/* Marca y logos: un espacio por logo y fondo, con vista previa, y la biblioteca de logos. */

.brand-slots { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); gap: 18px; align-items: start; }
.brand-slot { position: relative; overflow: hidden; transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease); }
.brand-slot::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--tone-ink); opacity: .85; }
.brand-slot:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.brand-slot.is-dirty { border-color: var(--tone-ink); }
.brand-slot .icon-tile { transition: transform .35s var(--spring); }
.brand-slot:hover .icon-tile { transform: rotate(-8deg) scale(1.06); }
.brand-origin { background: var(--surface-2); color: var(--ink-3); }
.brand-origin.is-custom { background: var(--tone-soft); color: var(--tone-ink); }

/* Vista previa sobre el fondo real donde se usa el logo */
.brand-stage {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  place-items: center;
  min-height: 132px;
  margin: 16px 22px 0;
  border-radius: var(--r-lg);
}
.brand-stage.is-dark { color: var(--on-color); background: var(--grad-deep); }
.brand-stage.is-dark::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at 15% 10%, var(--tone), transparent 55%); opacity: .45; }
.brand-stage.is-light { color: var(--ink); background: var(--surface-2); border: 1px solid var(--line-soft); }
.brand-stage .gestia-logo { animation: pop .35s var(--spring) both; }
.brand-stage .gestia-word b { font-size: 26px; }

.brand-where { display: flex; align-items: flex-start; gap: 8px; padding: 12px 22px 0; font-size: 12.5px; line-height: 1.45; color: var(--ink-3); }
.brand-where .i { flex: none; width: 15px; height: 15px; margin-top: 1px; color: var(--tone-ink); }
.brand-controls { display: grid; gap: 14px; padding: 14px 22px 0; }
.brand-note { display: flex; align-items: center; gap: 8px; margin: 0; padding: 10px 12px; border-radius: var(--r-md); font-size: 12.5px; color: var(--ink-3); background: var(--surface-2); }
.brand-note .i { flex: none; width: 15px; height: 15px; }

/* Presentación: tres opciones como tarjetas seleccionables */
.brand-treatments { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 0; padding: 0; border: 0; }
.brand-treatments legend { margin-bottom: 8px; padding: 0; font-size: 12.5px; font-weight: 700; color: var(--ink-2); }
.brand-treatment { position: relative; cursor: pointer; }
.brand-treatment input { position: absolute; opacity: 0; pointer-events: none; }
.brand-treatment span {
  display: grid;
  gap: 2px;
  height: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color .2s var(--ease), background-color .2s var(--ease), transform .2s var(--spring);
}
.brand-treatment b { font-size: 13px; font-weight: 750; color: var(--ink); }
.brand-treatment small { font-size: 11.5px; line-height: 1.35; color: var(--ink-3); }
.brand-treatment:hover span { transform: translateY(-1px); border-color: var(--tone); }
.brand-treatment input:checked + span { border-color: var(--tone-ink); background: var(--tone-soft); }
.brand-treatment input:checked + span b { color: var(--tone-ink); }
.brand-treatment input:focus-visible + span { outline: 3px solid var(--tone); outline-offset: 2px; }
.brand-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 16px -22px 0; padding: 12px 22px 16px; border-top: 1px solid var(--line-soft); }

/* Biblioteca */
.brand-library { margin-top: 18px; padding-bottom: 22px; }
.brand-upload { margin: 0 22px; }
.brand-drop { margin: 18px 0 0; padding: 28px 20px; cursor: pointer; }
.brand-drop:focus-within { outline: 3px solid var(--blue-200); outline-offset: 2px; }
.brand-drop[hidden], .brand-pending[hidden] { display: none; }
.brand-pending {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  align-items: center;
  gap: 8px 16px;
  margin-top: 18px;
  padding: 16px;
  border: 1.5px solid var(--blue-200);
  border-radius: var(--r-lg);
  background: var(--surface-2);
  animation: rise .3s var(--spring) both;
}
.brand-pending .logo-canvas { grid-row: span 3; height: 96px; }
.brand-pending-actions { display: flex; justify-content: flex-end; gap: 8px; }
.brand-file-error { margin: 8px 22px 0; }
.brand-subtitle { margin: 22px 22px 10px; font-size: 12px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.brand-library .empty { margin: 0 22px; }

.logo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(250px, 100%), 1fr)); gap: 12px; margin: 0; padding: 0 22px; list-style: none; }
.logo-tile {
  position: relative;
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--surface);
  animation: rise .35s var(--spring) both;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.logo-tile:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--blue-200); }
.logo-tile.is-system { background: var(--surface-2); }

/* Cuadrícula de fondo: deja ver las zonas transparentes del logo */
.logo-canvas {
  display: grid;
  place-items: center;
  height: 64px;
  padding: 8px;
  border-radius: 10px;
  background-color: var(--surface);
  background-image: conic-gradient(var(--line-soft) 25%, transparent 0 50%, var(--line-soft) 0 75%, transparent 0);
  background-size: 14px 14px;
}
.logo-canvas.is-dark { background: var(--grad-deep); }
.logo-canvas img { max-width: 100%; max-height: 100%; object-fit: contain; }
.logo-meta { display: grid; gap: 3px; min-width: 0; }
.logo-meta strong { overflow: hidden; font-size: 13.5px; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
.logo-meta small { font-size: 11.5px; color: var(--ink-3); }
.logo-usage { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.logo-usage .chip { height: 22px; padding: 0 8px; font-size: 10.5px; }
.logo-usage .chip .i { width: 12px; height: 12px; }
.logo-actions { display: flex; flex-direction: column; gap: 4px; }
.logo-actions .btn-icon { width: 34px; height: 34px; }
.logo-actions [data-delete]:not(:disabled):hover { color: var(--red-500); }
.logo-actions .btn-icon:disabled { opacity: .35; cursor: not-allowed; }
.logo-rename { display: flex; gap: 6px; }
.logo-rename .input { height: 34px; padding: 0 10px; font-size: 13px; }

@media (max-width: 560px) {
  .brand-treatments { grid-template-columns: 1fr; }
  .brand-pending { grid-template-columns: 1fr; }
  .brand-pending .logo-canvas { grid-row: auto; }
  .brand-foot { flex-direction: column; align-items: stretch; }
}