.stack {
    display: grid;
    gap: 18px;
}

.card {
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(18px);
}

.card h1,
.card h2,
.card h3 {
    margin-top: 0;
}

.hero {
    display: grid;
    gap: 14px;
}

.landing-brand-heading {
    margin: 0;
}

.hero-actions,
.actions,
.inline-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--app-primary), var(--app-primary-light));
    color: #ffffff;
    padding: 12px 18px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
    box-shadow: 0 16px 28px rgba(var(--app-primary-rgb), 0.24);
}

.button:hover {
    transform: translateY(-1px);
    color: #ffffff;
    filter: brightness(1.02);
}

.button-secondary {
    background: rgba(226, 232, 240, 0.88);
    color: var(--app-text);
    box-shadow: none;
}

.button-secondary:hover {
    color: var(--app-text);
}

.button-danger {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    box-shadow: 0 14px 24px rgba(220, 38, 38, 0.18);
}

/* ============================================================
   Flash messages (compartido entre admin, storefront, marketing).
   ------------------------------------------------------------
   Componente único `.sa-flash` con variantes de tipo + modo toast.
   - `.sa-flash` (inline, en flujo del documento).
   - `.sa-flash.is-success / .is-error / .is-warning / .is-info`.
   - `.sa-flash-stack` (contenedor fixed bottom-right) + `.sa-flash--toast`
     para el patrón toast con auto-dismiss.
   El JS (`showFlashToast`) y el PHP (`renderPage`) generan el mismo
   markup; cualquier toast nuevo debe seguir este componente.
   ============================================================ */
.sa-flash {
    margin: 0;
    padding: 10px 14px;
    border: 1px solid transparent;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 500;
    line-height: 1.45;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.sa-flash.is-success {
    background: #ecfdf5;
    color: #166534;
    border-color: rgba(21, 128, 61, 0.18);
}
.sa-flash.is-error {
    background: #fef2f2;
    color: #b91c1c;
    border-color: rgba(220, 38, 38, 0.20);
}
.sa-flash.is-warning {
    background: #fef3c7;
    color: #92400e;
    border-color: rgba(245, 158, 11, 0.25);
}
.sa-flash.is-info {
    background: rgba(2, 67, 253, 0.06);
    color: #1d4ed8;
    border-color: rgba(2, 67, 253, 0.20);
}

.sa-flash-stack {
    position: fixed;
    bottom: 18px;
    right: 18px;
    z-index: 12000;
    display: grid;
    gap: 10px;
    justify-items: end;
    max-width: calc(100vw - 28px);
    pointer-events: none;
}

.sa-flash.sa-flash--toast {
    width: max-content;
    max-width: min(360px, calc(100vw - 28px));
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.16);
    backdrop-filter: blur(12px);
    animation:
        saFlashToastIn 0.24s ease-out,
        saFlashToastOut 4.8s ease forwards;
    pointer-events: auto;
}

@keyframes saFlashToastIn {
    from {
        transform: translateY(calc(100% + 36px));
    }

    to {
        transform: translateY(0);
    }
}

@keyframes saFlashToastOut {
    0%,
    72% {
        opacity: 1;
        visibility: visible;
    }

    100% {
        opacity: 0;
        visibility: hidden;
    }
}

.error-text {
    color: #b91c1c;
    font-size: 14px;
    margin-top: 6px;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.form-check-input {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    margin: 3px 0 0;
}

.form-check-label {
    display: inline;
    margin-bottom: 0;
}

.summary-grid,
.stats-grid,
.product-grid {
    display: grid;
    gap: 16px;
}

.stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.product-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.04em;
}

.grid-two {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.form-grid {
    display: grid;
    gap: 18px;
}

/* Estilos globales LEGACY (landing, auth, marketing, wizard, etc.).
   Para el admin moderno (body.sa-app) la única fuente de verdad son
   las clases .sa-* del styleguide; cualquier excepción se documenta
   ahí y se crea como modificador propio. Por eso todos los selectores
   de elemento sin clase quedan acotados con body:not(.sa-app). */
body:not(.sa-app) label:not([class^="sa-"]):not([class*=" sa-"]) {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #334155;
}

body:not(.sa-app) input:not([type="checkbox"]):not([type="radio"]):not(.sa-input-affix > input):not(.sa-search-input > input):not(.sa-combobox__control > input):not(.sa-multiselect__search > input),
body:not(.sa-app) textarea,
body:not(.sa-app) select {
    width: 100%;
    box-sizing: border-box;
    padding: 13px 14px;
    border: 1px solid var(--app-border-strong);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.92);
    font-size: 15px;
    font-family: inherit;
    color: var(--app-text);
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

body:not(.sa-app) input:not([type="checkbox"]):not([type="radio"]):not(.sa-input-affix > input):not(.sa-search-input > input):not(.sa-combobox__control > input):not(.sa-multiselect__search > input):focus,
body:not(.sa-app) textarea:focus,
body:not(.sa-app) select:focus {
    outline: none;
    border-color: rgba(var(--app-primary-rgb), 0.55);
    box-shadow: 0 0 0 4px rgba(var(--app-primary-rgb), 0.12);
    background: #ffffff;
}

/* Reset base para inputs dentro de wrappers-as-field (vive global
   porque también lo necesitan landing/auth si llegaran a usarlos). */
.sa-input-affix > input,
.sa-search-input > input,
.sa-combobox__control > input,
.sa-multiselect__search > input {
    border: 0;
    outline: 0;
    box-shadow: none;
    background: transparent;
    -webkit-appearance: none;
    appearance: none;
}

/* Spinners de number: aplicable a cualquier surface; no choca con sa-* */
input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    margin: 0;
    -webkit-appearance: none;
}

body:not(.sa-app) textarea {
    min-height: 140px;
    resize: vertical;
}

.table-wrap {
    overflow-x: auto;
}

body:not(.sa-app) table {
    width: 100%;
    border-collapse: collapse;
}

body:not(.sa-app) th,
body:not(.sa-app) td {
    padding: 12px;
    border-bottom: 1px solid #e2e8f0;
    text-align: left;
    vertical-align: top;
}

body:not(.sa-app) th {
    font-size: 13px;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 700;
    background: rgba(var(--app-primary-rgb), 0.1);
    color: var(--app-primary-dark);
}

.badge-draft {
    background: rgba(148, 163, 184, 0.18);
    color: #334155;
}

.product-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: var(--radius-md);
    background: #e2e8f0;
}

.price {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.product-card {
    display: grid;
    gap: 12px;
}

.empty-state {
    padding: 28px;
    text-align: center;
}

.cart-line {
    display: grid;
    gap: 8px;
}

.meta-list {
    display: grid;
    gap: 8px;
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.meta-row strong {
    min-width: 120px;
}

@media (max-width: 640px) {
    .card {
        padding: 18px;
    }

    th,
    td {
        padding: 10px 8px;
    }
}