/* =============================================================================
   AUTH overrides (loaded after site.css)
   Purpose: make login card "stunning" and fix dark-mode focus backgrounds.
   ============================================================================= */

/* Fix white background flash on focus in dark mode (and keep consistent in light) */
[data-theme='dark'] .field-input:focus,
[data-theme='dark'] .dataTables_filter input:focus,
[data-theme='dark'] .dataTables_length select:focus {
  background: var(--card-bg) !important;
}

.field-input:focus,
.dataTables_filter input:focus,
.dataTables_length select:focus {
  background: var(--card-bg) !important;
}

/* =============================================================================
   Global dark theme retune (including sidebar)
   ============================================================================= */
[data-theme='dark'] {
  --sb-bg: #070b1a;
  --sb-border: rgba(148, 163, 184, 0.14);

  --bg: #050814;
  --card-bg: #0b1426;
  --card-border: #1c2a44;

  --quiz-body-bg: #071022;

  --badge-bg: linear-gradient(135deg, #121b33, #17284a);
  --badge-border: #24395f;
  --badge-text: #d7e3ff;

  --table-head-bg: #030815;

  --t1: #f1f5ff;
  --t2: #b7c7e4;
  --t3: #8ea4c7;
}

/* Sidebar dark-mode styling is handled by site.css via theme tokens
   (--card-bg / --card-border / --t1 / --t2 / --t3). No overrides needed here. */

/* =============================================================================
   Login page
   ============================================================================= */
.auth-wrap {
  min-height: calc(100dvh - var(--topbar-h) - 56px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px 0;
}

.auth-card {
  width: 100%;
  max-width: 460px;
  position: relative;
  overflow: hidden;

  border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--card-border) 84%, transparent);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--card-bg) 92%, transparent),
    var(--card-bg)
  );
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.12), 0 2px 10px rgba(0, 0, 0, 0.06);
  padding: 18px 18px 16px;
}

.auth-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  background:
    radial-gradient(900px 420px at 10% 0%, rgba(124, 58, 237, 0.22), transparent 55%),
    radial-gradient(900px 420px at 90% 10%, rgba(59, 130, 246, 0.18), transparent 55%);
  pointer-events: none;
}

.auth-header {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.auth-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;

  color: #fff;
  background: linear-gradient(135deg, var(--violet-600), var(--violet-400));
  box-shadow: 0 10px 28px rgba(124, 58, 237, 0.35), 0 2px 8px rgba(0, 0, 0, 0.08);
}

.auth-title {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--t1);
  line-height: 1.15;
}

.auth-subtitle {
  font-size: 0.78rem;
  color: var(--t3);
  margin-top: 2px;
}

.auth-form {
  position: relative;
  z-index: 1;
}

.auth-input {
  border-color: color-mix(in srgb, var(--card-border) 80%, transparent);
  background: color-mix(in srgb, var(--gray-50) 72%, transparent);
}

[data-theme='dark'] .auth-input {
  background: color-mix(in srgb, var(--gray-50) 40%, transparent);
}

.auth-submit {
  width: 100%;
  padding: 10px 14px;
  border-radius: 12px;
  margin-top: 6px;
}

.auth-hint {
  margin-top: 12px;
  font-size: 0.72rem;
  color: var(--t3);
  line-height: 1.5;
}

.auth-hint code {
  background: color-mix(in srgb, var(--gray-100) 70%, transparent);
  border: 1px solid color-mix(in srgb, var(--card-border) 70%, transparent);
  padding: 1px 6px;
  border-radius: 999px;
}