/* ================================
   DESIGN SYSTEM - Documentation Page Styles
   ================================ */

/* ---- Page Layout ---- */
.ds-page {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-48) var(--space-32);
}

.ds-page h1 {
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.ds-page__intro {
  color: var(--color-gray);
  font-size: 1.125rem;
  margin-bottom: var(--space-64);
}

/* ---- Section Label ---- */
.ds-section-label {
  font-size: 0.875rem;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-8);
}

/* ---- Section ---- */
.ds-section {
  margin-bottom: var(--space-64);
}

.ds-section h2 {
  color: var(--color-dark);
  margin-bottom: var(--space-24);
}

.ds-section h3 {
  color: var(--color-dark);
  margin-bottom: var(--space-16);
  margin-top: var(--space-32);
}

.ds-section h3:first-child {
  margin-top: 0;
}

.ds-section p {
  color: var(--color-text);
  line-height: 1.6;
}

/* ---- Divider ---- */
.ds-divider {
  border: none;
  height: 1px;
  background: linear-gradient(to right, var(--color-gray) 0, var(--color-gray) 3px, transparent 3px, transparent 9px) repeat-x;
  background-size: 9px 1px;
  margin: var(--space-64) 0;
}

/* ---- Color Swatches ---- */
.ds-swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-16);
}

.ds-swatch {
  display: flex;
  flex-direction: column;
}

.ds-swatch__color {
  width: 100%;
  height: 80px;
  border-radius: 4px;
  border: 1px solid var(--color-light);
}

.ds-swatch__name {
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: var(--color-text);
  margin-top: var(--space-8);
  word-break: break-all;
}

.ds-swatch__value {
  font-size: 0.75rem;
  color: var(--color-gray);
  font-family: var(--font-mono);
}

/* ---- Token Table ---- */
.ds-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  margin-bottom: var(--space-24);
}

.ds-table th {
  text-align: left;
  font-weight: 600;
  color: var(--color-dark);
  padding: var(--space-8) var(--space-16) var(--space-8) 0;
  border-bottom: 2px solid var(--color-light);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.ds-table td {
  padding: var(--space-8) var(--space-16) var(--space-8) 0;
  border-bottom: 1px solid var(--color-light);
  color: var(--color-text);
  vertical-align: top;
}

.ds-table code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-primary);
  background: none;
}

/* ---- Typography Specimens ---- */
.ds-specimen {
  margin-bottom: var(--space-32);
}

.ds-specimen__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gray);
  margin-bottom: var(--space-4);
}

.ds-specimen__sample {
  color: var(--color-text);
}

/* ---- Spacing Bars ---- */
.ds-spacing-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.ds-spacing-bar {
  display: flex;
  align-items: center;
  gap: var(--space-16);
}

.ds-spacing-bar__visual {
  height: 24px;
  background-color: var(--color-primary);
  border-radius: 2px;
  opacity: 0.7;
  flex-shrink: 0;
}

.ds-spacing-bar__label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text);
  white-space: nowrap;
}

.ds-spacing-bar__px {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gray);
  white-space: nowrap;
}

/* ---- Border Radius Demos ---- */
.ds-radius-demos {
  display: flex;
  gap: var(--space-32);
  flex-wrap: wrap;
}

.ds-radius-demo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}

.ds-radius-demo__box {
  width: 100px;
  height: 100px;
  background-color: var(--color-surface);
  border: 2px solid var(--color-primary);
}

.ds-radius-demo__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gray);
  text-align: center;
}

/* ---- Component Demos ---- */
.ds-demo {
  margin-bottom: var(--space-32);
}

.ds-demo__label {
  font-size: 0.8125rem;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-16);
}

.ds-demo__area {
  padding: var(--space-32);
  background-color: var(--color-bg);
  border: 1px solid var(--color-light);
  border-radius: 4px;
}

/* Card demo needs constrained width */
.ds-demo__area--card {
  max-width: 400px;
}

/* Link demo */
.ds-link-demo {
  display: flex;
  gap: var(--space-32);
  align-items: center;
}

/* Section label demo */
.ds-section-label-demo {
  font-size: 0.875rem;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Dotted separator demos */
.ds-separator-demo {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.ds-separator-demo__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.ds-separator-demo__line--blue {
  height: 1px;
  background: linear-gradient(to right, var(--color-primary) 0, var(--color-primary) 3px, transparent 3px, transparent 9px) repeat-x;
  background-size: 9px 1px;
}

.ds-separator-demo__line--gray {
  height: 1px;
  background: linear-gradient(to right, var(--color-gray) 0, var(--color-gray) 3px, transparent 3px, transparent 9px) repeat-x;
  background-size: 9px 1px;
}

.ds-separator-demo__label {
  font-size: 0.75rem;
  color: var(--color-gray);
  font-family: var(--font-mono);
}

/* ---- Writing Style ---- */
.ds-writing {
  max-width: var(--content-width);
}

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

.ds-writing li {
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-light);
  color: var(--color-text);
}

.ds-writing li:last-child {
  border-bottom: none;
}

/* ---- Note/Callout ---- */
.ds-note {
  font-size: 0.875rem;
  color: var(--color-gray);
  margin-bottom: var(--space-16);
  font-style: italic;
}

/* ---- Code Block ---- */
.ds-code {
  background-color: var(--color-surface);
  border: 1px solid var(--color-light);
  border-radius: 4px;
  padding: var(--space-16);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--color-text);
  overflow-x: auto;
  margin-bottom: var(--space-16);
  white-space: pre;
}

.ds-code code {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
}

/* ---- Inline Code ---- */
.ds-section p code,
.ds-section li code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--color-primary);
  background: var(--color-surface);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

/* ---- Developer Usage Note ---- */
.ds-usage {
  font-size: 0.875rem;
  color: var(--color-gray);
  margin-top: var(--space-8);
  line-height: 1.5;
}

.ds-usage code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-primary);
}

/* ---- Animation Demo ---- */
.ds-anim-demo {
  padding: var(--space-32);
  background-color: var(--color-surface);
  border: 1px solid var(--color-light);
  border-radius: 4px;
  margin-bottom: var(--space-24);
  overflow: hidden;
}

.ds-anim-demo__lines .reveal-line {
  display: block;
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 400;
  color: var(--color-dark);
  line-height: 1.3;
}

.ds-anim-demo__lines .reveal-line:first-child {
  color: var(--color-primary);
}

.ds-replay-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  background: none;
  border: 1px solid var(--color-light);
  border-radius: 4px;
  padding: var(--space-8) var(--space-16);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--color-gray);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
  margin-top: var(--space-16);
}

.ds-replay-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ---- Grid Visualization ---- */
.ds-grid-viz {
  margin-bottom: var(--space-32);
}

.ds-grid-viz__canvas {
  position: relative;
  background-color: var(--color-surface);
  border: 1px solid var(--color-light);
  border-radius: 4px;
  padding: var(--space-24) var(--space-16);
  overflow: hidden;
}

.ds-grid-viz__row {
  position: relative;
  margin-bottom: var(--space-24);
}

.ds-grid-viz__row:last-child {
  margin-bottom: 0;
}

.ds-grid-viz__row-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-gray);
  margin-bottom: var(--space-4);
}

/* Outer container bar */
.ds-grid-viz__bar {
  height: 40px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.ds-grid-viz__bar--container {
  background-color: var(--color-primary);
  opacity: 0.12;
  width: 100%;
}

.ds-grid-viz__bar--narrow {
  background-color: var(--color-secondary);
  opacity: 0.15;
  width: 60%;
  margin: 0 auto;
}

/* Grid columns visualization */
.ds-grid-viz__cols {
  display: grid;
  gap: var(--space-8);
  width: 100%;
  height: 40px;
}

.ds-grid-viz__cols--2 {
  grid-template-columns: repeat(2, 1fr);
}

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

.ds-grid-viz__col {
  background-color: var(--color-primary);
  opacity: 0.18;
  border-radius: 3px;
}

/* Breakpoint markers */
.ds-grid-viz__breakpoints {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-light);
}

.ds-grid-viz__bp {
  text-align: center;
}

.ds-grid-viz__bp-value {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-primary);
  display: block;
}

.ds-grid-viz__bp-label {
  font-size: 0.625rem;
  color: var(--color-gray);
  display: block;
  margin-top: var(--space-2);
}

/* Center label on bars */
.ds-grid-viz__bar-label {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text);
  white-space: nowrap;
  z-index: 1;
}

/* Stacked layout for mobile collapse demo */
.ds-grid-viz__mobile {
  display: flex;
  gap: var(--space-16);
  align-items: flex-start;
}

.ds-grid-viz__mobile-col {
  flex: 1;
}

.ds-grid-viz__mobile-col .ds-grid-viz__cols {
  height: auto;
}

.ds-grid-viz__mobile-col .ds-grid-viz__col {
  height: 28px;
}

.ds-grid-viz__arrow {
  display: flex;
  align-items: center;
  color: var(--color-gray);
  font-size: 1.25rem;
  padding-top: var(--space-8);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .ds-page {
    padding: var(--space-32) var(--space-16);
  }

  .ds-swatches {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .ds-radius-demos {
    gap: var(--space-16);
  }

  .ds-radius-demo__box {
    width: 80px;
    height: 80px;
  }

  .ds-table {
    font-size: 0.8125rem;
  }

  .ds-table th,
  .ds-table td {
    padding: var(--space-4) var(--space-8) var(--space-4) 0;
  }

  .ds-link-demo {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-16);
  }

  .ds-grid-viz__mobile {
    flex-direction: column;
  }

  .ds-grid-viz__arrow {
    transform: rotate(90deg);
    align-self: center;
    padding-top: 0;
  }

  .ds-code {
    font-size: 0.75rem;
  }
}