/**
 * MxAccounting - Main Stylesheet
 * Glass Morphism Design System
 */

/* ==================== Font Face ==================== */
@font-face {
    font-family: 'IRANYekan';
    src: url('../fonts/iran_yekan_medium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

/* ==================== CSS Variables ==================== */
:root {
    /* Colors */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Neutrals */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-dark: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
    --glass-blur: blur(10px);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Sidebar */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
}

/* ==================== Reset & Base ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: 'IRANYekan', 'Segoe UI', Tahoma, sans-serif;
    background: var(--gradient-bg);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--gray-800);
    line-height: 1.6;
    direction: rtl;
    overflow-x: hidden;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 200, 255, 0.2) 0%, transparent 40%);
    z-index: -1;
    animation: bgMove 20s ease-in-out infinite;
}

@keyframes bgMove {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

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

a:hover {
    color: var(--primary-dark);
}

/* ==================== Glass Card ==================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(31, 38, 135, 0.2);
}

.glass-card-dark {
    background: rgba(31, 41, 55, 0.8);
    color: var(--white);
}

/* ==================== Layout ==================== */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: rgba(31, 41, 55, 0.95);
    backdrop-filter: var(--glass-blur);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: width var(--transition-normal), transform var(--transition-normal);
    overflow-y: auto;
    overflow-x: hidden;
}

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

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.sidebar-logo {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-lg);
    object-fit: contain;
}

.sidebar-title {
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 600;
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

.sidebar.collapsed .sidebar-title {
    opacity: 0;
    width: 0;
}

/* Navigation */
.sidebar-nav {
    padding: var(--spacing-md);
}

.nav-section {
    margin-bottom: var(--spacing-lg);
}

.nav-section-title {
    color: var(--gray-400);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--spacing-sm) var(--spacing-md);
    white-space: nowrap;
}

.sidebar.collapsed .nav-section-title {
    opacity: 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--gray-300);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xs);
    transition: all var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.nav-item.active {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.nav-item i {
    width: 24px;
    text-align: center;
    font-size: 1.1rem;
}

.nav-item span {
    transition: opacity var(--transition-fast);
}

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

/* Main Content */
.main-content {
    flex: 1;
    margin-right: var(--sidebar-width);
    padding: var(--spacing-lg);
    transition: margin-right var(--transition-normal);
}

.sidebar.collapsed ~ .main-content {
    margin-right: var(--sidebar-collapsed-width);
}

/* Top Bar */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-bg);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-menu-trigger:hover {
    background: var(--white);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
}

.user-info {
    text-align: right;
}

.user-name {
    font-weight: 600;
    color: var(--gray-800);
}

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

.user-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: var(--spacing-sm);
    min-width: 200px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 100;
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--gray-700);
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-100);
}

.dropdown-item:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-200);
    margin: var(--spacing-xs) 0;
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--white);
    border-color: var(--primary);
    color: var(--primary);
}

.btn-success {
    background: var(--gradient-success);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--gray-100);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-full);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.8rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

/* ==================== Forms ==================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--gray-700);
}

.form-label.required::after {
    content: ' *';
    color: var(--danger);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    font-family: inherit;
    font-size: 0.9rem;
    background: var(--glass-bg);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    direction: rtl;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.invalid-feedback {
    color: var(--danger);
    font-size: 0.8rem;
    margin-top: var(--spacing-xs);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 12px center;
    padding-left: 40px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-check-input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.form-check-label {
    cursor: pointer;
}

/* Input Group */
.input-group {
    display: flex;
    align-items: stretch;
}

.input-group .form-control {
    border-radius: 0;
}

.input-group .form-control:first-child {
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.input-group .form-control:last-child {
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    color: var(--gray-600);
}

/* ==================== Tables ==================== */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-xl);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--glass-bg);
}

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: right;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    background: rgba(99, 102, 241, 0.1);
    font-weight: 600;
    color: var(--gray-700);
    white-space: nowrap;
}

.table tbody tr {
    transition: background var(--transition-fast);
}

.table tbody tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ==================== Cards ==================== */
.card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
}

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

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
}

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

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    background: rgba(249, 250, 251, 0.5);
}

/* ==================== Stats Cards ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, transparent 100%);
    border-radius: 0 0 0 100%;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.stat-icon.primary { background: var(--gradient-primary); }
.stat-icon.success { background: var(--gradient-success); }
.stat-icon.warning { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }
.stat-icon.danger { background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); }

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.stat-change {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.8rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    margin-top: var(--spacing-sm);
}

.stat-change.positive {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-change.negative {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

/* ==================== Badges ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

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

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

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

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

/* ==================== Modal ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-lg {
    max-width: 800px;
}

.modal-xl {
    max-width: 1100px;
}

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

.modal-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-200);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-start;
    gap: var(--spacing-md);
}

/* ==================== Alerts ==================== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--info);
}

/* ==================== Toast Notifications ==================== */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.toast {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 300px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.hiding {
    animation: slideOut 0.3s ease forwards;
}

@keyframes slideOut {
    to {
        transform: translateX(-100%);
        opacity: 0;
    }
}

.toast-icon {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast-success .toast-icon { background: var(--success); color: white; }
.toast-danger .toast-icon { background: var(--danger); color: white; }
.toast-warning .toast-icon { background: var(--warning); color: white; }
.toast-info .toast-icon { background: var(--info); color: white; }

/* ==================== Pagination ==================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
}

.pagination-item {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--glass-bg);
    color: var(--gray-700);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-item:hover {
    background: var(--primary);
    color: var(--white);
}

.pagination-item.active {
    background: var(--gradient-primary);
    color: var(--white);
}

.pagination-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==================== Loading ==================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 4000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ==================== Empty State ==================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--gray-400);
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    color: var(--gray-500);
    margin-bottom: var(--spacing-lg);
}

/* ==================== Utilities ==================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--gray-500); }

.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.fw-medium { font-weight: 500; }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.d-block { display: block; }

.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-right: 0;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 13px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .top-bar {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .modal {
        width: 95%;
        max-height: 95vh;
    }
}

/* ==================== Print Styles ==================== */
@media print {
    body {
        background: white;
    }
    
    .sidebar,
    .top-bar,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .main-content {
        margin: 0;
        padding: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}