/* WiFi Attendance Tracker - Advanced Styles */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #059669;
    --success-hover: #047857;
    --danger-color: #dc2626;
    --danger-hover: #b91c1c;
    --warning-color: #d97706;
    --info-color: #0891b2;
    --light-bg: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.header-content h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.header-content h1 i {
    color: var(--primary-color);
    margin-right: 12px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.header-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Status Bar */
.status-bar {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.status-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Control Panel */
.control-panel {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.control-group {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.search-container {
    display: flex;
    gap: 8px;
    align-items: center;
}

.search-input {
    padding: 10px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
    width: 250px;
    transition: all 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background: #475569;
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: var(--success-hover);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger-hover);
    transform: translateY(-1px);
}

.btn-info {
    background: var(--info-color);
    color: white;
}

.btn-info:hover:not(:disabled) {
    background: #0e7490;
    transform: translateY(-1px);
}

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

.btn-outline:hover:not(:disabled) {
    background: var(--light-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.2s ease;
}

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

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
}

.stat-card.present .stat-icon {
    background: var(--success-color);
}

.stat-card.absent .stat-icon {
    background: var(--danger-color);
}

.stat-card.break .stat-icon {
    background: var(--warning-color);
}

.stat-card.timeout .stat-icon {
    background: var(--info-color);
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-content p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Main Grid */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

/* Panels */
.panel {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.panel-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-header h2 i {
    color: var(--primary-color);
}

.panel-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.panel-content {
    padding: 24px;
    max-height: 400px;
    overflow-y: auto;
}

/* Employee List */
.employee-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.employee-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: all 0.2s ease;
    cursor: pointer;
}

.employee-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.employee-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
    overflow: hidden;
}

.employee-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.employee-info {
    flex: 1;
}

.employee-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.employee-mac {
    font-size: 12px;
    color: var(--text-muted);
    font-family: 'Courier New', monospace;
}

.employee-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.present {
    background: #dcfce7;
    color: var(--success-color);
}

.status-badge.absent {
    background: #fef2f2;
    color: var(--danger-color);
}

.status-badge.break {
    background: #fef3c7;
    color: var(--warning-color);
}

.status-badge.timeout {
    background: #e0f2fe;
    color: var(--info-color);
}

.employee-time {
    font-size: 12px;
    color: var(--text-muted);
}

/* Events List */
.events-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.event-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-left: 4px solid var(--border-color);
    background: var(--light-bg);
    border-radius: 0 var(--radius) var(--radius) 0;
}

.event-item.time_in {
    border-left-color: var(--success-color);
}

.event-item.time_out {
    border-left-color: var(--danger-color);
}

.event-item.break_start {
    border-left-color: var(--warning-color);
}

.event-item.break_end {
    border-left-color: var(--info-color);
}

.event-item.timeout_5pm {
    border-left-color: var(--secondary-color);
}

.event-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: white;
}

.event-item.time_in .event-icon {
    background: var(--success-color);
}

.event-item.time_out .event-icon {
    background: var(--danger-color);
}

.event-item.break_start .event-icon {
    background: var(--warning-color);
}

.event-item.break_end .event-icon {
    background: var(--info-color);
}

.event-item.timeout_5pm .event-icon {
    background: var(--secondary-color);
}

.event-content {
    flex: 1;
}

.event-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.event-type {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: capitalize;
}

.event-time {
    font-size: 12px;
    color: var(--text-muted);
    text-align: right;
}

/* Summary Table */
.summary-table {
    overflow-x: auto;
}

.summary-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.summary-table th,
.summary-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.summary-table th {
    background: var(--light-bg);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
}

.summary-table tr:hover {
    background: var(--light-bg);
}

/* Form Elements */
.date-filter,
.date-input {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
    background: white;
}

.date-filter:focus,
.date-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideIn 0.3s ease;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--light-bg);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
    transition: all 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.form-group small {
    display: block;
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 12px;
}

/* Settings */
.settings-section {
    margin-bottom: 32px;
}

.settings-section:last-child {
    margin-bottom: 0;
}

.settings-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.info-grid {
    display: grid;
    gap: 12px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--light-bg);
    border-radius: var(--radius);
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.info-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Notifications */
.notifications {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.notification {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    min-width: 300px;
    animation: slideInRight 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);
}

.notification-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.notification-message {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Loading States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-muted);
    font-style: italic;
}

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

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }
    
    .header {
        flex-direction: column;
        text-align: center;
    }
    
    .header-actions {
        justify-content: center;
    }
    
    .status-bar {
        flex-direction: column;
        gap: 8px;
    }
    
    .control-panel {
        flex-direction: column;
        align-items: stretch;
    }
    
    .control-group {
        justify-content: center;
    }
    
    .search-container {
        flex-direction: column;
    }
    
    .search-input {
        width: 100%;
    }
    
    .main-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .employee-card {
        flex-direction: column;
        text-align: center;
    }
    
    .employee-status {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .panel-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .panel-actions {
        justify-content: center;
    }
}