/* إعداد الألوان والمستويات باستلهام التصميم المستهدف */
:root {
    --color-ink-navy: #0b3558;
    --color-signal-blue: #006bff;
    --color-slate-gray: #476788;
    --color-mist-gray: #a6bbd1;
    --color-cloud: #f8f9fb;
    --color-paper: #ffffff;
    --color-pebble: #f0f3f8;
    --color-hairline: #d4e0ed;
    --color-danger: #e63946;
    --color-success: #2a9d8f;

    --font-main: 'Cairo', sans-serif;
    --radius-card: 16px;
    --radius-btn: 8px;
    
    --shadow-soft: 0px 4px 10px rgba(71, 103, 136, 0.05), 0px 10px 20px rgba(71, 103, 136, 0.08);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--color-cloud);
    color: var(--color-ink-navy);
    line-height: 1.6;
}

/* القائمة العلوية */
.navbar {
    background: var(--color-paper);
    border-bottom: 1px solid var(--color-hairline);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-ink-navy);
}

.nav-tabs {
    display: flex;
    gap: 8px;
}

.nav-btn {
    background: transparent;
    border: none;
    padding: 10px 16px;
    border-radius: var(--radius-btn);
    color: var(--color-slate-gray);
    font-family: var(--font-main);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.nav-btn:hover {
    background-color: var(--color-pebble);
    color: var(--color-ink-navy);
}

.nav-btn.active {
    background-color: var(--color-ink-navy);
    color: var(--color-paper);
}

.cart-trigger {
    position: relative;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-btn);
    background: var(--color-pebble);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--color-signal-blue);
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.badge {
    background: var(--color-signal-blue);
    color: white;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 10px;
}

/* المنطقة الرئيسية */
.main-container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* الهيرو والتحكم */
.hero-section {
    text-align: center;
    margin-bottom: 30px;
}

.hero-section h1 {
    font-size: 2.2rem;
    color: var(--color-ink-navy);
}

.hero-section p {
    color: var(--color-slate-gray);
}

.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-box i {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-slate-gray);
}

.search-box input {
    width: 100%;
    padding: 10px 40px 10px 15px;
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-btn);
    font-family: var(--font-main);
}

.category-filters {
    display: flex;
    gap: 8px;
}

.filter-btn {
    border: 1px solid var(--color-hairline);
    background: var(--color-paper);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--font-main);
}

.filter-btn.active {
    background: var(--color-signal-blue);
    color: white;
    border-color: var(--color-signal-blue);
}

/* شبكة المنتجات */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--color-paper);
    border-radius: var(--radius-card);
    border: 1px solid var(--color-hairline);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
}

.product-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--color-pebble);
}

.product-info {
    padding: 16px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.product-cat {
    font-size: 0.85rem;
    color: var(--color-slate-gray);
    margin-bottom: 8px;
}

.product-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-signal-blue);
    margin-top: auto;
    margin-bottom: 12px;
}

/* أزرار العامة */
.btn {
    padding: 10px 18px;
    border-radius: var(--radius-btn);
    border: none;
    font-family: var(--font-main);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 0.2s;
}

.btn-primary {
    background: var(--color-signal-blue);
    color: white;
}

.btn-primary:hover {
    background: #0056d6;
}

.btn-secondary {
    background: var(--color-pebble);
    color: var(--color-ink-navy);
}

.btn-danger {
    background: var(--color-danger);
    color: white;
}

.btn-block {
    width: 100%;
}

/* لوحة التحليلات */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.metric-card {
    background: var(--color-paper);
    padding: 20px;
    border-radius: var(--radius-card);
    border: 1px solid var(--color-hairline);
    display: flex;
    align-items: center;
    gap: 16px;
}

.metric-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.metric-icon.blue { background: var(--color-signal-blue); }
.metric-icon.green { background: var(--color-success); }
.metric-icon.purple { background: #8a2be2; }
.metric-icon.orange { background: #f4a261; }

.metric-info span {
    font-size: 0.85rem;
    color: var(--color-slate-gray);
}

.metric-info h3 {
    font-size: 1.4rem;
}

/* جداول البيانات */
.card {
    background: var(--color-paper);
    border-radius: var(--radius-card);
    border: 1px solid var(--color-hairline);
    padding: 20px;
    box-shadow: var(--shadow-soft);
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    text-align: right;
}

.data-table th, .data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-hairline);
}

.data-table th {
    background: var(--color-cloud);
    color: var(--color-slate-gray);
    font-weight: 600;
}

/* السلة الجانبية Drawer */
.cart-overlay {
    position: fixed;
    top:0; left:0; width:100%; height:100%;
    background: rgba(0,0,0,0.4);
    display: none;
    z-index: 200;
}

.cart-drawer {
    position: fixed;
    top: 0; left: -400px;
    width: 100%;
    max-width: 380px;
    height: 100%;
    background: var(--color-paper);
    z-index: 201;
    box-shadow: 4px 0 15px rgba(0,0,0,0.1);
    transition: left 0.3s ease;
    display: flex;
    flex-direction: column;
}

.cart-drawer.open {
    left: 0;
}

.cart-header {
    padding: 20px;
    border-bottom: 1px solid var(--color-hairline);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px;
}

.cart-item {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--color-pebble);
    padding-bottom: 12px;
}

.cart-item img {
    width: 60px; height: 60px;
    object-fit: cover;
    border-radius: 8px;
}

.cart-footer {
    padding: 20px;
    border-top: 1px solid var(--color-hairline);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 15px;
}

/* النوافذ المنبثقة Modals */
.modal {
    position: fixed;
    top:0; left:0; width:100%; height:100%;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 300;
}

.modal-content {
    background: var(--color-paper);
    border-radius: var(--radius-card);
    width: 100%;
    max-width: 500px;
    padding: 24px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--color-hairline);
    border-radius: var(--radius-btn);
    font-family: var(--font-main);
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}