/**
 * Dashboard Cards Component System
 * Card-based dashboard layout for Johnsen AI apps
 *
 * This component provides a consistent card-based UI pattern for:
 * - KPI/stat cards
 * - Action cards (primary actions)
 * - Entry/log cards
 * - Summary cards with charts/visualizations
 *
 * @version 1.0.0
 */

/* ========================================
   Dashboard Layout Container
   ======================================== */

.dashboard {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg, 1.5rem);
  padding: var(--spacing-md, 1rem);
  max-width: 1200px;
  margin: 0 auto;
  min-height: calc(100vh - var(--header-height, 64px) - var(--spacing-xl, 2rem));
}

/* Responsive grid for dashboard cards */
.dashboard-grid {
  display: grid;
  gap: var(--spacing-md, 1rem);
  grid-template-columns: 1fr;
}

/* 2 columns on tablet */
@media (min-width: 640px) {
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 3-4 columns on desktop */
@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .dashboard-grid--2-col {
    grid-template-columns: repeat(2, 1fr);
  }

  .dashboard-grid--3-col {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Full-width cards that span the grid */
.dashboard-grid .card--full-width {
  grid-column: 1 / -1;
}

/* ========================================
   Base Card Component
   ======================================== */

.dashboard-card {
  background: var(--card-bg, #ffffff);
  border-radius: var(--border-radius-lg, 12px);
  box-shadow: 0 2px 8px var(--card-shadow, rgba(0, 0, 0, 0.08));
  border: 1px solid var(--card-border, rgba(0, 0, 0, 0.06));
  overflow: hidden;
  transition: transform var(--transition-fast, 0.15s) ease,
              box-shadow var(--transition-fast, 0.15s) ease;
  display: flex;
  flex-direction: column;
}

.dashboard-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--card-shadow-hover, rgba(0, 0, 0, 0.12));
}

/* Card that's clickable/interactive */
.dashboard-card--interactive {
  cursor: pointer;
}

.dashboard-card--interactive:focus-visible {
  outline: 2px solid var(--app-accent, var(--accent-color));
  outline-offset: 2px;
}

/* Disabled/inactive state */
.dashboard-card--disabled {
  opacity: 0.6;
  pointer-events: none;
}

/* ========================================
   Card Anatomy - Header
   ======================================== */

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md, 1rem) var(--spacing-lg, 1.5rem);
  border-bottom: 1px solid var(--card-border, rgba(0, 0, 0, 0.06));
}

.card-header--no-border {
  border-bottom: none;
}

.card-title {
  font-size: var(--font-size-md, 1rem);
  font-weight: 600;
  color: var(--text-primary, #333);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs, 0.5rem);
}

.card-title-icon {
  font-size: 1.25em;
  opacity: 0.9;
}

.card-subtitle {
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--text-secondary, #666);
  margin: var(--spacing-xs, 0.25rem) 0 0 0;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs, 0.5rem);
}

/* ========================================
   Card Anatomy - Body
   ======================================== */

.card-body {
  padding: var(--spacing-lg, 1.5rem);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-body--compact {
  padding: var(--spacing-md, 1rem);
}

.card-body--centered {
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* ========================================
   Card Anatomy - Footer
   ======================================== */

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm, 0.75rem) var(--spacing-lg, 1.5rem);
  border-top: 1px solid var(--card-border, rgba(0, 0, 0, 0.06));
  background: var(--bg-tertiary, rgba(0, 0, 0, 0.02));
}

.card-footer--no-bg {
  background: transparent;
}

.card-metadata {
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--text-muted, #999);
}

/* ========================================
   KPI / Stat Card
   ======================================== */

.stat-card {
  text-align: center;
  padding: var(--spacing-lg, 1.5rem);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--app-accent, var(--text-primary));
  line-height: 1.2;
  margin: 0;
}

.stat-value--large {
  font-size: 3.5rem;
}

.stat-value--small {
  font-size: 1.75rem;
}

.stat-label {
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--text-secondary, #666);
  margin-top: var(--spacing-xs, 0.5rem);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs, 0.25rem);
  font-size: var(--font-size-sm, 0.875rem);
  margin-top: var(--spacing-sm, 0.75rem);
  padding: 4px 12px;
  border-radius: 20px;
}

.stat-trend--up {
  color: #059669;
  background: rgba(5, 150, 105, 0.1);
}

.stat-trend--down {
  color: #dc2626;
  background: rgba(220, 38, 38, 0.1);
}

.stat-trend--neutral {
  color: var(--text-secondary, #666);
  background: rgba(0, 0, 0, 0.05);
}

/* ========================================
   Action Card (Primary CTA)
   ======================================== */

.action-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl, 2rem);
  text-align: center;
  min-height: 200px;
  background: linear-gradient(
    135deg,
    var(--app-accent-light, rgba(0, 0, 0, 0.02)) 0%,
    var(--card-bg, #fff) 100%
  );
  border: 2px dashed var(--app-accent, var(--border-color));
  cursor: pointer;
}

.action-card:hover {
  background: linear-gradient(
    135deg,
    var(--app-accent-light, rgba(0, 0, 0, 0.04)) 0%,
    var(--card-bg, #fff) 100%
  );
  border-style: solid;
}

.action-card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md, 1rem);
  opacity: 0.9;
}

.action-card-title {
  font-size: var(--font-size-lg, 1.125rem);
  font-weight: 600;
  color: var(--text-primary, #333);
  margin: 0 0 var(--spacing-xs, 0.5rem) 0;
}

.action-card-description {
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--text-secondary, #666);
  margin: 0;
}

/* ========================================
   Quick Action Button (within cards)
   ======================================== */

.quick-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm, 0.5rem);
  width: 100%;
  padding: var(--spacing-md, 1rem);
  background: var(--app-accent, var(--btn-primary-bg));
  color: var(--color-text-inverse, #fff);
  border: none;
  border-radius: var(--border-radius-md, 8px);
  font-size: var(--font-size-md, 1rem);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 52px;
}

.quick-action-btn:hover {
  background: var(--app-accent-dark, var(--btn-primary-hover));
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.quick-action-btn:active {
  transform: translateY(0);
}

.quick-action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.quick-action-btn:focus-visible {
  outline: 2px solid var(--app-accent, var(--accent-color));
  outline-offset: 2px;
}

.quick-action-btn--secondary {
  background: transparent;
  color: var(--app-accent, var(--text-primary));
  border: 2px solid var(--app-accent, var(--border-color));
}

.quick-action-btn--secondary:hover {
  background: var(--app-accent-light, rgba(0, 0, 0, 0.05));
}

/* ========================================
   Entry/Log Card (list items)
   ======================================== */

.entry-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md, 1rem);
  padding: var(--spacing-md, 1rem);
  background: var(--card-bg, #fff);
  border-radius: var(--border-radius-md, 8px);
  border: 1px solid var(--card-border, rgba(0, 0, 0, 0.06));
  transition: all 0.15s ease;
}

.entry-card:hover {
  background: var(--bg-tertiary, rgba(0, 0, 0, 0.02));
  border-color: var(--app-accent, var(--border-color));
}

.entry-card-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--app-accent-light, rgba(0, 0, 0, 0.05));
  border-radius: var(--border-radius-md, 8px);
  font-size: 1.5rem;
}

.entry-card-content {
  flex: 1;
  min-width: 0;
}

.entry-card-title {
  font-size: var(--font-size-md, 1rem);
  font-weight: 600;
  color: var(--text-primary, #333);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.entry-card-subtitle {
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--text-secondary, #666);
  margin: var(--spacing-xs, 0.25rem) 0 0 0;
}

.entry-card-meta {
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--text-muted, #999);
  margin-top: var(--spacing-xs, 0.25rem);
}

.entry-card-actions {
  flex-shrink: 0;
  display: flex;
  gap: var(--spacing-xs, 0.5rem);
}

/* Entry action button */
.entry-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  border-radius: var(--border-radius-sm, 6px);
  color: var(--text-secondary, #666);
  cursor: pointer;
  transition: all 0.15s ease;
}

.entry-action-btn:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-primary, #333);
}

.entry-action-btn--danger:hover {
  background: rgba(220, 38, 38, 0.1);
  color: #dc2626;
}

/* ========================================
   Entry List Container
   ======================================== */

.entry-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 0.75rem);
}

.entry-list--compact .entry-card {
  padding: var(--spacing-sm, 0.75rem);
}

.entry-list--compact .entry-card-icon {
  width: 40px;
  height: 40px;
  font-size: 1.25rem;
}

/* ========================================
   Summary Card (with visualization)
   ======================================== */

.summary-card {
  min-height: 200px;
}

.summary-card .card-body {
  padding: var(--spacing-md, 1rem);
}

/* Week view visualization */
.week-view {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--spacing-xs, 0.5rem);
  padding: var(--spacing-sm, 0.75rem) 0;
}

.week-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs, 0.5rem);
  padding: var(--spacing-sm, 0.75rem);
  border-radius: var(--border-radius-md, 8px);
  transition: background 0.15s ease;
}

.week-day--today {
  background: var(--app-accent-light, rgba(0, 0, 0, 0.05));
}

.week-day-label {
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: 500;
  color: var(--text-secondary, #666);
  text-transform: uppercase;
}

.week-day-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--card-border, rgba(0, 0, 0, 0.1));
  transition: all 0.2s ease;
}

.week-day-dot--filled {
  background: var(--app-accent, var(--accent-color));
  box-shadow: 0 2px 6px var(--app-accent, rgba(0, 0, 0, 0.2));
}

.week-day-date {
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 600;
  color: var(--text-primary, #333);
}

/* ========================================
   Rating Display
   ======================================== */

.rating-display {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 1rem;
  color: #f59e0b;
}

.rating-display--large {
  font-size: 1.5rem;
}

.rating-display--small {
  font-size: 0.875rem;
}

.rating-star--empty {
  opacity: 0.3;
}

/* Interactive rating input */
.rating-input {
  display: flex;
  gap: 4px;
}

.rating-input-star {
  font-size: 2rem;
  color: #d1d5db;
  cursor: pointer;
  transition: all 0.15s ease;
  background: none;
  border: none;
  padding: 4px;
}

.rating-input-star:hover,
.rating-input-star--active {
  color: #f59e0b;
  transform: scale(1.1);
}

/* ========================================
   Chip/Tag Selection
   ======================================== */

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm, 0.5rem);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs, 0.25rem);
  padding: 8px 16px;
  background: var(--card-bg, #fff);
  border: 1px solid var(--card-border, rgba(0, 0, 0, 0.1));
  border-radius: 20px;
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--text-primary, #333);
  cursor: pointer;
  transition: all 0.15s ease;
}

.chip:hover {
  border-color: var(--app-accent, var(--accent-color));
  background: var(--app-accent-light, rgba(0, 0, 0, 0.02));
}

.chip--selected {
  background: var(--app-accent, var(--accent-color));
  color: var(--color-text-inverse, #fff);
  border-color: var(--app-accent, var(--accent-color));
}

.chip--disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.chip-icon {
  font-size: 1em;
}

/* ========================================
   Form Card (for input forms)
   ======================================== */

.form-card .card-body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md, 1rem);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs, 0.5rem);
}

.form-field-label {
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 500;
  color: var(--text-secondary, #666);
}

.form-field-input {
  width: 100%;
  padding: var(--spacing-md, 1rem);
  border: 1px solid var(--card-border, rgba(0, 0, 0, 0.1));
  border-radius: var(--border-radius-md, 8px);
  font-size: var(--font-size-md, 1rem);
  color: var(--text-primary, #333);
  background: var(--card-bg, #fff);
  transition: all 0.15s ease;
}

.form-field-input:focus {
  outline: none;
  border-color: var(--app-accent, var(--accent-color));
  box-shadow: 0 0 0 3px var(--app-accent-light, rgba(0, 0, 0, 0.05));
}

.form-field-input::placeholder {
  color: var(--text-muted, #999);
}

/* ========================================
   Status Indicator
   ======================================== */

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs, 0.5rem);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 500;
}

.status-indicator--success {
  background: rgba(5, 150, 105, 0.1);
  color: #059669;
}

.status-indicator--warning {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
}

.status-indicator--pending {
  background: rgba(99, 102, 241, 0.1);
  color: #6366f1;
}

.status-indicator--inactive {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-secondary, #666);
}

/* ========================================
   Hero Card (featured primary card)
   ======================================== */

.hero-card {
  background: linear-gradient(
    135deg,
    var(--app-accent-light, rgba(0, 0, 0, 0.02)) 0%,
    var(--card-bg, #fff) 50%,
    var(--app-accent-light, rgba(0, 0, 0, 0.02)) 100%
  );
  border: none;
  box-shadow: 0 4px 20px var(--card-shadow, rgba(0, 0, 0, 0.1));
}

.hero-card .card-body {
  padding: var(--spacing-xl, 2rem);
  align-items: center;
  text-align: center;
}

.hero-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md, 1rem);
}

.hero-title {
  font-size: var(--font-size-2xl, 1.5rem);
  font-weight: 700;
  color: var(--text-primary, #333);
  margin: 0 0 var(--spacing-sm, 0.5rem) 0;
}

.hero-subtitle {
  font-size: var(--font-size-md, 1rem);
  color: var(--text-secondary, #666);
  margin: 0 0 var(--spacing-lg, 1.5rem) 0;
}

/* ========================================
   Skeleton Loading States
   ======================================== */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary, #f0f0f0) 25%,
    var(--bg-secondary, #e8e8e8) 50%,
    var(--bg-tertiary, #f0f0f0) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--border-radius-sm, 4px);
}

.skeleton-text {
  height: 1em;
  width: 100%;
  margin-bottom: var(--spacing-xs, 0.5rem);
}

.skeleton-text--short {
  width: 60%;
}

.skeleton-circle {
  border-radius: 50%;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ========================================
   Empty State Card
   ======================================== */

.empty-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl, 3rem) var(--spacing-lg, 1.5rem);
  text-align: center;
  min-height: 200px;
}

.empty-card-icon {
  font-size: 4rem;
  opacity: 0.5;
  margin-bottom: var(--spacing-md, 1rem);
}

.empty-card-title {
  font-size: var(--font-size-lg, 1.125rem);
  font-weight: 600;
  color: var(--text-primary, #333);
  margin: 0 0 var(--spacing-sm, 0.5rem) 0;
}

.empty-card-description {
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--text-secondary, #666);
  margin: 0;
  max-width: 300px;
}

/* ========================================
   Responsive Adjustments
   ======================================== */

@media (max-width: 639px) {
  .dashboard {
    padding: var(--spacing-sm, 0.75rem);
    gap: var(--spacing-md, 1rem);
  }

  .dashboard-card {
    border-radius: var(--border-radius-md, 8px);
  }

  .card-header,
  .card-body,
  .card-footer {
    padding-left: var(--spacing-md, 1rem);
    padding-right: var(--spacing-md, 1rem);
  }

  .stat-value {
    font-size: 2rem;
  }

  .stat-value--large {
    font-size: 2.5rem;
  }

  .hero-card .card-body {
    padding: var(--spacing-lg, 1.5rem);
  }

  .hero-icon {
    font-size: 3rem;
  }

  .hero-title {
    font-size: var(--font-size-xl, 1.25rem);
  }

  .week-day {
    padding: var(--spacing-xs, 0.5rem);
  }

  .week-day-label {
    font-size: 0.625rem;
  }
}

/* ========================================
   Dark Theme Support
   ======================================== */

[data-theme="dark"] .dashboard-card {
  background: var(--card-bg, #1e1e1e);
  border-color: var(--card-border, rgba(255, 255, 255, 0.1));
}

[data-theme="dark"] .entry-card {
  background: var(--card-bg, #1e1e1e);
  border-color: var(--card-border, rgba(255, 255, 255, 0.1));
}

[data-theme="dark"] .entry-card:hover {
  background: var(--bg-tertiary, rgba(255, 255, 255, 0.05));
}

[data-theme="dark"] .chip {
  background: var(--card-bg, #1e1e1e);
  border-color: var(--card-border, rgba(255, 255, 255, 0.15));
}

[data-theme="dark"] .form-field-input {
  background: var(--card-bg, #1e1e1e);
  border-color: var(--card-border, rgba(255, 255, 255, 0.15));
}

/* ========================================
   Reduced Motion Support
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  .dashboard-card,
  .entry-card,
  .chip,
  .quick-action-btn,
  .entry-action-btn,
  .rating-input-star {
    transition: none;
  }

  .dashboard-card:hover,
  .quick-action-btn:hover {
    transform: none;
  }

  .skeleton {
    animation: none;
    background: var(--bg-tertiary, #f0f0f0);
  }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  .dashboard-card {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }

  .quick-action-btn,
  .entry-action-btn,
  .card-actions {
    display: none;
  }
}