:root {
    --primary-color: #3F72AF;
    --secondary-color: #112D4E;
    --light-blue: #DBE2EF;
    --light-gray: #F9F7F7;
    --dark-text: #112D4E;
    --light-text: #FFFFFF;
}

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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: white;
}

/* Header Styles */
.header {
    background: var(--primary-color);
    color: var(--light-text);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header h1 {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 700;
}

.header p {
    margin: 0.5rem 0 0 0;
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Navigation */
.navbar {
    background-color: var(--light-text);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-link {
    color: var(--dark-text) !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

/* Button Styles */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--light-text);
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(185, 55, 93, 0.3);
}

.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--light-text);
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(210, 93, 93, 0.3);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background-color: transparent;
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--light-text);
    transform: translateY(-2px);
}

/* Card Styles */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 2rem;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-text);
    border: none;
    padding: 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-body {
    padding: 2rem;
}

/* Form Styles */
.form-control {
    border: 2px solid var(--light-pink);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(185, 55, 93, 0.25);
}

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

/* Table Styles */
.table {
    background-color: var(--light-text);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-text);
    border: none;
    padding: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--light-pink);
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: var(--light-pink);
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: 10px;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border-left: 4px solid #ffc107;
}

/* Modal Styles */
.modal-content {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-text);
    border: none;
    border-radius: 15px 15px 0 0;
    padding: 1.5rem;
}

.modal-title {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border: none;
    padding: 1.5rem;
    background-color: var(--light-gray);
}

/* Price List Styles */
.price-list {
    background-color: var(--light-text);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.category-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--light-gray);
    border-radius: 15px;
    border-left: 5px solid var(--primary-color);
}

.category-title {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background-color: var(--light-text);
    border-radius: 10px;
    border-left: 3px solid var(--secondary-color);
    transition: transform 0.3s ease;
}

.service-item:hover {
    transform: translateX(5px);
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.service-name {
    font-weight: 600;
    color: var(--dark-text);
}

.service-price {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.service-duration {
    color: var(--secondary-color);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Admin Panel Styles */
.admin-sidebar {
    background: #112D4E;
    min-height: 100vh;
    padding: 2rem 0;
}

.admin-sidebar .nav-link {
    color: #DBE2EF !important;
    padding: 1rem 2rem;
    margin: 0.5rem 0;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    background-color: #3F72AF;
    color: white !important;
}

.admin-content {
    padding: 2rem;
    background-color: white;
    min-height: 100vh;
}

/* Admin Table Styles */
.admin-content .table {
    background-color: white;
    border: 1px solid #e5e7eb;
}

.admin-content .table th {
    background-color: #3F72AF;
    color: white;
    border-color: #e5e7eb;
    font-weight: 600;
}

.admin-content .table td {
    border-color: #e5e7eb;
    vertical-align: middle;
}

.admin-content .table-striped tbody tr:nth-of-type(odd) {
    background-color: #f8f9fa;
}

.admin-content .table-hover tbody tr:hover {
    background-color: #e9ecef;
}

/* Booking Form Styles */
.booking-form {
    background-color: var(--light-text);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.time-slot {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin: 0.25rem;
    background-color: var(--light-pink);
    border: 2px solid var(--light-pink);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.time-slot:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--light-text);
}

.time-slot.selected {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--light-text);
}

.time-slot.disabled {
    background-color: #f8f9fa;
    border-color: #dee2e6;
    color: #6c757d;
    cursor: not-allowed;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .service-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .admin-sidebar {
        min-height: auto;
    }
}

/* Animation Classes */
.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 0.5s ease-out;
}

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

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--light-pink);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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