:root {
    --primary: #3498db;
    --primary-dark: #2980b9;
    --secondary: #2c3e50;
    --success: #27ae60;
    --danger: #e74c3c;
    --warning: #f39c12;
    --info: #3498db;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --gray: #95a5a6;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background: #f8f9fa;
    color: #333;
}

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

/* ===== NAVBAR ===== */
.navbar {
    background: var(--secondary);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.navbar .brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

.navbar .brand span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    color: white;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-links a:hover {
    background: rgba(255,255,255,0.1);
}

.nav-links a.active {
    background: var(--primary);
}

.btn-nav {
    background: var(--primary);
    padding: 8px 20px !important;
    border-radius: 4px !important;
}

.btn-nav:hover {
    background: var(--primary-dark) !important;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 10px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background: #1a252f;
}

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

.btn-success:hover {
    background: #219a52;
}

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

.btn-danger:hover {
    background: #c0392b;
}

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

.btn-warning:hover {
    background: #d68910;
}

.btn-sm {
    padding: 5px 12px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 14px 35px;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
    display: block;
}

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

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

/* ===== FORMS ===== */
.form-container {
    max-width: 550px;
    margin: 50px auto;
    background: white;
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-container h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--secondary);
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--secondary);
}

.form-group .required {
    color: var(--danger);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-group .help-text {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ===== CARDS ===== */
.card {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
}

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

.card-header h3 {
    color: var(--secondary);
}

/* ===== ALERTS ===== */
.alert {
    padding: 14px 20px;
    border-radius: 4px;
    margin-bottom: 20px;
    border-left: 4px solid transparent;
}

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

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

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border-color: #ffc107;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-color: #17a2b8;
}

/* ===== TABLES ===== */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
}

table thead {
    background: var(--secondary);
    color: white;
}

table th,
table td {
    padding: 12px 16px;
    text-align: left;
}

table tbody tr:nth-child(even) {
    background: #f8f9fa;
}

table tbody tr:hover {
    background: #e8f0fe;
}

/* ===== STATUS BADGES ===== */
.status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

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

.status-suspended {
    background: #f8d7da;
    color: #721c24;
}

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

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

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

.status-cancelled {
    background: #f8d7da;
    color: #721c24;
}

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

/* ===== DASHBOARD STATS ===== */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 25px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.stat-card .number {
    font-size: 2.2rem;
    font-weight: bold;
    color: var(--secondary);
}

.stat-card .label {
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 5px;
}

.stat-card .icon {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

/* ===== USER GRID ===== */
.user-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.user-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.user-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.12);
}

.user-card .user-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.user-card .user-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--light);
}

.user-card .user-info {
    flex: 1;
}

.user-card .user-name {
    font-weight: 600;
    color: var(--secondary);
}

.user-card .user-email {
    font-size: 0.85rem;
    color: var(--gray);
}

/* ===== PROFILE ===== */
.profile-header {
    text-align: center;
    padding: 30px 0;
}

.profile-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    border: 4px solid var(--primary);
}

.profile-header h1 {
    color: var(--secondary);
    margin-bottom: 5px;
}

.profile-header .profession {
    color: var(--gray);
    font-size: 1.1rem;
}

.profile-header .subdomain {
    color: var(--primary);
    font-size: 0.95rem;
}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #25D366;
    color: white;
    padding: 10px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.whatsapp-btn:hover {
    background: #1da851;
    transform: scale(1.05);
    color: white;
}

.whatsapp-btn .whatsapp-icon {
    font-size: 1.2rem;
}

/* ===== BOOKING ===== */
.booking-form {
    max-width: 600px;
    margin: 0 auto;
}

.booking-list {
    display: grid;
    gap: 15px;
}

.booking-item {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
}

.booking-item .booking-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.booking-item .client-name {
    font-weight: 600;
    color: var(--secondary);
}

.booking-item .booking-meta {
    color: var(--gray);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 10px;
    }
    
    .nav-links {
        justify-content: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-container {
        margin: 20px 15px;
        padding: 20px;
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    .user-grid {
        grid-template-columns: 1fr;
    }
    
    .card-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .nav-links a {
        padding: 5px 10px;
        font-size: 0.9rem;
    }
}

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray); }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.p-20 { padding: 20px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-10 { gap: 10px; }
.gap-20 { gap: 20px; }