:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --light: #ecf0f1;
    --dark: #34495e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: var(--primary);
    color: white;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    font-size: 1.8rem;
}

.notification-badge {
    background-color: var(--danger);
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    position: absolute;
    top: -5px;
    right: -5px;
}

.notification-icon {
    position: relative;
    cursor: pointer;
    font-size: 1.5rem;
}

.tabs {
    display: flex;
    background-color: white;
    border-radius: 8px 8px 0 0;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.tab {
    padding: 15px 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

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

.tab:hover:not(.active) {
    background-color: var(--light);
}

.tab-content {
    display: none;
    background-color: white;
    padding: 25px;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

.tab-content.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

input, select, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border 0.3s;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--secondary);
    outline: none;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

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

.btn-success:hover {
    background-color: #219955;
}

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

.btn-warning:hover {
    background-color: #e67e22;
}

.request-card {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    border-left: 4px solid var(--secondary);
}

.request-card.pending {
    border-left-color: var(--warning);
}

.request-card.confirmed {
    border-left-color: var(--success);
}

.request-card.completed {
    border-left-color: var(--primary);
}

.request-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.request-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.request-status {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status-pending {
    background-color: #fff3cd;
    color: #856404;
}

.status-confirmed {
    background-color: #d1ecf1;
    color: #0c5460;
}

.status-completed {
    background-color: #d4edda;
    color: #155724;
}

.request-details {
    margin-bottom: 15px;
    color: #666;
}

.request-actions {
    display: flex;
    gap: 10px;
}

.notification-panel {
    position: fixed;
    top: 0;
    right: -400px;
    width: 380px;
    height: 100vh;
    background-color: white;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
    transition: right 0.3s ease;
    z-index: 1000;
    padding: 20px;
    overflow-y: auto;
}

.notification-panel.active {
    right: 0;
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.notification-item {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    background-color: #f8f9fa;
}

.notification-item.unread {
    background-color: #e3f2fd;
    border-left: 4px solid var(--secondary);
}

.notification-title {
    font-weight: 600;
    margin-bottom: 5px;
}

.notification-time {
    font-size: 0.8rem;
    color: #777;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: none;
    z-index: 999;
}

.overlay.active {
    display: block;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    border-radius: 8px;
    padding: 25px;
    width: 90%;
    max-width: 500px;
    z-index: 1001;
    display: none;
}

.modal.active {
    display: block;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #777;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-label {
    color: #777;
    font-size: 0.9rem;
}

.email-notification {
    background-color: #e8f4fd;
    border-radius: 8px;
    padding: 15px;
    margin-top: 20px;
    border-left: 4px solid var(--secondary);
}

.email-notification h4 {
    margin-bottom: 10px;
    color: var(--primary);
}

@media (max-width: 768px) {
    .tabs {
        flex-direction: column;
    }
    
    .request-header {
        flex-direction: column;
        gap: 10px;
    }
    
    .request-actions {
        flex-wrap: wrap;
    }
    
    .notification-panel {
        width: 100%;
        right: -100%;
    }
}