/* GeekBro ID — hosted pages.
   System font stack, compact density, light/dark via prefers-color-scheme.
   No gradients, no blur, no decoration that isn't carrying information. */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #0f172a;
  --color-muted: #64748b;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-contrast: #ffffff;
  --color-danger: #b91c1c;
  --color-danger-bg: #fef2f2;
  --color-danger-border: #fecaca;
  --color-success: #15803d;
  --color-success-bg: #f0fdf4;
  --color-success-border: #bbf7d0;
  --radius: 8px;
  --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 1px rgba(15, 23, 42, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0b0f17;
    --color-surface: #111827;
    --color-border: #253142;
    --color-text: #e5e7eb;
    --color-muted: #94a3b8;
    --color-accent: #3b82f6;
    --color-accent-hover: #60a5fa;
    --color-accent-contrast: #0b0f17;
    --color-danger: #f87171;
    --color-danger-bg: rgba(248, 113, 113, 0.1);
    --color-danger-border: rgba(248, 113, 113, 0.35);
    --color-success: #4ade80;
    --color-success-bg: rgba(74, 222, 128, 0.1);
    --color-success-border: rgba(74, 222, 128, 0.35);
    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.5);
  }
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── header ───────────────────────────────────────────────────────────── */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.brand {
  font-weight: 600;
  font-size: 14px;
  color: var(--color-text);
}

.lang-switch {
  display: flex;
  gap: 10px;
  font-size: 12px;
}

.lang-switch a {
  color: var(--color-muted);
  font-weight: 600;
}

.lang-switch a.active {
  color: var(--color-accent);
}

/* ── layout ───────────────────────────────────────────────────────────── */

.page {
  padding: 32px 16px 48px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 24px;
  margin: 0 auto;
}

.card.card-auth {
  max-width: 420px;
}

.card.card-wide {
  max-width: 760px;
}

.card + .card {
  margin-top: 16px;
}

h1.card-title {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 600;
}

h2.section-title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 600;
}

.card-intro {
  margin: 0 0 16px;
  color: var(--color-muted);
  font-size: 13px;
}

.card-links {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
}

.card-links-wide {
  max-width: 760px;
  margin: 16px auto;
}

.field-spaced {
  margin-top: 16px;
}

.form-actions-between {
  justify-content: space-between;
}

/* ── forms ────────────────────────────────────────────────────────────── */

form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.field label {
  font-size: 13px;
  font-weight: 500;
}

.field input {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface);
  color: var(--color-text);
  height: 36px;
}

.field input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.field-hint {
  font-size: 12px;
  color: var(--color-muted);
}

.field-error {
  font-size: 12px;
  color: var(--color-danger);
  display: none;
}

.field.has-error .field-error {
  display: block;
}

.field.has-error input {
  border-color: var(--color-danger);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── buttons ──────────────────────────────────────────────────────────── */

button {
  font: inherit;
  cursor: pointer;
}

.btn {
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 8px 14px;
  font-weight: 600;
  font-size: 13px;
  line-height: 1.2;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

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

.btn-danger:hover {
  border-color: var(--color-danger);
}

.btn-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 13px;
}

.btn:disabled,
.btn[aria-busy="true"] {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-small {
  padding: 4px 10px;
  font-size: 12px;
}

/* ── notices ──────────────────────────────────────────────────────────── */

.notice {
  border: 1px solid var(--color-border);
  border-left-width: 3px;
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 16px;
}

.notice-info {
  border-left-color: var(--color-accent);
}

.notice-success {
  border-left-color: var(--color-success);
  background: var(--color-success-bg);
  border-color: var(--color-success-border);
}

.notice-error {
  border-left-color: var(--color-danger);
  background: var(--color-danger-bg);
  border-color: var(--color-danger-border);
}

.notice[hidden] {
  display: none;
}

/* ── badges ───────────────────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.badge-muted {
  background: var(--color-bg);
  color: var(--color-muted);
  border: 1px solid var(--color-border);
}

/* ── lists (sessions / connected apps / security events) ────────────────── */

.row-list {
  display: flex;
  flex-direction: column;
}

.row-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.row-item:last-child {
  border-bottom: none;
}

.row-main {
  min-width: 0;
}

.row-title {
  font-size: 13px;
  font-weight: 500;
}

.row-meta {
  font-size: 12px;
  color: var(--color-muted);
}

.row-empty {
  padding: 12px 0;
  font-size: 13px;
  color: var(--color-muted);
}

/* ── code input (verify-email) ───────────────────────────────────────── */

input[autocomplete="one-time-code"] {
  letter-spacing: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-align: center;
}

/* ── responsive ───────────────────────────────────────────────────────── */

@media (max-width: 480px) {
  .page {
    padding: 20px 16px 40px;
  }

  .card {
    padding: 18px;
  }
}