/* Systematická paleta (3.2.4): vzorky, sticky dvojice barev, badge kontrastu, presety.
   Barevné hodnoty pocházejí z exportovaných tokenů --tpx-* (assets/colors/terrapix-systematic.css). */

.palette-family { margin-block: var(--space-6); }
.palette-family h3 { margin-bottom: var(--space-3); }
.palette-ramp { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--space-2); }
.palette-refs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); }

/* Vzorek */
.palette-swatch {
  position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-2);
  min-width: 0; padding: var(--space-3); border: 1px solid var(--border-medium); border-radius: var(--radius-md);
  background: var(--sample); color: var(--sample-text); font: inherit; text-align: left; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.palette-swatch:hover { box-shadow: var(--shadow-1); transform: translateY(-1px); }
.palette-swatch strong { font-size: 13px; }
.palette-swatch span { font-size: 11px; }
.palette-swatch .palette-grade { font-size: 16px; font-weight: 600; }
.palette-swatch[data-role="fg"],
.palette-swatch[data-role="bg"] { outline: 3px solid var(--mystic-ray); outline-offset: 2px; }
.palette-swatch[data-role]::after {
  content: attr(data-role-label); position: absolute; top: var(--space-2); right: var(--space-2);
  padding: 1px 8px; border-radius: var(--radius-pill); background: var(--white); color: var(--obsidian-ink);
  border: 1px solid var(--border-strong); font-size: 11px; font-weight: 600;
}
.palette-copy {
  margin-top: auto; padding: 2px 10px; font: inherit; font-size: 11px; color: inherit; background: transparent;
  border: 1px solid currentColor; border-radius: var(--radius-pill); cursor: pointer;
}
.palette-copy:hover { text-decoration: underline; text-underline-offset: 3px; }

/* Badge kontrastu: tónované pozadí + obsidian text (nikdy Biolume/Magma jako text) */
.palette-badge {
  display: inline-block; margin-top: auto; padding: 1px 8px; border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong); background: var(--white); color: var(--obsidian-ink);
  font-size: 11px; font-weight: 600; white-space: nowrap;
}
.palette-badge:empty { display: none; }
.palette-badge[data-level="pass"] { background: var(--tpx-biolume-30); }
.palette-badge[data-level="large"] { background: var(--tpx-magma-30); }
.palette-badge[data-level="fail"] { background: var(--tpx-neutral-20); }
.palette-swatch .palette-badge { margin-top: var(--space-1); }
.palette-swatch .palette-copy { margin-top: 0; }

/* Sticky dvojice barev */
.palette-pair {
  background: rgba(255, 255, 255, .55);
  position: sticky; top: 96px; z-index: 40; margin-block: var(--space-4);
  display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: var(--space-3) var(--space-5);
  grid-template-areas: "title title" "slots example" "result actions";
  align-items: center; padding: var(--space-4) var(--space-5);
}
.palette-pair-title { grid-area: title; margin: 0; font-size: 16px; }
.palette-pair-slots { grid-area: slots; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
.palette-slot {
  display: flex; align-items: center; gap: var(--space-3); min-width: 0; padding: var(--space-2) var(--space-3);
  font: inherit; color: var(--text-primary); text-align: left; cursor: pointer;
  background: rgba(255, 255, 255, .55); border: 2px solid var(--border-medium); border-radius: var(--radius-md);
}
.palette-slot[aria-pressed="true"] { border-color: var(--mystic-ray); outline: 2px solid var(--mystic-ray); outline-offset: 2px; background: var(--bg-surface); }
.palette-slot-chip { flex: none; width: 44px; height: 44px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--chip, var(--bg-body)); }
.palette-slot-text { display: grid; min-width: 0; }
.palette-slot-label { font-size: 12px; color: var(--text-secondary); }
.palette-slot-name { font-size: 14px; overflow-wrap: anywhere; line-height: 1.2; }
.palette-slot-hex { font-size: 12px; }
.palette-example {
  grid-area: example; display: grid; gap: var(--space-1); padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md); border: 1px solid var(--border-medium); background: var(--pair-bg); color: var(--pair-fg);
}
.palette-example strong { color: inherit; font-size: 20px; }
.palette-example span { font-size: 14px; }
.palette-result { grid-area: result; display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.palette-result > strong { font-size: 28px; line-height: 1; margin-right: var(--space-2); }
.palette-verdict {
  padding: 2px 10px; border-radius: var(--radius-pill); border: 1px solid var(--border-strong);
  color: var(--obsidian-ink); font-size: 12px; font-weight: 500; background: var(--tpx-neutral-20);
}
.palette-verdict[data-pass="true"] { background: var(--tpx-biolume-30); }
.palette-pair-actions { grid-area: actions; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: var(--space-2); }

/* Presety */
.palette-presets { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.palette-preset {
  padding: var(--space-2) var(--space-4); background: var(--pair-bg); color: var(--pair-fg);
  border: 1px solid var(--border-medium); border-radius: var(--radius-pill); font: inherit; font-size: 13px; cursor: pointer;
}
.palette-preset[aria-pressed="true"] { outline: 2px solid var(--mystic-ray); outline-offset: 2px; }

.palette-method { margin-block: var(--space-5); }
.palette-method summary { cursor: pointer; font-weight: 600; padding-block: var(--space-3); }

@media (max-width: 900px) {
  .palette-pair { grid-template-columns: minmax(0, 1fr); grid-template-areas: "title" "slots" "example" "result" "actions"; }
  .palette-pair-actions { justify-content: flex-start; }
}
@media (max-width: 720px) {
  .palette-pair { top: 84px; gap: var(--space-2); padding: var(--space-3); max-height: 60vh; overflow-y: auto; }
  .palette-pair-title { display: none; }
  .palette-pair-slots { grid-template-columns: minmax(0, 1fr); gap: var(--space-2); }
  .palette-slot-chip { width: 32px; height: 32px; }
  .palette-example { padding: var(--space-2) var(--space-3); }
  .palette-example span { display: none; }
  .palette-result > strong { font-size: 22px; }
}
@media (max-width: 600px) {
  .palette-ramp, .palette-refs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}