/* ==========================================================================
   HolaNolis Tutor PWA — Main Styles
   Design tokens, dark mode, base layout, sidebar navigation, data tables,
   alert severity colors, card components, status badges, responsive.
   P11-002 — Desktop-first with responsive mobile support.
   Ref: doc 31 (tutor dashboard spec), doc 16 (brand), doc 48 Section 10 (WCAG 2.1 AA).
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties — Design Tokens
   Same token system as minor CSS, tutor-specific palette.
   -------------------------------------------------------------------------- */

:root {
  /* --- Brand Colors — Tutor palette (deep blue primary, doc 31 Section 1.3) --- */
  --color-primary:          #1E40AF; /* Deep Blue */
  --color-primary-light:    #3B82F6; /* Lighter blue for hover/focus */
  --color-primary-dark:     #1E3A8A; /* Darker blue for active/pressed */

  --color-bg:               #F8FAFC; /* Warm White (doc 31 Section 1.3) */
  --color-bg-secondary:     #F1F5F9; /* Slightly darker bg for contrast */
  --color-surface:          #FFFFFF; /* Cards, panels */

  --color-text-primary:     #1E293B; /* Near-black for body text */
  --color-text-secondary:   #64748B; /* Slate — labels, captions (doc 31 Section 11.5) */
  --color-text-muted:       #94A3B8; /* Timestamps, placeholders */
  --color-text-inverse:     #FFFFFF; /* Text on dark/blue backgrounds */

  /* Secondary accent colors (doc 16, doc 31 Section 1.2) */
  --color-coral:            #EF4444; /* Alerts HIGH, errors, crisis */
  --color-amber:            #F59E0B; /* Alerts MEDIUM, warnings */
  --color-teal:             #0D9488; /* Success / positive indicators */
  --color-lavender:         #A78BFA; /* Info accent */
  --color-slate:            #64748B; /* UI muted elements */

  /* Alert severity colors (doc 31 Section 5.2.2) */
  --color-alert-high:       #EF4444; /* RED */
  --color-alert-high-bg:    rgba(239, 68, 68, 0.1);
  --color-alert-high-text:  #991B1B;
  --color-alert-medium:     #F59E0B; /* AMBER/YELLOW */
  --color-alert-medium-bg:  rgba(245, 158, 11, 0.1);
  --color-alert-medium-text:#92400E;
  --color-alert-low:        #0D9488; /* TEAL (same as success) */
  --color-alert-low-bg:     rgba(13, 148, 136, 0.1);
  --color-alert-low-text:   #115E59;

  /* Supervision badge colors */
  --color-supervision-light:   #22C55E; /* Green */
  --color-supervision-medium:  #EAB308; /* Yellow */
  --color-supervision-full:    #EF4444; /* Red */

  /* State colors */
  --color-focus-ring:       #1E40AF;
  --color-error:            #EF4444;
  --color-success:          #22C55E;
  --color-warning:          #F59E0B;
  --color-info:             #3B82F6;

  /* Input colors */
  --color-input-border:     #E2E8F0; /* doc 31 Section 11.5 dividers */
  --color-input-bg:         #FFFFFF;
  --color-input-text:       #1E293B;

  /* --- Typography (doc 16, Section 10.4; doc 31 Section 11.4) --- */
  --font-family:            'Inter', 'Noto Sans', -apple-system, BlinkMacSystemFont,
                            'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-family-mono:       'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono',
                            'Courier New', monospace;

  --font-size-xs:           0.6875rem; /* 11px — badges (doc 31 Section 11.4) */
  --font-size-sm:           0.75rem;   /* 12px — labels, captions */
  --font-size-base:         0.875rem;  /* 14px — body text (doc 31 Section 11.4) */
  --font-size-md:           1rem;      /* 16px — card titles */
  --font-size-lg:           1.125rem;  /* 18px — section headers mobile */
  --font-size-xl:           1.25rem;   /* 20px — section headers desktop */
  --font-size-2xl:          1.5rem;    /* 24px — page title mobile */
  --font-size-3xl:          1.75rem;   /* 28px — page title desktop */
  --font-size-metric:       2rem;      /* 32px — metric numbers desktop */
  --font-size-metric-sm:    1.75rem;   /* 28px — metric numbers mobile */

  --font-weight-regular:    400;
  --font-weight-medium:     500;
  --font-weight-semibold:   600;
  --font-weight-bold:       700;

  --line-height-tight:      1.25;
  --line-height-normal:     1.5;
  --line-height-relaxed:    1.75;

  /* --- Spacing --- */
  --space-1:                0.25rem;   /* 4px */
  --space-2:                0.5rem;    /* 8px */
  --space-3:                0.75rem;   /* 12px — card gap (doc 31 Section 11.3) */
  --space-4:                1rem;      /* 16px */
  --space-5:                1.25rem;   /* 20px */
  --space-6:                1.5rem;    /* 24px */
  --space-8:                2rem;      /* 32px */
  --space-10:               2.5rem;    /* 40px */
  --space-12:               3rem;      /* 48px */
  --space-16:               4rem;      /* 64px */

  /* --- Border Radius (doc 31 Section 1.3) --- */
  --radius-sm:              0.25rem;   /* 4px — inputs */
  --radius-md:              0.5rem;    /* 8px — buttons */
  --radius-lg:              0.75rem;   /* 12px — cards */
  --radius-xl:              1rem;      /* 16px */
  --radius-full:            9999px;    /* Circles, pills */

  /* --- Shadows (doc 31 Section 1.3) --- */
  --shadow-sm:              0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md:              0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg:              0 10px 15px rgba(0, 0, 0, 0.1);

  /* --- Transitions --- */
  --transition-fast:        150ms ease;
  --transition-base:        200ms ease;
  --transition-slow:        300ms ease;

  /* --- Layout --- */
  --sidebar-width:          240px;     /* Desktop sidebar */
  --sidebar-width-collapsed:64px;      /* Collapsed sidebar (icons only) */
  --content-max-width:      800px;     /* Content area max (doc 31 Section 2.2) */
  --content-max-width-lg:   1200px;    /* Desktop L max (doc 31 Section 11.1) */
  --header-height:          56px;      /* Mobile header */
  --tab-bar-height:         56px;      /* Mobile bottom tab bar */
  --touch-target:           44px;      /* WCAG 2.5.5 minimum */
  --list-item-min-height:   56px;      /* doc 31 Section 11.3 */

  /* --- Safe areas --- */
  --safe-area-top:          env(safe-area-inset-top, 0px);
  --safe-area-bottom:       env(safe-area-inset-bottom, 0px);
  --safe-area-left:         env(safe-area-inset-left, 0px);
  --safe-area-right:        env(safe-area-inset-right, 0px);
}

/* --------------------------------------------------------------------------
   2. Dark Mode
   Automatic via prefers-color-scheme + manual .dark class toggle.
   Ref: doc 31 Section 11.5.
   -------------------------------------------------------------------------- */

@media (prefers-color-scheme: dark) {
  :root:not(.light) {
    --color-primary:          #3B82F6; /* Brighter blue for dark mode readability */
    --color-primary-light:    #60A5FA;
    --color-primary-dark:     #2563EB;

    --color-bg:               #1E293B;
    --color-bg-secondary:     #0F172A;
    --color-surface:          #334155;

    --color-text-primary:     #F1F5F9;
    --color-text-secondary:   #94A3B8;
    --color-text-muted:       #64748B;
    --color-text-inverse:     #FFFFFF;

    --color-input-border:     #475569;
    --color-input-bg:         #334155;
    --color-input-text:       #F1F5F9;

    --color-focus-ring:       #60A5FA;

    /* State colors — brighter for dark backgrounds */
    --color-success:          #34D399;
    --color-error:            #F87171;
    --color-warning:          #FBBF24;
    --color-info:             #60A5FA;

    /* Alert dark mode (doc 31 Section 11.5) */
    --color-alert-high:       #F87171;
    --color-alert-high-text:  #F87171;
    --color-alert-medium:     #FBBF24;
    --color-alert-medium-text:#FBBF24;
    --color-alert-low-text:   #2DD4BF;

    --shadow-sm:              0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md:              0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg:              0 10px 15px rgba(0, 0, 0, 0.5);
  }
}

/* Manual dark mode toggle via .dark class on <html> */
.dark {
  --color-primary:          #3B82F6;
  --color-primary-light:    #60A5FA;
  --color-primary-dark:     #2563EB;

  --color-bg:               #1E293B;
  --color-bg-secondary:     #0F172A;
  --color-surface:          #334155;

  --color-text-primary:     #F1F5F9;
  --color-text-secondary:   #94A3B8;
  --color-text-muted:       #64748B;
  --color-text-inverse:     #FFFFFF;

  --color-input-border:     #475569;
  --color-input-bg:         #334155;
  --color-input-text:       #F1F5F9;

  --color-focus-ring:       #60A5FA;

  --color-success:          #34D399;
  --color-error:            #F87171;
  --color-warning:          #FBBF24;
  --color-info:             #60A5FA;

  --color-alert-high:       #F87171;
  --color-alert-high-text:  #F87171;
  --color-alert-medium:     #FBBF24;
  --color-alert-medium-text:#FBBF24;
  --color-alert-low-text:   #2DD4BF;

  --shadow-sm:              0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md:              0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg:              0 10px 15px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   3. Reset & Base
   -------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  min-height: 100dvh;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
}

#app > * {
  width: 100%;
}

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

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

a:hover {
  text-decoration: underline;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--color-input-text);
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* --------------------------------------------------------------------------
   4. Accessibility
   Ref: doc 31 Section 16, doc 48 Section 10 (WCAG 2.1 AA).
   -------------------------------------------------------------------------- */

/* Focus visible — keyboard navigation */
:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-semibold);
}

.skip-link:focus {
  top: var(--space-2);
}

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

/* 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;
  }
}

/* Minimum touch target helper */
.touch-target {
  min-width: var(--touch-target);
  min-height: var(--touch-target);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* High contrast mode support */
@media (prefers-contrast: more) {
  :root {
    --shadow-sm: 0 0 0 1px var(--color-text-primary);
    --shadow-md: 0 0 0 1px var(--color-text-primary);
    --shadow-lg: 0 0 0 2px var(--color-text-primary);
  }
}

/* --------------------------------------------------------------------------
   5. Desktop-First Layout — Sidebar + Content
   Desktop is primary experience for tutor dashboard (doc 31 Section 2.2).
   -------------------------------------------------------------------------- */

.dashboard-layout {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
}

/* --- Sidebar (desktop: always visible, doc 31 Section 2.4) --- */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-input-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100vh;
  height: 100dvh;
  position: sticky;
  top: 0;
  z-index: 20;
  transition: width var(--transition-slow);
  overflow: hidden;
}

.sidebar--collapsed {
  width: var(--sidebar-width-collapsed);
}

.sidebar__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-4);
  height: var(--header-height);
  border-bottom: 1px solid var(--color-input-border);
  flex-shrink: 0;
}

.sidebar__logo {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  white-space: nowrap;
}

.sidebar__collapse-btn {
  min-width: var(--touch-target);
  min-height: var(--touch-target);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-left: auto;
  transition: background-color var(--transition-fast);
}

.sidebar__collapse-btn:hover {
  background-color: var(--color-bg-secondary);
}

/* --- Sidebar Navigation --- */
.sidebar__nav {
  flex: 1;
  padding: var(--space-3) var(--space-2);
  overflow-y: auto;
}

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

.sidebar__nav-group + .sidebar__nav-group {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-input-border);
}

.sidebar__nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  min-height: var(--touch-target);
  white-space: nowrap;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

.sidebar__nav-item:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  text-decoration: none;
}

.sidebar__nav-item--active {
  background-color: rgba(30, 64, 175, 0.08);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.dark .sidebar__nav-item--active {
  background-color: rgba(96, 165, 250, 0.12);
}

.sidebar__nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-md);
}

.sidebar__nav-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Badge count on nav items (e.g., Alerts) */
.sidebar__nav-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 var(--space-1);
  border-radius: var(--radius-full);
  background-color: var(--color-alert-high);
  color: var(--color-text-inverse);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

/* Collapsed sidebar — hide labels, show icons only */
.sidebar--collapsed .sidebar__nav-label,
.sidebar--collapsed .sidebar__nav-badge,
.sidebar--collapsed .sidebar__logo,
.sidebar--collapsed .sidebar__user-name,
.sidebar--collapsed .sidebar__user-plan {
  display: none;
}

.sidebar--collapsed .sidebar__nav-item {
  justify-content: center;
  padding: var(--space-2);
}

/* --- Sidebar Footer: User info --- */
.sidebar__footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-input-border);
  flex-shrink: 0;
}

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

.sidebar__user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar__user-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar__user-plan {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* --- Main Content Area --- */
.main-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.main-content__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-input-border);
  min-height: var(--header-height);
  flex-shrink: 0;
}

.main-content__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
}

.main-content__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.main-content__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}

.main-content__body {
  flex: 1;
  padding: var(--space-6);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.main-content__inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* Breadcrumbs — desktop only (doc 31 Section 2.5) */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.breadcrumbs__item {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumbs__item:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumbs__item--current {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

.breadcrumbs__separator {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

/* --------------------------------------------------------------------------
   6. Mobile Bottom Tab Bar (hidden on desktop)
   Ref: doc 31 Section 2.3.
   -------------------------------------------------------------------------- */

.tab-bar {
  display: none; /* Hidden on desktop */
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--tab-bar-height);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-input-border);
  padding-bottom: var(--safe-area-bottom);
  z-index: 20;
}

.tab-bar__items {
  display: flex;
  align-items: stretch;
  height: 100%;
}

.tab-bar__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 48px;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast);
  cursor: pointer;
}

.tab-bar__item:hover {
  text-decoration: none;
}

.tab-bar__item--active {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.tab-bar__icon {
  font-size: var(--font-size-lg);
  line-height: 1;
}

.tab-bar__label {
  font-size: var(--font-size-xs);
  line-height: 1;
}

/* Badge on tab item (e.g., unreviewed alert count) */
.tab-bar__badge {
  position: absolute;
  top: 4px;
  right: calc(50% - 18px);
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: var(--radius-full);
  background-color: var(--color-alert-high);
  color: var(--color-text-inverse);
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   7. Mobile Header (hidden on desktop)
   -------------------------------------------------------------------------- */

.mobile-header {
  display: none; /* Hidden on desktop */
  align-items: center;
  gap: var(--space-3);
  height: var(--header-height);
  padding: 0 var(--space-4);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-input-border);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 15;
}

.mobile-header__back {
  min-width: var(--touch-target);
  min-height: var(--touch-target);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}

.mobile-header__back:hover {
  background-color: var(--color-bg-secondary);
}

.mobile-header__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  flex: 1;
}

.mobile-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* --------------------------------------------------------------------------
   8. Cards
   doc 31: card-based layout, self-contained responsive stackable cards.
   -------------------------------------------------------------------------- */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.card--interactive {
  cursor: pointer;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card--interactive:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.card--interactive:active {
  transform: translateY(0);
}

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

.card__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  flex: 1;
}

.card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

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

.card__footer {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-input-border);
}

/* Card grid: 2-column on desktop (doc 31 Section 3.4) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

/* --------------------------------------------------------------------------
   9. Minor Card — Per-minor overview card on dashboard
   Ref: doc 31 Section 3.3.3.
   -------------------------------------------------------------------------- */

.minor-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.minor-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.minor-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.minor-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.minor-card__name {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}

.minor-card__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.minor-card__stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.minor-card__stat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.minor-card__stat-icon {
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.minor-card__alert-count {
  color: var(--color-alert-high);
  font-weight: var(--font-weight-semibold);
}

.minor-card__alert-count--none {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-regular);
}

.minor-card__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-input-border);
}

/* Pending states on minor card (doc 31 Section 3.3.3) */
.minor-card--pending {
  border: 1px dashed var(--color-input-border);
  box-shadow: none;
}

.minor-card--suspended {
  border-left: 3px solid var(--color-warning);
}

/* Activity indicator dot */
.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.activity-dot--active {
  background-color: var(--color-success);
}

.activity-dot--inactive {
  background-color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   10. Metric Cards — Usage summary row
   Ref: doc 31 Section 4.3.2.
   -------------------------------------------------------------------------- */

.metric-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.metric-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.metric-card__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.metric-card__value {
  font-size: var(--font-size-metric);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-text-primary);
}

.metric-card__trend {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-top: var(--space-1);
}

.metric-card__trend--up {
  color: var(--color-success);
}

.metric-card__trend--down {
  color: var(--color-alert-high);
}

.metric-card__trend--neutral {
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   11. Supervision Badge
   Ref: doc 31 Section 3.3.3.
   -------------------------------------------------------------------------- */

.supervision-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
  cursor: help;
}

.supervision-badge__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.supervision-badge--light {
  background-color: rgba(34, 197, 94, 0.1);
  color: #166534;
}
.supervision-badge--light .supervision-badge__dot {
  background-color: var(--color-supervision-light);
}

.supervision-badge--medium {
  background-color: rgba(234, 179, 8, 0.1);
  color: #854D0E;
}
.supervision-badge--medium .supervision-badge__dot {
  background-color: var(--color-supervision-medium);
}

.supervision-badge--full {
  background-color: rgba(239, 68, 68, 0.1);
  color: #991B1B;
}
.supervision-badge--full .supervision-badge__dot {
  background-color: var(--color-supervision-full);
}

.dark .supervision-badge--light { color: #86EFAC; }
.dark .supervision-badge--medium { color: #FDE047; }
.dark .supervision-badge--full { color: #FCA5A5; }

/* --------------------------------------------------------------------------
   12. Status Badges — Generic status/state indicators
   -------------------------------------------------------------------------- */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  white-space: nowrap;
}

.status-badge--unreviewed {
  background-color: var(--color-alert-high-bg);
  color: var(--color-alert-high-text);
}

.status-badge--reviewed {
  background-color: rgba(34, 197, 94, 0.1);
  color: #166534;
}

.status-badge--false-positive {
  background-color: rgba(148, 163, 184, 0.15);
  color: var(--color-text-secondary);
}

.status-badge--pending {
  background-color: var(--color-alert-medium-bg);
  color: var(--color-alert-medium-text);
}

.status-badge--active {
  background-color: rgba(34, 197, 94, 0.1);
  color: #166534;
}

.status-badge--inactive {
  background-color: rgba(148, 163, 184, 0.15);
  color: var(--color-text-secondary);
}

.dark .status-badge--unreviewed { color: var(--color-alert-high); }
.dark .status-badge--reviewed { color: #86EFAC; }
.dark .status-badge--pending { color: var(--color-alert-medium); }
.dark .status-badge--active { color: #86EFAC; }

/* --------------------------------------------------------------------------
   13. Alert Severity Styles
   RED = HIGH, AMBER/YELLOW = MEDIUM, GREEN/TEAL = LOW.
   Ref: doc 31 Section 5.2.2, doc 24.
   Color is NEVER the sole indicator — always icon + text + color (WCAG 1.4.1).
   -------------------------------------------------------------------------- */

/* Alert severity icons */
.severity-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
}

.severity-indicator--high {
  background-color: var(--color-alert-high);
  color: var(--color-text-inverse);
}

.severity-indicator--medium {
  background-color: var(--color-alert-medium);
  color: #1E293B;
}

.severity-indicator--low {
  background-color: var(--color-alert-low);
  color: var(--color-text-inverse);
}

/* Alert banner (doc 31 Section 3.3.2) — sticky on mobile */
.alert-banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  position: sticky;
  top: 0;
  z-index: 10;
}

.alert-banner--high {
  background-color: var(--color-alert-high);
  color: var(--color-text-inverse);
}

.alert-banner--medium {
  background-color: var(--color-alert-medium);
  color: #1E293B;
}

.alert-banner__action {
  margin-left: auto;
  font-weight: var(--font-weight-semibold);
  text-decoration: underline;
  white-space: nowrap;
  color: inherit;
}

/* Alert list item (doc 31 Section 5.2.2) */
.alert-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-input-border);
  transition: background-color var(--transition-fast);
  cursor: pointer;
}

.alert-item:hover {
  background-color: var(--color-bg-secondary);
}

.alert-item--unreviewed {
  background-color: rgba(239, 68, 68, 0.03);
}

.alert-item__content {
  flex: 1;
  min-width: 0;
}

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

.alert-item__severity {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
}

.alert-item__severity--high {
  color: var(--color-alert-high-text);
}

.alert-item__severity--medium {
  color: var(--color-alert-medium-text);
}

.alert-item__severity--low {
  color: var(--color-alert-low-text);
}

.dark .alert-item__severity--high { color: var(--color-alert-high); }
.dark .alert-item__severity--medium { color: var(--color-alert-medium); }
.dark .alert-item__severity--low { color: #2DD4BF; }

.alert-item__category {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.alert-item__minor {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.alert-item__time {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.alert-item__excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
  font-style: italic;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.alert-item__action {
  flex-shrink: 0;
  align-self: center;
}

/* --------------------------------------------------------------------------
   14. Data Tables — Alert list, report data on desktop
   On desktop: full table layout. On mobile: cards.
   Ref: doc 31 Section 11.2 (alert list = table on desktop).
   -------------------------------------------------------------------------- */

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

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 5;
}

.data-table th {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 2px solid var(--color-input-border);
  white-space: nowrap;
}

.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-input-border);
  color: var(--color-text-primary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background-color var(--transition-fast);
}

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

.data-table tbody tr--clickable {
  cursor: pointer;
}

/* Sortable column header */
.data-table th--sortable {
  cursor: pointer;
  user-select: none;
}

.data-table th--sortable:hover {
  color: var(--color-text-primary);
}

.data-table th--sorted-asc::after {
  content: ' \2191'; /* ↑ */
}

.data-table th--sorted-desc::after {
  content: ' \2193'; /* ↓ */
}

/* Table alignment variants */
.data-table td--right,
.data-table th--right {
  text-align: right;
}

.data-table td--center,
.data-table th--center {
  text-align: center;
}

/* Compact table variant (more rows visible) */
.data-table--compact th,
.data-table--compact td {
  padding: var(--space-2) var(--space-3);
}

/* Striped rows (optional) */
.data-table--striped tbody tr:nth-child(even) {
  background-color: var(--color-bg-secondary);
}

/* --------------------------------------------------------------------------
   15. Inline Alert/Notification Banners
   -------------------------------------------------------------------------- */

.alert-inline {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}

.alert-inline--info {
  background-color: rgba(59, 130, 246, 0.1);
  color: #1E40AF;
}

.alert-inline--warning {
  background-color: var(--color-alert-medium-bg);
  color: var(--color-alert-medium-text);
}

.alert-inline--error {
  background-color: var(--color-alert-high-bg);
  color: var(--color-alert-high-text);
}

.alert-inline--success {
  background-color: rgba(34, 197, 94, 0.1);
  color: #166534;
}

.dark .alert-inline--info    { color: #93C5FD; }
.dark .alert-inline--warning { color: var(--color-alert-medium); }
.dark .alert-inline--error   { color: var(--color-alert-high); }
.dark .alert-inline--success { color: #86EFAC; }

/* --------------------------------------------------------------------------
   16. Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--touch-target);
  padding: var(--space-2) var(--space-6);
  border-radius: 24px;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  transition: background-color var(--transition-fast), color var(--transition-fast),
              box-shadow var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 1px 3px rgba(30, 64, 175, 0.2);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: 0 2px 8px rgba(30, 64, 175, 0.3);
  transform: translateY(-1px);
}

.btn--primary:active {
  background-color: var(--color-primary-dark);
  transform: scale(0.98);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}

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

.btn--ghost:hover {
  background-color: var(--color-bg-secondary);
}

.btn--danger {
  background-color: var(--color-error);
  color: var(--color-text-inverse);
}

.btn--danger:hover {
  background-color: #DC2626;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--sm {
  min-height: 36px;
  padding: var(--space-1) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn--full {
  width: 100%;
}

.btn--icon {
  padding: var(--space-2);
  min-width: var(--touch-target);
}

/* --------------------------------------------------------------------------
   17. Form Elements
   -------------------------------------------------------------------------- */

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

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.form-input {
  min-height: var(--touch-target);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-md);
  background-color: var(--color-input-bg);
  color: var(--color-input-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
  outline: none;
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-input--error {
  border-color: var(--color-error);
}

.form-input--error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Select / dropdown */
.form-select {
  min-height: var(--touch-target);
  padding: var(--space-3) var(--space-8) var(--space-3) var(--space-4);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-md);
  background-color: var(--color-input-bg);
  color: var(--color-input-text);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2364748B' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  cursor: pointer;
}

.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.15);
  outline: none;
}

/* --------------------------------------------------------------------------
   18. Filter Chips — Alert/report filters
   Ref: doc 31 Section 11.3 (32px height, 12px padding, 8px gap).
   -------------------------------------------------------------------------- */

.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-3) 0;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  height: 32px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background-color: var(--color-surface);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast);
  white-space: nowrap;
}

.filter-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-chip--active {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.filter-chip--active:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* Severity-specific filter chips */
.filter-chip--high {
  border-color: var(--color-alert-high);
  color: var(--color-alert-high-text);
}
.filter-chip--high.filter-chip--active {
  background-color: var(--color-alert-high);
  color: var(--color-text-inverse);
}

.filter-chip--medium {
  border-color: var(--color-alert-medium);
  color: var(--color-alert-medium-text);
}
.filter-chip--medium.filter-chip--active {
  background-color: var(--color-alert-medium);
  color: #1E293B;
}

/* --------------------------------------------------------------------------
   19. Horizontal Tabs — Minor detail screen
   Ref: doc 31 Section 4.2.
   -------------------------------------------------------------------------- */

.tab-nav {
  display: flex;
  align-items: stretch;
  border-bottom: 2px solid var(--color-input-border);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.tab-nav::-webkit-scrollbar {
  display: none;
}

.tab-nav__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  text-decoration: none;
  min-height: var(--touch-target);
}

.tab-nav__item:hover {
  color: var(--color-text-primary);
  text-decoration: none;
}

.tab-nav__item--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.tab-nav__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 var(--space-1);
  border-radius: var(--radius-full);
  background-color: var(--color-alert-high);
  color: var(--color-text-inverse);
  font-size: 10px;
  font-weight: var(--font-weight-bold);
}

/* --------------------------------------------------------------------------
   20. Loading & Empty States
   Ref: doc 31 Section 12.
   -------------------------------------------------------------------------- */

.loading-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-input-border);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  min-height: 200px;
  color: var(--color-text-muted);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-8);
  text-align: center;
  color: var(--color-text-muted);
}

.empty-state__icon {
  font-size: 3rem;
  opacity: 0.5;
}

.empty-state__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.empty-state__text {
  font-size: var(--font-size-sm);
  max-width: 320px;
}

/* --------------------------------------------------------------------------
   21. Toast Notifications
   -------------------------------------------------------------------------- */

.toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
  max-width: 400px;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  animation: toast-in var(--transition-slow) ease;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast--success { border-left: 3px solid var(--color-success); }
.toast--error   { border-left: 3px solid var(--color-error); }
.toast--warning { border-left: 3px solid var(--color-warning); }
.toast--info    { border-left: 3px solid var(--color-info); }

/* --------------------------------------------------------------------------
   22. Pagination
   -------------------------------------------------------------------------- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-4) 0;
}

.pagination__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
}

.pagination__btn:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.pagination__btn--active {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.pagination__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* --------------------------------------------------------------------------
   23. Typography Utilities
   -------------------------------------------------------------------------- */

.text-xs     { font-size: var(--font-size-xs); }
.text-sm     { font-size: var(--font-size-sm); }
.text-base   { font-size: var(--font-size-base); }
.text-md     { font-size: var(--font-size-md); }
.text-lg     { font-size: var(--font-size-lg); }
.text-xl     { font-size: var(--font-size-xl); }
.text-2xl    { font-size: var(--font-size-2xl); }
.text-3xl    { font-size: var(--font-size-3xl); }

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

.text-primary   { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted     { color: var(--color-text-muted); }
.text-brand     { color: var(--color-primary); }
.text-error     { color: var(--color-error); }
.text-success   { color: var(--color-success); }
.text-center    { text-align: center; }

/* --------------------------------------------------------------------------
   24. Utility Classes
   -------------------------------------------------------------------------- */

.hidden         { display: none !important; }
.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-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end    { justify-content: flex-end; }
.gap-1          { gap: var(--space-1); }
.gap-2          { gap: var(--space-2); }
.gap-3          { gap: var(--space-3); }
.gap-4          { gap: var(--space-4); }
.gap-6          { gap: var(--space-6); }
.p-2            { padding: var(--space-2); }
.p-3            { padding: var(--space-3); }
.p-4            { padding: var(--space-4); }
.p-6            { padding: var(--space-6); }
.mt-2           { margin-top: var(--space-2); }
.mt-4           { margin-top: var(--space-4); }
.mt-6           { margin-top: var(--space-6); }
.mb-2           { margin-bottom: var(--space-2); }
.mb-4           { margin-bottom: var(--space-4); }
.mb-6           { margin-bottom: var(--space-6); }
.ml-auto        { margin-left: auto; }
.w-full         { width: 100%; }
.rounded        { border-radius: var(--radius-md); }
.rounded-lg     { border-radius: var(--radius-lg); }
.rounded-full   { border-radius: var(--radius-full); }
.truncate       { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.shadow-sm      { box-shadow: var(--shadow-sm); }
.shadow-md      { box-shadow: var(--shadow-md); }
.border-b       { border-bottom: 1px solid var(--color-input-border); }

/* --------------------------------------------------------------------------
   25. Responsive — Mobile Adaptations (desktop-first)
   Ref: doc 31 Section 11.
   -------------------------------------------------------------------------- */

/* Tablet: 768-1023px — 2-column cards, bottom tab bar */
@media (max-width: 1023px) {
  .sidebar {
    display: none;
  }

  .mobile-header {
    display: flex;
  }

  .tab-bar {
    display: block;
  }

  .main-content__body {
    padding: var(--space-4);
    padding-bottom: calc(var(--tab-bar-height) + var(--safe-area-bottom) + var(--space-4));
  }

  .main-content__header {
    display: none; /* Replaced by mobile-header */
  }

  /* Breadcrumbs hidden on mobile (doc 31 Section 2.5) */
  .breadcrumbs {
    display: none;
  }

  .main-content__inner {
    max-width: none;
  }

  .metric-card__value {
    font-size: var(--font-size-metric-sm);
  }
}

/* Mobile: <768px — single column */
@media (max-width: 767px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .metric-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
  }

  .metric-card {
    padding: var(--space-3);
  }

  .metric-card__value {
    font-size: var(--font-size-xl);
  }

  .main-content__body {
    padding: var(--space-3);
    padding-bottom: calc(var(--tab-bar-height) + var(--safe-area-bottom) + var(--space-3));
  }

  /* Data tables become card-based on mobile */
  .data-table--responsive thead {
    display: none;
  }

  .data-table--responsive tbody,
  .data-table--responsive tr,
  .data-table--responsive td {
    display: block;
  }

  .data-table--responsive tr {
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-input-border);
    margin-bottom: var(--space-2);
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
  }

  .data-table--responsive td {
    padding: var(--space-1) 0;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .data-table--responsive td::before {
    content: attr(data-label);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-right: var(--space-4);
  }

  .tab-nav__item {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
  }
}

/* Mobile S: <375px — extra compact */
@media (max-width: 374px) {
  .metric-cards {
    grid-template-columns: 1fr;
  }

  .minor-card__actions {
    flex-direction: column;
  }

  .minor-card__actions .btn {
    width: 100%;
  }
}

/* Desktop L: >=1440px — wider content area */
@media (min-width: 1440px) {
  .main-content__inner {
    max-width: var(--content-max-width-lg);
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
}

/* ==========================================================================
   23. Auth Pages — Login & Register
   Shared styles for login and registration screens.
   Centered card layout, full-viewport height.
   Ref: doc 19 Steps 2-4, code-plan P11-004.
   ========================================================================== */

/* ─── Auth Page Layout (centered card) ─────────────────────────────────────── */

.view-login,
.view-register {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--space-4);
  background-color: var(--color-bg);
  background-image: radial-gradient(ellipse at 50% 0%, rgba(30, 64, 175, 0.04) 0%, transparent 60%);
}

/* ─── Login Card ───────────────────────────────────────────────────────────── */

.login-card {
  width: 100%;
  max-width: 420px;
  padding: var(--space-8) var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  justify-content: center;
}

.login-brand__logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-text-inverse);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(30, 64, 175, 0.25);
}

.login-brand__name {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.login-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-1);
  text-align: center;
}

.login-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  text-align: center;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.login-footer {
  margin-top: var(--space-6);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.login-link {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.login-forgot-link {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.form-group--end {
  text-align: right;
}

/* ─── Password Wrapper ─────────────────────────────────────────────────────── */

.password-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-wrapper .form-input {
  width: 100%;
  padding-right: var(--space-12);
}

.password-toggle {
  position: absolute;
  right: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.password-toggle:hover {
  color: var(--color-text-primary);
}

.toggle-icon {
  font-size: var(--font-size-md);
  line-height: 1;
}

/* ─── Password Strength Indicator ──────────────────────────────────────────── */

.password-strength {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.password-strength__bar {
  flex: 1;
  height: 4px;
  background-color: var(--color-input-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.password-strength__fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-base), background-color var(--transition-base);
  background-color: var(--color-text-muted);
}

.password-strength__fill.strength--weak {
  background-color: var(--color-error);
}

.password-strength__fill.strength--fair {
  background-color: var(--color-warning);
}

.password-strength__fill.strength--good {
  background-color: var(--color-success);
}

.password-strength__fill.strength--strong {
  background-color: #16A34A; /* Darker green */
}

.password-strength__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  min-width: 5rem;
  white-space: nowrap;
}

.password-strength__label.strength--weak { color: var(--color-error); }
.password-strength__label.strength--fair { color: var(--color-warning); }
.password-strength__label.strength--good { color: var(--color-success); }
.password-strength__label.strength--strong { color: #16A34A; }

/* ─── General Form Error ───────────────────────────────────────────────────── */

.form-error-general {
  text-align: center;
  font-size: var(--font-size-sm);
  padding: var(--space-2);
}

.form-success {
  font-size: var(--font-size-sm);
  color: var(--color-success);
  text-align: center;
  padding: var(--space-2);
}

/* ─── Checkbox Styles ──────────────────────────────────────────────────────── */

.register-checkboxes {
  gap: var(--space-3);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  line-height: var(--line-height-normal);
}

.checkbox-label a {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.checkbox-label--optional {
  color: var(--color-text-secondary);
}

.checkbox-input {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* ─── Register Wrapper ─────────────────────────────────────────────────────── */

.register-wrapper {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
}

.register-step {
  padding: var(--space-8) var(--space-6);
}

.register-step--plans {
  padding: 0;
}

.register-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-1);
  text-align: center;
}

.register-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  text-align: center;
}

.register-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 420px;
  margin: 0 auto;
}

.register-footer {
  margin-top: var(--space-6);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.register-actions {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
}

.register-actions--center {
  justify-content: center;
  margin-top: var(--space-4);
}

/* ─── Progress Bar ─────────────────────────────────────────────────────────── */

.register-progress {
  padding: var(--space-6) var(--space-4) var(--space-4);
}

.register-progress__steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.register-progress__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  min-width: 60px;
}

.register-progress__dot {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  border: 2px solid var(--color-input-border);
  color: var(--color-text-muted);
  background-color: var(--color-surface);
  transition: all var(--transition-base);
}

.register-progress__step--active .register-progress__dot {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.register-progress__step--completed .register-progress__dot {
  border-color: var(--color-success);
  background-color: var(--color-success);
  color: var(--color-text-inverse);
}

.register-progress__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
}

.register-progress__step--active .register-progress__label {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.register-progress__step--completed .register-progress__label {
  color: var(--color-success);
}

.register-progress__line {
  width: 60px;
  height: 2px;
  background-color: var(--color-input-border);
  margin: 0 var(--space-2);
  margin-bottom: var(--space-5); /* Align with dots, above labels */
  transition: background-color var(--transition-base);
}

.register-progress__line--completed {
  background-color: var(--color-success);
}

/* ─── Plan Cards (Step 3) ──────────────────────────────────────────────────── */

.plan-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.plan-card {
  display: flex;
  flex-direction: column;
  position: relative;
  padding: var(--space-6);
  border: 2px solid var(--color-input-border);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.plan-card:hover {
  border-color: var(--color-primary-light);
}

.plan-card--recommended {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.plan-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.plan-card__header {
  margin-bottom: var(--space-4);
}

.plan-card__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
}

.plan-card__price {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
}

.plan-card__period {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  color: var(--color-text-secondary);
}

.plan-card__annual {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.plan-card__savings {
  color: var(--color-success);
  font-weight: var(--font-weight-semibold);
}

/* Billing toggle */
.plan-card__billing-toggle {
  display: flex;
  gap: var(--space-2);
  margin: var(--space-3) 0;
  padding: var(--space-1);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
}

.billing-toggle {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.billing-radio {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.billing-toggle__label {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  width: 100%;
  text-align: center;
  justify-content: center;
}

.billing-radio:checked + .billing-toggle__label {
  background-color: var(--color-surface);
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-sm);
}

.billing-toggle__save {
  font-size: var(--font-size-xs);
  color: var(--color-success);
  font-weight: var(--font-weight-semibold);
}

/* Plan features list */
.plan-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  flex: 1;
}

.plan-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

.plan-feature__icon {
  flex-shrink: 0;
  font-size: var(--font-size-sm);
  width: 16px;
  text-align: center;
}

.plan-feature--included .plan-feature__icon {
  color: var(--color-success);
}

.plan-feature--excluded {
  color: var(--color-text-muted);
}

.plan-feature--excluded .plan-feature__icon {
  color: var(--color-text-muted);
}

.plan-card__cta {
  margin-top: auto;
}

/* Plan info below cards */
.plan-info {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

/* ─── Forgot Password Modal ────────────────────────────────────────────────── */

.forgot-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  align-items: center;
  justify-content: center;
}

.forgot-modal--open {
  display: flex;
}

.forgot-modal__backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.forgot-modal__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: var(--space-6);
  margin: var(--space-4);
}

.forgot-modal__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
}

.forgot-modal__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.forgot-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.forgot-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
}

/* ─── Auth Pages Mobile Responsive ─────────────────────────────────────────── */

@media (max-width: 767px) {
  .login-card {
    max-width: none;
    padding: var(--space-6) var(--space-4);
  }

  .register-step {
    padding: var(--space-6) var(--space-4);
  }

  .register-form {
    max-width: none;
  }

  .plan-cards {
    grid-template-columns: 1fr;
  }

  .plan-card {
    padding: var(--space-4);
  }

  .register-progress__line {
    width: 40px;
  }
}

@media (max-width: 374px) {
  .register-actions {
    flex-direction: column;
  }

  .register-actions .btn {
    width: 100%;
  }
}

/* ==========================================================================
   26. CSS Polish — Visual refinements for demo-ready UI
   ========================================================================== */

/* ─── SSO Section ─────────────────────────────────────────────────────────── */

.sso-divider {
  margin-top: var(--space-4);
}

.divider-line {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
}

.divider-line::before,
.divider-line::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-input-border);
}

.sso-btn {
  border: 1px solid var(--color-input-border);
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
}

.sso-btn:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-text-muted);
}

.btn--outline {
  background-color: transparent;
  border: 1px solid var(--color-input-border);
  color: var(--color-text-primary);
}

.btn--outline:hover {
  background-color: var(--color-bg-secondary);
}

/* ─── Dashboard Polish ────────────────────────────────────────────────────── */

.dashboard__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) 0;
  margin-bottom: var(--space-4);
}

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

.dashboard__greeting {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
}

.dashboard__plan-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.dashboard__plan-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  background-color: rgba(30, 64, 175, 0.08);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.dashboard__plan-badge:hover {
  background-color: rgba(30, 64, 175, 0.14);
}

.dashboard__minor-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.dashboard__avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-text-inverse);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
  box-shadow: 0 2px 8px rgba(30, 64, 175, 0.2);
}

.dashboard__avatar:hover {
  box-shadow: 0 3px 12px rgba(30, 64, 175, 0.3);
  transform: scale(1.05);
}

.dashboard__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  list-style: none;
  padding: 0;
}

@media (max-width: 767px) {
  .dashboard__grid {
    grid-template-columns: 1fr;
  }
}

.dashboard__loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-16) 0;
  color: var(--color-text-muted);
}

.dashboard__error {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-8);
  text-align: center;
  color: var(--color-text-secondary);
}

.dashboard__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-12) var(--space-4);
  text-align: center;
}

.dashboard__empty-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.dashboard__empty-hint {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  max-width: 320px;
}

/* ─── Alert Banner on Dashboard ───────────────────────────────────────────── */

.dashboard__alert-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-4);
}

.dashboard__alert-banner--high {
  background-color: var(--color-alert-high);
  color: var(--color-text-inverse);
}

.dashboard__alert-banner--medium {
  background-color: var(--color-alert-medium);
  color: #1E293B;
}

.dashboard__alert-banner-btn {
  font-weight: var(--font-weight-semibold);
  text-decoration: underline;
  white-space: nowrap;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* ─── Plan Banner ─────────────────────────────────────────────────────────── */

.plan-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.06) 0%, rgba(59, 130, 246, 0.08) 100%);
  border: 1px solid rgba(30, 64, 175, 0.12);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  box-shadow: 0 1px 3px rgba(30, 64, 175, 0.06);
}

.plan-banner--urgent {
  background-color: var(--color-alert-medium-bg);
  border-color: var(--color-alert-medium);
}

.plan-banner__text {
  color: var(--color-text-secondary);
}

.plan-banner__btn {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-inverse);
  background-color: var(--color-primary);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.plan-banner__btn:hover {
  background-color: var(--color-primary-dark);
}

/* ─── Add Minor Card — dashed empty state ─────────────────────────────────── */

.add-minor-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-6);
  border: 2px dashed var(--color-input-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast),
              transform var(--transition-fast);
  min-height: 180px;
  box-shadow: none;
}

.add-minor-card:hover {
  border-color: var(--color-primary-light);
  background-color: rgba(30, 64, 175, 0.02);
  transform: translateY(-2px);
}

.add-minor-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: rgba(30, 64, 175, 0.08);
  color: var(--color-primary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.add-minor-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.add-minor-card__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.add-minor-card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.add-minor-card__btn {
  display: none; /* Action handled by card click delegation */
}

.add-minor-card--gate {
  opacity: 0.7;
}

/* ─── Minor Card — improved hover and layout ──────────────────────────────── */

.minor-card {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.minor-card__avatar {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  box-shadow: 0 2px 6px rgba(30, 64, 175, 0.2);
}

/* ─── Minor Card — supervision badge (L/M/F) ──────────────────────────────── */

/* ─── Minor Card — action buttons ──────────────────────────────────────────── */

.minor-card__btn {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.minor-card__btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.minor-card__btn--primary:hover {
  background-color: var(--color-primary-dark);
}

.minor-card__btn--secondary {
  background-color: transparent;
  color: var(--color-text-secondary);
}

.minor-card__btn--secondary:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.minor-card__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
  margin-left: auto;
}

.minor-card__badge--light {
  background-color: rgba(34, 197, 94, 0.12);
  color: #16a34a;
}

.minor-card__badge--medium {
  background-color: rgba(234, 179, 8, 0.12);
  color: #a16207;
}

.minor-card__badge--full {
  background-color: rgba(239, 68, 68, 0.12);
  color: #dc2626;
}

/* ─── Minor Detail Page — section styling ─────────────────────────────────── */

.minor-detail__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  margin-bottom: var(--space-2);
}

.minor-detail__back {
  flex-shrink: 0;
}

.minor-detail__profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-6);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-4);
}

.minor-detail__avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-text-inverse);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
  box-shadow: 0 3px 12px rgba(30, 64, 175, 0.2);
}

.minor-detail__name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
}

.minor-detail__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-2);
}

.minor-detail__member-since,
.minor-detail__tutors {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.minor-detail__quick-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

.minor-detail__section {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}

.minor-detail__section-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.minor-detail__section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.minor-detail__section-header .minor-detail__section-title {
  margin-bottom: 0;
}

.minor-detail__section-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.minor-detail__about-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.minor-detail__about-form textarea.form-input {
  resize: vertical;
  min-height: 80px;
  border-radius: var(--radius-md);
}

.minor-detail__loading,
.minor-detail__error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-16) 0;
  text-align: center;
}

.minor-detail__empty {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-align: center;
  padding: var(--space-4);
}

/* ─── Minor Detail — Memories Panel ───────────────────────────────────────── */

.minor-detail__memories-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.minor-detail__memory-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.minor-detail__memory-item:hover {
  background-color: var(--color-bg);
}

.minor-detail__memory-icon {
  font-size: var(--font-size-md);
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}

.minor-detail__memory-content {
  flex: 1;
  min-width: 0;
}

.minor-detail__memory-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  line-height: var(--line-height-normal);
}

/* ─── Minor Detail — Alert/Report items ───────────────────────────────────── */

.minor-detail__alerts-list,
.minor-detail__reports-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.alert-status {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
}

.alert-status--unreviewed {
  color: var(--color-alert-high-text);
  background-color: var(--color-alert-high-bg);
}

.alert-status--reviewed {
  color: #166534;
  background-color: rgba(34, 197, 94, 0.1);
}

.minor-detail__alert-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 var(--space-1);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  margin-left: var(--space-2);
}

.badge--danger {
  background-color: var(--color-alert-high);
  color: var(--color-text-inverse);
}

.report-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-input-border);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

.report-item:hover {
  background-color: var(--color-bg-secondary);
}

.report-item__header {
  flex: 1;
}

.report-item__week {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
}

.report-item__stats {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.report-item__btn {
  flex-shrink: 0;
}

/* ─── Minor Detail — Usage Table ──────────────────────────────────────────── */

.minor-detail__usage-table {
  font-size: var(--font-size-sm);
}

/* ─── Onboarding — Supervision Level Cards ────────────────────────────────── */

.supervision-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.supervision-card {
  position: relative;
  padding: var(--space-5);
  border: 2px solid var(--color-input-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
              transform var(--transition-fast);
  background-color: var(--color-surface);
}

.supervision-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.supervision-card--selected {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.12), var(--shadow-md);
  background-color: rgba(30, 64, 175, 0.02);
}

.supervision-card--recommended {
  border-color: var(--color-primary-light);
}

.supervision-card--locked {
  opacity: 0.5;
  cursor: not-allowed;
}

.supervision-card--locked:hover {
  transform: none;
  box-shadow: none;
}

.supervision-section-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin-top: var(--space-3);
  margin-bottom: var(--space-2);
}

.supervision-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.supervision-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

.supervision-feature__icon {
  flex-shrink: 0;
  width: 16px;
  text-align: center;
  font-weight: var(--font-weight-bold);
}

.supervision-feature--can .supervision-feature__icon {
  color: var(--color-success);
}

.supervision-feature--cannot .supervision-feature__icon {
  color: var(--color-text-muted);
}

/* ─── Onboarding — Invitation/QR Step ─────────────────────────────────────── */

.onboarding-form textarea.form-input {
  resize: vertical;
  min-height: 80px;
}

/* ─── Forgot Modal — card improvements ────────────────────────────────────── */

.forgot-modal__content.card {
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* ─── Plan Card improvements ──────────────────────────────────────────────── */

.plan-card {
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
}

/* ─── Sidebar polish ──────────────────────────────────────────────────────── */

.sidebar__logo {
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.01em;
}

/* ─── Remember-me and inline form elements (minor login) ──────────────────── */

.form-group-inline {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.remember-me-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
}

.remember-checkbox {
  accent-color: var(--color-primary);
}