/* Modern Accounting Theme CSS */
:root {
    /* Accounting-themed color palette */
    --primary-color: #4f8cff;
    --primary-dark: #1e40af;
    --primary-light: #6a82fb;
    --primary-gradient: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    
    /* Secondary colors */
    --secondary-color: #64748b;
    --accent-color: #0f172a;
    
    /* Accounting-specific colors */
    --income-green: #28a745;
    --expense-red: #dc3545;
    --balance-blue: #17a2b8;
    --tax-orange: #ffc107;
    --profit-purple: #ffb347;
    
    /* Neutral colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Background colors */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-overlay: rgba(15, 23, 42, 0.05);
    
    /* Sidebar colors */
    --sidebar-bg: linear-gradient(120deg, #243043 0%, #1a293f 100%);
    --sidebar-text: #ffffff;
    --sidebar-hover: rgba(255, 255, 255, 0.1);
    --sidebar-active: rgba(255, 255, 255, 0.15);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Global styles */
* {
    box-sizing: border-box;
}

body, input, select, textarea, button, .form-control, .form-select, .btn {
    font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

body {
    background: var(--bg-primary);
    color: var(--gray-800);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Modern card styles */
.modern-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
    overflow: hidden;
    position: relative;
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modern-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.modern-card:hover::before {
    opacity: 1;
}

.modern-card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
}

.modern-card-body {
    padding: 1.5rem;
}

.modern-card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* Dashboard specific cards */
.dashboard-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
    overflow: hidden;
    position: relative;
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.dashboard-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    text-decoration: none;
    color: inherit;
}

.dashboard-card:hover::before {
    opacity: 1;
}

.dashboard-card .card-body {
    padding: 2rem;
    text-align: center;
}

/* Icon circles for dashboard */
.icon-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
    position: relative;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.icon-circle::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: inherit;
    opacity: 0.2;
    z-index: -1;
    transition: all var(--transition-normal);
}

.dashboard-card:hover .icon-circle {
    transform: scale(1.1) rotate(5deg);
}

.dashboard-card:hover .icon-circle::before {
    inset: -6px;
    opacity: 0.3;
}

/* Color variations for different sections */
.icon-circle.income { background: linear-gradient(135deg, var(--income-green), #059669); }
.icon-circle.expense { background: linear-gradient(135deg, var(--expense-red), #dc2626); }
.icon-circle.balance { background: linear-gradient(135deg, var(--balance-blue), #0891b2); }
.icon-circle.tax { background: linear-gradient(135deg, var(--tax-orange), #d97706); }
.icon-circle.profit { background: linear-gradient(135deg, var(--profit-purple), #7c3aed); }
.icon-circle.customers { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.icon-circle.products { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.icon-circle.invoices { background: linear-gradient(135deg, #10b981, #059669); }
.icon-circle.reports { background: linear-gradient(135deg, #f59e0b, #d97706); }
.icon-circle.connection { background: linear-gradient(135deg, #64748b, #475569); }

/* Modern sidebar improvements */
.sidebar {
    background: linear-gradient(120deg, #243043 0%, #1a293f 100%);
    color: var(--sidebar-text);
    box-shadow: var(--shadow-xl);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar .sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: var(--radius-lg);
    margin: 0.25rem 0.75rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.sidebar .sidebar-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-light);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
}

.sidebar .sidebar-link:hover {
    background: var(--sidebar-hover);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.sidebar .sidebar-link:hover::before {
    transform: translateX(0);
}

.sidebar .sidebar-link.active {
    background: var(--sidebar-active);
    box-shadow: var(--shadow-md);
}

.sidebar .sidebar-link.active::before {
    transform: translateX(0);
}

.sidebar .sidebar-link i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    transition: transform var(--transition-normal);
}

.sidebar .sidebar-link:hover i {
    transform: scale(1.1);
}

/* Modern bottom navigation */
.modern-bottom-nav .glass-nav {
    background: #243043;
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
    box-shadow: var(--shadow-xl), 0 -4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.modern-bottom-nav .nav-item-link {
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.modern-bottom-nav .nav-item-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: inherit;
}

.modern-bottom-nav .nav-item-link:hover {
    transform: translateY(-2px);
}

.modern-bottom-nav .nav-item-link.active {
    transform: translateY(-4px);
}

.modern-bottom-nav .nav-item-link.active::before {
    opacity: 0.1;
}

/* Modern buttons */
.btn-modern {
    background: var(--fa-gradient);
    color: #fff;
    border: none;
    border-radius: var(--fa-card-radius);
    padding: 1rem 2rem;
    font-weight: 700;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--fa-card-shadow);
    box-shadow: var(--shadow-md);
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn-modern:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(79,140,255,0.2);
    color: white;
}

.btn-modern:hover::before {
    left: 100%;
}

.btn-modern:active {
    transform: translateY(0);
}

/* Success button */
.btn-success-modern {
    background: linear-gradient(135deg, var(--income-green), #059669);
}

/* Danger button */
.btn-danger-modern {
    background: linear-gradient(135deg, var(--expense-red), #dc2626);
}

/* Warning button */
.btn-warning-modern {
    background: linear-gradient(135deg, var(--tax-orange), #d97706);
}

/* Primary button */
.btn-primary-modern {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    border: none;
    box-shadow: 0 4px 10px rgba(79,140,255,0.3);
}

/* Modern form controls */
.form-control-modern {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 0.75rem 1rem;
    transition: all var(--transition-normal);
    background: var(--bg-card);
}

.form-control-modern:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    outline: none;
}

/* Modern tables */
.table-modern {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.table-modern thead {
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
}

.table-modern th {
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
    padding: 1rem;
}

.table-modern td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

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

.table-modern tbody tr:hover {
    background: var(--gray-50);
    transform: scale(1.01);
}

/* Modern badges */
.badge-modern {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: var(--shadow-sm);
}

.badge-success-modern {
    background: linear-gradient(135deg, var(--income-green), #059669);
    color: white;
}

.badge-danger-modern {
    background: linear-gradient(135deg, var(--expense-red), #dc2626);
    color: white;
}

.badge-warning-modern {
    background: linear-gradient(135deg, var(--tax-orange), #d97706);
    color: white;
}

.badge-info-modern {
    background: linear-gradient(135deg, var(--balance-blue), #0891b2);
    color: white;
}

/* Modern alerts */
.alert-modern {
    border-radius: var(--radius-xl);
    border: none;
    box-shadow: var(--shadow-md);
    padding: 1rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.alert-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
}

.alert-success-modern {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.05));
    color: var(--gray-800);
}

.alert-success-modern::before {
    background: var(--income-green);
}

.alert-danger-modern {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.05));
    color: var(--gray-800);
}

.alert-danger-modern::before {
    background: var(--expense-red);
}

.alert-warning-modern {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.05));
    color: var(--gray-800);
}

.alert-warning-modern::before {
    background: var(--tax-orange);
}

.alert-info-modern {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(8, 145, 178, 0.05));
    color: var(--gray-800);
}

.alert-info-modern::before {
    background: var(--balance-blue);
}

/* Modern charts */
.chart-container {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

/* Loading animations */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Pulse animation for important elements */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .modern-card-body {
        padding: 1rem;
    }
    
    .dashboard-card .card-body {
        padding: 1.5rem;
    }
    
    .icon-circle {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    /* Adjust button group for mobile */
    .button-group {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        padding: 1rem; /* Ensure consistent padding */
    }

    .button-group .btn {
        max-width: 100%; /* Full width buttons on mobile */
    }

    /* Adjust header section for mobile */
    .header-section {
        flex-direction: column;
        align-items: flex-start;
        text-align: right;
        padding: 1rem; /* Adjust padding for mobile */
        border-radius: var(--radius-xl); /* Consistent with other elements */
    }

    .header-section > div:first-child {
        width: 100%;
        margin-bottom: 1rem;
    }

    /* Adjust filter card for mobile */
    .filter-card {
        padding: 1rem; /* Adjust padding for mobile */
    }
}

/* Button group styles (outside media query for desktop and base mobile) */
.button-group {
    display: flex;
    justify-content: center; /* Center buttons horizontally */
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-top: 1.5rem;
}

.button-group .btn {
    flex: 1 1 auto; /* Allow buttons to grow and shrink */
    max-width: 100%; /* Limit button width on larger screens */
    padding: 0.75rem 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm); /* Add shadow to buttons */
}

.button-group .btn-primary {
    background: linear-gradient(135deg, #4F46E5, #6366F1); /* Darker blue gradient */
    border-color: #4F46E5;
    color: white;
    box-shadow: 0 4px 10px rgba(79,140,255,0.3);
}

.button-group .btn-outline-primary {
    color: #4F46E5; /* Darker blue */
    border-color: #4F46E5;
    background-color: transparent;
}

.button-group .btn-outline-secondary {
    color: var(--gray-600); /* Darker gray for secondary */
    border-color: var(--gray-600);
    background-color: transparent;
}

.button-group .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Header Section for customer page */
.header-section {
    background: linear-gradient(135deg, #1E293B 0%, #334155 100%); /* Darker gradient */
    color: white;
    padding: 1.5rem 1rem;
    border-radius: var(--radius-xl);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.header-section h4 {
    color: white !important; /* Ensure white color */
    margin-bottom: 0.25rem !important;
}

.header-section .text-muted {
    color: rgba(255, 255, 255, 0.8) !important; /* Lighter muted text */
}

.header-section .badge {
    background: rgba(255, 255, 255, 0.2) !important;
    color: white !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
}

/* Filter card improvements */
.filter-card {
    background: linear-gradient(145deg, #1E293B 0%, #334155 100%); /* Darker gradient */
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    margin-bottom: 2rem;
    padding: 1.5rem;
    border: 1px solid #475569; /* Darker border */
}

.filter-card .form-label {
    font-weight: 600;
    color: var(--gray-100); /* Lighter label text */
    margin-bottom: 0.5rem;
}

.filter-card .form-control,
.filter-card .form-select {
    border-radius: var(--radius-md);
    border: 1px solid #475569; /* Darker border */
    background-color: #334155; /* Darker input background */
    color: var(--white); /* White text for input */
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.filter-card .form-control::placeholder { /* Placeholder color */
    color: var(--gray-400);
}

.filter-card .form-control:focus,
.filter-card .form-select:focus {
    border-color: #6a82fb; /* Primary light for focus */
    box-shadow: 0 0 0 0.2rem rgba(106,130,251,0.25);
    background-color: #1e293b; /* Even darker on focus */
}

.filter-card .position-relative .bx-search {
    color: var(--gray-400) !important; /* Lighter search icon */
    right: 1rem;
    transform: translateY(-50%);
    top: 50%;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* Focus styles for accessibility */
.btn-modern:focus,
.form-control-modern:focus,
.sidebar-link:focus {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .sidebar,
    .modern-bottom-nav,
    .btn-modern {
        display: none !important;
    }
    
    .modern-card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
}