/* ==================================================================== *\
   AG Publicista — Herramienta: Generador de paletas de colores
   Estilos de página. La base (tipografía, header, cards…) vive en /css/site.css.

   1. Panel de control (.picker)
   2. Grupos de opciones (.segmented)
   3. Paleta y muestras (.palette / .scale / .swatch)
   4. Bloque de accesibilidad (.a11y)
   5. Panel de exportación (.export)
   6. FAQ
   7. Responsive
\* ==================================================================== */

/* 1. Panel de control -------------------------------------------------- */

.picker {
  display: grid;
  gap: 1.3rem;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.picker__row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.field__label {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.field__color {
  display: flex;
  gap: 0.6rem;
}

.picker input[type="color"] {
  width: 58px;
  height: 46px;
  flex: 0 0 auto;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--panel);
  cursor: pointer;
}

.picker input[type="text"] {
  width: 11ch;
  min-width: 0;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  outline: none;
  background: var(--bg-soft);
  color: var(--text);
  font: 600 1rem var(--font-mono);
  text-transform: lowercase;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.picker input[type="text"]:focus-visible {
  border-color: var(--violeta);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--violeta) 24%, transparent);
}

.picker input[type="text"][aria-invalid="true"] {
  border-color: var(--coral);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--coral) 22%, transparent);
}

.picker__random {
  min-height: 46px;
}

.kbd {
  display: inline-block;
  padding: 0.15em 0.5em;
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: var(--bg-soft);
  color: var(--faint);
  font: 600 0.72rem var(--font-mono);
  line-height: 1.5;
}

.picker__hint {
  margin: 0;
  max-width: 68ch;
  color: var(--muted);
  font-size: 0.9rem;
}

.picker__hint code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.1em 0.4em;
}

.status {
  margin: 0;
  color: var(--turquesa);
  font-size: 0.9rem;
  font-weight: 600;
}

/* 2. Grupos de opciones ------------------------------------------------ */

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.segmented__legend {
  width: 100%;
  padding: 0;
  margin-bottom: 0.6rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.segmented__item {
  position: relative;
  display: inline-flex;
}

.segmented__item input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.segmented__item span {
  display: block;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.segmented__item input:hover + span {
  background: var(--panel-hover);
  color: var(--text);
  border-color: var(--line-strong);
}

.segmented__item input:checked + span {
  background: var(--violeta);
  border-color: var(--violeta);
  color: #fff;
}

.segmented__item input:focus-visible + span {
  outline: 3px solid var(--turquesa);
  outline-offset: 2px;
}

/* 3. Paleta y muestras -------------------------------------------------- */

.palette-note {
  margin: 1.6rem 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.palette {
  display: grid;
  gap: 1rem;
}

.palette-card {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.palette-card__main {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.6rem;
  min-height: 132px;
  padding: 1rem;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  transition: transform 220ms var(--ease), box-shadow 220ms ease;
}

.palette-card__main:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.palette-card__main:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: -7px;
}

.palette-card__role {
  font: 700 0.72rem/1 var(--font-body);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.85;
}

.palette-card__hex {
  font: 600 1.32rem/1 var(--font-mono);
  letter-spacing: -0.01em;
}

.palette-card__hint {
  font-size: 0.76rem;
  font-weight: 600;
  opacity: 0.7;
}

.scale {
  display: grid;
  grid-template-columns: repeat(11, minmax(0, 1fr));
  gap: 4px;
  align-content: stretch;
}

.swatch {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.35rem;
  min-height: 132px;
  padding: 0.55rem 0.4rem;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  overflow: hidden;
  font-family: var(--font-mono);
  text-align: left;
  transition: transform 200ms var(--ease);
}

.swatch:hover {
  transform: translateY(-4px);
}

.swatch:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: -6px;
}

.swatch__step {
  font-size: 0.72rem;
  font-weight: 700;
  opacity: 0.9;
}

.swatch__hex {
  font-size: 0.66rem;
  font-weight: 600;
  opacity: 0.88;
}

.swatch__dot {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px color-mix(in oklab, currentColor 22%, transparent);
}

/* 4. Bloque de accesibilidad ------------------------------------------- */

.a11y {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.a11y__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.a11y__color {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}

.a11y__chip {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
}

.a11y__name {
  display: grid;
  gap: 0.1rem;
  min-width: 0;
}

.a11y__role {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
}

.a11y__hex {
  font: 600 0.98rem var(--font-mono);
  color: var(--text);
}

.a11y__metric {
  display: grid;
  gap: 0.25rem;
  min-width: 0;
}

.a11y__label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.a11y__value {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.a11y__ratio {
  font: 600 1.02rem var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.a11y__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid;
  font-size: 0.78rem;
  font-weight: 700;
}

.a11y__badge--ok {
  color: var(--turquesa);
  border-color: color-mix(in oklab, var(--turquesa) 45%, transparent);
  background: color-mix(in oklab, var(--turquesa) 12%, transparent);
}

.a11y__badge--ko {
  color: var(--coral);
  border-color: color-mix(in oklab, var(--coral) 45%, transparent);
  background: color-mix(in oklab, var(--coral) 12%, transparent);
}

/* 5. Panel de exportación ---------------------------------------------- */

.export {
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.export__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.export__head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.export__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.export__controls {
  display: grid;
  gap: 1.2rem;
  margin-bottom: 1.2rem;
}

.export__code {
  max-height: 420px;
  margin: 0;
  padding: 1.1rem 1.3rem;
  overflow: auto;
  border-radius: var(--radius-sm);
  background: var(--code-bg);
  color: #e9e6ff;
  font: 0.86rem/1.65 var(--font-mono);
  white-space: pre;
  tab-size: 2;
}

.export__status {
  min-height: 1.4em;
  margin: 0.8rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

/* 6. FAQ ---------------------------------------------------------------- */

.faq {
  max-width: 760px;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 1rem 1.3rem;
  margin-bottom: 0.8rem;
  transition: border-color 200ms ease, background-color 200ms ease;
}

.faq details[open] {
  border-color: var(--line-strong);
  background: var(--panel-hover);
}

.faq summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
}

.faq summary::marker {
  color: var(--violeta);
}

.faq details[open] summary {
  color: var(--violeta);
}

.faq p {
  color: var(--muted);
  margin: 0.7em 0 0.2em;
  font-size: 0.96rem;
}

.faq code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.12em 0.4em;
  overflow-wrap: anywhere;
}

/* 7. Responsive --------------------------------------------------------- */

@media (max-width: 1040px) {
  .palette-card {
    grid-template-columns: 168px minmax(0, 1fr);
  }

  .swatch {
    padding: 0.5rem 0.3rem;
  }

  .swatch__hex {
    font-size: 0.6rem;
  }
}

@media (max-width: 860px) {
  .palette-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .palette-card__main {
    min-height: 96px;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
  }

  .swatch {
    min-height: 96px;
  }

  .a11y__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.9rem;
  }
}

@media (max-width: 680px) {
  .scale {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .swatch {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    min-height: 46px;
    padding: 0.5rem 0.7rem;
  }

  .swatch__hex {
    font-size: 0.76rem;
  }

  .swatch__step {
    font-size: 0.76rem;
  }

  .swatch__dot {
    position: static;
    box-shadow: none;
    order: -1;
  }

  .field,
  .picker__random {
    width: 100%;
  }

  .picker__random {
    justify-content: center;
  }

  .picker input[type="text"] {
    width: 100%;
  }

  .export__actions .btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .swatch,
  .palette-card__main,
  .segmented__item span {
    transition: none;
  }

  .swatch:hover,
  .palette-card__main:hover {
    transform: none;
  }
}