/* Custom CSS for SBC Meter Reading & Billing System */

:root {
    --primary: #007bff;
    --success: #28a745;
    --info: #17a2b8;
    --warning: #ffc107;
    --danger: #dc3545;
    --light: #f8f9fa;
    --dark: #343a40;
}

/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

/* Navigation */
.navbar-brand {
    font-weight: 600;
}

.nav-link {
    font-weight: 500;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.card-header {
    background-color: #f8f9fc;
    border-bottom: 1px solid #e3e6f0;
}

/* Colored card borders */
.border-left-primary {
    border-left: 0.25rem solid var(--primary) !important;
}

.border-left-success {
    border-left: 0.25rem solid var(--success) !important;
}

.border-left-info {
    border-left: 0.25rem solid var(--info) !important;
}

.border-left-warning {
    border-left: 0.25rem solid var(--warning) !important;
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: 0.35rem;
}

.btn-lg {
    padding: 1rem 1.5rem;
    font-size: 1rem;
}

/* Tables */
.table {
    font-size: 0.9rem;
}

.table th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
    border-top: none;
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.05);
}

/* Forms */
.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Modals */
.modal-header {
    background-color: #f8f9fc;
    border-bottom: 1px solid #e3e6f0;
}

.modal-title {
    font-weight: 600;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 0.35rem;
}

/* Badges */
.badge {
    font-weight: 500;
    font-size: 0.75em;
}

/* Loading spinner customization */
.spinner-border {
    width: 2rem;
    height: 2rem;
}

/* Connection status indicators */
.connection-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.connected {
    background-color: var(--success);
}

.status-dot.disconnected {
    background-color: var(--danger);
}

/* Dashboard specific styles */
.dashboard-card {
    transition: transform 0.2s ease-in-out;
}

.dashboard-card:hover {
    transform: translateY(-2px);
}

/* Client table specific styles */
.client-actions {
    white-space: nowrap;
}

.client-actions .btn {
    margin-right: 0.25rem;
}

.client-actions .btn:last-child {
    margin-right: 0;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .table-responsive {
        font-size: 0.8rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
    
    .modal-dialog {
        margin: 0.5rem;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Print styles */
@media print {
    .navbar,
    .btn,
    .modal,
    .alert {
        display: none !important;
    }
    
    .card {
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

/* Utility classes */
.text-xs {
    font-size: 0.75rem;
}

.font-weight-bold {
    font-weight: 700 !important;
}

.text-gray-800 {
    color: #5a5c69 !important;
}

.shadow {
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15) !important;
}

/* Focus improvements for accessibility */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Loading overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-overlay .spinner-border {
    width: 3rem;
    height: 3rem;
}