2d32;
  color: #efeff1;
}

.btn-secondary:hover {
  background: #3f3f46;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.platform-card {
  background: #0e0e10;
  border: 1px solid #2d2d32;
  border-radius: 6px;
  padding: 12px;
}

.status-text {
  font-size: 0.85rem;
  color: #adadb8;
  margin-bottom: 8px;
}

.status-text.ok { color: #22c55e; }
.status-text.err { color: #ef4444; }

.checklist {
  list-style: none;
}

.checklist li {
  padding: 6px 0;
  font-size: 0.9rem;
}

.checklist li.ok::before { content: '✓ '; color: #22c55e; }
.checklist li.fail::before { content: '✗ '; color: #ef4444; }

.fallback-links a {
  color: #9146ff;
  margin-right: 16px;
  font-size: 0.85rem;
}

footer {
  text-align: center;
  color: #71717a;
  font-size: 0.8rem;
  margin-top: 24px;
}

.login-card {
  max-width: 360px;
  margin: 80px auto;
  background: #18181b;
  border: 1px solid #2d2d32;
  border-radius: 8px;
  padding: 32px 24px;
}

.login-card h1 { margin-bottom: 4px; }

.error { color: #ef4444; margin-top: 12px; font-size: 0.85rem; }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #22c55e;
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
}

.toast.hidden { display: none; }