@use '../globals';
@use '../variables' as *;

.projects-section {
  background: var(--projects-background);

  &__container {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;

    @include globals.desktop-only {
      padding: 0 1.5rem;
    }
  }

  &__header {
    text-align: center;
    margin-bottom: 4rem;
  }

  &__title {
    font-size: 1.875rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--color-text);

    @include globals.desktop-only {
      font-size: 2.25rem;
    }
  }

  &__subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    max-width: 48rem;
    margin: 0 auto;
  }

  &__grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;

    @include globals.mobile-only {
      grid-template-columns: repeat(2, 1fr);
    }

    @include globals.desktop-only {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  &__card {
    background: var(--projects-card-background);
    border-radius: $card-border-radius-md;
    box-shadow: var(--projects-card-shadow);
    overflow: hidden;
    transition: $transition-base;
    border: 1px solid var(--projects-card-border);

    &:hover {
      transform: translateY(-0.25rem);
      box-shadow: var(--projects-card-shadow-hover);

      .projects-section__image {
        transform: scale(1.05);
      }

      .projects-section__overlay {
        opacity: 1;
      }

      .projects-section__actions {
        opacity: 1;
        transform: translateY(0);
        pointer-events: all;
      }
    }

    &:focus {
      outline: 3px solid var(--color-focus-ring, #2563eb);
      outline-offset: 2px;
      transform: translateY(-2px);

      .projects-section__overlay {
        opacity: 1;
      }

      .projects-section__actions {
        opacity: 1;
        transform: translateY(0);
        pointer-events: all;
      }
    }

    &--active {
      transform: translateY(-4px);
      box-shadow: var(--projects-card-shadow-hover);
      border-color: var(--color-focus-ring, #2563eb);
      border-width: 2px;

      .projects-section__overlay {
        opacity: 1;
      }

      .projects-section__actions {
        opacity: 1;
        transform: translateY(0);
        pointer-events: all;
      }
    }

    &:focus-within {
      .projects-section__overlay {
        opacity: 1;
      }

      .projects-section__actions {
        opacity: 1;
        transform: translateY(0);
        pointer-events: all;
      }
    }
  }

  &__image-container {
    position: relative;
    overflow: hidden;
    height: 12rem;
  }

  &__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }

  &__overlay {
    position: absolute;
    inset: 0;
    background: var(--projects-overlay-background);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5; // Ensure overlay is above image but below actions
    border-radius: 0; // Ensure overlay covers entire image area
  }

  &__actions {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translateY(10px);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    display: flex;
    gap: 1rem;
    z-index: 10; // Above overlay
    padding: 1rem;
    border-radius: 8px;
    // Add subtle background to make buttons more visible
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);

    &--visible {
      opacity: 1;
      transform: translate(-50%, -50%) translateY(0);
      pointer-events: all;
    }
  }

  &__action-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    min-width: 120px; // Ensure consistent button sizes
    justify-content: center; // Center content within button

    &--primary {
      background: var(--projects-button-primary-bg);
      color: var(--projects-button-primary-text);
      border-color: var(--projects-button-primary-border);

      &:hover {
        background: var(--projects-button-primary-hover-bg);
        transform: translateY(-1px);
      }
    }

    &--secondary {
      background: var(--projects-button-secondary-bg);
      color: var(--projects-button-secondary-text);
      border-color: var(--projects-button-secondary-border);

      &:hover {
        background: var(--projects-button-secondary-hover-bg);
        transform: translateY(-1px);
      }
    }

    &:focus {
      outline: 2px solid var(--color-focus-ring, #2563eb);
      outline-offset: 2px;
      z-index: 10;
      transform: scale(1.05);
      // Ensure overlay stays visible when button is focused
      position: relative;
    }
  }

  &__action-icon {
    width: 1rem;
    height: 1rem;
  }

  &__content {
    padding: $card-padding-lg;
  }

  &__header-content {
    margin-bottom: 1.5rem;
  }

  &__card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    line-height: 1.4;
  }

  &__card-description {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.5;
  }

  &__technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  &__tech-badge {
    display: inline-block;
    background: var(--projects-tech-badge-bg);
    color: var(--projects-tech-badge-text);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--projects-tech-badge-border);
  }

  &__help {
    margin-top: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
  }

  &__help-details {
    display: inline-block;
    background: var(--projects-card-background);
    border: 1px solid var(--projects-card-border);
    border-radius: 8px;
    padding: 1rem;
    max-width: 400px;
  }

  &__help-summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--projects-button-secondary-text);
    list-style: none; // Remove default marker

    &::-webkit-details-marker {
      display: none; // Remove default marker in webkit browsers
    }

    &::marker {
      display: none; // Remove default marker in other browsers
    }

    &:focus {
      outline: 2px solid var(--color-focus-ring, #2563eb);
      outline-offset: 2px;
      border-radius: 4px;
    }

    &::after {
      content: ' ▼';
      font-size: 0.75rem;
      margin-left: 0.5rem;
      transition: transform 0.2s ease;
    }
  }

  &__help-details[open] &__help-summary::after {
    transform: rotate(180deg);
  }

  &__help-content {
    margin-top: 1rem;
    text-align: left;

    ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    li {
      margin-bottom: 0.5rem;
      color: var(--projects-button-secondary-text);
      font-size: 0.875rem;
      line-height: 1.4;
    }

    kbd {
      background: var(--projects-tech-badge-bg);
      color: var(--projects-tech-badge-text);
      padding: 0.2rem 0.4rem;
      border-radius: 4px;
      font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
      font-size: 0.75rem;
      border: 1px solid var(--projects-tech-badge-border);
      margin-right: 0.25rem;
      font-weight: 600;
    }
  }

  // Responsive adjustments
  @include globals.mobile-only {
    &__card {
      border-radius: $card-border-radius-sm;
    }

    &__content {
      padding: $card-padding-md;
    }

    &__image-container {
      height: 10rem;
    }

    &__actions {
      flex-direction: column;
      gap: 0.75rem;
      padding: 1rem;

      // Adjust transform for mobile
      transform: translate(-50%, -50%) translateY(15px);

      &--visible {
        transform: translate(-50%, -50%) translateY(0);
      }
    }

    &__action-button {
      min-width: 140px; // Slightly wider on mobile for touch targets
      padding: 0.75rem 1rem;
    }

    &__help-details {
      max-width: 90%;
      padding: 0.75rem;
    }

    &__help-content {
      li {
        font-size: 0.8rem;
      }

      kbd {
        font-size: 0.7rem;
        padding: 0.15rem 0.3rem;
      }
    }
  }
}

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

// Card states
.projects-section__card {
  transition: all 0.3s ease;
  cursor: pointer;

  &:focus {
    outline: 3px solid var(--color-focus-ring, #2563eb);
    outline-offset: 2px;
    transform: translateY(-2px);
  }

  &--active {
    transform: translateY(-4px);
    box-shadow: var(--projects-card-shadow-hover);
    border-color: var(--color-focus-ring, #2563eb);
    border-width: 2px;

    .projects-section__actions {
      opacity: 1;
      transform: translateY(0);
      pointer-events: all;
    }
  }
}

// Action buttons visibility
.projects-section__actions {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translateY(10px);
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  display: flex;
  gap: 1rem;
  z-index: 10; // Above overlay

  &--visible {
    opacity: 1;
    transform: translate(-50%, -50%) translateY(0);
    pointer-events: all;
  }
}

// Override for when actions are shown (hover, focus, active)
.projects-section__card {
  &:hover,
  &:focus,
  &--active,
  &:focus-within {
    .projects-section__actions {
      opacity: 1;
      transform: translate(-50%, -50%) translateY(0);
      pointer-events: all;
    }
  }
}

// High contrast mode
@media (prefers-contrast: high) {
  .projects-section__card {
    &:focus,
    &--active {
      outline: 4px solid currentColor !important;
      background: var(--projects-card-background) !important;
    }
  }

  .projects-section__action-button {
    border: 2px solid currentColor !important;
    background: var(--projects-card-background) !important;

    &:focus {
      outline: 3px solid currentColor !important;
      background: var(--color-focus-ring, #2563eb) !important;
      color: white !important;
    }
  }

  .projects-section {
    &__overlay {
      background: rgba(
        0,
        0,
        0,
        0.8
      ) !important; // Stronger overlay for high contrast
    }

    &__actions {
      background: var(--projects-card-background) !important;
      border: 2px solid currentColor !important;
      backdrop-filter: none !important;
    }

    &__help-details {
      border: 2px solid currentColor !important;
    }

    &__help-summary {
      border: 1px solid transparent;

      &:focus {
        border-color: currentColor !important;
        outline: 3px solid currentColor !important;
      }
    }

    kbd {
      border: 1px solid currentColor !important;
      background: transparent !important;
    }
  }
}

// Dark theme adjustments for help section:
@media (prefers-color-scheme: dark) {
  .projects-section {
    &__actions {
      background: rgba(0, 0, 0, 0.2);
      backdrop-filter: blur(8px);
    }
  }

  @include globals.mobile-only {
    .projects-section {
      &__actions {
        background: rgba(0, 0, 0, 0.3);
      }
    }
  }
}

// Reduced motion updates to include help section:
@media (prefers-reduced-motion: reduce) {
  .projects-section {
    &__help-summary::after {
      transition: none !important;
    }

    &__actions {
      transition: none !important;
      backdrop-filter: none !important; // Remove blur effect for reduced motion

      &--visible {
        transform: translate(-50%, -50%) translateY(0) !important;
      }
    }

    &__card {
      &:hover,
      &:focus,
      &--active,
      &:focus-within {
        .projects-section__actions {
          transform: translate(-50%, -50%) translateY(0) !important;
        }
      }
    }
  }
}

// Focus ring color custom property
:root {
  --color-focus-ring: #2563eb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-focus-ring: #60a5fa;
  }
}