/* Import Noto Arabic Kufi for Kurdish language support */
@import url('https://fonts.googleapis.com/css2?family=Noto+Kufi+Arabic:wght@100..900&display=swap');

/* Shipping Company Design System - Fast & Simple Orange Theme */
:root {
    /* Shipping Company Color Palette - High Performance */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #404040;
    --bg-card: rgba(45, 45, 45, 0.95);
    --bg-glass: rgba(255, 138, 31, 0.12);
    --bg-glass-hover: rgba(255, 138, 31, 0.20);
    
    /* Shipping Orange Gradients - Fast Loading */
    --gradient-primary: linear-gradient(135deg, #ff8a1f 0%, #ff6b35 100%);
    --gradient-shipping: linear-gradient(90deg, #ff8a1f 0%, #ff6b35 50%, #ff4500 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,138,31,0.18) 0%, rgba(255,138,31,0.12) 100%);
    --gradient-text: linear-gradient(135deg, #ff8a1f 0%, #ff6b35 100%);
    --gradient-truck: linear-gradient(135deg, #ff4500 0%, #ff6b35 50%, #ff8a1f 100%);
    
    /* Shipping Orange Color Scheme */
    --primary-color: #ff8a1f; /* Shipping Orange */
    --primary-light: #ffaa44; /* Light Orange */
    --secondary-color: #ff6b35; /* Deep Orange */
    --accent-color: #ff4500; /* Truck Orange */
    --shipping-gold: #ffa500; /* Shipping Gold */
    --cargo-orange: #ff7f00; /* Cargo Orange */
    
    /* Semantic Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #0f172a;
    
    /* Fast Loading Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.25);
    --shadow-shipping: 0 4px 12px rgba(255, 138, 31, 0.3);
    --shadow-truck: 0 6px 18px rgba(255, 107, 53, 0.25);
    --shadow-cargo: 0 8px 20px rgba(255, 79, 0, 0.2);
    
    /* Modern Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    
    /* Performance Optimized Transitions */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.25s ease;
    --transition-slow: all 0.4s ease;
    --transition-shipping: transform 0.2s ease, box-shadow 0.2s ease;
    
    /* Typography Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    
    /* Layout Variables */
    --sidebar-width: 300px;
    --sidebar-collapsed: 80px;
    --header-height: 70px;
    --container-padding: 2rem;
    --card-padding: 1.5rem;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Shipping Company Background - Optimized Performance */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at top left, rgba(255, 138, 31, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at bottom right, rgba(255, 79, 0, 0.06) 0%, transparent 65%);
    pointer-events: none;
    z-index: -1;
    opacity: 0.7;
}

/* Shipping themed utility classes */
.shipping-truck-icon::before {
    content: '🚛';
    margin-right: 0.5rem;
}

.shipping-package-icon::before {
    content: '📦';
    margin-right: 0.5rem;
}

.shipping-fast-icon::before {
    content: '⚡';
    margin-right: 0.5rem;
}

.shipping-world-icon::before {
    content: '🌍';
    margin-right: 0.5rem;
}

.shipping-plane-icon::before {
    content: '✈️';
    margin-right: 0.5rem;
}

/* Shipping Company Header Enhancements */
.shipping-header {
    background: var(--gradient-shipping);
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-bottom: 1rem;
    color: white;
    text-align: center;
}

.shipping-badge {
    background: var(--gradient-truck);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.shipping-card {
    background: var(--bg-glass);
    border: 2px solid var(--accent-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-shipping);
    transition: var(--transition-shipping);
}

.shipping-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-truck);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

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

/* Advanced Layout System */
.app-layout {
    display: flex;
    min-height: 100vh;
    background: var(--bg-primary);
}

/* Modern Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-right: 2px solid rgba(255, 138, 31, 0.3);
    padding: 1.5rem;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
    transition: var(--transition-all);
    overflow-y: auto;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar-toggle {
    position: absolute;
    top: 1rem;
    right: -15px;
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-neon);
    transition: var(--transition-all);
    z-index: 1001;
}

.sidebar-toggle:hover {
    background: var(--primary-light);
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: calc(var(--sidebar-width) + 1rem);
    padding: var(--container-padding);
    transition: var(--transition-all);
    min-height: 100vh;
    width: calc(100% - var(--sidebar-width) - 1rem);
    box-sizing: border-box;
    position: relative;
}

.main-content.sidebar-collapsed {
    margin-left: calc(var(--sidebar-collapsed) + 1rem);
    width: calc(100% - var(--sidebar-collapsed) - 1rem);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding-left: 0;
    padding-right: 0;
}

/* Modern Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-neon);
    position: relative;
    overflow: hidden;
}

/* Removed heavy animations for better performance */
.logo-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0;
    transition: var(--transition-fast);
}

.logo-icon:hover::before {
    opacity: 1;
}

.logo-text {
    font-size: var(--text-xl);
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    transition: var(--transition-all);
}

.sidebar.collapsed .logo-text {
    opacity: 0;
    width: 0;
}

/* Navigation Menu */
.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    border-radius: var(--radius-lg);
    transition: var(--transition-all);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-card);
    transition: var(--transition-all);
    z-index: -1;
}

.nav-link:hover::before,
.nav-link.active::before {
    left: 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.nav-link.active {
    background: var(--bg-glass-hover);
    border: 1px solid rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-neon);
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    transition: var(--transition-all);
}

.nav-text {
    transition: var(--transition-all);
    white-space: nowrap;
}

.sidebar.collapsed .nav-text {
    opacity: 0;
    width: 0;
}

.sidebar.collapsed .nav-link {
    justify-content: center;
    padding: 1rem 0.5rem;
}

/* Navigation Badge */
.nav-badge {
    background: var(--danger-color);
    color: var(--text-primary);
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-full);
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Clean Mobile Bottom Navigation */
.mobile-menu {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--mobile-bottom-nav);
    background: linear-gradient(135deg, #ff6b35, #ff8a1f);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 0 var(--mobile-padding);
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(255, 107, 53, 0.3);
}

@media (min-width: 769px) {
    .mobile-menu {
        display: none;
    }
}

.mobile-menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    transition: all 0.2s ease;
    border-radius: 12px;
    min-width: 50px;
    min-height: 50px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.mobile-menu-item:active {
    transform: scale(0.95);
}

.mobile-menu-item.active {
    color: white;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.mobile-menu-icon {
    font-size: 22px;
    margin-bottom: 4px;
    line-height: 1;
}

.mobile-menu-item div:last-child {
    line-height: 1;
}

/* Improved Invoice List Mobile Styles */
.invoice-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.invoice-item {
    background: var(--bg-glass);
    border: 1px solid rgba(255, 138, 31, 0.2);
    border-radius: var(--radius-lg);
    padding: 1rem;
    transition: var(--transition-all);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.invoice-item:hover {
    border-color: rgba(255, 138, 31, 0.4);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Modern Glassmorphism Cards */
.card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: var(--transition-all);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-border);
    opacity: 0.5;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 138, 31, 0.4);
}

.card.glass-strong {
    background: var(--bg-glass-hover);
    backdrop-filter: blur(30px);
}

.card-header {
    padding: var(--card-padding);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, transparent 100%);
}

.card-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-subtitle {
    color: var(--text-muted);
    font-size: var(--text-sm);
    font-weight: 500;
}

.card-body {
    padding: var(--card-padding);
}

.card-footer {
    padding: 1rem var(--card-padding);
    background: linear-gradient(145deg, transparent 0%, rgba(255,255,255,0.03) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Modern Advanced Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--text-sm);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-all);
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.025em;
    backdrop-filter: blur(10px);
}

/* Simplified button hover effects */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0;
    transition: var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-shipping);
    border: 1px solid rgba(255, 138, 31, 0.4);
}

.btn-primary:hover {
    background: var(--gradient-truck);
    box-shadow: var(--shadow-truck);
    transform: translateY(-2px);
    border-color: rgba(255, 79, 0, 0.6);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

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

.btn-success:hover {
    background: #38a169;
}

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

.btn-warning:hover {
    background: #dd6b20;
}

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

.btn-danger:hover {
    background: #e53e3e;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control.error {
    border-color: var(--danger-color);
}

.form-text {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

.form-error {
    color: var(--danger-color);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* Status badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-draft {
    background: var(--gray-100);
    color: var(--gray-700);
}

.status-pending {
    background: #fef5e7;
    color: #d69e2e;
}

.status-accepted {
    background: #f0fff4;
    color: #38a169;
}

.status-rejected {
    background: #fed7d7;
    color: #e53e3e;
}

.status-overdue {
    background: #fed7d7;
    color: #c53030;
}

/* Dashboard Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-card {
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-primary);
}

.stat-value {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-muted);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Invoice List */
.invoice-list {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.invoice-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

.invoice-item:hover {
    background: var(--gray-50);
}

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

.invoice-info h4 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.invoice-meta {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.invoice-amount {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.invoice-actions {
    display: flex;
    gap: 0.5rem;
}

/* Step Progress */
.step-progress {
    display: flex;
    justify-content: space-between;
    margin: 2rem 0;
    position: relative;
}

.step-progress::before {
    content: '';
    position: absolute;
    top: 1rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gray-200);
    z-index: 1;
}

.step-progress-line {
    position: absolute;
    top: 1rem;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: var(--transition);
    z-index: 2;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 3;
}

.step-circle {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--gray-500);
    transition: var(--transition);
}

.step.active .step-circle {
    background: var(--primary-color);
    color: var(--white);
}

.step.completed .step-circle {
    background: var(--success-color);
    color: var(--white);
}

.step-label {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--gray-600);
    text-align: center;
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--gray-300);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.file-upload:hover,
.file-upload.dragover {
    border-color: var(--primary-color);
    background: var(--gray-50);
}

.file-upload-icon {
    font-size: 3rem;
    color: var(--gray-400);
    margin-bottom: 1rem;
}

.file-upload-text {
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.file-upload-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-400);
    padding: 0.25rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

/* Advanced Responsive Design */

/* Tablet Styles */
@media (max-width: 1024px) and (min-width: 769px) {
    :root {
        --sidebar-width: 240px;
        --container-padding: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
    
    /* Hide mobile menu on tablet */
    .mobile-menu {
        display: none !important;
    }
}

/* Desktop Enhancements */
@media (min-width: 769px) {
    /* Show desktop sidebar only on desktop */
    .sidebar {
        display: block;
        visibility: visible;
    }
    
    /* Hide mobile header on desktop */
    .mobile-app-header {
        display: none !important;
    }
    
    .main-content {
        margin-left: calc(var(--sidebar-width) + 1rem);
        padding-top: var(--container-padding);
        width: calc(100% - var(--sidebar-width) - 1rem);
    }
}

@media (min-width: 1024px) {
    .invoice-template {
        max-width: 1000px;
        margin: 3rem auto;
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .sidebar {
        width: var(--sidebar-width);
    }
    
    .main-content {
        margin-left: calc(var(--sidebar-width) + 1rem);
    }
    
    .card:hover {
        transform: translateY(-8px) scale(1.02);
    }
    
    .nav-link:hover {
        transform: translateX(8px);
    }
    
    /* Hide mobile menu on desktop */
    .mobile-menu {
        display: none !important;
    }
}

/* Clean Mobile Design - تصميم محسن ومنظم */
@media (max-width: 768px) {
    /* Reset mobile variables */
    :root {
        --mobile-header-height: 60px;
        --mobile-bottom-nav: 75px;
        --mobile-padding: 16px;
    }
    
}

/* Mobile header should only show on mobile devices */
.mobile-app-header {
    display: none;
}

/* Show mobile header only on mobile */
@media (max-width: 768px) {
    .mobile-app-header {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
}

@media (max-width: 768px) {
    
    /* متغيرات محسنة للهواتف المحمولة */
    :root {
        --mobile-header-height: 68px;
        --mobile-padding: 20px;
        --mobile-card-padding: 20px;
        --mobile-border-radius: 16px;
        --mobile-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        --mobile-spacing: 24px;
    }
    
    /* Body adjustments */
    body {
        font-size: 16px;
        line-height: 1.6;
        padding: 0;
        margin: 0;
        overflow-x: hidden;
        background: var(--bg-primary);
    }
    
    /* App Layout */
    .app-layout {
        position: relative;
        min-height: 100vh;
        width: 100%;
        display: flex;
        flex-direction: column;
    }
    
    /* Desktop sidebar mobile behavior - COMPLETELY HIDDEN BY DEFAULT */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 300px;
        height: 100vh;
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        border-right: 1px solid rgba(255, 138, 31, 0.2);
        z-index: 1999;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
        overflow-y: auto;
        padding: var(--mobile-padding);
        display: none; /* Completely hide desktop sidebar on mobile */
    }
    
    /* Only show sidebar when specifically opened on mobile */
    .sidebar.mobile-open {
        display: block;
        transform: translateX(0) !important;
        visibility: visible;
    }
    
    /* Main content adjustments for mobile */
    .main-content {
        margin-left: 0 !important;
        width: 100% !important;
    }
    
    /* Mobile Sidebar Overlay for all pages */
    .mobile-sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.6);
        z-index: 1998;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        backdrop-filter: blur(2px);
    }
    
    .mobile-sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    /* Dedicated Mobile Sidebar for pages with mobileSidebar element */
    .mobile-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100vh;
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        border-right: 1px solid rgba(255, 138, 31, 0.2);
        z-index: 1999;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
        display: flex;
        flex-direction: column;
        overflow-y: auto;
    }
    
    .mobile-sidebar.active {
        transform: translateX(0);
    }
    
    .mobile-sidebar-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px;
        border-bottom: 1px solid rgba(255, 138, 31, 0.1);
        min-height: 60px;
    }
    
    .mobile-sidebar-header .logo {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .mobile-sidebar-header .logo-text {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
    }
    
    .mobile-sidebar-header .close-btn {
        width: 32px;
        height: 32px;
        border: none;
        background: rgba(255, 138, 31, 0.1);
        color: var(--primary-color);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        cursor: pointer;
    }
    
    .mobile-nav-menu {
        flex: 1;
        padding: 16px 0;
        overflow-y: auto;
    }
    
    .mobile-nav-link {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 16px;
        color: var(--text-secondary);
        text-decoration: none;
        transition: all 0.2s ease;
        border-left: 3px solid transparent;
    }
    
    .mobile-nav-link:hover,
    .mobile-nav-link.active {
        background: rgba(255, 138, 31, 0.1);
        color: var(--primary-color);
        border-left-color: var(--primary-color);
    }
    
    .mobile-nav-icon {
        font-size: 18px;
        width: 24px;
        text-align: center;
    }
    
    .mobile-nav-text {
        font-size: 14px;
        font-weight: 500;
    }
    
    /* Mobile Header - إصلاح التصميم */
    .mobile-app-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        height: var(--mobile-header-height);
        background: rgba(26, 26, 26, 0.95);
        backdrop-filter: blur(20px);
        border-bottom: 2px solid var(--primary-color);
        z-index: 1500;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 var(--mobile-padding);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    }
    
    .mobile-app-header .header-left {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    
    .mobile-app-header .menu-btn {
        width: 40px;
        height: 40px;
        border: none;
        background: var(--bg-glass-hover);
        color: var(--text-primary);
        font-size: 18px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    
    .mobile-app-header .menu-btn:hover {
        background: var(--primary-color);
        color: white;
        transform: scale(1.05);
    }
    
    .mobile-app-header .page-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0;
    }
    
    .mobile-app-header .header-actions {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .mobile-app-header .action-btn {
        width: 44px;
        height: 44px;
        border: 2px solid rgba(255, 138, 31, 0.3);
        background: var(--bg-glass-hover);
        color: var(--primary-color);
        font-size: 18px;
        font-weight: bold;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        cursor: pointer;
        transition: all 0.3s ease;
        backdrop-filter: blur(10px);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }
    
    .mobile-app-header .action-btn:hover,
    .mobile-app-header .action-btn:active {
        background: var(--primary-color);
        color: white;
        border-color: var(--primary-color);
        transform: scale(1.05);
        box-shadow: 0 4px 12px rgba(255, 138, 31, 0.4);
    }
    
    /* Special styling for language selector in mobile header */
    .mobile-app-header select.action-btn {
        width: auto;
        min-width: 60px;
        padding: 0 8px;
        font-size: 14px;
        background: var(--bg-glass-hover) !important;
        border: 2px solid rgba(255, 138, 31, 0.3) !important;
        border-radius: 12px !important;
    }
    
    /* Main Content - تحسين التخطيط */
    .main-content {
        flex: 1;
        margin: 0;
        padding-top: calc(var(--mobile-header-height) + 20px);
        padding-bottom: 20px;
        padding-left: 0;
        padding-right: 0;
        min-height: calc(100vh - var(--mobile-header-height));
        width: 100%;
        box-sizing: border-box;
        overflow-x: hidden;
    }
    
    .container {
        padding: 0 var(--mobile-padding);
        width: 100%;
        max-width: none;
        margin: 0 auto;
        box-sizing: border-box;
    }
    
    /* Mobile Cards - تحسين التصميم */
    .card {
        margin: 0 0 24px 0;
        border-radius: 16px;
        border: 2px solid rgba(255, 138, 31, 0.3);
        background: var(--bg-glass);
        backdrop-filter: blur(20px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    .card:hover {
        border-color: var(--primary-color);
        box-shadow: 0 8px 25px rgba(255, 138, 31, 0.2);
        transform: translateY(-2px);
    }
    
    .card-header {
        padding: var(--mobile-card-padding);
        background: rgba(255, 138, 31, 0.1);
        border-bottom: 1px solid rgba(255, 138, 31, 0.2);
    }
    
    .card-body {
        padding: var(--mobile-card-padding);
    }
    
    .card-title {
        font-size: 18px;
        margin-bottom: 8px;
        color: var(--text-primary);
        font-weight: 700;
        background: var(--gradient-text);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .card-subtitle {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 16px;
    }
    
    /* Page header optimization for mobile */
    .page-header {
        margin-bottom: 24px;
    }
    
    .page-header .card {
        background: rgba(255, 138, 31, 0.1);
        border: 2px solid var(--primary-color);
        margin-bottom: 0;
    }
    
    .page-header .card-title {
        font-size: 20px;
        margin-bottom: 8px;
    }
    
    .page-header .card-subtitle {
        font-size: 14px;
        opacity: 0.9;
    }
    
    /* Mobile Shipping Invoice List */
    .invoice-list {
        margin: 0;
        padding: 0;
    }
    
    .invoice-item {
        display: block;
        background: var(--bg-glass);
        border: 2px solid rgba(255, 79, 0, 0.2);
        border-radius: 12px;
        padding: 16px;
        margin-bottom: 12px;
        transition: all 0.2s ease;
        position: relative;
    }
    
    .invoice-item::before {
        content: '🚛';
        position: absolute;
        top: 8px;
        right: 8px;
        opacity: 0.2;
        font-size: 1.2rem;
    }
    
    .invoice-item:active {
        transform: scale(0.98);
        background: var(--bg-glass-hover);
        border-color: var(--accent-color);
    }
    
    .invoice-info {
        margin-bottom: 12px;
    }
    
    .invoice-info h4 {
        font-size: 16px;
        font-weight: 600;
        margin: 0 0 8px 0;
        color: var(--text-primary);
    }
    
    .invoice-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        margin-bottom: 12px;
    }
    
    .invoice-meta span {
        background: rgba(255, 79, 0, 0.15);
        color: var(--shipping-gold);
        padding: 4px 8px;
        border-radius: 6px;
        font-size: 12px;
        font-weight: 600;
    }
    
    .invoice-actions {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .invoice-amount {
        font-size: 18px;
        font-weight: 700;
        color: var(--primary-color);
    }
    
    .status-badge {
        font-size: 11px;
        font-weight: 600;
        padding: 4px 8px;
        border-radius: 12px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    /* Mobile Buttons - تحسين التصميم */
    .btn {
        padding: 12px 20px;
        font-size: 14px;
        font-weight: 600;
        border-radius: 12px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        transition: all 0.3s ease;
        border: 2px solid transparent;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    
    .btn-primary {
        background: var(--gradient-primary);
        color: white;
        border-color: var(--primary-color);
    }
    
    .btn-primary:hover {
        background: var(--gradient-truck);
        box-shadow: 0 6px 20px rgba(255, 138, 31, 0.3);
        transform: translateY(-2px);
    }
    
    .btn-secondary {
        background: var(--bg-glass-hover);
        color: var(--text-primary);
        border-color: rgba(255, 255, 255, 0.2);
    }
    
    .btn-sm {
        padding: 8px 16px;
        font-size: 12px;
        min-height: 36px;
        border-radius: 10px;
    }
    
    /* Mobile Filter Tabs - تحسين التصميم */
    .filter-tabs {
        margin: 0 -20px 24px -20px;
    }
    
    .status-filters {
        display: flex;
        gap: 8px;
        padding: 16px 20px;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        background: rgba(255, 138, 31, 0.05);
        border-top: 2px solid rgba(255, 138, 31, 0.2);
        border-bottom: 2px solid rgba(255, 138, 31, 0.2);
    }
    
    .status-filters::-webkit-scrollbar {
        display: none;
    }
    
    .status-filters .btn-sm {
        white-space: nowrap;
        flex-shrink: 0;
        border-radius: 20px;
        font-size: 12px;
        padding: 8px 16px;
        font-weight: 600;
        border: 2px solid transparent;
        transition: all 0.3s ease;
    }
    
    .status-filters .btn-primary {
        background: var(--gradient-primary);
        color: white;
        box-shadow: 0 4px 12px rgba(255, 138, 31, 0.3);
    }
    
    .status-filters .btn-secondary {
        background: rgba(255, 255, 255, 0.1);
        color: var(--text-secondary);
        border-color: rgba(255, 255, 255, 0.2);
    }
    
    /* Mobile Empty State */
    .empty-state {
        text-align: center;
        padding: 40px 20px;
        background: var(--bg-glass);
        border-radius: 12px;
        margin: 20px 0;
    }
    
    .empty-state-icon {
        font-size: 48px;
        opacity: 0.3;
        margin-bottom: 16px;
    }
    
    /* Grid improvements for mobile */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-bottom: 24px;
    }
    
    .stat-card {
        background: var(--bg-glass-hover);
        border: 2px solid rgba(255, 138, 31, 0.3);
        border-radius: 16px;
        padding: 20px;
        text-align: center;
        transition: all 0.3s ease;
    }
    
    .stat-card:hover {
        border-color: var(--primary-color);
        transform: translateY(-4px);
        box-shadow: 0 8px 20px rgba(255, 138, 31, 0.2);
    }
    
    .stat-value {
        font-size: 24px;
        font-weight: 700;
        color: var(--primary-color);
        margin-bottom: 8px;
    }
    
    .stat-label {
        font-size: 12px;
        color: var(--text-secondary);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    /* Form improvements */
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-control {
        width: 100%;
        padding: 14px 16px;
        border: 2px solid rgba(255, 138, 31, 0.3);
        border-radius: 12px;
        background: var(--bg-glass-hover);
        color: var(--text-primary);
        font-size: 16px;
        transition: all 0.3s ease;
    }
    
    .form-control:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 4px rgba(255, 138, 31, 0.1);
        outline: none;
    }
    
    .form-label {
        display: block;
        margin-bottom: 8px;
        font-weight: 600;
        color: var(--text-primary);
        font-size: 14px;
    }
    
    .empty-state h3 {
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 8px;
        color: var(--text-primary);
    }
    
    .empty-state p {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 20px;
        line-height: 1.4;
    }
    
    .empty-state .btn {
        border-radius: 20px;
        padding: 12px 24px;
    }
    
    /* Mobile Pagination */
    .pagination {
        display: flex;
        justify-content: center;
        gap: 12px;
        margin: 20px 0;
    }
    
    .pagination .btn {
        border-radius: 20px;
        padding: 10px 16px;
        font-size: 12px;
    }
    
    /* Small mobile screens */
    @media (max-width: 480px) {
        .container {
            padding: 0 12px;
        }
        
        .mobile-app-header {
            padding: 0 12px;
        }
        
        .mobile-app-header .page-title {
            font-size: 16px;
        }
        
        .invoice-item {
            padding: 12px;
        }
        
        .invoice-actions {
            flex-direction: column;
            align-items: stretch;
        }
        
        .invoice-actions .btn {
            width: 100%;
            margin: 2px 0;
        }
        
        .status-filters {
            padding: 8px 12px;
            margin: 0 -12px 12px -12px;
        }
    }
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .card {
        margin-bottom: 1rem;
        border-radius: var(--radius-lg);
    }
    
    .card-title {
        font-size: var(--text-lg);
    }
    
    .card-body, .card-header {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1rem;
        font-size: var(--text-sm);
        min-height: 44px; /* Touch-friendly */
    }
    
    .btn-lg {
        padding: 1rem 1.5rem;
        font-size: var(--text-base);
        min-height: 48px;
    }
    
    .invoice-item {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        padding: 1rem;
    }
    
    .invoice-info {
        order: 1;
    }
    
    .invoice-amount {
        order: 2;
        text-align: center;
        font-size: 1.5rem;
        padding: 0.5rem;
        background: var(--bg-glass-hover);
        border-radius: var(--radius-lg);
    }
    
    .invoice-actions {
        order: 3;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .status-badge {
        order: 2;
        align-self: flex-start;
    }
    
    /* Mobile-specific invoice template */
    .invoice-template {
        margin: 0.5rem;
        border-radius: var(--radius-lg);
    }
    
    .invoice-header {
        padding: 1.5rem 1rem;
    }
    
    .company-logo {
        width: 60px;
        height: 60px;
        padding: 0.5rem;
    }
    
    .invoice-body {
        padding: 1rem;
    }
    
    .invoice-info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .table-header-row,
    .product-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        text-align: left !important;
    }
    
    .product-row {
        padding: 1rem 0.5rem;
        border-radius: var(--radius-md);
        background: var(--bg-glass-hover);
        margin-bottom: 0.5rem;
    }
    
    .total-row {
        font-size: 1rem;
        padding: 0.75rem 0;
    }
    
    .total-row:last-child {
        font-size: 1.25rem;
        background: var(--bg-glass-hover);
        padding: 1rem;
        border-radius: var(--radius-lg);
        margin-top: 1rem;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
    }
    
    .contact-item {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: 1rem;
        font-size: 1rem;
    }
    
    /* Sidebar navigation styling for mobile */
    .sidebar .nav-menu {
        padding: 1rem 0;
        margin-top: 1rem;
    }
    
    .sidebar .nav-item {
        margin-bottom: 0.5rem;
    }
    
    .sidebar .nav-link {
        display: flex;
        align-items: center;
        gap: 1rem;
        padding: 1rem 1.5rem;
        font-size: 1rem;
        color: var(--text-secondary);
        text-decoration: none;
        border-radius: var(--radius-lg);
        min-height: 56px;
        transition: all 0.3s ease;
        border: 1px solid transparent;
    }
    
    .sidebar .nav-link:hover,
    .sidebar .nav-link.active {
        background: var(--bg-glass-hover);
        color: var(--primary-color);
        border-color: rgba(255, 138, 31, 0.3);
        transform: translateX(4px);
    }
    
    .sidebar .nav-icon {
        font-size: 1.25rem;
        width: 24px;
        text-align: center;
        flex-shrink: 0;
    }
    
    .sidebar .nav-text {
        font-weight: 500;
        white-space: nowrap;
    }
    
    .language-switcher select {
        padding: 0.75rem;
        font-size: 1rem;
        border-radius: var(--radius-lg);
    }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
    /* Tighter mobile variables for smaller screens */
    :root {
        --mobile-header-height: 60px;
        --mobile-padding: 12px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-value {
        font-size: var(--text-2xl);
    }
    
    .card {
        margin: 0 -0.5rem 1rem;
        border-radius: var(--radius-lg);
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: var(--text-sm);
    }
    
    .mobile-app-header .menu-btn,
    .mobile-app-header .action-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .mobile-app-header .page-title {
        font-size: 16px;
    }
    
    .container {
        padding: 12px;
    }
    
    .main-content {
        padding-top: calc(var(--mobile-header-height) + 12px);
    }
}

/* Modern Alert/Notification Styles */
.alert {
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    backdrop-filter: blur(10px);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border-color: rgba(16, 185, 129, 0.2);
}

.alert-success::before {
    background: var(--success-color);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border-color: rgba(239, 68, 68, 0.2);
}

.alert-danger::before {
    background: var(--danger-color);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border-color: rgba(245, 158, 11, 0.2);
}

.alert-warning::before {
    background: var(--warning-color);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
    border-color: rgba(59, 130, 246, 0.2);
}

.alert-info::before {
    background: var(--info-color);
}

/* Customer Grid Styles */
.customer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.customer-card {
    position: relative;
    transition: var(--transition-all);
}

.customer-card:hover {
    transform: translateY(-3px);
}

.customer-info {
    flex: 1;
}

.customer-name {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.customer-detail {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0.375rem 0;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.customer-detail a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

.customer-detail a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.customer-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 100px;
}

.customer-actions .btn {
    font-size: var(--text-xs);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
}

/* Empty State Styling */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

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

/* Modal Improvements */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-content {
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-close {
    transition: var(--transition-fast);
    border-radius: var(--radius-md);
}

.modal-close:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

/* Modern Invoice List Styles */
.invoice-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.invoice-item {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition-all);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
}

.invoice-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-all);
}

.invoice-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(99, 102, 241, 0.3);
}

.invoice-item:hover::before {
    opacity: 1;
}

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

.invoice-info h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.invoice-meta {
    font-size: var(--text-sm);
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.invoice-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.invoice-amount {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.invoice-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

/* Status Badges Enhancement */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    backdrop-filter: blur(10px);
    border: 1px solid transparent;
    transition: var(--transition-all);
}

.status-draft {
    background: rgba(148, 163, 184, 0.2);
    color: var(--text-secondary);
    border-color: rgba(148, 163, 184, 0.3);
}

.status-pending {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
    border-color: rgba(245, 158, 11, 0.3);
}

.status-accepted {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
    border-color: rgba(16, 185, 129, 0.3);
}

.status-rejected {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
    border-color: rgba(239, 68, 68, 0.3);
}

.status-overdue {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
    border-color: rgba(239, 68, 68, 0.3);
    animation: pulse 2s infinite;
}

/* Filter Tabs Styling */
.status-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding: 0.5rem;
}

.status-filters .btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--text-xs);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition-all);
}

/* Pagination Styles */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin: 2rem 0;
}

.pagination .btn {
    min-width: 100px;
}

@media (max-width: 480px) {
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: 1rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .file-upload {
        padding: 1rem;
    }
    
    .file-upload-icon {
        font-size: 2rem;
    }
    
    /* Mobile-first invoice layout improvements */
    .invoice-item {
        padding: 0.75rem;
        margin-bottom: 0.75rem;
    }
    
    .invoice-item .invoice-info h4 {
        font-size: 1rem;
    }
    
    .invoice-meta {
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .invoice-meta span {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }
    
    .status-filters {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .status-filters .btn-sm {
        font-size: 0.7rem;
        padding: 0.4rem 0.6rem;
        text-align: center;
    }
    
    /* Better touch targets */
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-link {
        min-height: 48px;
        padding: 0.75rem 1rem;
    }
    
    /* Improved empty state on mobile */
    .empty-state {
        padding: 2rem 1rem;
        text-align: center;
    }
    
    .empty-state-icon {
        font-size: 3rem;
        opacity: 0.6;
        margin-bottom: 1rem;
    }
    
    .empty-state h3 {
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
    }
    
    .empty-state p {
        font-size: 0.875rem;
        line-height: 1.5;
        margin-bottom: 1.5rem;
    }
}

/* Print Styles */
@media print {
    /* Hide navigation and action elements */
    .header,
    .mobile-menu,
    .btn,
    .invoice-actions,
    .nav-menu,
    .status-btn {
        display: none !important;
    }
    
    /* Page setup */
    body {
        background: white !important;
        color: black !important;
        font-size: 12pt !important;
        line-height: 1.4 !important;
        margin: 0 !important;
        padding: 20px !important;
    }
    
    /* Container adjustments */
    .container {
        max-width: none !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .main-content {
        padding: 0 !important;
    }
    
    /* Card styling for print */
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        margin-bottom: 20px !important;
        background: white !important;
        page-break-inside: avoid;
    }
    
    .card-header {
        border-bottom: 2px solid #333 !important;
        background: #f8f9fa !important;
        padding: 15px !important;
    }
    
    .card-body {
        padding: 20px !important;
    }
    
    /* Invoice header */
    .card-title {
        font-size: 18pt !important;
        font-weight: bold !important;
        margin-bottom: 10px !important;
        color: black !important;
    }
    
    /* Status badges */
    .status-badge {
        border: 2px solid #333 !important;
        background: white !important;
        color: black !important;
        padding: 5px 10px !important;
        font-weight: bold !important;
    }
    
    /* Grid layouts */
    [style*="grid"] {
        display: block !important;
    }
    
    [style*="grid-template-columns: 2fr 1fr"] > * {
        display: block !important;
        margin-bottom: 20px !important;
    }
    
    [style*="grid-template-columns: 1fr 1fr"] > * {
        display: inline-block !important;
        width: 48% !important;
        vertical-align: top !important;
        margin-right: 2% !important;
    }
    
    /* Table styling */
    table {
        width: 100% !important;
        border-collapse: collapse !important;
        margin: 20px 0 !important;
        page-break-inside: avoid;
    }
    
    table th,
    table td {
        border: 1px solid #333 !important;
        padding: 10px !important;
    }
    
    table th:nth-child(2),
    table td:nth-child(2),
    table th:nth-child(3),
    table td:nth-child(3),
    table th:nth-child(4),
    table td:nth-child(4),
    table th:nth-child(5),
    table td:nth-child(5) {
        text-align: center !important;
    }
    
    table th:nth-child(3),
    table td:nth-child(3),
    table th:nth-child(4),
    table td:nth-child(4) {
        text-align: right !important;
    }
    
    table th {
        background: #f8f9fa !important;
        font-weight: bold !important;
    }
    
    /* Images */
    img {
        max-width: 200px !important;
        max-height: 150px !important;
        page-break-inside: avoid;
    }
    
    /* Payment summary styling */
    .card:last-of-type .card-body {
        border: 2px solid #333 !important;
        background: #f8f9fa !important;
    }
    
    /* Hide specific action sections */
    .invoice-actions {
        display: none !important;
    }
    
    /* Show print-only elements */
    .print-only-header {
        display: block !important;
    }
    
    /* Force black text for all content */
    * {
        color: black !important;
        background: transparent !important;
    }
    
    .card,
    .card-header,
    .card-body {
        background: white !important;
    }
    
    /* Page breaks */
    .card {
        page-break-after: avoid;
    }
    
    /* Ensure proper spacing */
    h1, h2, h3, h4 {
        color: black !important;
        margin-top: 20px !important;
        margin-bottom: 10px !important;
    }
}

/* Kurdish Language Support - Enhanced */
.kurdish-font,
.kurdish-font *,
body[lang="ku"],
body[lang="ku"] * {
    font-family: 'Noto Kufi Arabic', 'Vazirmatn', Arial, sans-serif !important;
    font-feature-settings: 'liga' on, 'calt' on;
    font-weight: 500;
    line-height: 1.7;
}

/* Kurdish language direction support - Fixed */
body[lang="ku"],
body.kurdish-lang {
    direction: rtl;
    text-align: right;
}

body[lang="ku"] .container,
body.kurdish-lang .container {
    padding-right: var(--mobile-padding, 20px);
    padding-left: var(--mobile-padding, 20px);
}

body.kurdish-lang .sidebar {
    right: 0;
    left: auto;
    border-right: none;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

body.kurdish-lang .main-content {
    margin-right: var(--sidebar-width);
    margin-left: 0;
    text-align: right;
}

body.kurdish-lang .nav-link {
    flex-direction: row-reverse;
}

body.kurdish-lang .nav-link:hover {
    transform: translateX(-5px);
}

/* Kurdish font for specific elements */
body.kurdish-lang h1,
body.kurdish-lang h2,
body.kurdish-lang h3,
body.kurdish-lang h4,
body.kurdish-lang h5,
body.kurdish-lang h6,
body.kurdish-lang p,
body.kurdish-lang span,
body.kurdish-lang div,
body.kurdish-lang label,
body.kurdish-lang button,
body.kurdish-lang input,
body.kurdish-lang select,
body.kurdish-lang textarea,
body.kurdish-lang .nav-text,
body.kurdish-lang .card-title,
body.kurdish-lang .card-subtitle,
body.kurdish-lang .stat-label,
body.kurdish-lang .invoice-info,
body.kurdish-lang .status-badge {
    font-family: 'Noto Kufi Arabic', Arial, sans-serif !important;
}

/* Responsive Kurdish layout adjustments */
@media (max-width: 768px) {
    body.kurdish-lang .main-content {
        margin-right: 0;
        text-align: right;
    }
    
    body.kurdish-lang .sidebar {
        right: 0;
        left: auto;
        transform: translateX(100%);
    }
    
    body.kurdish-lang .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    body.kurdish-lang .sidebar-toggle {
        right: 1rem;
        left: auto;
    }
}