/*
 * PlusHaut Smart Search – Frontend CSS
 * Compatible : Astra theme + Spectra (UAGB)
 * Utilise les CSS Custom Properties d'Astra comme fallback.
 * ──────────────────────────────────────────────────────────
 */

/* ══════════════════════════════════════════════════════════
   1. CSS Custom Properties
   ══════════════════════════════════════════════════════════ */
:root {
    /* Couleurs – héritées d'Astra si disponibles */
    --phs-primary:       var(--ast-global-color-0, #3B82F6);
    --phs-primary-dark:  var(--ast-global-color-1, #1E40AF);
    --phs-accent:        var(--ast-global-color-2, #6366F1);
    --phs-bg:            var(--ast-content-background-color, #ffffff);
    --phs-bg-soft:       #F8FAFC;
    --phs-bg-hover:      #F1F5F9;
    --phs-text:          var(--ast-body-color, #1E293B);
    --phs-text-muted:    #64748B;
    --phs-border:        #E2E8F0;
    --phs-border-focus:  var(--phs-primary);
    --phs-highlight-bg:  #FEF08A;
    --phs-highlight-txt: #1E293B;

    /* Tokens */
    --phs-radius-sm:  6px;
    --phs-radius-md:  12px;
    --phs-radius-lg:  16px;
    --phs-radius-pill:999px;
    --phs-shadow-sm:  0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.06);
    --phs-shadow-md:  0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);
    --phs-shadow-lg:  0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);
    --phs-shadow-xl:  0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);
    --phs-font:       var(--ast-body-font-family, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
    --phs-transition: .18s cubic-bezier(.4,0,.2,1);
    --phs-card-gap:   1.25rem;
}

/* ══════════════════════════════════════════════════════════
   2. Utilities
   ══════════════════════════════════════════════════════════ */
.phs-hidden { display: none !important; }

.phs-search-widget {
    font-family: var(--phs-font);
    color: var(--phs-text);
    width: 100%;
    box-sizing: border-box;
}

.phs-search-widget *,
.phs-search-widget *::before,
.phs-search-widget *::after { box-sizing: border-box; }

/* ══════════════════════════════════════════════════════════
   3. Search Bar
   ══════════════════════════════════════════════════════════ */
.phs-search-bar { margin-bottom: 1.25rem; }

.phs-search-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.phs-search-widget .phs-search-icon {
    position: absolute;
    left: 1rem;
    display: flex;
    align-items: center;
    color: var(--phs-text-muted);
    pointer-events: none;
    transition: color var(--phs-transition);
    z-index: 1;
}

.phs-search-widget .phs-search-input {
    width: 100%;
    padding: .875rem 2.75rem .875rem 3rem !important;
    font-size: 1rem !important;
    font-family: var(--phs-font);
    line-height: 1.5;
    color: var(--phs-text);
    background: var(--phs-bg);
    border: 2px solid var(--phs-border) !important;
    border-radius: var(--phs-radius-md) !important;
    outline: none;
    box-shadow: var(--phs-shadow-sm);
    transition: border-color var(--phs-transition), box-shadow var(--phs-transition);
    -webkit-appearance: none;
    appearance: none;
}

.phs-search-input::-webkit-search-cancel-button,
.phs-search-input::-webkit-search-decoration { display: none; }

.phs-search-input:focus {
    border-color: var(--phs-primary);
    box-shadow: var(--phs-shadow-sm), 0 0 0 3px rgba(59,130,246,.15);
}

.phs-search-input:focus + .phs-search-clear,
.phs-search-input:focus ~ .phs-search-icon,
.phs-search-input:focus-within ~ .phs-search-icon {
    color: var(--phs-primary);
}

.phs-search-clear {
    position: absolute;
    right: .875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--phs-text-muted);
    border-radius: 50%;
    padding: 0;
    transition: color var(--phs-transition), background var(--phs-transition);
}

.phs-search-clear:hover {
    color: var(--phs-text);
    background: var(--phs-bg-soft);
}

/* ══════════════════════════════════════════════════════════
   4. Alphabet Bar
   ══════════════════════════════════════════════════════════ */
.phs-alphabet-bar {
    display: flex;
    flex-wrap: wrap;
    gap: .25rem;
    padding: .75rem 1rem;
    margin-bottom: 1.25rem;
    background: var(--phs-bg-soft);
    border: 1px solid var(--phs-border);
    border-radius: var(--phs-radius-md);
}

.phs-alpha-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    padding: .3125rem .5rem;
    font-size: .8125rem;
    font-weight: 600;
    font-family: var(--phs-font);
    line-height: 1;
    letter-spacing: .01em;
    color: var(--phs-text-muted);
    background: var(--phs-bg);
    border: 1.5px solid var(--phs-border);
    border-radius: var(--phs-radius-sm);
    cursor: pointer;
    transition: all var(--phs-transition);
    user-select: none;
}

.phs-alpha-btn:hover:not(:disabled):not(.active) {
    color: var(--phs-primary);
    border-color: var(--phs-primary);
    background: rgba(59,130,246,.06);
    transform: translateY(-1px);
    box-shadow: var(--phs-shadow-sm);
}

.phs-alpha-btn.active {
    color: #fff;
    background: var(--phs-primary);
    border-color: var(--phs-primary);
    box-shadow: var(--phs-shadow-sm);
}

.phs-alpha-btn:disabled {
    opacity: .3;
    cursor: default;
    pointer-events: none;
}

.phs-alpha-all { min-width: auto; padding: .3125rem .875rem; }

/* ══════════════════════════════════════════════════════════
   5. Tag Filter Pills
   ══════════════════════════════════════════════════════════ */
.phs-tag-filters { margin-bottom: 1.25rem; }

.phs-tag-loading {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .875rem;
    color: var(--phs-text-muted);
}

.phs-spinner-small {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid var(--phs-border);
    border-top-color: var(--phs-primary);
    border-radius: 50%;
    animation: phs-spin .6s linear infinite;
    flex-shrink: 0;
}

.phs-tag-pills {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
}

.phs-tag-pill {
    display: inline-flex;
    align-items: center;
    padding: .375rem .875rem;
    font-size: .8125rem;
    font-weight: 500;
    font-family: var(--phs-font);
    line-height: 1.4;
    color: var(--phs-text-muted);
    background: var(--phs-bg-soft);
    border: 1.5px solid var(--phs-border);
    border-radius: var(--phs-radius-pill);
    cursor: pointer;
    transition: all var(--phs-transition);
    user-select: none;
    white-space: nowrap;
}

.phs-tag-pill:hover:not(.active) {
    color: var(--phs-primary);
    border-color: var(--phs-primary);
    background: rgba(59,130,246,.06);
}

.phs-tag-pill.active {
    color: #fff;
    background: var(--phs-primary);
    border-color: var(--phs-primary);
    box-shadow: var(--phs-shadow-sm);
}

/* ══════════════════════════════════════════════════════════
   6. Status Bar
   ══════════════════════════════════════════════════════════ */
.phs-status-bar {
    padding: 0 .25rem .75rem;
    font-size: .875rem;
    color: var(--phs-text-muted);
}

.phs-status-bar strong { color: var(--phs-text); font-weight: 700; }

/* ══════════════════════════════════════════════════════════
   7. Results – Grid Layout
   ══════════════════════════════════════════════════════════ */
.phs-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
    gap: var(--phs-card-gap);
}

/* ══════════════════════════════════════════════════════════
   8. Results – List Layout
   ══════════════════════════════════════════════════════════ */
.phs-results-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ══════════════════════════════════════════════════════════
   9. Result Card (shared)
   ══════════════════════════════════════════════════════════ */
.phs-result-card {
    display: flex;
    flex-direction: column;
    background: var(--phs-bg);
    border: 1px solid var(--phs-border);
    border-radius: var(--phs-radius-md);
    overflow: hidden;
    transition: transform var(--phs-transition), box-shadow var(--phs-transition), border-color var(--phs-transition);
    box-shadow: var(--phs-shadow-sm);
}

.phs-result-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--phs-shadow-xl);
    border-color: rgba(59,130,246,.25);
}

/* Thumbnail */
.phs-result-thumb {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--phs-bg-soft);
}

.phs-result-thumb-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 16 / 9;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--phs-bg-soft) 0%, var(--phs-border) 100%);
    color: #CBD5E1;
}

/* Body */
.phs-result-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1rem 1.25rem 1.25rem;
}

.phs-result-meta {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-bottom: .4rem;
}

.phs-result-type {
    display: inline-block;
    font-size: .625rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--phs-primary);
    background: rgba(59,130,246,.08);
    padding: .15rem .5rem;
    border-radius: var(--phs-radius-sm);
}


.phs-result-title {
    margin: 0 0 .5rem;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--phs-text);
}

.phs-result-title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--phs-transition);
}

.phs-result-title a:hover { color: var(--phs-primary); }

.phs-result-excerpt {
    flex: 1;
    margin: 0 0 1rem;
    font-size: .875rem;
    line-height: 1.65;
    color: var(--phs-text-muted);
}

.phs-result-link {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    align-self: flex-start;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--phs-primary);
    text-decoration: none;
    transition: color var(--phs-transition), gap var(--phs-transition);
    margin-top: auto;
}

.phs-result-link::after { content: '→'; transition: transform var(--phs-transition); }
.phs-result-link:hover { color: var(--phs-primary-dark); }
.phs-result-link:hover::after { transform: translateX(3px); }

/* ── List card overrides ── */
.phs-layout-list .phs-result-card { flex-direction: row; }

.phs-layout-list .phs-result-thumb,
.phs-layout-list .phs-result-thumb-placeholder {
    width: 140px;
    min-width: 140px;
    aspect-ratio: 3 / 2;
}

.phs-layout-list .phs-result-body { padding: 1rem 1.25rem; }

/* ══════════════════════════════════════════════════════════
   10. Highlight
   ══════════════════════════════════════════════════════════ */
mark.phs-highlight {
    background: var(--phs-highlight-bg);
    color: var(--phs-highlight-txt);
    border-radius: 2px;
    padding: 0 2px;
    font-style: normal;
}

/* ══════════════════════════════════════════════════════════
   11. Loader
   ══════════════════════════════════════════════════════════ */
.phs-loader {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem 1rem;
}

.phs-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--phs-border);
    border-top-color: var(--phs-primary);
    border-radius: 50%;
    animation: phs-spin .75s linear infinite;
}

@keyframes phs-spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════════════════════════
   12. Empty / Error state
   ══════════════════════════════════════════════════════════ */
.phs-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--phs-text-muted);
}

.phs-empty-state svg { opacity: .25; margin-bottom: 1rem; }

.phs-empty-state p {
    font-size: 1rem;
    margin: 0;
}

/* ══════════════════════════════════════════════════════════
   13. Pagination
   ══════════════════════════════════════════════════════════ */
.phs-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: .375rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--phs-border);
}

.phs-page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 .625rem;
    font-size: .875rem;
    font-weight: 500;
    font-family: var(--phs-font);
    color: var(--phs-text);
    background: var(--phs-bg);
    border: 1.5px solid var(--phs-border);
    border-radius: var(--phs-radius-sm);
    cursor: pointer;
    transition: all var(--phs-transition);
    user-select: none;
}

.phs-page-btn:hover:not(.active):not(:disabled) {
    color: var(--phs-primary);
    border-color: var(--phs-primary);
    background: rgba(59,130,246,.06);
}

.phs-page-btn.active {
    color: #fff;
    background: var(--phs-primary);
    border-color: var(--phs-primary);
    box-shadow: var(--phs-shadow-sm);
    cursor: default;
}

.phs-page-btn:disabled {
    opacity: .35;
    cursor: default;
    pointer-events: none;
}

.phs-page-ellipsis {
    display: inline-flex;
    align-items: center;
    height: 2.25rem;
    padding: 0 .25rem;
    font-size: .875rem;
    color: var(--phs-text-muted);
    user-select: none;
}

/* ══════════════════════════════════════════════════════════
   14. Responsive
   ══════════════════════════════════════════════════════════ */
@media (max-width: 600px) {
    .phs-results-grid { grid-template-columns: 1fr; }

    .phs-layout-list .phs-result-card { flex-direction: column; }
    .phs-layout-list .phs-result-thumb,
    .phs-layout-list .phs-result-thumb-placeholder {
        width: 100%;
        min-width: 0;
        aspect-ratio: 16 / 9;
    }

    .phs-alpha-btn { min-width: 1.75rem; padding: .25rem .4rem; font-size: .75rem; }
    .phs-alpha-all { padding: .25rem .625rem; }
    .phs-alphabet-bar { gap: .175rem; padding: .625rem .75rem; }
}

/* ══════════════════════════════════════════════════════════
   15. Accessibility – Focus
   ══════════════════════════════════════════════════════════ */
.phs-alpha-btn:focus-visible,
.phs-tag-pill:focus-visible,
.phs-page-btn:focus-visible,
.phs-search-clear:focus-visible,
.phs-result-link:focus-visible,
.phs-result-title a:focus-visible {
    outline: 2px solid var(--phs-primary);
    outline-offset: 2px;
}

.phs-search-input:focus-visible {
    outline: none; /* handled by border + box-shadow */
}

/* ══════════════════════════════════════════════════════════
   16. Screen-reader only
   ══════════════════════════════════════════════════════════ */
.screen-reader-text {
    clip: rect(1px,1px,1px,1px);
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    white-space: nowrap;
}