/* ===== Smart Search AI — Frontend Styles ===== */
/* @version 1.0.1 — Fixed: direction is now class-based */

/* CSS Variables */
.ssai-app {
    --ssai-bg: #f7f9fc;
    --ssai-surface: #ffffff;
    --ssai-surface-2: #f0f4f8;
    --ssai-text: #1a202c;
    --ssai-text-secondary: #64748b;
    --ssai-border: #e2e8f0;
    --ssai-primary: #075E54;
    --ssai-primary-hover: #0a7a6d;
    --ssai-accent: #25D366;
    --ssai-accent-hover: #1fb855;
    --ssai-danger: #EF5350;
    --ssai-success: #10B981;
    --ssai-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    --ssai-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --ssai-radius: 16px;
    --ssai-radius-sm: 10px;

    font-family: -apple-system, BlinkSystemFont, 'Segoe UI', Tahoma, sans-serif;
    /* ✅ FIXED: direction is class-based, not hardcoded */
    background: var(--ssai-bg);
    color: var(--ssai-text);
    max-width: 900px;
    margin: 30px auto;
    padding: 0 15px;
    transition: background 0.3s ease, color 0.3s ease;
}

/* ✅ FIXED: RTL support via class */
.ssai-app.ssai-rtl { direction: rtl; }
.ssai-app.ssai-ltr { direction: ltr; }

/* Default: RTL for Persian/Arabic */
.ssai-app:not(.ssai-ltr) { direction: rtl; }

/* Dark Mode */
.ssai-app.ssai-dark {
    --ssai-bg: #0f1419;
    --ssai-surface: #1a1f2e;
    --ssai-surface-2: #242b3d;
    --ssai-text: #e2e8f0;
    --ssai-text-secondary: #94a3b8;
    --ssai-border: #2d3748;
    --ssai-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --ssai-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* Header */
.ssai-header {
    background: var(--ssai-surface);
    border-radius: var(--ssai-radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--ssai-shadow);
    border: 1px solid var(--ssai-border);
}

.ssai-header-content {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ssai-logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--ssai-primary) 0%, var(--ssai-accent) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.ssai-logo svg { width: 30px; height: 30px; }

.ssai-title-group { flex: 1; }

.ssai-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--ssai-text);
    margin: 0 0 6px;
}

.ssai-subtitle {
    font-size: 14px;
    color: var(--ssai-text-secondary);
    margin: 0;
}

.ssai-theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--ssai-surface-2);
    border: 1px solid var(--ssai-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ssai-text);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.ssai-theme-toggle:hover {
    transform: rotate(20deg) scale(1.1);
    background: var(--ssai-primary);
    color: #fff;
}

.ssai-app.ssai-dark .ssai-icon-sun { display: none; }
.ssai-app:not(.ssai-dark) .ssai-icon-moon { display: none; }
.ssai-theme-toggle svg { width: 20px; height: 20px; }

/* Search Box */
.ssai-search-box {
    background: var(--ssai-surface);
    border-radius: var(--ssai-radius);
    padding: 16px;
    box-shadow: var(--ssai-shadow);
    border: 1px solid var(--ssai-border);
    margin-bottom: 20px;
}

.ssai-input-wrapper {
    display: flex;
    gap: 10px;
    align-items: center;
}

.ssai-input {
    flex: 1;
    padding: 14px 18px;
    border: 2px solid var(--ssai-border);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: all 0.3s ease;
    background: var(--ssai-surface-2);
    color: var(--ssai-text);
}

.ssai-input:focus {
    border-color: var(--ssai-accent);
    background: var(--ssai-surface);
    box-shadow: 0 0 0 4px rgba(37, 211, 102, 0.1);
}

.ssai-search-btn {
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--ssai-primary) 0%, #128C7E 100%);
    color: #fff;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.ssai-search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(7, 94, 84, 0.4);
}

.ssai-search-btn svg { width: 18px; height: 18px; }

/* Results */
.ssai-results { display: none; }
.ssai-results.show {
    display: block;
    animation: ssaiFadeIn 0.4s ease;
}

@keyframes ssaiFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.ssai-results-header {
    background: linear-gradient(135deg, #E8F5E9 0%, #C8E6C9 100%);
    padding: 14px 20px;
    border-radius: 12px;
    margin-bottom: 16px;
    font-size: 15px;
    font-weight: 600;
    color: #075E54;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.ssai-app.ssai-dark .ssai-results-header {
    background: linear-gradient(135deg, #1b3a2a, #0f2819);
    color: #25D366;
}

.ssai-count-badge {
    background: var(--ssai-primary);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
}

.ssai-time {
    font-size: 12px;
    color: var(--ssai-text-secondary);
    margin-right: auto;
}

.ssai-results-grid { display: grid; gap: 14px; }

/* Product Card */
.ssai-product-card {
    background: var(--ssai-surface);
    border-radius: var(--ssai-radius);
    overflow: hidden;
    display: flex;
    gap: 16px;
    padding: 14px;
    box-shadow: var(--ssai-shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--ssai-border);
    animation: ssaiCardIn 0.4s ease backwards;
}

@keyframes ssaiCardIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.ssai-product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--ssai-shadow-lg);
}

.ssai-product-image {
    position: relative;
    width: 110px;
    height: 110px;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
    background: var(--ssai-surface-2);
}

.ssai-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.ssai-product-card:hover .ssai-product-image img {
    transform: scale(1.05);
}

.ssai-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 700;
}

.ssai-badge-in { background: var(--ssai-success); color: #fff; }
.ssai-badge-out { background: var(--ssai-danger); color: #fff; }

.ssai-product-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-width: 0;
}

.ssai-product-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--ssai-text);
    margin: 0 0 6px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ssai-product-sku {
    font-size: 12px;
    color: var(--ssai-text-secondary);
    margin-bottom: 6px;
}

.ssai-product-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--ssai-accent);
    margin-bottom: 10px;
}

.ssai-view-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: linear-gradient(135deg, var(--ssai-primary) 0%, #128C7E 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.ssai-view-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(7, 94, 84, 0.3);
    color: #fff;
}

/* Skeleton Loading */
.ssai-skeleton-grid { display: grid; gap: 14px; }

.ssai-skeleton-card {
    background: var(--ssai-surface);
    border-radius: var(--ssai-radius);
    padding: 14px;
    display: flex;
    gap: 16px;
    border: 1px solid var(--ssai-border);
}

.ssai-skeleton-image {
    width: 110px;
    height: 110px;
    border-radius: 12px;
    background: linear-gradient(90deg, var(--ssai-surface-2) 25%, var(--ssai-border) 50%, var(--ssai-surface-2) 75%);
    background-size: 200% 100%;
    animation: ssaiShimmer 1.5s infinite;
    flex-shrink: 0;
}

.ssai-skeleton-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ssai-skeleton-line {
    height: 14px;
    border-radius: 6px;
    background: linear-gradient(90deg, var(--ssai-surface-2) 25%, var(--ssai-border) 50%, var(--ssai-surface-2) 75%);
    background-size: 200% 100%;
    animation: ssaiShimmer 1.5s infinite;
}

.ssai-skeleton-title { width: 80%; height: 16px; }
.ssai-skeleton-price { width: 40%; height: 18px; }
.ssai-skeleton-btn { width: 30%; height: 36px; border-radius: 10px; }

@keyframes ssaiShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Error */
.ssai-error {
    text-align: center;
    padding: 40px 20px;
    background: var(--ssai-surface);
    border-radius: var(--ssai-radius);
    box-shadow: var(--ssai-shadow);
    border: 1px solid var(--ssai-border);
    color: var(--ssai-danger);
}

.ssai-error svg { margin-bottom: 12px; }
.ssai-error p { margin: 0; font-size: 14px; line-height: 1.6; }

/* Responsive */
@media (max-width: 768px) {
    .ssai-app { margin: 15px auto; }
    .ssai-header-content { flex-wrap: wrap; }
    .ssai-title { font-size: 18px; }
    .ssai-subtitle { font-size: 12px; }
    .ssai-input-wrapper { flex-wrap: wrap; }
    .ssai-input { width: 100%; order: 3; }
    .ssai-search-btn { flex: 1; justify-content: center; }
    .ssai-product-card { flex-direction: column; gap: 12px; }
    .ssai-product-image { width: 100%; height: 180px; }
    .ssai-view-btn { width: 100%; justify-content: center; box-sizing: border-box; }
}

@media (max-width: 480px) {
    .ssai-title { font-size: 16px; }
    .ssai-logo { width: 50px; height: 50px; }
    .ssai-logo svg { width: 24px; height: 24px; }
}