/*
 * Fase 7 — Temas, patrones y diseños.
 *
 * Galerías de la pestaña Diseño (temas, variantes, colores y fuentes), galería
 * de diseños con miniatura de marcadores y los diálogos de fondo y de tamaño de
 * diapositiva. Se apoya en los tokens de `tokens.css` y en las clases de panel
 * flotante de `ribbon.css` y de diálogo de `dialogs.css`.
 */

/* ---------- Galería de temas y de variantes ---------- */

.theme-gallery {
    width: 452px;
    max-height: 70vh;
    overflow-y: auto;
    padding-bottom: 4px;
}

.theme-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    padding: 2px 6px 6px;
}

.theme-card {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 3px;
    border: 1px solid transparent;
    border-radius: var(--ppt-radius-sm);
    background: none;
    cursor: pointer;
    font: inherit;
    text-align: center;
}

.theme-card:hover { border-color: var(--ppt-border); background: var(--ppt-hover); }
.theme-card.is-selected { border-color: var(--ppt-accent); background: var(--ppt-hover-solid); }

.theme-card__thumb {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 58px;
    padding: 6px 6px 0;
    border: 1px solid var(--ppt-border);
    overflow: hidden;
}

.theme-card__heading {
    font-size: 19px;
    line-height: 1;
    text-align: left;
}

.theme-card__accents {
    display: flex;
    height: 9px;
    margin: 0 -6px;
}

.theme-card__chip { flex: 1 1 0; }

.theme-card__name {
    font-size: var(--ppt-font-size-ui-sm);
    color: var(--ppt-text-2);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- Conjuntos de colores y de fuentes ---------- */

.theme-sets {
    width: 268px;
    max-height: 70vh;
    overflow-y: auto;
}

.set-row {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 4px 10px;
    border: 0;
    background: none;
    cursor: pointer;
    font: inherit;
    color: var(--ppt-text);
    text-align: left;
}

.set-row:hover { background: var(--ppt-hover-solid); }
.set-row.is-checked { background: var(--ppt-hover); }

.set-row__strip {
    display: flex;
    flex: 0 0 auto;
    width: 84px;
    height: 16px;
    border: 1px solid var(--ppt-border);
}

.set-row__chip { flex: 1 1 0; }

.set-row__sample {
    flex: 0 0 auto;
    width: 30px;
    font-size: 15px;
    text-align: center;
}

.set-row__label {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    font-size: var(--ppt-font-size-ui);
}

.set-row__detail {
    font-size: var(--ppt-font-size-ui-sm);
    color: var(--ppt-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- Galería de diseños ---------- */

.layout-gallery {
    width: 480px;
    max-height: 70vh;
    overflow-y: auto;
    padding-bottom: 4px;
}

.layout-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 2px 8px 8px;
}

.layout-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 4px;
    border: 1px solid transparent;
    border-radius: var(--ppt-radius-sm);
    background: none;
    cursor: pointer;
    font: inherit;
    text-align: center;
}

.layout-card:hover { border-color: var(--ppt-border); background: var(--ppt-hover); }
.layout-card.is-selected { border-color: var(--ppt-accent); background: var(--ppt-hover-solid); }

/* La miniatura conserva la proporción 16:9 de la diapositiva. */
.layout-thumb {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    background: var(--ppt-slide-bg);
    border: 1px solid var(--ppt-border);
}

.layout-thumb__ph {
    position: absolute;
    border: 1px dashed var(--ppt-text-muted);
    background: rgba(0, 0, 0, 0.04);
}

.layout-thumb__ph--title {
    background: rgba(0, 0, 0, 0.12);
    border-style: solid;
}

/* Las líneas simulan el texto de un marcador de cuerpo. */
.layout-thumb__ph--text {
    background:
        repeating-linear-gradient(to bottom, rgba(0, 0, 0, 0.22) 0 1px, transparent 1px 4px);
}

.layout-thumb__ph--media {
    border-style: solid;
    background: rgba(0, 0, 0, 0.06);
}

.layout-card__name {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-size: var(--ppt-font-size-ui-sm);
    color: var(--ppt-text-2);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- Menú de tamaño de la cinta ---------- */

.slide-size-menu { width: 264px; }

/* ---------- Diálogo Formato del fondo ---------- */

.dialog--background { width: 420px; }
.dialog--slide-size { width: 400px; }

.bg-types {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 10px;
}

.bg-type,
.bg-check {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--ppt-font-size-ui);
    cursor: pointer;
}

.bg-options {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 8px 0;
    border-top: 1px solid var(--ppt-divider);
    border-bottom: 1px solid var(--ppt-divider);
}

.btn--swatch {
    width: 44px;
    height: 22px;
    padding: 0;
    border: 1px solid var(--ppt-border);
}

.btn--icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
}

.field__with-unit {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.field__unit {
    font-size: var(--ppt-font-size-ui-sm);
    color: var(--ppt-text-muted);
}

.grad-stops {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.grad-stop {
    display: flex;
    align-items: center;
    gap: 6px;
}

.slider { width: 160px; }

.bg-preview,
.size-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding-top: 10px;
}

.bg-preview__slide {
    width: 200px;
    height: 112px;
    border: 1px solid var(--ppt-border);
    box-shadow: var(--ppt-slide-shadow);
}

.size-preview__slide {
    border: 1px solid var(--ppt-border);
    background: var(--ppt-slide-bg);
    box-shadow: var(--ppt-slide-shadow);
}

.bg-preview__note,
.size-preview__note {
    font-size: var(--ppt-font-size-ui-sm);
    color: var(--ppt-text-muted);
    text-align: center;
}

/* ---------- Diálogo Tamaño de diapositiva ---------- */

.size-orientation,
.size-modes {
    display: flex;
    flex-direction: column;
    gap: 3px;
}