/* Custom Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

.card {
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
}

.btn-primary {
    background-color: #2c3e50;
    border-color: #2c3e50;
}

.btn-primary:hover {
    background-color: #1a252f;
    border-color: #1a252f;
}

.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

footer {
    margin-top: auto;
}

/* Booking calendar */
.calendar-day {
    border: 1px solid #dee2e6;
    padding: 10px;
    min-height: 100px;
}

.calendar-day.available {
    background-color: #d4edda;
}

.calendar-day.booked {
    background-color: #f8d7da;
}

.calendar-day.today {
    border: 2px solid #007bff;
}

/* Form validation */
.was-validated .form-control:valid {
    border-color: #28a745;
}

.was-validated .form-control:invalid {
    border-color: #dc3545;
}

/* Responsive images */
.img-fluid {
    max-width: 100%;
    height: auto;
}

/* Card hover effects */
.hall-card:hover {
    transform: translateY(-5px);
    transition: transform 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Price tag */
.price-tag {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #e74c3c;
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9rem;
}

/* Loading spinner */
.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 2s linear infinite;
}

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