/* Modern ZKTeco Attendance System - Custom CSS */

/* Enhanced animations and transitions */
.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); }
}

/* Loading animations */
.pulse {
    animation: pulse 2s infinite;
}

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

/* Enhanced buttons */
.btn-modern:active {
    transform: scale(0.98);
}

.btn-modern:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Table enhancements */
.table-hover tbody tr:hover {
    background-color: rgba(37, 99, 235, 0.05);
    transform: scale(1.01);
    transition: all 0.2s ease;
}

/* Badge styles */
.badge {
    font-size: 0.75em;
    padding: 0.4em 0.6em;
    border-radius: 0.5rem;
}

/* Alert enhancements */
.alert-modern {
    border-left: 4px solid;
    animation: slideIn 0.3s ease-out;
}

.alert-success { border-left-color: var(--success-color); }
.alert-danger { border-left-color: var(--danger-color); }
.alert-warning { border-left-color: var(--warning-color); }
.alert-info { border-left-color: var(--primary-color); }

/* Status indicators */
.status-indicator {
    position: relative;
    display: inline-block;
}

.status-indicator::before {
    content: '';
    position: absolute;
    top: -2px;
    right: -2px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid white;
}

.status-indicator.online::before {
    background-color: var(--success-color);
    animation: pulse 2s infinite;
}

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

/* Card enhancements */
.card {
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Progress bars */
.progress-modern {
    height: 8px;
    border-radius: 10px;
    background-color: #e2e8f0;
    overflow: hidden;
}

.progress-bar-modern {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #3b82f6);
    border-radius: 10px;
    transition: width 0.3s ease;
}

/* Responsive utilities */
@media (max-width: 576px) {
    .btn-modern {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .metric-card {
        margin-bottom: 1rem;
    }
    
    .control-panel {
        padding: 1rem;
    }
    
    .tab-modern {
        font-size: 0.9rem;
        padding: 10px 15px;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --dark-bg: #1a202c;
        --dark-card: #2d3748;
        --dark-text: #e2e8f0;
    }
    
    .dark-mode .main-container {
        background: rgba(45, 55, 72, 0.95);
        color: var(--dark-text);
    }
    
    .dark-mode .card {
        background: var(--dark-card);
        border-color: #4a5568;
    }
    
    .dark-mode .table {
        color: var(--dark-text);
    }
    
    .dark-mode .table-light {
        background-color: #4a5568;
    }
}

/* Print styles */
@media print {
    .header-section,
    .control-panel,
    .nav-tabs,
    .btn {
        display: none !important;
    }
    
    .main-container {
        box-shadow: none;
        border-radius: 0;
    }
    
    .table {
        font-size: 12px;
    }
}

/* Accessibility improvements */
.btn:focus,
.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.custom-scrollbar::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: #1d4ed8;
}

/* Loading states */
.loading-skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

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

.form-control.is-valid {
    border-color: var(--success-color);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

/* Notification styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1060;
    min-width: 300px;
    max-width: 400px;
}

.notification.slide-in-right {
    animation: slideInRight 0.3s ease-out;
}

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

/* Enhanced tooltips */
.tooltip-modern {
    position: relative;
    cursor: help;
}

.tooltip-modern::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark-color);
    color: white;
    padding: 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.tooltip-modern:hover::after {
    opacity: 1;
    visibility: visible;
}