@use '../styles/variables' as tokens;
@use '../styles/functions' as func;

@layer components {
  :host {
    display: block;
    width: 100%;
  }

  .vi-card {
    display: flex;
    flex-direction: column;
    position: relative;
    box-sizing: border-box;
    width: 100%;

    background-color: var(--vi-card-bg, #{tokens.$layer-01});
    border: #{tokens.$border-width-thin} solid var(--vi-card-border-color, #{tokens.$border-02});
    border-radius: var(--vi-card-border-radius, #{tokens.$border-radius-lg});
    color: var(--vi-card-color, #{tokens.$text-primary});
    // Refined premium transitions
    transition: box-shadow 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), 
                border-color 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), 
                transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    
    // Subtle glassy inner highlight for 3D machined edge + faint ambient shadow
    box-shadow: var(--vi-card-shadow, #{tokens.$shadow-sm}, #{tokens.$shadow-inner-light});
    
    // Default padding (can be overridden by size classes)
    --vi-card-padding: #{func.to-rem(24px)};
  }

  /* Size Overrides */
  .vi-card--size-sm { --vi-card-padding: #{func.to-rem(12px)}; }
  .vi-card--size-md { --vi-card-padding: #{func.to-rem(16px)}; }
  .vi-card--size-lg { --vi-card-padding: #{func.to-rem(24px)}; }

  .vi-card--hoverable:hover {
    // Multi-layered diffuse shadow + maintaining the inner inset highlight
    box-shadow: var(--vi-card-hover-shadow, #{tokens.$shadow-md}, #{tokens.$shadow-inner-light});
    border-color: var(--vi-card-hover-border-color, #{tokens.$border-03});
    // Physical lift micro-interaction
    transform: translateY(-2px);
    cursor: pointer;
  }
  
  // Subtle tactile press effect
  .vi-card--hoverable:active {
    transform: translateY(0) scale(0.995);
    box-shadow: var(--vi-card-active-shadow, #{tokens.$shadow-sm}, #{tokens.$shadow-inner-light});
  }

  /* Structural Slots */
  
  .vi-card-cover {
    display: flex;
    overflow: hidden;
    border-top-left-radius: var(--vi-card-border-radius, #{tokens.$border-radius-lg});
    border-top-right-radius: var(--vi-card-border-radius, #{tokens.$border-radius-lg});
    margin-top: -1px;
    margin-left: -1px;
    margin-right: -1px;

    ::slotted(*) {
      width: 100%;
      display: block;
      object-fit: cover;
    }
  }
  .vi-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--vi-card-padding);
    border-bottom: #{tokens.$border-width-thin} solid transparent;
  }

  .vi-card--bordered .vi-card-header {
    border-bottom-color: var(--vi-card-border-color, #{tokens.$border-02});
  }

  .vi-card-title {
    margin: 0;
    font-family: #{tokens.$font-family-base};
    font-weight: #{tokens.$font-weight-semibold};
    /* Premium tracking for dense, modern typography */
    letter-spacing: -0.01em;
    
    /* Fluid typography fallback using vw instead of cqi */
    font-size: var(--vi-card-title-font-size, clamp(#{func.to-rem(16px)}, #{func.to-rem(14px)} + 1vw, #{func.to-rem(20px)}));
    line-height: #{tokens.$line-height-tight};
    color: var(--vi-card-title-color, #{tokens.$text-primary});
  }

  .vi-card-extra {
    display: flex;
    align-items: center;
    gap: #{func.to-rem(8px)};
  }

  .vi-card-body {
    padding: var(--vi-card-padding);
    flex: 1 1 auto;
    font-size: var(--vi-card-body-font-size, #{tokens.$font-size-base});
    line-height: #{tokens.$line-height-normal};
    color: var(--vi-card-body-color, #{tokens.$text-secondary});
  }

  .vi-card-footer {
    display: flex;
    align-items: center;
    padding: var(--vi-card-padding);
    border-top: #{tokens.$border-width-thin} solid transparent;
  }

  .vi-card--bordered .vi-card-footer {
    border-top-color: var(--vi-card-border-color, #{tokens.$border-02});
  }

  .vi-card-actions {
    display: flex;
    // Visually anchor actions with faint background
    background: var(--vi-card-actions-bg, #{tokens.$layer-dimmed});
    border-top: #{tokens.$border-width-thin} solid transparent;
  }

  .vi-card--bordered .vi-card-actions {
    border-top-color: var(--vi-card-border-color, #{tokens.$border-02});
  }

  .vi-card-actions ::slotted(*) {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: #{func.to-rem(12px)} 0;
    margin: 0;
    border-right: #{tokens.$border-width-thin} solid transparent;
    color: var(--vi-card-action-color, #{tokens.$text-secondary});
    transition: color 0.3s ease;
    cursor: pointer;
  }

  .vi-card--bordered .vi-card-actions ::slotted(*) {
    border-right-color: var(--vi-card-border-color, #{tokens.$border-02});
  }

  .vi-card-actions ::slotted(*:hover) {
    color: var(--vi-card-action-hover-color, #{tokens.$text-primary});
  }

  .vi-card-actions ::slotted(*:last-child) {
    border-right: none;
  }


  .vi-card-skeleton {
    display: flex;
    gap: #{func.to-rem(16px)};
    width: 100%;
  }

  .vi-card-skeleton-content {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    gap: #{func.to-rem(16px)};
  }

  .vi-card-skeleton-title {
    width: 38%;
    margin-top: #{func.to-rem(8px)};
    margin-bottom: #{func.to-rem(4px)};
  }

  .vi-card-skeleton-short {
    width: 61%;
  }

}