/**
 * Advanced UI Components CSS
 * for Django Contractor Management System
 */

/* Custom Variables */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

/* Advanced Card Components */
.advanced-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid #e9ecef;
    overflow: hidden;
}

.advanced-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.advanced-card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-bottom: none;
}

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

.advanced-card-footer {
    background: #f8f9fa;
    padding: 1rem 1.5rem;
    border-top: 1px solid #e9ecef;
}

/* Status Indicators */
.status-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-indicator.active {
    background-color: var(--success-color);
    box-shadow: 0 0 0 2px rgba(40, 167, 69, 0.3);
}

.status-indicator.inactive {
    background-color: var(--secondary-color);
}

.status-indicator.pending {
    background-color: var(--warning-color);
    animation: pulse 2s infinite;
}

.status-indicator.error {
    background-color: var(--danger-color);
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Progress Components */
.progress-container {
    background: #f8f9fa;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
}

.progress-bar-animated {
    position: relative;
    overflow: hidden;
}

.progress-bar-animated::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: linear-gradient(
        -45deg,
        rgba(255, 255, 255, 0.2) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.2) 75%,
        transparent 75%,
        transparent
    );
    background-size: 50px 50px;
    animation: move 2s linear infinite;
}

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

/* Badge Components */
.badge-advanced {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-advanced.priority-critical {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
}

.badge-advanced.priority-high {
    background: linear-gradient(45deg, #ffa726, #ff9800);
    color: white;
}

.badge-advanced.priority-medium {
    background: linear-gradient(45deg, #42a5f5, #2196f3);
    color: white;
}

.badge-advanced.priority-low {
    background: linear-gradient(45deg, #66bb6a, #4caf50);
    color: white;
}

/* Button Components */
.btn-advanced {
    border-radius: var(--border-radius);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-advanced::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 0.5s;
}

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

.btn-advanced.btn-gradient {
    background: linear-gradient(45deg, var(--primary-color), #0056b3);
    border: none;
    color: white;
}

.btn-advanced.btn-gradient:hover {
    background: linear-gradient(45deg, #0056b3, var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,123,255,0.4);
}

/* Form Components */
.form-group-advanced {
    margin-bottom: 1.5rem;
}

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

.form-control-advanced {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background: white;
}

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

.form-control-advanced.is-invalid {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 0.2rem rgba(220,53,69,0.25);
}

.form-control-advanced.is-valid {
    border-color: var(--success-color);
    box-shadow: 0 0 0 0.2rem rgba(40,167,69,0.25);
}

/* Search and Filter Components */
.search-container {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--box-shadow);
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.filter-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-tag .remove {
    cursor: pointer;
    font-weight: bold;
}

/* Data Table Components */
.data-table-container {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.data-table-header {
    background: #f8f9fa;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    justify-content: between;
    align-items: center;
}

.data-table-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
}

.data-table-actions {
    display: flex;
    gap: 0.5rem;
}

/* Modal Components */
.modal-advanced .modal-content {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.modal-advanced .modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-bottom: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-advanced .modal-footer {
    border-top: 1px solid #e9ecef;
    background: #f8f9fa;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* Notification Components */
.notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
}

.notification {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 1rem;
    padding: 1rem;
    border-left: 4px solid var(--primary-color);
    animation: slideIn 0.3s ease;
}

.notification.success {
    border-left-color: var(--success-color);
}

.notification.error {
    border-left-color: var(--danger-color);
}

.notification.warning {
    border-left-color: var(--warning-color);
}

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

/* Loading Components */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Timeline Components */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e9ecef;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 1.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid white;
    box-shadow: 0 0 0 2px #e9ecef;
}

.timeline-item.completed::before {
    background: var(--success-color);
}

.timeline-item.pending::before {
    background: var(--warning-color);
    animation: pulse 2s infinite;
}

.timeline-item.error::before {
    background: var(--danger-color);
}

/* Chart Components */
.chart-container {
    position: relative;
    height: 300px;
    background: white;
    border-radius: var(--border-radius);
    padding: 1rem;
    box-shadow: var(--box-shadow);
}

.chart-header {
    display: flex;
    justify-content: between;
    align-items: center;
    margin-bottom: 1rem;
}

.chart-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
}

.chart-legend {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .advanced-card {
        margin-bottom: 1rem;
    }
    
    .data-table-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .data-table-actions {
        justify-content: center;
    }
    
    .notification-container {
        left: 20px;
        right: 20px;
        max-width: none;
    }
    
    .timeline {
        padding-left: 1rem;
    }
    
    .timeline::before {
        left: 0.5rem;
    }
    
    .timeline-item::before {
        left: -0.5rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --light-color: #2d3748;
        --dark-color: #f7fafc;
    }
    
    .advanced-card {
        background: #2d3748;
        color: #f7fafc;
    }
    
    .form-control-advanced {
        background: #4a5568;
        border-color: #4a5568;
        color: #f7fafc;
    }
    
    .search-container {
        background: #2d3748;
        color: #f7fafc;
    }
    
    .data-table-container {
        background: #2d3748;
        color: #f7fafc;
    }
}

/* Print Styles */
@media print {
    .advanced-card {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .btn-advanced {
        display: none;
    }
    
    .notification-container {
        display: none;
    }
    
    .loading-overlay {
        display: none;
    }
}