/* ============================================================
   Kolene Design Language (KDL) — Style Guide page helpers
   Tokens and core component primitives now live in main.css.
   This file only contains layout helpers and demo components
   specific to the /style-guide/ page.
   ============================================================ */

.kdl-styleguide {
  padding: var(--kdl-space-8) 0;
  color: var(--kdl-text-default);
  font-family: var(--kdl-font-sans);
  font-size: var(--kdl-fs-body);
  line-height: 1.6;
}

/* Local reset: undo legacy h*/p forced inline-block + width */
.kdl-styleguide :where(h1, h2, h3, h4, h5, h6, p, ul, ol, button) {
  display: revert;
  width: auto;
}
.kdl-styleguide :where(h1, h2, h3, h4, h5, h6) { font-weight: inherit; }
.kdl-styleguide :where(h1, h2, h3, h4, h5, h6, p, ul, ol) { margin: 0; padding: 0; }
.kdl-styleguide :where(button) { background: none; border: 0; cursor: pointer; font: inherit; color: inherit; }

/* ============================================================
   Page layout
   ============================================================ */
.kdl-styleguide .kdl-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--kdl-space-5);
}
.kdl-styleguide .kdl-sg-section {
  padding: var(--kdl-space-8) 0;
  border-top: 1px solid var(--kdl-border-subtle);
}
.kdl-styleguide .kdl-sg-section:first-of-type { border-top: 0; }
.kdl-styleguide .kdl-sg-section__head {
  display: flex;
  align-items: baseline;
  gap: var(--kdl-space-4);
  margin-bottom: var(--kdl-space-6);
  flex-wrap: wrap;
}
.kdl-styleguide .kdl-sg-section__title {
  font-family: var(--kdl-font-sans);
  font-size: var(--kdl-fs-h2);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--kdl-text-strong);
  line-height: 1.2;
  margin: 0;
}
.kdl-styleguide .kdl-sg-section__lede {
  font-size: var(--kdl-fs-lead);
  color: var(--kdl-text-muted);
  max-width: 60ch;
}

.kdl-styleguide .kdl-sg-grid { display: grid; gap: var(--kdl-space-4); }
.kdl-styleguide .kdl-sg-grid--cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.kdl-styleguide .kdl-sg-grid--cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kdl-styleguide .kdl-sg-grid--cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kdl-styleguide .kdl-sg-grid--cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
@media (max-width: 900px) {
  .kdl-styleguide .kdl-sg-grid--cols-6,
  .kdl-styleguide .kdl-sg-grid--cols-4,
  .kdl-styleguide .kdl-sg-grid--cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .kdl-styleguide .kdl-sg-grid--cols-6,
  .kdl-styleguide .kdl-sg-grid--cols-4,
  .kdl-styleguide .kdl-sg-grid--cols-3,
  .kdl-styleguide .kdl-sg-grid--cols-2 { grid-template-columns: 1fr; }
}

/* Masthead */
.kdl-styleguide .kdl-sg-masthead {
  border: 1px solid var(--kdl-border-default);
  padding: var(--kdl-space-6) var(--kdl-space-7);
  display: grid;
  gap: var(--kdl-space-3);
  background: var(--kdl-surface-raised);
  position: relative;
  margin-bottom: var(--kdl-space-7);
}
.kdl-styleguide .kdl-sg-masthead h1 {
  font-size: var(--kdl-fs-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--kdl-text-strong);
  margin: 0;
}
.kdl-styleguide .kdl-sg-masthead__meta {
  display: flex;
  gap: var(--kdl-space-5);
  flex-wrap: wrap;
  font-family: var(--kdl-font-mono);
  font-size: var(--kdl-fs-mono-sm);
  color: var(--kdl-text-muted);
}

/* ============================================================
   Demo: legacy button preserved for the before/after comparison
   ============================================================ */
.kdl-styleguide .kdl-legacy-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 22px;
  background: #fff;
  color: #000;
  border: 2px solid #000;
  border-radius: 6px;
  font-family: var(--kdl-font-sans);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 4px 4px 0 #000;
  cursor: pointer;
  transition: box-shadow .3s ease-in-out, transform .3s ease-in-out;
}
.kdl-styleguide .kdl-legacy-btn:hover {
  box-shadow: 6px 6px 0 #000;
  transform: translate(-2px, -2px);
}

/* ============================================================
   Swatch grid
   ============================================================ */
.kdl-styleguide .kdl-swatch {
  border: 1px solid var(--kdl-border-subtle);
  border-radius: var(--kdl-radius-xs);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--kdl-surface-base);
  box-shadow: var(--kdl-elev-2);
}
.kdl-styleguide .kdl-swatch__chip { height: 96px; }
.kdl-styleguide .kdl-swatch__chip[data-on-dark="true"] {
  background-image: linear-gradient(135deg, transparent 50%, rgba(255,255,255,.08) 50%);
}
.kdl-styleguide .kdl-swatch__body {
  padding: var(--kdl-space-3);
  display: grid;
  gap: 2px;
  font-family: var(--kdl-font-mono);
  font-size: var(--kdl-fs-mono-sm);
  color: var(--kdl-text-default);
}
.kdl-styleguide .kdl-swatch__name { color: var(--kdl-text-strong); font-weight: 500; }
.kdl-styleguide .kdl-swatch__hex  { color: var(--kdl-text-muted); }
.kdl-styleguide .kdl-swatch__contrast {
  margin-top: var(--kdl-space-2);
  font-size: 11px;
  color: var(--kdl-text-muted);
}

/* ============================================================
   Typography rows
   ============================================================ */
.kdl-styleguide .kdl-type-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--kdl-space-5);
  padding: var(--kdl-space-4) 0;
  border-bottom: 1px solid var(--kdl-border-subtle);
  align-items: baseline;
}
.kdl-styleguide .kdl-type-row__label {
  font-family: var(--kdl-font-mono);
  font-size: var(--kdl-fs-mono-sm);
  color: var(--kdl-text-muted);
  letter-spacing: 0.02em;
}
.kdl-styleguide .kdl-type-row__sample { color: var(--kdl-text-strong); font-family: var(--kdl-font-sans); }
.kdl-styleguide .kdl-type-row__sample--mono { font-family: var(--kdl-font-mono); }
@media (max-width: 700px) {
  .kdl-styleguide .kdl-type-row { grid-template-columns: 1fr; gap: var(--kdl-space-2); }
}

.kdl-styleguide .kdl-type--display { font-size: var(--kdl-fs-display); line-height: 1.05; letter-spacing: -0.02em; font-weight: 700; }
.kdl-styleguide .kdl-type--h1      { font-size: var(--kdl-fs-h1);      line-height: 1.10; letter-spacing: -0.015em; font-weight: 700; }
.kdl-styleguide .kdl-type--h2      { font-size: var(--kdl-fs-h2);      line-height: 1.20; letter-spacing: -0.01em;  font-weight: 700; }
.kdl-styleguide .kdl-type--h3      { font-size: var(--kdl-fs-h3);      line-height: 1.25; letter-spacing: -0.005em; font-weight: 600; }
.kdl-styleguide .kdl-type--h4      { font-size: var(--kdl-fs-h4);      line-height: 1.35; font-weight: 600; }
.kdl-styleguide .kdl-type--lead    { font-size: var(--kdl-fs-lead);    line-height: 1.55; color: var(--kdl-text-default); }
.kdl-styleguide .kdl-type--body    { font-size: var(--kdl-fs-body);    line-height: 1.6;  color: var(--kdl-text-default); }
.kdl-styleguide .kdl-type--small   { font-size: var(--kdl-fs-small);   line-height: 1.5;  color: var(--kdl-text-default); }
.kdl-styleguide .kdl-type--caption { font-size: var(--kdl-fs-caption); line-height: 1.4;  color: var(--kdl-text-muted); letter-spacing: 0.02em; }
.kdl-styleguide .kdl-type--mono    { font-size: var(--kdl-fs-mono); font-family: var(--kdl-font-mono); color: var(--kdl-text-default); }

/* ============================================================
   Spacing ruler
   ============================================================ */
.kdl-styleguide .kdl-spacing-row {
  display: grid;
  grid-template-columns: 100px 1fr 80px;
  gap: var(--kdl-space-4);
  align-items: center;
  padding: var(--kdl-space-2) 0;
  border-bottom: 1px solid var(--kdl-border-subtle);
  font-family: var(--kdl-font-mono);
  font-size: var(--kdl-fs-mono-sm);
}
.kdl-styleguide .kdl-spacing-bar { height: 14px; background: var(--kdl-blue-500); border-radius: 1px; }

/* ============================================================
   Radius + elevation tiles
   ============================================================ */
.kdl-styleguide .kdl-tile {
  height: 120px;
  background: var(--kdl-surface-base);
  display: flex;
  align-items: flex-end;
  padding: var(--kdl-space-3);
  font-family: var(--kdl-font-mono);
  font-size: var(--kdl-fs-mono-sm);
  color: var(--kdl-text-muted);
}
.kdl-styleguide .kdl-tile--elev { box-shadow: var(--kdl-elev-2); border: 0; }

/* ============================================================
   Style-guide-only card media placeholder
   (the gridded gradient swatch shown when a card has no real image)
   ============================================================ */
.kdl-styleguide .kdl-card__media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(0deg,  transparent 95%, var(--kdl-blue-300) 95%),
    linear-gradient(90deg, transparent 95%, var(--kdl-blue-300) 95%);
  background-size: 24px 24px;
  opacity: 0.4;
}

/* Shared KDL primitives — .kdl-field, .kdl-input, .kdl-textarea, .kdl-select,
   .kdl-check, .kdl-card, .kdl-accordion, .kdl-badge, .kdl-callout, .kdl-table —
   were promoted to main.css (sitewide) on 2026-05-20.
   The style-guide page picks them up automatically from main.css. */

.kdl-styleguide .kdl-chips { display: flex; flex-wrap: wrap; gap: var(--kdl-space-2); margin-bottom: var(--kdl-space-4); }
.kdl-styleguide .kdl-chip {
  font-family: var(--kdl-font-mono);
  font-size: var(--kdl-fs-eyebrow);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 10px;
  border: 1px solid var(--kdl-border-default);
  border-radius: var(--kdl-radius-xs);
  background: var(--kdl-surface-base);
  color: var(--kdl-text-default);
  cursor: pointer;
  transition: all var(--kdl-dur-fast) var(--kdl-ease-standard);
}
.kdl-styleguide .kdl-chip:hover { border-color: var(--kdl-border-strong); }
.kdl-styleguide .kdl-chip[aria-pressed="true"] {
  background: var(--kdl-copper-500);
  border-color: var(--kdl-copper-500);
  color: #fff;
}

/* Motion samples */
.kdl-styleguide .kdl-motion-card {
  padding: var(--kdl-space-5);
  border: 1px solid var(--kdl-border-default);
  border-radius: var(--kdl-radius-sm);
  background: var(--kdl-surface-base);
  display: grid; gap: var(--kdl-space-3);
}
.kdl-styleguide .kdl-motion-card__label {
  font-family: var(--kdl-font-mono);
  font-size: var(--kdl-fs-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--kdl-text-muted);
}
.kdl-styleguide .kdl-reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--kdl-dur-slow) var(--kdl-ease-decel), transform var(--kdl-dur-slow) var(--kdl-ease-decel);
}
.kdl-styleguide .kdl-reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Iconography grid */
.kdl-styleguide .kdl-icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--kdl-space-3);
}
.kdl-styleguide .kdl-icon-tile {
  display: grid;
  gap: var(--kdl-space-2);
  justify-items: center;
  padding: var(--kdl-space-4);
  border: 1px solid var(--kdl-border-subtle);
  border-radius: var(--kdl-radius-sm);
  background: var(--kdl-surface-base);
  text-align: center;
  font-family: var(--kdl-font-mono);
  font-size: var(--kdl-fs-eyebrow);
  letter-spacing: 0.06em;
  color: var(--kdl-text-muted);
}
.kdl-styleguide .kdl-icon-tile svg {
  width: 28px; height: 28px;
  stroke: var(--kdl-text-strong); stroke-width: 1.5; fill: none;
  stroke-linecap: round; stroke-linejoin: round;
}

/* Tokens appendix table */
.kdl-styleguide .kdl-token-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--kdl-font-mono);
  font-size: var(--kdl-fs-mono-sm);
}
.kdl-styleguide .kdl-token-table th,
.kdl-styleguide .kdl-token-table td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--kdl-border-subtle);
}
.kdl-styleguide .kdl-token-table th {
  font-size: var(--kdl-fs-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--kdl-text-muted);
  font-weight: 500;
  background: var(--kdl-surface-raised);
}
.kdl-styleguide .kdl-token-table td:first-child { color: var(--kdl-text-strong); }

/* .kdl-hero promoted to main.css (sitewide). The style-guide page picks it up
   automatically. */

/* Hide the auto chevron from .kdl-btn when a manual chev span is present (handled in main.css too) */
.kdl-styleguide .kdl-btn:has(.kdl-btn__chev)::before { display: none; }