/* ==================================================================== *\
   Extraer paleta desde imagen — estilos PROPIOS de la página hija.
   Los del sistema de paletas (picker, .segmented, .palette, .export,
   .a11y) llegan de ../css/tool.css del generador padre: aquí solo vive
   lo nuevo — dropzone, workspace de la foto, puntos y swatches.

   1. Dropzone                3. Puntos arrastrables
   2. Workspace de la foto    4. Swatches extraídos y avisos
\* ==================================================================== */

/* 1. Dropzone (lenguaje de optimizar-svg, adaptado) ------------------- */

.dropzone {
  display: grid;
  place-items: center;
  gap: 0.9rem;
  padding: clamp(2rem, 6vw, 3.4rem) 1.5rem;
  border: 2px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--panel);
  text-align: center;
  cursor: pointer;
  transition: border-color 200ms ease, background-color 200ms ease, transform 200ms var(--ease);
}

.dropzone:hover,
.dropzone:focus-visible {
  border-color: var(--violeta);
  background: var(--panel-hover);
}

.dropzone[data-over="true"] {
  border-color: var(--turquesa);
  background: color-mix(in oklab, var(--turquesa) 10%, var(--panel));
  transform: scale(1.01);
}

.dropzone[data-busy="true"] {
  opacity: 0.6;
  pointer-events: none;
}

.dropzone__icon {
  width: 46px;
  height: 46px;
  color: var(--violeta);
}

.dropzone__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.dropzone__hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 52ch;
  text-wrap: pretty;
}

.dropzone__actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  justify-content: center;
}

.error {
  margin: 0.9rem 0 0;
  padding: 0.8rem 1rem;
  font-size: 0.92rem;
  color: var(--text);
  background: color-mix(in oklab, var(--coral, #ff7a68) 14%, var(--panel));
  border: 1px solid color-mix(in oklab, var(--coral, #ff7a68) 45%, var(--line));
  border-radius: var(--radius);
}

/* 2. Workspace de la foto --------------------------------------------- */

.foto-ws {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
  gap: 1.4rem;
  align-items: start;
}

.foto-ws[data-busy="true"] {
  opacity: 0.65;
  pointer-events: none;
}

.foto-ws__marco {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background:
    conic-gradient(var(--line) 25%, transparent 0 50%, var(--line) 0 75%, transparent 0)
    0 0 / 18px 18px;
}

.foto-ws__marco canvas {
  display: block;
  width: 100%;
  height: auto;
}

.foto-ws__lado {
  display: grid;
  gap: 0.9rem;
}

.foto-ws__acciones {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* 3. Puntos arrastrables ----------------------------------------------- */

.foto-ws__puntos {
  position: absolute;
  inset: 0;
}

.punto {
  position: absolute;
  width: 28px;
  height: 28px;
  /* área táctil de 44px sin engordar el círculo visible */
  padding: 8px;
  box-sizing: content-box;
  margin: -22px 0 0 -22px;
  border: 0;
  background: transparent;
  cursor: grab;
  touch-action: none;
}

.punto::before {
  content: "";
  display: block;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--p, #fff);
  border: 3px solid #fff;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.55), inset 0 0 0 1px rgba(0, 0, 0, 0.25);
  transition: transform 0.15s var(--ease);
}

.punto:hover::before,
.punto:focus-visible::before {
  transform: scale(1.18);
}

.punto:active {
  cursor: grabbing;
}

.punto:focus-visible {
  outline: none;
}

.punto:focus-visible::before {
  border-color: var(--turquesa);
}

/* 4. Swatches extraídos y avisos --------------------------------------- */

.sw-lista {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sw {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.45rem 0.7rem 0.45rem 0.45rem;
  font: inherit;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.18s, background 0.18s, transform 0.15s var(--ease);
}

.sw:hover {
  border-color: var(--line-strong);
  background: var(--panel-hover);
  transform: translateX(2px);
}

.sw[aria-pressed="true"] {
  border-color: color-mix(in oklab, var(--violeta) 65%, var(--line));
  box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--violeta) 45%, transparent);
}

.sw__color {
  flex: 0 0 auto;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--sw);
  border: 1px solid rgba(0, 0, 0, 0.25);
}

.sw__hex {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.sw__pct {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--faint);
}

.sw[aria-pressed="true"] .sw__pct::after {
  content: " · base";
  color: var(--violeta);
}

.aviso-extraccion {
  margin: 0;
  padding: 0.7rem 0.95rem;
  font-size: 0.88rem;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid color-mix(in oklab, var(--ambar, #ffb454) 70%, transparent);
  border-radius: 4px var(--radius) var(--radius) 4px;
}

/* responsive + movimiento ---------------------------------------------- */

@media (max-width: 760px) {
  .foto-ws {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dropzone,
  .dropzone[data-over="true"],
  .punto::before,
  .sw,
  .sw:hover {
    transition: none;
    transform: none;
  }
}