/* The Continuum - Dark Mode Design System */
/* Inspired by caf-expo.vercel.app aesthetic */

:root {
  /* Colors - Dark Mode First */
  --color-bg: #000000;
  --color-text: #ffffff;
  --color-text-secondary: #a1a1a1;
  --color-border: #333333;
  --color-border-hover: #555555;
  --color-accent: #ffffff;
  --color-accent-dim: #666666;

  /* Typography - Monospace */
  --font-family: 'JetBrains Mono', 'Monaco', 'Courier New', 'Courier', monospace;
  --font-size-base: 14px;
  --font-size-sm: 12px;
  --font-size-lg: 16px;
  --font-size-xl: 24px;
  --font-size-2xl: 32px;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Layout */
  --max-width: 1400px;
  --grid-gap: 2rem;
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

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

a {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  transition: border-color 0.2s;
}

a:hover {
  border-color: var(--color-text);
}

/* Layout - Handled by shared/_public_layout.html.erb */

/* Container */
.continuum-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--spacing-lg);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

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

.section-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.page-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.comparison-header {
  text-align: center;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.comparison-counter {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--color-border);
  margin-top: var(--spacing-md);
}

.comparison-help-text {
  font-size: 0.85rem;
  text-align: center;
}

.comparison-action {
  text-align: center;
}

.empty-state {
  text-align: center;
  color: var(--color-text-secondary);
  padding: 4rem;
}

.button-group {
  margin-top: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.section-divider {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

.description-text {
  margin-top: var(--spacing-md);
  max-width: 800px;
}

.meta-info {
  color: var(--color-text-secondary);
  margin: var(--spacing-sm) 0;
}

.stats-grid-spacing {
  margin-top: var(--spacing-lg);
}

.section-spacing {
  margin-bottom: var(--spacing-xl);
}

.action-spacing {
  margin-top: var(--spacing-lg);
}

.personal-grid {
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.status-text-size {
  font-size: var(--font-size-base);
  text-transform: uppercase;
}

.small-text {
  font-size: var(--font-size-sm);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mt-xs {
  margin-top: var(--spacing-xs);
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.my-md {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

/* Homepage Hero */
.hero {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
}

.hero h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-sm);
}

.hero p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto;
}

/* Exhibition Grid */
.exhibition-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--grid-gap);
  margin-bottom: var(--spacing-xl);
}

.exhibition-card {
  border: 1px solid var(--color-border);
  padding: var(--spacing-md);
  transition: border-color 0.2s;
  cursor: pointer;
}

.exhibition-card:hover {
  border-color: var(--color-border-hover);
}

.exhibition-card h3 {
  margin-bottom: var(--spacing-xs);
}

.exhibition-meta {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
}

.exhibition-status {
  display: inline-block;
  padding: var(--spacing-xs);
  border: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  margin-top: var(--spacing-sm);
}

.exhibition-status.active {
  border-color: var(--color-text);
  color: var(--color-text);
}

/* Artwork Grid */
.artwork-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--grid-gap);
  margin-bottom: var(--spacing-xl);
}

.artwork-card {
  border: 1px solid var(--color-border);
}

.artwork-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: contain;
  background: #0a0a0a;
  border-bottom: 1px solid var(--color-border);
  display: block;
}

.artwork-info {
  padding: var(--spacing-md);
}

.artwork-info h3 {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-xs);
}

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

.artwork-rank {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  margin-top: var(--spacing-xs);
}

/* Comparison Interface */
.comparison-container {
  width: calc(100% + (2 * var(--spacing-lg)));
  min-height: 80vh;
  margin-left: calc(-1 * var(--spacing-lg));
  margin-right: calc(-1 * var(--spacing-lg));
  padding: 0;
  max-width: none;
}

.comparison-container form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

.comparison-artwork {
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  background: transparent;
  padding: 0;
  min-height: 80vh;
  width: 100%;
  overflow: hidden;
}

.comparison-artwork:hover {
  opacity: 0.9;
}

.comparison-image {
  width: 100%;
  height: auto;
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  background: #0a0a0a;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--grid-gap);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm);
  background: transparent;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: var(--font-size-xl);
  font-weight: 400;
  color: var(--color-text);
}

/* Tables */
.continuum-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-xl);
}

.continuum-table th,
.continuum-table td {
  padding: var(--spacing-sm);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.continuum-table th {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.continuum-table tr:hover {
  background: #0a0a0a;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn-primary {
  border-color: var(--color-text);
  color: var(--color-text);
  background: transparent;
}

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

.btn-block {
  width: 100%;
  text-align: center;
}

/* Forms */
.form-container {
  max-width: 800px;
  background: var(--color-bg);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.form-input,
.form-select,
.form-textarea,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="file"],
select,
textarea {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-text);
}

/* File input specific styling */
input[type="file"] {
  padding: var(--spacing-sm) 0;
}

input[type="file"]::file-selector-button {
  padding: var(--spacing-sm);
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  cursor: pointer;
  margin-right: var(--spacing-sm);
}

input[type="file"]::file-selector-button:hover {
  border-color: var(--color-text);
}

/* Select dropdown arrow */
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-sm) center;
  padding-right: calc(var(--spacing-sm) * 3);
}

/* Textarea specific */
textarea {
  resize: vertical;
  min-height: 100px;
}

/* Alerts */
.alert {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
}

.alert span:first-child {
  font-size: var(--font-size-lg);
}

.alert-dismiss {
  margin-left: auto;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: var(--font-size-xl);
  line-height: 1;
}

.alert-dismiss:hover {
  opacity: 0.7;
}

.alert-success {
  border-color: var(--color-text);
  background: #0a0a0a;
  color: var(--color-text);
}

.alert-error {
  border-color: #cc0000;
  color: #cc0000;
}

.alert-warning {
  border-color: #ff9800;
  color: #ff9800;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: var(--spacing-md);
}

.modal-overlay.hidden {
  display: none;
}

.modal-content {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 100%;
  position: relative;
}

.modal-header {
  margin-bottom: var(--spacing-lg);
}

.modal-header h2 {
  margin: 0;
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.modal-body {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

.modal-actions .btn {
  min-width: 100px;
}

.btn-danger {
  background: transparent;
  color: #cc0000;
  border-color: #cc0000;
}

.btn-danger:hover {
  background: #cc0000;
  color: var(--color-bg);
}

.inline-form {
  display: inline;
  margin: 0;
}

.text-danger {
  color: #cc0000;
  margin-top: var(--spacing-sm);
  font-weight: 500;
}

/* Admin Styles */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.admin-nav {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-sm);
}

.admin-nav a {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  border-bottom: 1px solid transparent;
  padding-bottom: var(--spacing-xs);
}

.admin-nav a:hover,
.admin-nav a.active {
  border-bottom-color: var(--color-text);
}

/* Responsive */
@media (max-width: 768px) {
  .continuum-banner {
    padding: var(--spacing-md);
  }

  .continuum-banner a {
    font-size: var(--font-size-lg);
  }

  .exhibition-grid,
  .artwork-grid {
    grid-template-columns: 1fr;
  }

  /* Comparison page: stack images vertically on mobile */
  .comparison-container {
    margin-left: 0;
    margin-right: 0;
    width: 100%;
  }

  .comparison-container form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .comparison-artwork {
    min-height: 40vh;
    width: 100%;
  }

  .comparison-image {
    height: auto;
    max-height: 40vh;
  }

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

/* Authentication Pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.auth-card {
  width: 100%;
  max-width: 500px;
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  background: var(--color-bg);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.auth-header h1 {
  margin-bottom: 0;
}

.auth-links {
  text-align: center;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.auth-links a {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
}

/* Preferences Page */
.selection-counter-wrapper {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.selection-counter {
  display: inline-block;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  font-size: var(--font-size-lg);
}

.artwork-selectable {
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}

.artwork-checkbox {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.artwork-checkbox:checked + .artwork-image {
  border: 2px solid var(--color-text);
}

.artwork-card:has(.artwork-checkbox:checked) {
  border-color: var(--color-text) !important;
  transform: scale(0.98);
}

.artwork-card:has(.artwork-checkbox:checked) .selection-badge {
  display: flex !important;
}

.selection-badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: var(--color-text);
  color: var(--color-bg);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.preferences-actions {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

/* ============================================================================
   MASONRY GRID - Public Exhibition Media Gallery
   ============================================================================ */

.exhibition-media-page {
  padding: var(--spacing-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.masonry-grid {
  column-count: 3;
  column-gap: var(--grid-gap);
  margin-top: var(--spacing-xl);
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: var(--grid-gap);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.masonry-image {
  width: 100%;
  height: auto;
  display: block;
}

.masonry-item-caption {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.caption-text {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
}

.caption-photographer {
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Responsive Masonry Grid */
@media (max-width: 1024px) {
  .masonry-grid {
    column-count: 2;
  }
}

@media (max-width: 768px) {
  .masonry-grid {
    column-count: 1;
  }
}

/* ============================================================================
   ADMIN MEDIA MANAGEMENT
   ============================================================================ */

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--grid-gap);
  margin-top: var(--spacing-xl);
}

.media-card {
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
}

.media-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

.media-info {
  padding: var(--spacing-md);
  flex: 1;
  border-top: 1px solid var(--color-border);
}

.media-caption {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
}

.media-photographer,
.media-position {
  font-size: var(--font-size-sm);
  margin: var(--spacing-xs) 0;
}

.media-actions {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--spacing-sm);
}

.form-preview-image {
  max-width: 400px;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
  margin-bottom: var(--spacing-sm);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}