/* 
 * design-system.css 
 * Blueprint / HUD aesthetic overlay
 */

body.ds-body {
  background-color: var(--bg-base);
  /* Very dark base */
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
}

/* Master Grid Container */
.ds-container {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  min-height: 100vh;
  border-left: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
}

/* Header */
.ds-header {
  height: 64px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  background: var(--bg-base);
  position: sticky;
  top: 0;
  z-index: 50;
}

.ds-header-brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.ds-header-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Section Header Bar */
.ds-section-bar {
  display: grid;
  grid-template-columns: 150px 1fr 100px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.ds-section-bar > div {
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
}

.ds-section-bar > div:not(:last-child) {
  border-right: 1px solid var(--border-subtle);
}

.ds-section-bar .ds-bar-title {
  justify-content: center;
  color: var(--text-primary);
  font-weight: 500;
}

.ds-section-bar .ds-bar-year {
  justify-content: flex-end;
}

/* Blueprint Grid System */
.ds-row {
  display: grid;
  grid-template-columns: 1fr;
  border-bottom: 1px solid var(--border-subtle);
}

@media (min-width: 768px) {
  .ds-row-2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .ds-row-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .ds-row-sidebar {
    grid-template-columns: 320px 1fr;
  }
}

.ds-cell {
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
  min-height: 200px;
  display: flex;
  flex-direction: column;
}

@media (min-width: 768px) {
  .ds-cell {
    border-bottom: none;
    border-right: 1px solid var(--border-subtle);
  }

  .ds-cell:last-child {
    border-right: none;
  }
}

/* Corner Annotations inside cells */
.ds-annot {
  position: absolute;
  top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.ds-annot-tl {
  left: var(--space-4);
}

.ds-annot-tr {
  right: var(--space-4);
  text-align: right;
}

.ds-annot-bl {
  bottom: var(--space-4);
  top: auto;
  left: var(--space-4);
}

.ds-annot-br {
  bottom: var(--space-4);
  top: auto;
  right: var(--space-4);
  text-align: right;
}

.ds-annot.ds-accent {
  color: var(--accent-gold);
}

/* Cell Content Wrapping */
.ds-content {
  padding: var(--space-12) var(--space-8);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.ds-content-center {
  align-items: center;
  justify-content: center;
}

/* Typographic Displays */
.ds-type-specimen {
  font-size: 15vw;
  line-height: 0.8;
  margin: 0;
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .ds-type-specimen {
    font-size: 10vw;
  }
}

.ds-type-details {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.ds-type-scale {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.ds-type-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.ds-type-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* Color Palette Displays */
.ds-color-swatch-vertical {
  display: flex;
  flex-direction: row;
  height: 500px;
}

.ds-color-fill {
  flex: 1;
  display: flex;
  align-items: flex-end;
  padding: var(--space-4);
  position: relative;
}

.ds-color-fill span.name {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ds-color-meta {
  background: var(--bg-base);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ds-color-meta .hex {
  color: var(--text-primary);
  font-weight: bold;
}

/* Specifically for light colors, dark text */
.ds-text-dark {
  color: #0a0a0b !important;
}

/* Spacing Scale Displays */
.ds-space-scale {
  display: flex;
  align-items: flex-end;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.ds-space-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.ds-space-box {
  background: var(--accent-gold);
  width: 40px;
}

.ds-space-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Component Showcases */
.ds-comp-showcase {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}