/*
 * GSAQ Fluvial License Portal — Design System
 * Visual identity aligned with Luxembourg Emergency Services (112.public.lu / CGDIS)
 * Self-contained utility-first CSS — no external framework dependencies.
 */

/* ==========================================================================
   1. Design tokens (Luxembourg 112 palette)
   ========================================================================== */

:root {
  /* Primary blues — deep institutional tones */
  --lux-blue-deep: #002b5c;
  --lux-blue-dark: #004b87;
  --lux-blue: #005eb8;
  --lux-blue-bright: #0099ff;
  --lux-blue-soft: #e8f2fc;

  /* National accent */
  --lux-red: #e30613;
  --lux-red-dark: #b81217;

  /* Neutrals */
  --color-white: #ffffff;
  --color-gray-50: #f7f9fb;
  --color-gray-100: #eef2f6;
  --color-gray-200: #dce3ea;
  --color-gray-300: #c5cfd8;
  --color-gray-500: #6b7785;
  --color-gray-700: #3d4852;
  --color-gray-900: #1a2332;

  /* Semantic status colors (high visibility, WCAG AA on white) */
  --color-success: #0d7a43;
  --color-success-bg: #e8f5ee;
  --color-success-border: #6fbf8f;

  --color-danger: #b81217;
  --color-danger-bg: #fdecea;
  --color-danger-border: #e57373;

  --color-warning: #8a5a00;
  --color-warning-bg: #fff8e6;
  --color-warning-border: #f0c14b;

  --color-info: #004b87;
  --color-info-bg: #e8f2fc;
  --color-info-border: #64b5f6;

  /* Typography */
  --font-sans: "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.375rem;
  --font-size-2xl: 1.75rem;
  --font-size-3xl: 2.125rem;
  --line-height-tight: 1.25;
  --line-height-base: 1.6;
  --line-height-relaxed: 1.75;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Layout */
  --container-max: 72rem;
  --container-narrow: 42rem;
  --header-height: 4.5rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(0, 43, 92, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 43, 92, 0.1);
  --shadow-lg: 0 12px 32px rgba(0, 43, 92, 0.14);
  --shadow-focus: 0 0 0 3px rgba(0, 153, 255, 0.45);

  /* Motion */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* ==========================================================================
   2. Reset & base
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-gray-900);
  background-color: var(--color-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--lux-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--lux-blue-dark);
}

a:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--radius-sm);
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--space-4);
  line-height: var(--line-height-tight);
  font-weight: var(--font-weight-bold);
  color: var(--lux-blue-deep);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
  margin: 0 0 var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

ul,
ol {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-6);
}

/* ==========================================================================
   3. Accessibility utilities
   ========================================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 1000;
  padding: var(--space-3) var(--space-4);
  background: var(--lux-blue-deep);
  color: var(--color-white);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  transform: translateY(-200%);
  transition: transform var(--transition-base);
}

.skip-link:focus {
  transform: translateY(0);
  outline: none;
  box-shadow: var(--shadow-focus);
}

:focus-visible {
  outline: 2px solid var(--lux-blue-bright);
  outline-offset: 2px;
}

/* ==========================================================================
   4. Layout utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

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

.justify-center {
  justify-content: center;
}

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: 1fr;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: var(--font-size-sm); }
.text-lg { font-size: var(--font-size-lg); }
.text-muted { color: var(--color-gray-500); }
.text-deep { color: var(--lux-blue-deep); }

.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.w-full { width: 100%; }

/* ==========================================================================
   5. Site header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, var(--lux-blue-deep) 0%, var(--lux-blue-dark) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-height);
  padding-block: var(--space-3);
}

.site-brand {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: inherit;
  text-decoration: none;
}

.site-brand:hover {
  color: var(--color-white);
}

.site-brand__logo {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.site-brand__logo svg {
  width: 2rem;
  height: 2rem;
}

.site-brand__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.site-brand__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: 0.01em;
}

.site-brand__subtitle {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  opacity: 0.88;
  line-height: var(--line-height-tight);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Official badge */
.official-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.official-badge__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-full);
  background: var(--lux-red);
  box-shadow: 0 0 0 2px rgba(227, 6, 19, 0.35);
}

/* Staff portal link in header */
.staff-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  color: rgba(255, 255, 255, 0.92);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.staff-link:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.staff-link:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.staff-link__icon {
  width: 1rem;
  height: 1rem;
  opacity: 0.85;
}

/* Language switcher */
.lang-switcher {
  position: relative;
}

.lang-switcher__label {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.85;
}

.lang-switcher__select {
  appearance: none;
  min-width: 9rem;
  padding: var(--space-2) var(--space-8) var(--space-2) var(--space-3);
  background-color: var(--color-white);
  color: var(--lux-blue-deep);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23002b5c' d='M1.41 0 6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.lang-switcher__select:hover {
  border-color: var(--lux-blue-bright);
}

.lang-switcher__select:focus-visible {
  outline: none;
  border-color: var(--lux-blue-bright);
  box-shadow: var(--shadow-focus);
}

/* ==========================================================================
   6. Main content area
   ========================================================================== */

.site-main {
  flex: 1 0 auto;
  padding-block: var(--space-8);
}

.site-main--landing {
  padding-block: var(--space-10);
}

/* ==========================================================================
   7. Flash messages & alerts
   ========================================================================== */

.flash-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-base);
  box-shadow: var(--shadow-sm);
  animation: alert-enter var(--transition-base) ease-out;
}

@keyframes alert-enter {
  from {
    opacity: 0;
    transform: translateY(-0.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.alert__icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.1rem;
}

.alert__content {
  flex: 1;
}

.alert--info,
.alert--message {
  background: var(--color-info-bg);
  border-color: var(--color-info-border);
  color: var(--color-info);
}

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

.alert--danger,
.alert--error {
  background: var(--color-danger-bg);
  border-color: var(--color-danger-border);
  color: var(--color-danger);
}

.alert--warning {
  background: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: var(--color-warning);
}

/* ==========================================================================
   8. Cards & forms
   ========================================================================== */

.card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.card__header {
  padding: var(--space-6) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--color-gray-100);
}

.card__body {
  padding: var(--space-6);
}

.card__footer {
  padding: var(--space-4) var(--space-6) var(--space-6);
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-100);
}

.card--primary {
  border-top: 4px solid var(--lux-blue);
}

.card--guest {
  border-top: 4px solid var(--lux-blue-bright);
}

.card__eyebrow {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lux-blue);
}

.card__lead {
  font-size: var(--font-size-lg);
  color: var(--color-gray-700);
  line-height: var(--line-height-relaxed);
}

/* Form elements */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--lux-blue-deep);
}

.form-label__required {
  color: var(--lux-red);
  margin-left: var(--space-1);
}

.form-hint {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  line-height: var(--line-height-base);
}

.form-input {
  display: block;
  width: 100%;
  padding: var(--space-4);
  font-family: inherit;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.18em;
  text-align: center;
  text-transform: uppercase;
  color: var(--lux-blue-deep);
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.form-input::placeholder {
  color: var(--color-gray-300);
  letter-spacing: 0.12em;
  font-weight: var(--font-weight-normal);
}

.form-input:hover {
  border-color: var(--color-gray-300);
}

.form-input:focus {
  outline: none;
  background: var(--color-white);
  border-color: var(--lux-blue-bright);
  box-shadow: var(--shadow-focus);
}

.form-input:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  background: var(--color-gray-100);
}

.form-input--exam-id {
  max-width: 16rem;
  margin-inline: auto;
}

.form-input--text {
  letter-spacing: normal;
  text-align: left;
  text-transform: none;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  padding: var(--space-3) var(--space-4);
}

.form-textarea {
  display: block;
  width: 100%;
  min-height: 10rem;
  padding: var(--space-4);
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  letter-spacing: 0.04em;
  color: var(--lux-blue-deep);
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  resize: vertical;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-textarea:focus {
  outline: none;
  background: var(--color-white);
  border-color: var(--lux-blue-bright);
  box-shadow: var(--shadow-focus);
}

.form-select {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--lux-blue-deep);
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:focus {
  outline: none;
  border-color: var(--lux-blue-bright);
  box-shadow: var(--shadow-focus);
}

.form-input.is-invalid {
  border-color: var(--lux-red);
  background: var(--color-danger-bg);
}

.form-error {
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-danger);
}

/* ==========================================================================
   9. Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 3rem;
  padding: var(--space-3) var(--space-6);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast),
    color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn--primary {
  background: linear-gradient(180deg, var(--lux-blue) 0%, var(--lux-blue-dark) 100%);
  color: var(--color-white);
  border-color: var(--lux-blue-dark);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover:not(:disabled) {
  background: linear-gradient(180deg, var(--lux-blue-bright) 0%, var(--lux-blue) 100%);
  color: var(--color-white);
}

.btn--secondary {
  background: var(--color-white);
  color: var(--lux-blue-deep);
  border-color: var(--color-gray-300);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--color-gray-50);
  border-color: var(--lux-blue);
  color: var(--lux-blue-dark);
}

.btn--ghost {
  background: transparent;
  color: var(--lux-blue);
  border-color: transparent;
}

.btn--ghost:hover:not(:disabled) {
  background: var(--lux-blue-soft);
  color: var(--lux-blue-dark);
}

.btn--block {
  display: flex;
  width: 100%;
}

.btn:disabled,
.btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn__icon {
  width: 1.125rem;
  height: 1.125rem;
}

/* ==========================================================================
   10. Landing page sections
   ========================================================================== */

.hero {
  text-align: center;
  margin-bottom: var(--space-10);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--lux-blue-soft);
  color: var(--lux-blue-dark);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
}

.hero__title {
  max-width: 20ch;
  margin-inline: auto;
  margin-bottom: var(--space-4);
}

.hero__subtitle {
  max-width: 42ch;
  margin-inline: auto;
  font-size: var(--font-size-lg);
  color: var(--color-gray-700);
  line-height: var(--line-height-relaxed);
}

.hero__reassurance {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-success-bg);
  color: var(--color-success);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-success-border);
}

.landing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: start;
}

/* Staff portal panel */
.staff-panel {
  padding: var(--space-6);
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.staff-panel__title {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-2);
}

.staff-panel__text {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-4);
}

.staff-panel__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.staff-panel__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  color: var(--lux-blue-deep);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.staff-panel__link:hover {
  background: var(--lux-blue-soft);
  border-color: var(--lux-blue-bright);
  color: var(--lux-blue-dark);
}

.staff-panel__link-desc {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-normal);
  color: var(--color-gray-500);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-200);
}

.trust-strip__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.trust-strip__icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--lux-blue);
}

/* ==========================================================================
   11. Site footer
   ========================================================================== */

.site-footer {
  flex-shrink: 0;
  margin-top: auto;
  background: var(--lux-blue-deep);
  color: rgba(255, 255, 255, 0.88);
  font-size: var(--font-size-sm);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-block: var(--space-8);
}

.site-footer__brand {
  font-weight: var(--font-weight-semibold);
  color: var(--color-white);
}

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-8);
  font-size: var(--font-size-xs);
  opacity: 0.8;
}

.site-footer__link {
  color: rgba(255, 255, 255, 0.92);
}

.site-footer__link:hover {
  color: var(--color-white);
}

.site-footer__divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  border: 0;
  margin: 0;
}

/* ==========================================================================
   12. Responsive breakpoints
   ========================================================================== */

@media (min-width: 640px) {
  .landing-grid {
    grid-template-columns: 1fr 18rem;
  }

  .staff-panel {
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
  }
}

@media (min-width: 768px) {
  :root {
    --font-size-3xl: 2.5rem;
  }

  .site-header__inner {
    padding-block: var(--space-4);
  }

  .site-brand__title {
    font-size: var(--font-size-xl);
  }

  .card__header,
  .card__body {
    padding: var(--space-8);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-6);
  }

  .landing-grid {
    grid-template-columns: 1fr 20rem;
    gap: var(--space-10);
  }
}

/* ==========================================================================
   13. Reduced motion preference
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   14. High contrast mode support
   ========================================================================== */

@media (prefers-contrast: more) {
  .btn--primary {
    border-width: 3px;
  }

  .form-input {
    border-width: 3px;
  }

  .card {
    border-width: 2px;
  }
}

/* ==========================================================================
   15. Exam interface (Sub-Task 4.2)
   ========================================================================== */

body.exam-mode {
  background: var(--color-white);
}

body.exam-mode .site-main,
body.exam-mode .exam-main {
  padding-block: 0;
}

body.modal-open {
  overflow: hidden;
}

/* Minimal exam header */
.exam-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--lux-blue-deep);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.exam-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 4rem;
  padding-block: var(--space-3);
}

.exam-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.exam-header__logo {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
}

.exam-header__title {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
}

.exam-header__subtitle {
  margin: 0;
  font-size: var(--font-size-xs);
  opacity: 0.85;
}

.exam-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.exam-header__lang,
.exam-header__mode {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.04em;
}

.exam-header__lang {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.exam-header__mode {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}

/* Countdown timer (Sub-Task 4.3) */
.exam-timer {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-width: 6.5rem;
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-md);
}

.exam-timer__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.85;
}

.exam-timer__display {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--color-white);
  transition: color var(--transition-fast);
}

.exam-timer--warning .exam-timer__display {
  color: #f5c842;
}

.exam-timer--critical .exam-timer__display {
  color: #ff6b6b;
  animation: exam-timer-flash 1s ease-in-out infinite;
}

@keyframes exam-timer-flash {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

/* Locked / expired exam states */
body.exam-locked .exam-form,
body.exam-locked .exam-nav {
  pointer-events: none;
  opacity: 0.55;
}

body.exam-locked .exam-question-card {
  filter: grayscale(0.15);
}

.exam-expired-overlay {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: grid;
  place-items: center;
  background: rgba(0, 43, 92, 0.72);
  backdrop-filter: blur(3px);
}

.exam-expired-overlay[hidden] {
  display: none;
}

.exam-expired-overlay__panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  max-width: 24rem;
  padding: var(--space-8);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.exam-expired-overlay__title {
  margin: 0;
  font-size: var(--font-size-lg);
  color: var(--lux-blue-deep);
}

.exam-expired-overlay__spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--lux-blue);
  border-radius: var(--radius-full);
  animation: exam-spinner 0.8s linear infinite;
}

@keyframes exam-spinner {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .exam-timer--critical .exam-timer__display {
    animation: none;
  }

  .exam-expired-overlay__spinner {
    animation: none;
  }
}

/* Progress bar */
.exam-shell {
  padding-bottom: var(--space-10);
}

.exam-progress {
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--color-gray-200);
  background: var(--color-gray-50);
}

.exam-progress__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.exam-progress__label {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--lux-blue-deep);
}

.exam-progress__percent {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--lux-blue);
}

.exam-progress__track {
  height: 0.625rem;
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.exam-progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--lux-blue) 0%, var(--lux-blue-bright) 100%);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.exam-progress__answered {
  margin: var(--space-2) 0 0;
}

/* Question card */
.exam-content {
  padding-block: var(--space-8);
  max-width: 52rem;
}

.exam-question-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: var(--space-8);
}

.exam-question-card__header {
  padding: var(--space-6) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--color-gray-100);
  background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.exam-question-card__chapter {
  display: inline-block;
  margin-bottom: var(--space-3);
  padding: var(--space-1) var(--space-3);
  background: var(--lux-blue-soft);
  color: var(--lux-blue-dark);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-full);
}

.exam-question-card__text {
  margin: 0;
  font-size: var(--font-size-xl);
  line-height: var(--line-height-relaxed);
  color: var(--lux-blue-deep);
}

/* Multiple-choice options */
.exam-choices {
  margin: 0;
  padding: var(--space-6);
  border: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.exam-choice {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.exam-choice:hover {
  border-color: var(--lux-blue-bright);
  background: var(--color-white);
}

.exam-choice.is-selected,
.exam-choice:has(.exam-choice__input:checked) {
  border-color: var(--lux-blue);
  background: var(--lux-blue-soft);
  box-shadow: var(--shadow-sm);
}

.exam-choice__input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.exam-choice__input:focus-visible + .exam-choice__indicator {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.exam-choice__indicator {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-white);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-full);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.exam-choice.is-selected .exam-choice__indicator,
.exam-choice:has(.exam-choice__input:checked) .exam-choice__indicator {
  background: var(--lux-blue);
  border-color: var(--lux-blue-dark);
}

.exam-choice__letter {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--lux-blue-deep);
}

.exam-choice.is-selected .exam-choice__letter,
.exam-choice:has(.exam-choice__input:checked) .exam-choice__letter {
  color: var(--color-white);
}

.exam-choice__text {
  flex: 1;
  padding-top: 0.35rem;
  font-size: var(--font-size-lg);
  line-height: var(--line-height-base);
  color: var(--color-gray-900);
}

/* Navigation */
.exam-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.exam-nav__group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.exam-nav__btn {
  flex: 1 1 auto;
  min-width: 10rem;
}

.exam-nav__submit {
  width: 100%;
}

.btn--submit {
  background: linear-gradient(180deg, var(--lux-red) 0%, var(--lux-red-dark) 100%);
  color: var(--color-white);
  border-color: var(--lux-red-dark);
  box-shadow: var(--shadow-sm);
}

.btn--submit:hover:not(:disabled) {
  background: linear-gradient(180deg, #f01824 0%, var(--lux-red) 100%);
  color: var(--color-white);
}

/* Modal */
.exam-modal[hidden] {
  display: none;
}

.exam-modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  padding: var(--space-4);
}

.exam-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 43, 92, 0.55);
  backdrop-filter: blur(2px);
}

.exam-modal__panel {
  position: relative;
  z-index: 1;
  width: min(100%, 28rem);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.exam-modal__header {
  padding: var(--space-6) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--color-gray-100);
}

.exam-modal__title {
  margin: 0;
  font-size: var(--font-size-xl);
  color: var(--lux-blue-deep);
}

.exam-modal__body {
  padding: var(--space-5) var(--space-6);
}

.exam-modal__text {
  margin: 0 0 var(--space-4);
  color: var(--color-gray-700);
  line-height: var(--line-height-relaxed);
}

.exam-modal__warning {
  margin: 0 0 var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius-md);
  color: var(--color-warning);
  font-weight: var(--font-weight-medium);
}

.exam-modal__success {
  margin: 0 0 var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-success-bg);
  border: 1px solid var(--color-success-border);
  border-radius: var(--radius-md);
  color: var(--color-success);
  font-weight: var(--font-weight-medium);
}

.exam-modal__footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: flex-end;
  padding: var(--space-4) var(--space-6) var(--space-6);
  background: var(--color-gray-50);
  border-top: 1px solid var(--color-gray-100);
}

.exam-modal__submit-form {
  margin: 0;
}

/* Exam footer */
.exam-footer {
  padding-block: var(--space-4);
  background: var(--color-gray-100);
  border-top: 1px solid var(--color-gray-200);
}

.exam-footer__text {
  margin: 0;
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

@media (min-width: 640px) {
  .exam-header__inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
  }

  .exam-header__brand {
    justify-self: start;
  }

  .exam-timer {
    justify-self: center;
  }

  .exam-header__meta {
    justify-self: end;
  }

  .exam-nav {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .exam-nav__group {
    flex: 1;
  }

  .exam-nav__submit {
    width: auto;
    min-width: 12rem;
  }

  .exam-question-card__text {
    font-size: var(--font-size-2xl);
  }
}

@media (min-width: 768px) {
  .exam-progress {
    padding-block: var(--space-8);
  }

  .exam-question-card__header,
  .exam-choices {
    padding: var(--space-8);
  }
}

/* ==========================================================================
   16. Manager dashboard tables
   ========================================================================== */

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.data-table th,
.data-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
  vertical-align: top;
}

.data-table th {
  font-weight: var(--font-weight-semibold);
  color: var(--lux-blue-deep);
  background: var(--color-gray-50);
}

.data-table tbody tr:hover {
  background: var(--color-gray-50);
}

.data-table code {
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: var(--font-size-sm);
  letter-spacing: 0.06em;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

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

.status-badge--pending {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-300);
}

.status-badge--in-progress {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}

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

.admin-managers-form-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .admin-managers-form-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.admin-managers-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.btn--sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}

.hidden {
  display: none !important;
}

.session-weights-summary {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
}

.session-weights-summary__total {
  font-size: var(--font-size-xl);
  color: var(--color-success);
}

.session-weights-summary__total--invalid {
  color: var(--color-danger);
}

.session-weights-summary__total--invalid {
  color: var(--color-danger);
}

.question-bank-chapters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.question-bank-chapter-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: 999px;
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
  color: var(--lux-blue-dark);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.question-bank-chapter-pill:hover,
.question-bank-chapter-pill:focus-visible {
  border-color: var(--lux-blue);
  box-shadow: 0 0 0 3px var(--lux-blue-soft);
  outline: none;
}

.question-bank-chapter-pill--active {
  background: var(--lux-blue-deep);
  border-color: var(--lux-blue-deep);
  color: var(--color-white);
}

.question-bank-chapter-pill__count {
  display: inline-flex;
  min-width: 1.5rem;
  justify-content: center;
  padding: 0 var(--space-2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  font-size: var(--font-size-sm);
}

.question-bank-chapter-pill--active .question-bank-chapter-pill__count {
  background: rgba(255, 255, 255, 0.2);
}

.question-bank-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--space-4);
  align-items: end;
}

.question-bank-filters__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.question-bank-table__chapter-row td {
  background: var(--lux-blue-soft);
  color: var(--lux-blue-deep);
  font-size: var(--font-size-sm);
  border-top: 2px solid var(--lux-blue);
}

.question-bank-table__text {
  max-width: 18rem;
  white-space: normal;
}

.question-bank-table__archived {
  opacity: 0.72;
}

.question-bank-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.question-bank-form__columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.question-bank-choices {
  display: grid;
  gap: var(--space-3);
}

.question-bank-choice-row {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: var(--space-2);
  align-items: center;
}

.question-bank-choice-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.375rem;
  background: var(--lux-blue-soft);
  color: var(--lux-blue-deep);
  font-weight: var(--font-weight-bold);
}

.question-bank-correct-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.exam-modal__panel--wide {
  max-width: 48rem;
}

.question-bank-import {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-4);
}

.question-bank-import .form-group {
  flex: 1 1 16rem;
}

.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.question-media-dropzone {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 10rem;
  padding: var(--space-6);
  border: 2px dashed var(--color-gray-300);
  border-radius: 0.75rem;
  background: var(--color-gray-50);
  cursor: pointer;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.question-media-dropzone:focus-visible {
  outline: none;
  border-color: var(--lux-blue);
  box-shadow: 0 0 0 3px var(--lux-blue-soft);
}

.question-media-dropzone--active,
.question-media-dropzone:hover {
  border-color: var(--lux-blue);
  background: var(--lux-blue-soft);
}

.question-media-dropzone__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-gray-700);
  text-align: center;
}

.question-media-dropzone__icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--lux-blue);
}

.question-media-dropzone__preview {
  max-width: 100%;
  max-height: 14rem;
  border-radius: 0.5rem;
  object-fit: contain;
}

.question-media-upload--busy .question-media-dropzone {
  opacity: 0.72;
  pointer-events: none;
}

.question-media-status--error {
  color: var(--color-danger);
}

.question-media-status--success {
  color: var(--color-success);
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.manager-dashboard-header {
  text-align: left;
  margin-bottom: var(--space-8);
}

.manager-dashboard-header .hero__title,
.manager-dashboard-header .hero__subtitle {
  max-width: none;
  margin-inline: 0;
}

.manager-dashboard-header__actions {
  margin-top: var(--space-4);
}

.tracking-room {
  margin-bottom: var(--space-6);
}

.tracking-room__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.tracking-room__title {
  margin: 0 0 var(--space-2);
  font-size: var(--font-size-xl);
  color: var(--lux-blue-deep);
}

.tracking-room__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tracking-room__divider {
  border: 0;
  height: 1px;
  background: var(--color-gray-200);
  margin: var(--space-6) 0;
}

.tracking-table code {
  font-size: var(--font-size-base);
}

.mb-6 {
  margin-bottom: var(--space-6);
}

/* --------------------------------------------------------------------------
   17. Admin log viewer (Sub-Task 7.4)
   -------------------------------------------------------------------------- */

.log-viewer__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.log-viewer__filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.log-viewer__filter-btn {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-gray-300);
  background: var(--color-white);
  color: var(--color-gray-700);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.log-viewer__filter-btn:hover {
  background: var(--color-gray-100);
}

.log-viewer__filter-btn.is-active {
  background: var(--lux-blue-deep);
  border-color: var(--lux-blue-deep);
  color: var(--color-white);
}

.log-viewer__filter-btn--info.is-active {
  background: var(--color-info);
  border-color: var(--color-info);
}

.log-viewer__filter-btn--warning.is-active {
  background: var(--color-warning);
  border-color: var(--color-warning-border);
  color: var(--color-gray-900);
}

.log-viewer__filter-btn--security.is-active {
  background: var(--color-danger);
  border-color: var(--color-danger-border);
  color: var(--color-white);
}

.log-viewer__body {
  padding-top: 0;
}

.log-viewer__grid {
  max-height: 32rem;
  overflow: auto;
  background: var(--color-gray-900);
  border: 1px solid var(--color-gray-700);
  border-radius: var(--radius-md);
  padding: var(--space-3) 0;
  font-family: ui-monospace, "Cascadia Code", "Segoe UI Mono", monospace;
  font-size: var(--font-size-sm);
  line-height: 1.45;
}

.log-viewer__line {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-3);
  padding: var(--space-1) var(--space-4);
  border-left: 3px solid transparent;
}

.log-viewer__line:hover {
  background: rgba(255, 255, 255, 0.04);
}

.log-viewer__line--info {
  border-left-color: var(--color-info-border);
}

.log-viewer__line--warning {
  border-left-color: var(--color-warning-border);
}

.log-viewer__line--security {
  border-left-color: var(--color-danger-border);
  background: rgba(184, 18, 23, 0.08);
}

.log-viewer__lineno {
  color: var(--color-gray-500);
  text-align: right;
  user-select: none;
}

.log-viewer__text {
  color: #e8edf2;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: inherit;
}

.log-viewer__empty {
  padding: var(--space-6);
}

.dns-diagnostic-pre {
  margin: 0;
  padding: var(--space-4);
  overflow-x: auto;
  border-radius: var(--radius-md);
  background: var(--color-gray-900);
  color: #e8edf2;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.8125rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}