/* Светлая тема — переменные и фон экрана входа */
[data-theme="light"] {
  color-scheme: light;
  --bg: #f0f3f9;
  --surface: #ffffff;
  --border: #d5dde8;
  --text: #15202b;
  --muted: #5a6a7d;
  /* Акцент и кнопки — бирюзовый (не синий) */
  --accent: #0d9488;
  --accent-dim: rgba(13, 148, 136, 0.12);
  --danger: #dc2626;
  --warn: #b45309;
  --login-glow: rgba(13, 148, 136, 0.4);
  --table-header-bg: #e8edf5;
  --table-sticky-bg: #f5f7fb;
  --table-sticky-head-bg: #e8edf5;
  --badge-bg: #fef3c7;
  --btn-primary: #0f766e;
  --btn-primary-border: #14b8a6;
  --btn-primary-hover: #115e59;
  --btn-danger-border: #fecaca;
  --hint-code: #4b5563;
  --weekday-pill-border: rgba(13, 148, 136, 0.28);
  --login-card-bg: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  --login-card-border: rgba(15, 23, 42, 0.08);
  --login-card-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
  --login-tabs-bg: rgba(15, 23, 42, 0.06);
  --login-tabs-border: rgba(15, 23, 42, 0.08);
  --login-input-bg: #ffffff;
  --login-input-border: rgba(15, 23, 42, 0.12);
  --login-input-border-hover: rgba(15, 23, 42, 0.2);
  --login-select-option-bg: #ffffff;
  --login-tab-active-text: #fff;
  --login-tab-active-bg: rgba(15, 118, 110, 0.95);
  --login-hint-border: rgba(15, 23, 42, 0.08);
  --login-hint-code-bg: rgba(13, 148, 136, 0.1);
  --login-hint-code: #0f766e;
  --shadow-sticky: 4px 0 12px rgba(15, 23, 42, 0.08);
  --class-pill-ok-bg: #dcfce7;
  --class-pill-ok-text: #14532d;
  --class-pill-ok-border: #86efac;
  --class-pill-warn-bg: #fef9c3;
  --class-pill-warn-text: #713f12;
  --class-pill-warn-border: #fde047;
  --merge-coverage-bg: #fef9c3;
  --merge-coverage-border: #fde047;
  --merge-coverage-text: #b91c1c;
}

[data-theme="light"] select.login-input.login-select {
  color-scheme: light;
}

[data-theme="light"] .login-bg {
  background:
    radial-gradient(1200px 600px at 50% -20%, rgba(80, 140, 255, 0.12), transparent 55%),
    radial-gradient(800px 400px at 100% 50%, rgba(120, 80, 200, 0.06), transparent 50%),
    radial-gradient(600px 400px at 0% 80%, rgba(40, 180, 160, 0.05), transparent 45%),
    linear-gradient(165deg, #e8edf5 0%, #f0f4fa 45%, #f8fafc 100%);
}

[data-theme="light"] .login-bg::after {
  opacity: 0.35;
}

[data-theme="light"] .login-logo {
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.28);
}

[data-theme="light"] .portal-logo-mark {
  background: linear-gradient(135deg, #0d9488 0%, #0f766e 50%, #0891b2 100%);
  box-shadow:
    0 12px 32px rgba(13, 148, 136, 0.32),
    0 0 0 1px rgba(255, 255, 255, 0.35) inset;
}

[data-theme="light"] .portal-shell {
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.92) 0%, rgba(248, 250, 252, 0.88) 100%);
  border-color: rgba(15, 23, 42, 0.08);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.04) inset,
    0 28px 56px rgba(15, 23, 42, 0.08),
    0 0 80px rgba(80, 140, 255, 0.06);
}

[data-theme="light"] .portal-header {
  border-bottom-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .portal-card {
  border-color: rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.65);
}

[data-theme="light"] .portal-card:hover {
  border-color: rgba(13, 148, 136, 0.35);
  background: #fff;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .btn.portal-theme {
  border-color: rgba(15, 23, 42, 0.1);
  background: rgba(255, 255, 255, 0.85);
}

[data-theme="light"] .btn.portal-theme:hover {
  border-color: rgba(13, 148, 136, 0.35);
  background: #fff;
}

[data-theme="light"] .btn-settings:hover,
[data-theme="light"] .btn-settings.active {
  border-color: rgba(13, 148, 136, 0.45);
  box-shadow: 0 0 0 1px rgba(13, 148, 136, 0.15);
}

[data-theme="light"] .admin-nav-link:hover {
  background: rgba(15, 23, 42, 0.04);
  border-color: rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .admin-nav-link.active {
  border-color: rgba(13, 148, 136, 0.35);
}

[data-theme="dark"] {
  color-scheme: dark;
}