/* Modern BillTrace Dashboard Styles */

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 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);
    --border-radius: 0.5rem;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
}

/* Layout Styles */
.page {
    display: flex;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.sidebar {
    width: 280px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar.collapsed {
    width: 80px;
}

.main {
    flex: 1;
    margin-left: 280px;
    transition: var(--transition);
    min-height: 100vh;
}

.sidebar.collapsed + .main {
    margin-left: 80px;
}

/* Top Navigation */
.top-row {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

/* Content Area */
.content {
    padding: 2rem;
    background: transparent;
}

/* Navigation Styles */
.nav {
    padding: 1rem 0;
}

.nav-item {
    margin: 0.25rem 0;
}

.nav-link {
    color: var(--dark-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.nav-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(4px);
}

.nav-link.active {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow);
}

.nav-link.disabled {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 0.9rem;
    background: var(--light-color);
    border: 1px solid var(--border-color);
}

/* Submenu Styles */
.nav .nav {
    margin-left: 1rem;
    border-left: 2px solid var(--border-color);
    padding-left: 1rem;
}

.nav .nav .nav-link {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    color: var(--secondary-color);
}

.nav .nav .nav-link:hover {
    background: var(--info-color);
    color: white;
}

/* Card Styles */
.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-bottom: none;
    padding: 1.5rem;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.card-body {
    padding: 1.5rem;
}

/* Button Styles */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border: none;
    box-shadow: var(--shadow);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

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

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
}

/* Form Styles */
.form-control {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.9);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
    background: white;
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Table Styles */
.table {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    font-weight: 600;
    padding: 1rem;
}

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

.table tbody tr:hover {
    background: rgba(37, 99, 235, 0.05);
}

.table tbody td {
    padding: 1rem;
    border-color: var(--border-color);
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background: rgba(6, 182, 212, 0.1);
    color: var(--info-color);
    border-left: 4px solid var(--info-color);
}

/* Badge Styles */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.8rem;
}

/* Modal Styles */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-bottom: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    background: var(--light-color);
}

/* Loading Spinner */
.spinner-border {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        transform: translateX(-100%);
        transition: var(--transition);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main {
        margin-left: 0;
    }
    
    .content {
        padding: 1rem;
    }
    
    .top-row {
        padding: 1rem;
    }
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

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

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.shadow-custom {
    box-shadow: var(--shadow-lg);
}

/* Page Title Styles */
.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

/* Dashboard Cards */
.dashboard-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.dashboard-card .icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

.dashboard-card .icon.success {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: white;
}

.dashboard-card .icon.warning {
    background: linear-gradient(135deg, var(--warning-color), #d97706);
    color: white;
}

.dashboard-card .icon.danger {
    background: linear-gradient(135deg, var(--danger-color), #dc2626);
    color: white;
}

/* Status Indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

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

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

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

::-webkit-scrollbar-track {
    background: var(--light-color);
}

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

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