/* Gaya Dasar */
body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-image: url('https://images.unsplash.com/photo-1436491865332-7a61a109cc05?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-blend-mode: overlay;
    background-color: rgba(248, 249, 250, 0.9);
}

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

/* Header */
header h1 {
    color: #0d6efd;
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

/* Kartu */
.card {
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    border: none;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    background-color: #0d6efd;
    color: white;
    border-radius: 10px 10px 0 0 !important;
    padding: 1rem 1.5rem;
}

.card-header h2 {
    margin: 0;
    font-size: 1.5rem;
}

/* Tombol */
.btn {
    border-radius: 5px;
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
}

/* Timeline */
#timeline {
    margin-top: 20px;
}

.day-section {
    margin-bottom: 30px;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    overflow: hidden;
    background-color: white;
}

.day-header {
    background-color: #e9ecef;
    padding: 12px 15px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #dee2e6;
}

.activity-item {
    padding: 15px;
    border-bottom: 1px solid #dee2e6;
    background-color: white;
    cursor: move;
    transition: all 0.3s ease;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-item:hover {
    background-color: #f8f9fa;
}

.activity-time {
    font-weight: bold;
    color: #0d6efd;
    margin-right: 10px;
}

.activity-cost {
    color: #28a745;
    font-weight: bold;
}

.activity-location {
    color: #6c757d;
    font-size: 0.9em;
    margin-top: 5px;
}

.total-cost {
    font-weight: bold;
    color: #dc3545;
    text-align: right;
    padding: 12px;
    background-color: #f8f9fa;
    border-top: 1px solid #dee2e6;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #6c757d;
}

.empty-state i {
    font-size: 50px;
    margin-bottom: 15px;
    color: #adb5bd;
}

.empty-state h3 {
    margin-bottom: 10px;
    color: #495057;
}

/* Modal */
.modal-title {
    font-weight: 600;
}

/* Responsif */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 1.8rem;
    }
    
    .card-header h2 {
        font-size: 1.3rem;
    }
}