/**
 * Ajustements visuels Heritage — filigrane, cartes Stitch, typo.
 */
html[data-ui-theme="heritage"] {
    --heritage-filigree: url("../img/heritage-filigree.svg");
    --primary-container: #ea6944;
    --shadow-card: 0 4px 18px rgba(0, 0, 0, 0.38);
    --shadow-card-border: rgba(255, 255, 255, 0.05);
}

/* Calque décoratif fixe (compass rose / filigrane) */
html[data-ui-theme="heritage"] .heritage-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

html:not([data-ui-theme="heritage"]):not([data-ui-theme="clair"]) .heritage-bg {
    display: none;
}

html[data-ui-theme="heritage"] .heritage-bg__layer {
    position: absolute;
    background: center / contain no-repeat var(--heritage-filigree);
}

html[data-ui-theme="heritage"] .heritage-bg__layer--primary {
    width: min(92vw, 680px);
    height: min(92vw, 680px);
    top: 6%;
    left: 50%;
    transform: translateX(-42%);
    opacity: 0.11;
}

html[data-ui-theme="heritage"] .heritage-bg__layer--secondary {
    width: min(55vw, 380px);
    height: min(55vw, 380px);
    right: -4%;
    bottom: 8%;
    opacity: 0.06;
}

html[data-ui-theme="heritage"] body {
    position: relative;
}

html[data-ui-theme="heritage"] .app-content-area,
html[data-ui-theme="heritage"] #flash-stack,
html[data-ui-theme="heritage"] .preview-banner {
    position: relative;
    z-index: 1;
}

/* Ne pas écraser position:fixed du header / sidebar (définis dans layout.php). */
html[data-ui-theme="heritage"] .app-sidebar {
    z-index: 250;
}

html[data-ui-theme="heritage"] .app-header {
    box-shadow: 0 6px 28px rgba(0, 0, 0, 0.38);
    background: color-mix(in srgb, var(--panel) 92%, transparent);
    backdrop-filter: blur(10px);
    z-index: 500;
}

html[data-ui-theme="heritage"] .app-brand__title {
    font-weight: 600;
    letter-spacing: -0.02em;
}

html[data-ui-theme="heritage"] h1,
html[data-ui-theme="heritage"] .page-title,
html[data-ui-theme="heritage"] .page-hero__title {
    font-weight: 600;
    letter-spacing: -0.02em;
}

html[data-ui-theme="heritage"] .page-hero {
    border-top-width: 3px;
    border-top-color: var(--accent);
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--accent) 12%, transparent),
        color-mix(in srgb, var(--accent) 3%, transparent) 55%,
        transparent
    );
    box-shadow: var(--shadow-card);
}

html[data-ui-theme="heritage"] .form-card {
    border-radius: var(--radius-lg);
    border-top: 2px solid color-mix(in srgb, var(--accent) 55%, var(--border-subtle));
    box-shadow: var(--shadow-card);
    border-color: var(--border-medium);
    position: relative;
    overflow: hidden;
}

html[data-ui-theme="heritage"] .form-card::after {
    content: "";
    position: absolute;
    right: -2.5rem;
    bottom: -2.5rem;
    width: 7.5rem;
    height: 7.5rem;
    background: center / contain no-repeat var(--heritage-filigree);
    opacity: 0.05;
    pointer-events: none;
}

html[data-ui-theme="heritage"] .form-card-title {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--muted);
}

html[data-ui-theme="heritage"] th {
    background: var(--panel-elevated);
}

html[data-ui-theme="heritage"] tr:hover td {
    background: color-mix(in srgb, var(--accent) 6%, transparent);
}

html[data-ui-theme="heritage"] .flash-success {
    border-color: var(--flash-success-border);
    background: var(--flash-success-bg);
    color: var(--text-flash-success);
}

html[data-ui-theme="heritage"] .flash-danger {
    border-color: var(--flash-danger-border);
    background: var(--flash-danger-bg);
    color: var(--text-flash-danger);
}

html[data-ui-theme="heritage"] .flash-info {
    border-color: var(--flash-info-border);
    background: var(--flash-info-bg);
    color: var(--text-flash-info);
}

html[data-ui-theme="heritage"] button,
html[data-ui-theme="heritage"] .btn {
    border-radius: var(--radius-sm);
}

html[data-ui-theme="heritage"] button:not(.secondary):not(.danger):not(.app-header__logout):not(.app-nav-toggle):not(.app-nav-dropdown__trigger):not(.exp-action-btn):not(.app-header__tool-link):not(.ui-theme-toggle):not(.preview-banner__exit):not(.invite-list-meal-icon),
html[data-ui-theme="heritage"] .btn:not(.secondary):not(.danger):not(.invite-list-meal-icon) {
    background: var(--primary-container, #ea6944);
    color: var(--text-on-primary-container);
}

html[data-ui-theme="heritage"] .count-chip--ok {
    background: color-mix(in srgb, var(--ok) 18%, var(--panel));
    border-color: color-mix(in srgb, var(--ok) 40%, var(--border-subtle));
}

html[data-ui-theme="heritage"] .count-chip--pending {
    background: color-mix(in srgb, var(--pending) 16%, var(--panel));
    border-color: color-mix(in srgb, var(--pending) 38%, var(--border-subtle));
}

/* Carte stats type Stitch (fond terracotta + filigrane) */
html[data-ui-theme="heritage"] .heritage-stat-panel {
    background: var(--primary-container);
    color: var(--text-on-primary-container);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

html[data-ui-theme="heritage"] .heritage-stat-panel::before {
    content: "";
    position: absolute;
    right: -1.5rem;
    bottom: -1.5rem;
    width: 9rem;
    height: 9rem;
    background: center / contain no-repeat var(--heritage-filigree);
    opacity: 0.22;
    pointer-events: none;
}

html[data-ui-theme="heritage"] .ui-theme-toggle.is-heritage {
    background: var(--tool-link-active-bg);
    border-color: var(--tool-link-active-border);
    color: var(--accent);
}
html[data-ui-theme="heritage"] body.public-layout {
    position: relative;
}

html[data-ui-theme="heritage"] body.public-layout main {
    position: relative;
    z-index: 1;
}

html[data-ui-theme="heritage"] body.auth-layout .auth-page-wrap {
    position: relative;
    z-index: 1;
}

html[data-ui-theme="heritage"] body.public-layout details.invite-section {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    border-top: 2px solid color-mix(in srgb, var(--accent) 50%, var(--border-subtle));
}