:root {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.5;
    font-weight: 400;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container-fluid {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* Navigation Styles */
.navbar-brand {
    font-size: 1.5rem;
}

.nav-link {
    font-size: 1.1rem;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

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

    .nav-link.active {
        color: var(--bs-primary) !important;
        border-bottom: 2px solid var(--bs-primary);
    }

/* Book Card Styles */
.book-card {
    height: 100%;
    transition: transform 0.3s ease;
}

    .book-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

.book-cover {
    height: 250px;
    object-fit: cover;
}

.book-available {
    color: #198754;
}

.book-unavailable {
    color: #dc3545;
}

.book-badge {
    position: absolute;
    top: 10px;
    right: 10px;
}

.modal-book-cover {
    max-height: 300px;
    object-fit: contain;
}

.rating {
    color: #ffc107;
}

.empty-star {
    color: #e0e0e0;
}

.loading-spinner {
    width: 3rem;
    height: 3rem;
}

.error-container {
    padding: 2rem;
    text-align: center;
    background-color: #f8d7da;
    border-radius: 0.5rem;
    margin: 2rem 0;
}

/* Hero Section */
.hero-section {
    background-color: #f8f9fa;
    padding: 5rem 0;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #6c757d;
}

/* Catalog Page Specific */
.catalog-container {
    display: flex;
    flex-wrap: wrap;
}

.filters-sidebar {
    width: 100%;
}

.products-grid {
    width: 100%;
}

@media (min-width: 992px) {
    .filters-sidebar {
        width: 25%;
        padding-right: 1.5rem;
    }

    .products-grid {
        width: 75%;
    }
}

/* Fix for modal issues */
.modal-open {
    overflow: hidden;
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    width: 100vw;
    height: 100vh;
    background-color: #000;
}

    .modal-backdrop.fade {
        opacity: 0;
    }

    .modal-backdrop.show {
        opacity: 0.5;
    }

/* Search Bar */
.search-container {
    max-width: 600px;
    margin: 0 auto;
}

.search-input {
    border-radius: 50px;
    padding-left: 1rem;
    padding-right: 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.search-button {
    border-radius: 50px;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

/* Booking Status Badges */
.badge.status-active {
    background-color: #0d6efd;
}

.badge.status-returned {
    background-color: #198754;
}

.badge.status-overdue {
    background-color: #dc3545;
}

/* Reservation Card */
.reservation-card {
    transition: transform 0.3s ease;
}

    .reservation-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

.reservation-cover {
    height: 150px;
    object-fit: cover;
}

/* User Profile Dropdown */
.dropdown-menu {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    border-radius: 0.5rem;
}

.dropdown-item {
    padding: 0.5rem 1rem;
    transition: background-color 0.2s ease;
}

    .dropdown-item:hover {
        background-color: rgba(13, 110, 253, 0.1);
    }

    .dropdown-item i {
        width: 1.25rem;
        text-align: center;
    }

.dropdown-header {
    font-weight: 600;
    color: #6c757d;
}



/* NOTIFICATION */
/* Notification container styles */
.notification-container {
    z-index: 9999;
    max-width: 100%;
    width: 350px;
    pointer-events: none; /* Allow clicks to pass through container */
}

/* Individual notification styles */
.notification {
    margin-bottom: 0.75rem;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease-in-out;
    pointer-events: auto; /* Re-enable pointer events for notifications */
    overflow: hidden;
    border-left-width: 4px;
}

    /* Entrance animation */
    .notification.show {
        opacity: 1;
        transform: translateX(0);
    }

    /* Exit animation */
    .notification.hiding {
        opacity: 0;
        transform: translateX(20px);
    }

/* Type-specific styles */
.notification-success {
    border-color: #198754;
}

.notification-error {
    border-color: #dc3545;
}

.notification-warning {
    border-color: #ffc107;
}

.notification-info {
    border-color: #0dcaf0;
}

/* Icon styles */
.notification-icon {
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .notification-container {
        width: 100%;
        padding: 0.5rem;
    }

    .notification {
        margin-left: 0.5rem;
        margin-right: 0.5rem;
    }
}

/* Accessibility focus styles */
.notification:focus {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
}

/* Custom animations for different positions */
.notification-container.top-right .notification,
.notification-container.bottom-right .notification {
    transform: translateX(20px);
}

.notification-container.top-left .notification,
.notification-container.bottom-left .notification {
    transform: translateX(-20px);
}

.notification-container.top-center .notification,
.notification-container.bottom-center .notification {
    transform: translateY(-20px);
}

    .notification-container.top-right .notification.show,
    .notification-container.bottom-right .notification.show,
    .notification-container.top-left .notification.show,
    .notification-container.bottom-left .notification.show,
    .notification-container.top-center .notification.show,
    .notification-container.bottom-center .notification.show {
        transform: translateX(0) translateY(0);
    }

/* Progress bar for auto-dismiss */
.notification-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.5);
    width: 100%;
}

.notification-progress-bar {
    height: 100%;
    width: 100%;
    transform-origin: left;
    animation: progress-bar-shrink linear forwards;
}

@keyframes progress-bar-shrink {
    0% {
        transform: scaleX(1);
    }

    100% {
        transform: scaleX(0);
    }
}