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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #f8fafc;
    color: #334155;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

.header {
    background: white;
    border-radius: 12px;
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header h1 {
    font-size: 2rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
}

.header p {
    color: #64748b;
    font-size: 1.1rem;
}

.nav {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.nav-btn {
    background: white;
    border: 1px solid #e2e8f0;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: #64748b;
    transition: all 0.2s ease;
}

.nav-btn.active {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.nav-btn:hover:not(.active) {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.content {
    background: white;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    min-height: 500px;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
}

.btn {
    background: #3b82f6;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    background: #2563eb;
}

.btn-outline {
    background: transparent;
    color: #3b82f6;
    border: 1px solid #3b82f6;
}

.btn-outline:hover {
    background: #3b82f6;
    color: white;
}

.btn-success {
    background: #10b981;
}

.btn-success:hover {
    background: #059669;
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: #f8fafc;
    padding: 24px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #e2e8f0;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 4px;
}

.stat-label {
    color: #64748b;
    font-size: 0.9rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.2s ease;
}

.card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
}

.status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.status-confirmed {
    background: #dcfce7;
    color: #166534;
}

.status-pending {
    background: #fef3c7;
    color: #92400e;
}

.status-proposal {
    background: #e0e7ff;
    color: #3730a3;
}

.status-cancelled {
    background: #fecaca;
    color: #991b1b;
}

.card-info {
    color: #64748b;
    font-size: 0.9rem;
    margin: 4px 0;
}

.card-price {
    font-size: 1.3rem;
    font-weight: 600;
    color: #059669;
    margin: 12px 0;
}

.card-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-weight: 500;
    color: #374151;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.search {
    width: 100%;
    max-width: 300px;
    padding: 10px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.search:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-section {
    background: #f8fafc;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid #e2e8f0;
}

.form-section h3 {
    margin-bottom: 16px;
    color: #374151;
}

.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    border-bottom: 1px solid #e2e8f0;
}

.tab {
    padding: 12px 20px;
    background: none;
    border: none;
    cursor: pointer;
    color: #64748b;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.tab.active {
    color: #3b82f6;
    border-bottom-color: #3b82f6;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 24px;
}

.calendar-day {
    background: white;
    padding: 12px;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.calendar-day.today {
    background: #eff6ff;
}

.calendar-day.booked {
    background: #fef3c7;
}

.calendar-event {
    background: #3b82f6;
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    margin-top: 4px;
    width: 100%;
    text-align: center;
}

.booking-widget {
    background: #f8fafc;
    border-radius: 12px;
    padding: 24px;
    border: 2px dashed #cbd5e1;
    text-align: center;
    margin-bottom: 24px;
}

.booking-widget h3 {
    margin-bottom: 8px;
    color: #374151;
}

.booking-widget p {
    color: #64748b;
    margin-bottom: 16px;
}

.package-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.package-card {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: all 0.2s ease;
}

.package-card:hover {
    border-color: #3b82f6;
}

.package-card.featured {
    border-color: #10b981;
    background: #f0fdf4;
}

.package-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
}

.package-price {
    font-size: 2rem;
    font-weight: 700;
    color: #059669;
    margin-bottom: 12px;
}

.package-features {
    list-style: none;
    margin-bottom: 20px;
}

.package-features li {
    padding: 4px 0;
    color: #64748b;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .container {
        padding: 16px;
    }

    .nav {
        flex-wrap: wrap;
    }

    .section-header {
        flex-direction: column;
        align-items: stretch;
    }

    .stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid {
        grid-template-columns: 1fr;
    }

    .calendar-grid {
        grid-template-columns: 1fr;
    }

    .package-grid {
        grid-template-columns: 1fr;
    }
}