/**
 * Responsive Styles
 *
 * Breakpoints:
 * - Mobile: 320px - 767px (1 column)
 * - Tablet: 768px - 1023px (2 columns)
 * - Desktop: 1024px+ (3-4 columns)
 */

/* ===== Desktop Large (1280px+) ===== */
@media (min-width: 1280px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== Desktop (1024px - 1279px) ===== */
@media (min-width: 1024px) and (max-width: 1279px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .work-detail-title {
    font-size: var(--font-size-3xl);
  }
}

/* ===== Tablet (768px - 1023px) ===== */
@media (min-width: 768px) and (max-width: 1023px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .section-description {
    font-size: var(--font-size-base);
  }

  /* Work Detail - Stack columns on tablet */
  .work-detail {
    flex-direction: column;
    gap: var(--spacing-lg);
  }

  .work-images,
  .work-content {
    flex: 0 0 100%;
    max-width: 100%;
    width: 100%;
  }

  .work-detail-title {
    font-size: var(--font-size-3xl);
  }

  .work-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

/* ===== Mobile (320px - 767px) ===== */
@media (max-width: 767px) {
  /* Typography adjustments */
  :root {
    --font-size-4xl: 1.875rem;  /* 30px */
    --font-size-3xl: 1.5rem;    /* 24px */
    --font-size-2xl: 1.25rem;   /* 20px */
  }

  /* Container padding */
  .container {
    padding: 0 var(--spacing-sm);
  }

  /* Header - Compact mobile header */
  .header {
    padding: var(--spacing-sm) 0;
  }

  .header .container {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }

  .site-title {
    font-size: var(--font-size-xl);
    margin-bottom: 0;
  }

  .subtitle {
    font-size: var(--font-size-xs);
    margin-bottom: var(--spacing-xs);
  }

  .nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
  }

  .nav a {
    padding: var(--spacing-xs);
    font-size: var(--font-size-sm);
    text-align: center;
  }

  /* Main content spacing */
  .main {
    padding: var(--spacing-lg) 0;
  }

  /* Gallery intro */
  .gallery-intro {
    margin-bottom: var(--spacing-lg);
  }

  .section-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
  }

  .section-description {
    font-size: var(--font-size-base);
  }

  /* Gallery grid - Single column on mobile */
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  /* Work card */
  .work-title {
    font-size: var(--font-size-lg);
  }

  .work-info {
    padding: var(--spacing-sm);
  }

  /* Loading/Empty states */
  .loading-state,
  .empty-state {
    padding: var(--spacing-lg);
  }

  .loader {
    width: 40px;
    height: 40px;
  }

  .empty-icon,
  .error-icon {
    width: 60px;
    height: 60px;
  }

  /* Work Detail - Stack layout */
  .work-detail {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .work-images,
  .work-content {
    flex: 0 0 100%;
    max-width: 100%;
    width: 100%;
  }

  .work-detail-title {
    font-size: var(--font-size-2xl);
  }

  .work-detail-meta {
    padding: var(--spacing-sm);
  }

  .meta-item {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .meta-label {
    min-width: auto;
  }

  .description-title {
    font-size: var(--font-size-xl);
  }

  .work-description p {
    font-size: var(--font-size-base);
  }

  /* Thumbnails - Smaller on mobile */
  .work-thumbnail {
    width: 60px;
    height: 60px;
  }

  /* Actions - Full width buttons */
  .work-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .work-certificate-info {
    padding: var(--spacing-sm);
    font-size: var(--font-size-xs);
  }

  /* Footer */
  .footer {
    padding: var(--spacing-md) 0;
  }

  .footer p {
    font-size: var(--font-size-xs);
  }

  /* Back link */
  .back-link {
    margin-bottom: var(--spacing-md);
  }
}

/* ===== Extra Small Mobile (320px - 374px) ===== */
@media (max-width: 374px) {
  :root {
    --font-size-4xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.25rem;   /* 20px */
    --font-size-2xl: 1.125rem;  /* 18px */
  }

  .gallery-grid {
    gap: var(--spacing-sm);
  }

  .work-info {
    padding: var(--spacing-xs);
  }

  .work-title {
    font-size: var(--font-size-base);
  }

  .work-year,
  .work-meta {
    font-size: var(--font-size-xs);
  }
}

/* ===== Print Styles ===== */
@media print {
  .header,
  .nav,
  .footer,
  .back-link,
  .work-actions,
  .loading-state,
  .empty-state,
  .error-state {
    display: none;
  }

  .work-detail {
    flex-direction: column;
  }

  .work-images,
  .work-content {
    flex: 0 0 100%;
    max-width: 100%;
    width: 100%;
  }

  .work-image-main-wrapper {
    max-width: 100%;
    page-break-inside: avoid;
  }

  .work-content {
    page-break-inside: avoid;
  }

  body {
    background-color: #fff;
  }
}

/* ===== Accessibility - Reduce Motion ===== */
@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;
  }
}

/* ===== High Contrast Mode ===== */
@media (prefers-contrast: high) {
  :root {
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F0F0F0;
    --color-text-primary: #000000;
    --color-wood-dark: #000000;
    --color-border: #000000;
  }

  .work-card,
  .work-detail-meta,
  .work-certificate-info {
    border: 2px solid var(--color-border);
  }

  .btn {
    border: 2px solid currentColor;
  }
}

/* ===== Dark Mode (Future Enhancement) ===== */
@media (prefers-color-scheme: dark) {
  /* Note: Dark mode not in MVP 1 scope, but prepared for future */
  /* Uncomment when implementing dark mode in MVP 2/3 */
  /*
  :root {
    --color-bg-primary: #1A1A1A;
    --color-bg-secondary: #2C2C2C;
    --color-text-primary: #E0E0E0;
    --color-text-secondary: #B0B0B0;
  }
  */
}