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

:root {
    --primary-red: #B22222;
    --primary-white: #FFFFFF;
    --primary-gray: #4A4A4A;
    --primary-beige: #F5E6B8;
    --primary-black: #000000;
    --light-gray: #F5F5F5;
    --border-color: #DDD;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-gray);
    color: var(--primary-gray);
    line-height: 1.6;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-red), #8B0000);
    color: var(--primary-white);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.nav {
    display: flex;
    gap: 1rem;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(255,255,255,0.1);
    color: var(--primary-white);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-btn:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

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

/* Main content */
.main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Messages */
.messages {
    margin-bottom: 2rem;
}

.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.alert-success {
    background-color: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}

.alert-error {
    background-color: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

.alert-warning {
    background-color: #FFF3CD;
    color: #856404;
    border: 1px solid #FFEAA7;
}

/* Cards */
.card {
    background: var(--primary-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--light-gray);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-red);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Forms */
.form {
    display: grid;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-red);
}

.form-group input[readonly],
.form-group select[readonly] {
    background-color: var(--light-gray);
    color: var(--primary-gray);
}

.form-help {
    font-size: 0.8rem;
    color: var(--primary-gray);
    margin-top: 0.25rem;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background: #8B0000;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: #333;
}

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

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Service type selection */
.service-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.service-type-card {
    background: var(--primary-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--primary-gray);
}

.service-type-card:hover {
    border-color: var(--primary-red);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(178, 34, 34, 0.15);
}

.service-type-card.selected {
    border-color: var(--primary-red);
    background: var(--primary-red);
    color: var(--primary-white);
}

.service-type-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-type-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Tables */
.table-container {
    background: var(--primary-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

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

.table th {
    background: var(--light-gray);
    font-weight: 600;
    color: var(--primary-gray);
}

.table tr:hover {
    background: rgba(178, 34, 34, 0.05);
}

/* Dashboard stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--primary-white);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-red);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--primary-gray);
    font-weight: 500;
}

/* Filters */
.filters {
    background: var(--primary-white);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.filters-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

/* Responsive design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .main {
        padding: 0 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .service-types {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}