/* =========================================
   Sales Management System - Premium Design
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&family=Tajawal:wght@300;400;500;700;800&display=swap');

:root {
    /* Color Palette */
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --primary-dark: #3730a3;
    --primary-glow: rgba(79, 70, 229, 0.15);

    --accent: #06b6d4;
    --accent-light: #22d3ee;
    --accent-dark: #0891b2;

    --success: #10b981;
    --success-light: #34d399;
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --danger: #ef4444;
    --danger-light: #f87171;

    /* Dark Theme */
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #16213e;
    --bg-card-hover: #1a2744;
    --bg-input: #0d1b2a;
    --bg-modal: rgba(15, 15, 26, 0.95);

    --border: rgba(99, 102, 241, 0.15);
    --border-hover: rgba(99, 102, 241, 0.35);
    --border-focus: rgba(99, 102, 241, 0.6);

    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-bright: #f8fafc;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(79, 70, 229, 0.15);

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

/* =========================================
   Reset & Base
   ========================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', 'Tajawal', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    direction: rtl;
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background decorations */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    right: -20%;
    width: 80vw;
    height: 80vw;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    bottom: -30%;
    left: -20%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* =========================================
   Scrollbar
   ========================================= */

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* =========================================
   Layout
   ========================================= */

.app-container {
    position: relative;
    z-index: 1;
}

/* =========================================
   Header / Navbar
   ========================================= */

.navbar {
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.navbar-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-bright);
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

.brand-text h1 {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-bright), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-text span {
    font-size: 0.7rem;
    color: var(--text-muted);
    display: block;
    margin-top: -2px;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    background: none;
    position: relative;
}

.nav-link:hover {
    color: var(--text-bright);
    background: rgba(99, 102, 241, 0.1);
}

.nav-link.active {
    color: var(--primary-light);
    background: var(--primary-glow);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

.nav-link i {
    font-size: 1.1rem;
}

/* =========================================
   Main Content
   ========================================= */

.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.page-section {
    display: none;
    animation: fadeInUp 0.4s ease;
}

.page-section.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================================
   Stats Cards (Dashboard)
   ========================================= */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 80px;
    border-radius: 0 0 0 80px;
    opacity: 0.1;
}

.stat-card:nth-child(1)::before {
    background: var(--primary);
}

.stat-card:nth-child(2)::before {
    background: var(--accent);
}

.stat-card:nth-child(3)::before {
    background: var(--success);
}

.stat-card:nth-child(4)::before {
    background: var(--warning);
}

.stat-card:nth-child(5)::before {
    background: var(--danger);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.stat-card:nth-child(1) .stat-icon {
    background: rgba(79, 70, 229, 0.15);
    color: var(--primary-light);
}

.stat-card:nth-child(2) .stat-icon {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-light);
}

.stat-card:nth-child(3) .stat-icon {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-light);
}

.stat-card:nth-child(4) .stat-icon {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning-light);
}

.stat-card:nth-child(5) .stat-icon {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger-light);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-bright);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* =========================================
   Search Section
   ========================================= */

.search-section {
    margin-bottom: 2rem;
}

.search-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 1.5rem 2rem;
    transition: var(--transition);
    position: relative;
}

.search-box:focus-within {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-glow);
}

.search-input-group {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
}

.search-input-group i.search-icon {
    font-size: 1.4rem;
    color: var(--primary-light);
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    background: none;
    border: none;
    outline: none;
    font-size: 1.15rem;
    color: var(--text-bright);
    font-family: inherit;
    font-weight: 500;
}

.search-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

.search-filters {
    display: flex;
    gap: 10px;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.filter-select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    padding: 8px 14px;
    font-size: 0.85rem;
    font-family: inherit;
    outline: none;
    cursor: pointer;
    transition: var(--transition);
    min-width: 150px;
}

.filter-select:focus {
    border-color: var(--border-focus);
}

.search-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: 8px 24px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

/* Autocomplete dropdown */
.autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 50;
    max-height: 350px;
    overflow-y: auto;
    display: none;
}

.autocomplete-dropdown.show {
    display: block;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.autocomplete-item {
    padding: 10px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-fast);
    border-bottom: 1px solid rgba(99, 102, 241, 0.05);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover {
    background: var(--primary-glow);
}

.autocomplete-item .ac-type {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 600;
    flex-shrink: 0;
}

.ac-type.product {
    background: rgba(79, 70, 229, 0.15);
    color: var(--primary-light);
}

.ac-type.category {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-light);
}

.ac-type.car {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-light);
}

.ac-type.code {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning-light);
}

.ac-type.suggestion {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger-light);
}

.autocomplete-item .ac-text {
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* =========================================
   Suggestions Banner (Did you mean?)
   ========================================= */

.suggestions-banner {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(239, 68, 68, 0.05));
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: var(--radius-lg);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    display: none;
    animation: fadeInUp 0.3s ease;
}

.suggestions-banner.show {
    display: block;
}

.suggestions-banner h4 {
    color: var(--warning-light);
    font-size: 0.95rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.suggestions-banner h4 i {
    font-size: 1.1rem;
}

.suggestion-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.suggestion-chip {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 0.85rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.suggestion-chip:hover {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--warning);
    transform: translateY(-1px);
}

/* =========================================
   Results Table
   ========================================= */

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 10px;
}

.results-count {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.results-count span {
    color: var(--primary-light);
    font-weight: 700;
}

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--bg-card);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.data-table thead th {
    background: rgba(79, 70, 229, 0.08);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 14px 16px;
    text-align: right;
    white-space: nowrap;
    border-bottom: 1px solid var(--border);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr {
    transition: var(--transition-fast);
    border-bottom: 1px solid rgba(99, 102, 241, 0.05);
}

.data-table tbody tr:hover {
    background: rgba(79, 70, 229, 0.05);
}

.data-table tbody td {
    padding: 12px 16px;
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table .product-name {
    font-weight: 500;
    max-width: 350px;
}

.data-table .price-cell {
    font-weight: 700;
    color: var(--success-light);
    font-size: 1rem;
    direction: ltr;
    text-align: center;
    white-space: nowrap;
}

.data-table .quantity-cell {
    text-align: center;
    font-weight: 600;
}

.data-table .quantity-cell.in-stock {
    color: var(--success-light);
}

.data-table .quantity-cell.out-stock {
    color: var(--danger-light);
}

.data-table .code-cell {
    font-family: 'Cascadia Code', 'Consolas', monospace;
    font-size: 0.8rem;
    color: var(--accent-light);
    direction: ltr;
}

.data-table .brand-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-light);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.data-table .category-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-light);
    border: 1px solid rgba(79, 70, 229, 0.2);
}

/* Add to invoice button */
.btn-add-invoice {
    background: none;
    border: 1px solid var(--border);
    color: var(--primary-light);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-add-invoice:hover {
    background: var(--primary-glow);
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* =========================================
   Invoice Section
   ========================================= */

.invoice-layout {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .invoice-layout {
        grid-template-columns: 1fr;
    }
}

.invoice-search-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.invoice-search-panel h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.invoice-search-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    color: var(--text-bright);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
    margin-bottom: 1rem;
}

.invoice-search-input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.invoice-search-results {
    max-height: 400px;
    overflow-y: auto;
}

.invoice-product-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    cursor: pointer;
    border: 1px solid transparent;
    margin-bottom: 4px;
}

.invoice-product-item:hover {
    background: var(--primary-glow);
    border-color: var(--border-hover);
}

.invoice-product-info {
    flex: 1;
    min-width: 0;
}

.invoice-product-info .p-name {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.invoice-product-info .p-details {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.invoice-product-price {
    font-weight: 700;
    color: var(--success-light);
    font-size: 0.95rem;
    flex-shrink: 0;
    margin-right: 12px;
}

/* Invoice Preview */
.invoice-preview {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    position: sticky;
    top: 90px;
}

.invoice-header-section {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px dashed var(--border);
}

.invoice-header-section h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 4px;
}

.invoice-header-section .invoice-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.invoice-customer-fields {
    display: grid;
    gap: 10px;
    margin-bottom: 1.2rem;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.field-group label {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 600;
}

.field-group input,
.field-group textarea {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    color: var(--text-bright);
    font-family: inherit;
    font-size: 0.88rem;
    outline: none;
    transition: var(--transition);
}

.field-group input:focus,
.field-group textarea:focus {
    border-color: var(--border-focus);
}

.field-group textarea {
    resize: none;
    height: 60px;
}

/* Invoice Items List */
.invoice-items-list {
    margin-bottom: 1rem;
    max-height: 300px;
    overflow-y: auto;
}

.invoice-item-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: rgba(79, 70, 229, 0.03);
    border-radius: var(--radius-sm);
    margin-bottom: 6px;
    border: 1px solid rgba(99, 102, 241, 0.05);
    transition: var(--transition-fast);
}

.invoice-item-row:hover {
    background: rgba(79, 70, 229, 0.06);
}

.invoice-item-row .item-name {
    flex: 1;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.invoice-item-row input.qty-input {
    width: 55px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 4px 6px;
    color: var(--text-bright);
    font-family: inherit;
    font-size: 0.82rem;
    text-align: center;
    outline: none;
}

.invoice-item-row input.qty-input:focus {
    border-color: var(--primary);
}

.invoice-item-row .item-price {
    font-weight: 600;
    color: var(--success-light);
    font-size: 0.85rem;
    min-width: 70px;
    text-align: left;
    direction: ltr;
}

.invoice-item-row .item-total {
    font-weight: 700;
    color: var(--text-bright);
    font-size: 0.85rem;
    min-width: 80px;
    text-align: left;
    direction: ltr;
}

.btn-remove-item {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: var(--transition-fast);
    font-size: 1rem;
    flex-shrink: 0;
}

.btn-remove-item:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* Invoice Total */
.invoice-total-section {
    border-top: 2px dashed var(--border);
    padding-top: 1rem;
    margin-top: 1rem;
}

.invoice-total-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 0;
}

.invoice-total-row.grand-total {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-bright);
    padding-top: 10px;
}

.invoice-total-row .total-label {
    color: var(--text-secondary);
}

.invoice-total-row .total-value {
    color: var(--success-light);
    font-weight: 700;
    direction: ltr;
}

.invoice-total-row.grand-total .total-value {
    color: var(--accent-light);
    font-size: 1.4rem;
}

/* Invoice Actions */
.invoice-actions {
    display: flex;
    gap: 10px;
    margin-top: 1.2rem;
}

.btn {
    flex: 1;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.btn-secondary {
    background: rgba(99, 102, 241, 0.08);
    color: var(--primary-light);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--primary);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-light);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), var(--success));
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

/* =========================================
   Invoices List
   ========================================= */

.invoices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
}

.invoice-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
    cursor: pointer;
}

.invoice-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.invoice-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.invoice-card-number {
    font-weight: 700;
    color: var(--primary-light);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.invoice-card-status {
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-light);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.invoice-card-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.85rem;
}

.invoice-card-body .info-row {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
}

.invoice-card-body .info-row i {
    color: var(--text-muted);
    width: 18px;
}

.invoice-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.invoice-card-total {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent-light);
    direction: ltr;
}

.invoice-card-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.btn-icon:hover {
    background: var(--primary-glow);
    color: var(--primary-light);
    border-color: var(--primary);
}

.btn-icon.danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-light);
    border-color: var(--danger);
}

/* =========================================
   Modal
   ========================================= */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-overlay.show {
    display: flex;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    animation: modalSlideUp 0.3s ease;
}

@keyframes modalSlideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.modal-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-bright);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-color: var(--danger);
}

/* =========================================
   Print Styles
   ========================================= */

.print-invoice {
    display: none;
}

@media print {
    body {
        background: white !important;
        color: #000 !important;
        direction: rtl;
    }

    .navbar,
    .main-content {
        display: none !important;
    }

    .print-invoice {
        display: block !important;
        padding: 20px;
        font-family: 'Cairo', sans-serif;
        color: #000;
    }

    .print-invoice .print-header {
        text-align: center;
        border-bottom: 2px solid #000;
        padding-bottom: 10px;
        margin-bottom: 20px;
    }

    .print-invoice table {
        width: 100%;
        border-collapse: collapse;
    }

    .print-invoice th,
    .print-invoice td {
        border: 1px solid #333;
        padding: 8px;
        text-align: right;
    }

    .print-invoice th {
        background: #eee;
        font-weight: 700;
    }

    .print-invoice .print-total {
        text-align: left;
        font-size: 1.3rem;
        font-weight: 700;
        margin-top: 20px;
    }
}

/* =========================================
   Empty State
   ========================================= */

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* =========================================
   Loading
   ========================================= */

.loading-spinner {
    display: inline-block;
    width: 22px;
    height: 22px;
    border: 3px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 3rem;
    color: var(--text-muted);
}

/* =========================================
   Toast Notifications
   ========================================= */

.toast-container {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    min-width: 300px;
}

.toast.success {
    border-color: rgba(16, 185, 129, 0.3);
}

.toast.error {
    border-color: rgba(239, 68, 68, 0.3);
}

.toast.info {
    border-color: rgba(79, 70, 229, 0.3);
}

.toast i {
    font-size: 1.2rem;
}

.toast.success i {
    color: var(--success);
}

.toast.error i {
    color: var(--danger);
}

.toast.info i {
    color: var(--primary);
}

.toast .toast-msg {
    font-size: 0.88rem;
    color: var(--text-primary);
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes toastOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

/* =========================================
   Responsive
   ========================================= */

@media (max-width: 768px) {
    .navbar {
        padding: 0 1rem;
    }

    .navbar-inner {
        flex-direction: column;
        height: auto;
        padding: 15px 0 10px 0;
        gap: 12px;
    }

    .navbar-brand {
        width: 100%;
        justify-content: center;
    }

    .navbar-nav {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 8px;
    }

    .nav-link {
        flex: 1;
        justify-content: center;
        padding: 8px 10px;
        font-size: 0.8rem;
    }

    .main-content {
        padding: 1rem 0.5rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
    }

    .stat-card {
        padding: 1rem;
    }

    .stat-card .stat-value {
        font-size: 1.5rem;
    }

    .search-box {
        padding: 1rem;
    }

    .search-input-group {
        flex-direction: column;
        align-items: stretch;
    }

    .search-input-group i.search-icon {
        display: none;
    }

    .search-input {
        padding: 8px 12px;
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        text-align: center;
    }

    .search-btn {
        width: 100%;
        justify-content: center;
    }

    .search-filters {
        flex-direction: column;
        gap: 8px;
    }

    .filter-select {
        width: 100%;
    }

    .invoice-layout {
        grid-template-columns: 1fr;
    }

    .data-table {
        font-size: 0.8rem;
    }

    .data-table td,
    .data-table th {
        padding: 8px 10px;
    }

    .invoice-actions {
        flex-direction: column;
    }

    .invoices-grid {
        grid-template-columns: 1fr;
    }

    .toast-container {
        width: 90%;
        top: 20px;
    }

    .toast {
        min-width: unset;
        width: 100%;
    }

    /* Fix invoice items on mobile */
    .invoice-item-row {
        flex-wrap: wrap;
    }

    .invoice-item-row .item-name {
        width: 100%;
        flex: 0 0 100%;
        margin-bottom: 5px;
        white-space: normal;
    }

    .invoice-item-row input.qty-input {
        width: 60px;
    }

    .invoice-item-row .item-price,
    .invoice-item-row .item-total {
        min-width: unset;
        font-size: 0.8rem;
    }

    .btn-remove-item {
        margin-right: auto;
    }
}