/* 
 * Letgo Stok & Vitrin Takip Sistemi - Modern CSS Styling
 * Matching modern ecommerce marketplace showcases (hemenkullan.com.tr/stok)
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@500;600;700;800&display=swap');

:root {
    --primary: #ff385c;
    --primary-hover: #e02447;
    --primary-light: #fff0f3;
    --secondary-900: #0f172a;
    --secondary-800: #1e293b;
    --secondary-700: #334155;
    --secondary-600: #475569;
    --secondary-400: #94a3b8;
    --secondary-100: #f1f5f9;
    --bg-main: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --info: #0284c7;
    --info-light: #e0f2fe;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 14px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--secondary-900);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Header & Navigation Bar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.85rem 1.5rem;
}

.nav-container {
    max-width: 1320px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--secondary-900);
}

.brand-badge {
    background: linear-gradient(135deg, var(--primary), #e11d48);
    color: #ffffff;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    letter-spacing: -0.5px;
    box-shadow: 0 4px 12px rgba(255, 56, 92, 0.25);
}

.brand-title {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.3px;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--secondary-600);
    font-weight: 500;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.6rem 1.1rem;
    border-radius: 9999px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 56, 92, 0.3);
}

.btn-outline {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--secondary-800);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background-color: var(--primary-light);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
}

/* Stats Hero Bar */
.hero-stats {
    max-width: 1320px;
    margin: 1.5rem auto 1rem;
    padding: 0 1.5rem;
}

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

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.1rem 1.4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.stat-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-400);
}

.stat-info .stat-label {
    font-size: 0.8rem;
    color: var(--secondary-600);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-info .stat-value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--secondary-900);
    line-height: 1.2;
    margin-top: 0.15rem;
}

.stat-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-icon.red { background: var(--primary-light); color: var(--primary); }
.stat-icon.green { background: var(--success-light); color: var(--success); }
.stat-icon.amber { background: var(--warning-light); color: var(--warning); }
.stat-icon.blue { background: var(--info-light); color: var(--info); }

/* Main Container & Toolbar */
.main-wrapper {
    max-width: 1320px;
    margin: 0 auto 3rem;
    padding: 0 1.5rem;
}

.toolbar-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
}

.toolbar-flex {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
}

.search-input-wrapper {
    position: relative;
    flex: 1 1 280px;
}

.search-input-wrapper svg {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    width: 18px;
    height: 18px;
}

.search-input {
    width: 100%;
    height: 44px;
    padding: 0.6rem 1rem 0.6rem 2.75rem;
    border-radius: 9999px;
    border: 1px solid var(--border-color);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--secondary-900);
    background-color: var(--card-bg);
    outline: none;
    transition: var(--transition);
}
.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 56, 92, 0.15);
}

.filter-select {
    height: 44px;
    padding: 0 1.2rem;
    border-radius: 9999px;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary-800);
    outline: none;
    cursor: pointer;
    transition: var(--transition);
}
.filter-select:hover, .filter-select:focus {
    border-color: var(--primary);
}

/* Category Tabs */
.category-tabs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.5rem 0 1rem;
    margin-bottom: 1rem;
    scrollbar-width: thin;
}

.cat-tab {
    padding: 0.5rem 1.1rem;
    border-radius: 9999px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary-700);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}
.cat-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.cat-tab.active {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(255, 56, 92, 0.2);
}

/* Product Showcase Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
}

.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: var(--transition);
}
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 56, 92, 0.3);
}

.card-img-wrapper {
    position: relative;
    width: 100%;
    height: 240px;
    background-color: #f1f5f9;
    overflow: hidden;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.product-card:hover .card-img-wrapper img {
    transform: scale(1.06);
}

/* Badges on Card */
.top-badges-bar {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    right: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
    z-index: 5;
    pointer-events: none;
}

.badge-stack {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.25rem 0.55rem;
    border-radius: 9999px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.badge-featured {
    background-color: var(--warning);
    color: var(--secondary-900);
}
.badge-info {
    background-color: var(--info);
    color: #ffffff;
}

.bottom-badges-bar {
    position: absolute;
    bottom: 0.75rem;
    left: 0.75rem;
    right: 0.75rem;
    display: flex;
    gap: 0.4rem;
    z-index: 5;
}

.bottom-badge {
    flex: 1;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    border-radius: 9999px;
    padding: 0.35rem 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--secondary-900);
    box-shadow: var(--shadow-sm);
}

/* Card Body */
.card-body {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
}

.card-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.4rem;
}

.card-price {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--secondary-900);
    letter-spacing: -0.3px;
}

.card-installment {
    font-size: 0.7rem;
    font-weight: 700;
    background-color: #fce7f3;
    color: #be185d;
    padding: 0.2rem 0.5rem;
    border-radius: 9999px;
}

.card-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary-800);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0.8rem;
}

.card-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.6rem;
    border-top: 1px solid var(--secondary-100);
}

.stock-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
}
.stock-tag.in-stock { color: var(--success); }
.stock-tag.sold { color: #ef4444; }

.card-actions {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* Modal Windows */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(6px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    max-width: 720px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0,0,0,0.25);
    padding: 1.75rem;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}
.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close-btn {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--secondary-100);
    border: none;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--secondary-700);
    transition: var(--transition);
}
.modal-close-btn:hover {
    background: var(--primary);
    color: #ffffff;
}

.modal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
@media (max-width: 640px) {
    .modal-grid { grid-template-columns: 1fr; }
}

.modal-img-preview {
    width: 100%;
    height: 320px;
    border-radius: var(--radius-md);
    object-fit: cover;
}

.log-item {
    padding: 0.75rem;
    border-bottom: 1px solid var(--secondary-100);
    font-size: 0.85rem;
}
.log-time {
    font-size: 0.75rem;
    color: var(--secondary-400);
}

/* Pulse indicator */
.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulse 1.6s infinite;
}
@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}