/* BRZ Finance - Modern Design System */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #3b82f6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    --dark: #1e293b;
    --light: #f8fafc;
    --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;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

/* Modern Navbar */
.navbar-modern {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar-modern .navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-modern .nav-link {
    color: var(--gray-700);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.navbar-modern .nav-link:hover {
    color: var(--primary);
    background: var(--gray-100);
}

/* Hero Section */
.hero-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Modern Cards */
.card-modern {
    background: white;
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
    padding: 1.5rem;
}

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

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

/* Stat Cards */
.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

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

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

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.stat-card .stat-label {
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Pricing Cards */
.pricing-card {
    background: white;
    border-radius: var(--border-radius);
    border: 2px solid var(--gray-200);
    padding: 2rem;
    position: relative;
    transition: var(--transition);
}

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

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.pricing-card .badge-popular {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Modern Buttons */
.btn-modern {
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary-modern {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
}

.btn-primary-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.5);
}

.btn-outline-modern {
    background: transparent;
    border: 2px solid var(--gray-300);
    color: var(--gray-700);
}

.btn-outline-modern:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--gray-50);
}

/* Modern Sidebar */
.sidebar-modern {
    background: white;
    border-right: 1px solid var(--gray-200);
    min-height: 100vh;
    width: 280px;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

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

.sidebar-modern .nav-item {
    margin: 0.25rem 1rem;
}

.sidebar-modern .nav-link {
    color: var(--gray-700);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.sidebar-modern .nav-link:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.sidebar-modern .nav-link.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 12px 0 rgba(99, 102, 241, 0.3);
}

/* Main Content Area */
.main-content {
    margin-left: 280px;
    padding: 2rem;
    min-height: 100vh;
    background: var(--gray-50);
}

/* Modern Tables */
.table-modern {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.table-modern thead {
    background: linear-gradient(135deg, var(--gray-50), var(--white));
    border-bottom: 2px solid var(--gray-200);
}

.table-modern th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table-modern td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

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

/* Modern Forms */
.form-modern .form-label {
    color: var(--gray-700);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.form-modern .form-control {
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background: white;
}

.form-modern .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    outline: none;
}

/* Feature Cards */
.feature-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    height: 100%;
}

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

.feature-card .feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Modern Badges */
.badge-modern {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.badge-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.badge-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.badge-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.badge-info {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    color: white;
}

/* Alerts */
.alert-modern {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid;
}

.alert-modern.alert-info {
    background: linear-gradient(135deg, #dbeafe, #eff6ff);
    border-color: #3b82f6;
    color: #1e40af;
}

.alert-modern.alert-success {
    background: linear-gradient(135deg, #d1fae5, #ecfdf5);
    border-color: #10b981;
    color: #065f46;
}

.alert-modern.alert-warning {
    background: linear-gradient(135deg, #fed7aa, #fef3c7);
    border-color: #f59e0b;
    color: #92400e;
}

.alert-modern.alert-danger {
    background: linear-gradient(135deg, #fecaca, #fee2e2);
    border-color: #ef4444;
    color: #991b1b;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .sidebar-modern {
        transform: translateX(-100%);
        width: 260px;
    }
    
    .sidebar-modern.active {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }
    
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-gradient {
        padding: 4rem 0;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .pricing-card {
        margin-bottom: 1.5rem;
    }
    
    .table-modern {
        overflow-x: auto;
    }
    
    .navbar-modern {
        padding: 0.75rem 0;
    }
}

/* Loading Animation */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

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

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

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

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.slide-in {
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}