/* =====================================================
   TranslateXYZ — AI Providers Page
   /ai-providers/  — sidebar filter + 3-col integration grid
   ===================================================== */

/* ---------- PAGE HEADER (dark gradient · 2-col with stat cluster) ---------- */
.aip-page-header {
    background:
        radial-gradient(900px 500px at 90% -10%, rgba(48,178,48,0.20), transparent 60%),
        radial-gradient(700px 400px at 5% 110%, rgba(48,178,48,0.10), transparent 65%),
        linear-gradient(160deg, #0A1A0A 0%, #051005 100%);
    color: var(--text-on-dark);
    padding: var(--sp-9) 0 var(--sp-11);
    position: relative;
    overflow: hidden;
}
.aip-page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(48,178,48,0.06) 1px, transparent 1.5px);
    background-size: 36px 36px;
    pointer-events: none;
    opacity: 0.5;
    mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 20%, transparent 70%);
}

.aip-page-header__grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: var(--sp-9);
    align-items: center;
    position: relative;
    z-index: 1;
}

.aip-page-header__content { max-width: 620px; }

.aip-page-header h1 {
    font-size: clamp(36px, 4.4vw, 56px);
    font-weight: var(--fw-extra);
    color: var(--text-on-dark-strong);
    letter-spacing: -0.025em;
    line-height: 1.05;
    margin: var(--sp-3) 0 var(--sp-4);
}
.aip-page-header__desc {
    font-size: var(--fs-md);
    color: var(--text-on-dark-muted);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--sp-6);
}
.aip-page-header__actions {
    display: flex;
    gap: var(--sp-3);
    flex-wrap: wrap;
}
.aip-page-header__btn-outline {
    color: var(--text-on-dark);
    border-color: var(--border-dark-strong);
}
.aip-page-header__btn-outline:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
    border-color: rgba(255,255,255,0.3);
}

/* ---------- STAT CARDS CLUSTER (right column) ---------- */
.aip-stats-cluster {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
    padding: var(--sp-3) 0;
}

.aip-stat-card {
    background: var(--green-50);
    border: 1px solid var(--green-100);
    border-radius: var(--r-lg);
    padding: var(--sp-5) var(--sp-6);
    text-align: left;
    box-shadow: 0 16px 40px rgba(0,0,0,0.4), 0 2px 4px rgba(0,0,0,0.15);
    position: relative;
    transition: transform var(--t-base), box-shadow var(--t-base);
}
.aip-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 50px rgba(0,0,0,0.45), 0 4px 8px rgba(0,0,0,0.2);
}

.aip-stat-card__num {
    font-size: clamp(28px, 3vw, 36px);
    font-weight: var(--fw-extra);
    color: var(--neutral-900);
    line-height: 1;
    letter-spacing: -0.035em;
    margin-bottom: 6px;
}
.aip-stat-card__label {
    font-size: var(--fs-sm);
    color: var(--neutral-600);
    font-weight: var(--fw-medium);
}

/* Color variants */
.aip-stat-card--cyan {
    background: var(--cyan-50);
    border-color: var(--cyan-100);
}
.aip-stat-card--amber {
    background: var(--amber-50);
    border-color: var(--amber-100);
}
.aip-stat-card--green {
    background: var(--green-50);
    border-color: var(--green-100);
}

/* Triangular cluster positions:
       [   B   ]
   [ A ]
       [    C    ] */
.aip-stat-card--a {
    grid-column: 1;
    grid-row: 1;
    margin-top: var(--sp-7);
}
.aip-stat-card--b {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
}
.aip-stat-card--c {
    grid-column: 1 / -1;
    grid-row: 2;
    width: 70%;
    justify-self: start;
    margin-left: 14%;
}

/* ---------- LAYOUT ---------- */
.aip-section { padding: var(--sp-9) 0 var(--sp-12); background: var(--bg-light-subtle); }
.aip-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--sp-7);
    align-items: start;
}

/* ---------- SIDEBAR ---------- */
.aip-sidebar {
    position: sticky;
    top: calc(var(--header-h-shrunk, 64px) + var(--sp-4));
}
.aip-filter {
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--r-lg);
    padding: var(--sp-5);
    box-shadow: var(--sh-sm);
}
.aip-filter__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--sp-5);
    padding-bottom: var(--sp-4);
    border-bottom: 1px solid var(--border-light);
}
.aip-filter__title {
    font-size: var(--fs-md);
    font-weight: var(--fw-bold);
    color: var(--text-on-light-strong);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.aip-filter__title svg { width: 16px; height: 16px; color: var(--green-700); }
.aip-filter__reset {
    background: none;
    border: none;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--green-700);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 4px 8px;
    border-radius: var(--r-sm);
    transition: all var(--t-fast);
    display: none;
}
.aip-filter__reset:hover { background: var(--green-50); }
.aip-page--filtered .aip-filter__reset { display: inline-block; }

.aip-filter-group { margin-bottom: var(--sp-5); }
.aip-filter-group:last-child { margin-bottom: 0; }
.aip-filter-group__title {
    font-size: 11px;
    font-weight: var(--fw-bold);
    color: var(--text-on-light-muted);
    text-transform: uppercase;
    letter-spacing: var(--ls-wider);
    margin-bottom: var(--sp-2);
}

.aip-filter-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.aip-filter-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 8px;
    border-radius: var(--r-md);
    cursor: pointer;
    transition: background var(--t-fast);
}
.aip-filter-item:hover { background: var(--bg-light-subtle); }
.aip-filter-item input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.aip-filter-item__check {
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--border-light-strong);
    border-radius: 5px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: transparent;
    transition: all var(--t-fast);
    flex-shrink: 0;
    background: var(--bg-light);
}
.aip-filter-item__check svg {
    width: 10px;
    height: 10px;
    stroke-width: 3;
}
.aip-filter-item input:checked ~ .aip-filter-item__check {
    background: var(--green-500);
    border-color: var(--green-500);
    color: #fff;
}
.aip-filter-item input:focus-visible ~ .aip-filter-item__check {
    box-shadow: var(--sh-focus);
}

.aip-filter-item__icon {
    width: 22px;
    height: 22px;
    border-radius: 5px;
    flex-shrink: 0;
    object-fit: cover;
}
.aip-filter-item__name {
    flex: 1;
    font-size: var(--fs-sm);
    color: var(--text-on-light);
    font-weight: var(--fw-medium);
    line-height: 1.3;
}
.aip-filter-item input:checked ~ .aip-filter-item__name {
    color: var(--text-on-light-strong);
    font-weight: var(--fw-semibold);
}
.aip-filter-item__count {
    font-size: 11px;
    font-weight: var(--fw-semibold);
    color: var(--text-on-light-muted);
    background: var(--bg-light-subtle);
    border: 1px solid var(--border-light);
    padding: 1px 8px;
    border-radius: var(--r-pill);
    min-width: 22px;
    text-align: center;
}

/* ---------- MAIN CONTENT ---------- */
.aip-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
    margin-bottom: var(--sp-5);
    flex-wrap: wrap;
}
.aip-results-count {
    font-size: var(--fs-md);
    color: var(--text-on-light);
}
.aip-results-count strong {
    color: var(--text-on-light-strong);
    font-weight: var(--fw-bold);
}

.aip-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);
}

/* ---------- CARD ---------- */
.aip-card {
    display: block;
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--r-lg);
    padding: var(--sp-6);
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
    transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
    isolation: isolate;
}
.aip-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--green-50), transparent 60%);
    opacity: 0;
    transition: opacity var(--t-base);
    z-index: -1;
}
.aip-card:hover {
    transform: translateY(-3px);
    border-color: var(--green-500);
    box-shadow: 0 16px 36px rgba(48,178,48,0.12), 0 4px 8px rgba(15,30,15,0.05);
}
.aip-card:hover::before { opacity: 1; }
.aip-card.is-hidden { display: none; }

/* Hover arrow (top-right) */
.aip-card__arrow {
    position: absolute;
    top: var(--sp-4);
    right: var(--sp-4);
    width: 32px;
    height: 32px;
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-on-light-muted);
    transition: all var(--t-base);
    transform: translateY(-3px) scale(0.85);
    opacity: 0;
}
.aip-card:hover .aip-card__arrow {
    opacity: 1;
    transform: translateY(0) scale(1);
    background: var(--green-500);
    color: #fff;
    border-color: var(--green-500);
    box-shadow: 0 4px 12px rgba(48,178,48,0.4);
}
.aip-card__arrow svg { width: 14px; height: 14px; }

/* Icons row */
.aip-card__icons {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    margin-bottom: var(--sp-5);
}
.aip-card__icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 1px solid var(--border-light);
    background: var(--bg-light);
    box-shadow: var(--sh-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    transition: border-color var(--t-base);
}
.aip-card:hover .aip-card__icon-wrap {
    border-color: var(--green-200);
}
.aip-card__icon-wrap img {
    width: 70%;
    height: 70%;
    object-fit: contain;
    border-radius: 50%;
}
.aip-card__plus {
    color: var(--text-on-light-muted);
    font-size: 18px;
    font-weight: var(--fw-bold);
    user-select: none;
}

/* Title + desc */
.aip-card__title {
    font-size: var(--fs-md);
    font-weight: var(--fw-extra);
    color: var(--text-on-light-strong);
    margin-bottom: var(--sp-2);
    line-height: 1.25;
    letter-spacing: -0.01em;
}
.aip-card__desc {
    font-size: var(--fs-sm);
    color: var(--text-on-light);
    line-height: var(--lh-relaxed);
}

/* ---------- EMPTY STATE ---------- */
.aip-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--sp-11) var(--sp-6);
    background: var(--bg-light);
    border: 1px dashed var(--border-light-strong);
    border-radius: var(--r-lg);
}
.aip-empty__icon {
    width: 72px;
    height: 72px;
    background: var(--amber-50);
    color: var(--amber-700);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--sp-5);
}
.aip-empty__icon svg { width: 32px; height: 32px; }
.aip-empty__title {
    font-size: var(--fs-xl);
    font-weight: var(--fw-extra);
    color: var(--text-on-light-strong);
    margin-bottom: var(--sp-3);
    letter-spacing: -0.015em;
}
.aip-empty__text {
    font-size: var(--fs-md);
    color: var(--text-on-light);
    line-height: var(--lh-relaxed);
    max-width: 480px;
    margin: 0 auto var(--sp-6);
}
.aip-empty__actions {
    display: inline-flex;
    gap: var(--sp-3);
    flex-wrap: wrap;
    justify-content: center;
}

/* ---------- BOTTOM CTA BANNER ---------- */
.aip-cta {
    margin-top: var(--sp-12);
    background:
        radial-gradient(800px 300px at 80% 0%, rgba(48,178,48,0.18), transparent 60%),
        linear-gradient(140deg, var(--green-900) 0%, #051005 100%);
    border-radius: var(--r-xl);
    padding: var(--sp-9) var(--sp-10);
    color: var(--text-on-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-6);
    overflow: hidden;
    position: relative;
}
.aip-cta__text { flex: 1; }
.aip-cta__title {
    font-size: var(--fs-2xl);
    font-weight: var(--fw-extra);
    color: var(--text-on-dark-strong);
    margin-bottom: var(--sp-2);
    letter-spacing: var(--ls-tighter);
}
.aip-cta__desc {
    font-size: var(--fs-md);
    color: var(--text-on-dark-muted);
    max-width: 520px;
}
.aip-cta__actions {
    display: flex;
    gap: var(--sp-3);
    flex-wrap: wrap;
    flex-shrink: 0;
}
.aip-cta .btn-outline {
    color: #fff;
    border-color: rgba(255,255,255,0.35);
}
.aip-cta .btn-outline:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.6);
    color: #fff;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
    .aip-layout {
        grid-template-columns: 1fr;
        gap: var(--sp-6);
    }
    .aip-sidebar { position: static; }
    .aip-grid { grid-template-columns: repeat(2, 1fr); }
    .aip-cta {
        flex-direction: column;
        text-align: center;
        padding: var(--sp-8);
    }
    .aip-cta__actions { justify-content: center; }
}

@media (max-width: 1024px) {
    .aip-page-header__grid {
        grid-template-columns: 1fr;
        gap: var(--sp-7);
    }
    .aip-page-header__content { max-width: 100%; }
    .aip-stats-cluster {
        max-width: 480px;
        margin: 0;
    }
}

@media (max-width: 768px) {
    .aip-page-header { padding: var(--sp-8) 0 var(--sp-9); }
    .aip-page-header h1 { font-size: var(--fs-3xl); }
    .aip-stats-cluster {
        grid-template-columns: 1fr 1fr;
        gap: var(--sp-3);
    }
    .aip-stat-card { padding: var(--sp-4) var(--sp-5); }
    .aip-stat-card__num { font-size: var(--fs-2xl); }
    .aip-stat-card--a { margin-top: var(--sp-5); }
    .aip-stat-card--c {
        width: 100%;
        margin-left: 0;
        justify-self: stretch;
    }
}

@media (max-width: 640px) {
    .aip-grid { grid-template-columns: 1fr; }
    .aip-cta__title { font-size: var(--fs-xl); }
}