:root {
  --fg: #1a1a1f;
  --fg-muted: #6a6a78;
  --bg: #f6f6f8;
  --surface: #ffffff;
  --border: #e2e2ea;
  --accent: #4a4ac0;
  --accent-fg: #ffffff;
  --danger: #c0322b;
  --error-bg: #fff0f0;
  --info-bg: #eef3ff;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #ececf2;
    --fg-muted: #9a9aaa;
    --bg: #16161c;
    --surface: #1f1f28;
    --border: #2c2c3a;
    --accent: #8a8aff;
    --accent-fg: #0a0a14;
    --danger: #ff7066;
    --error-bg: #3a1f1f;
    --info-bg: #1f2740;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
}

body { padding: 32px 16px; }

.card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

h1 {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 600;
}

h2 {
  margin: 20px 0 8px;
  font-size: 16px;
  font-weight: 600;
}

p { margin: 0 0 12px; }

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

label {
  display: block;
  font-size: 13px;
  color: var(--fg-muted);
  margin: 12px 0 4px;
}

input[type="email"], input[type="text"], input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--fg);
  font: inherit;
}

input:disabled, button:disabled { opacity: 0.55; cursor: not-allowed; }

button, .button {
  display: inline-block;
  padding: 10px 16px;
  margin: 8px 8px 0 0;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-fg);
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

button.ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}

button.danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger);
}

button.link, .link {
  background: transparent;
  border: none;
  color: var(--accent);
  padding: 4px 0;
  cursor: pointer;
  text-decoration: underline;
}

.oauth-button {
  display: block;
  text-align: center;
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--fg);
  text-decoration: none;
}

.actions { margin-top: 20px; }

.trial-plans {
  margin-top: 18px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.trial-plans legend { color: var(--fg-muted); font-size: 13px; padding: 0 6px; }
.trial-plans label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  cursor: pointer;
}

.row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.row:last-of-type { border-bottom: 0; }
.label { color: var(--fg-muted); font-size: 13px; }
.value { font-variant-numeric: tabular-nums; }

.muted { color: var(--fg-muted); }

.status {
  margin-top: 16px;
  min-height: 1.4em;
  padding: 8px 0;
  font-size: 14px;
}
.status.error { color: var(--danger); padding: 8px 12px; background: var(--error-bg); border-radius: 8px; }
.status.info  { color: var(--fg);    padding: 8px 12px; background: var(--info-bg);  border-radius: 8px; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: var(--bg);
  padding: 1px 4px;
  border-radius: 4px;
}