/* ============================================================================
   Pristine Grace Books - Stylesheet
   ============================================================================ */

/* ============================================================================
   Dark Mode CSS Variables
   ============================================================================ */

:root {
    --books-page-bg: #f8f9fa;
    --books-card-bg: #fff;
    --books-card-hover-bg: #f8f9fa;
    --books-card-border: rgba(0,0,0,0.125);
    --books-card-shadow: rgba(0,0,0,0.1);
    --books-card-shadow-hover: rgba(0,0,0,0.15);
    --books-text-primary: #333;
    --books-text-secondary: #6c757d;
    --books-text-muted: #888;
    --books-link-color: #0d6efd;
    --books-author-name-hover: #0d6efd;
    --books-list-bg-light: #f8f9fa;
    --books-list-hover-bg: #f8f9fa;
    --books-border-color: #dee2e6;
    --books-input-bg: #fff;
    --books-input-border: #ced4da;
    --books-input-color: #212529;
    --books-breadcrumb-link: #6c757d;
    --books-alert-info-bg: #cfe2ff;
    --books-alert-info-border: #0d6efd;
    --books-alert-info-text: #084298;
    --books-cover-placeholder-start: #e0e0e0;
    --books-cover-placeholder-mid: #f5f5f5;
    --books-table-border: #dee2e6;
}

[data-theme="dark"] {
    --books-page-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --books-card-bg: #252538;
    --books-card-hover-bg: #2d2d44;
    --books-card-border: rgba(255,255,255,0.1);
    --books-card-shadow: rgba(0,0,0,0.3);
    --books-card-shadow-hover: rgba(0,0,0,0.4);
    --books-text-primary: #e0e0e0;
    --books-text-secondary: #a0a0a0;
    --books-text-muted: #888;
    --books-link-color: #6ea8fe;
    --books-author-name-hover: #6ea8fe;
    --books-list-bg-light: #2d2d44;
    --books-list-hover-bg: #2d2d44;
    --books-border-color: #404055;
    --books-input-bg: #2d2d44;
    --books-input-border: #404055;
    --books-input-color: #e0e0e0;
    --books-breadcrumb-link: #a0a0a0;
    --books-alert-info-bg: #1a3a5c;
    --books-alert-info-border: #6ea8fe;
    --books-alert-info-text: #a0c4ff;
    --books-cover-placeholder-start: #2d2d44;
    --books-cover-placeholder-mid: #353550;
    --books-table-border: #404055;
}

/* ============================================================================
   Hero Banner
   ============================================================================ */

.book-library-hero {
    min-height: 120px;
}

.book-library-hero .z-1 {
    z-index: 1;
}

/* ============================================================================
   Book Cover Cards (Grid View)
   ============================================================================ */

.book-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.book-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.book-card.border-success {
    border-width: 2px;
}

/* Cover image styling */
.book-cover-img {
    transition: transform 0.2s ease;
}

.book-card:hover .book-cover-img {
    transform: scale(1.02);
}

/* Text truncation for titles (2 lines) */
.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 2.8em;
    line-height: 1.4;
}

/* Loading placeholder for covers */
.book-cover-placeholder {
    background: linear-gradient(135deg, var(--books-cover-placeholder-start) 0%, var(--books-cover-placeholder-mid) 50%, var(--books-cover-placeholder-start) 100%);
    background-size: 200% 200%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Format badge colors */
.badge-pdf { background-color: #b22222 !important; }
.badge-epub { background-color: #008080 !important; }
.badge-mobi { background-color: #9400d3 !important; }

/* ============================================================================
   Author Cards
   ============================================================================ */

/* Author Cards */
.author-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border-radius: 12px;
}

.author-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.18) !important;
}

.author-card .card-title {
    font-weight: 600;
    font-size: 0.95rem;
}

/* Compact Author Cards */
.author-card-compact {
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
    border-radius: 8px;
    background: var(--books-card-bg);
}

.author-card-compact:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--books-card-shadow-hover) !important;
    background: var(--books-card-hover-bg);
}

.author-card-compact .author-name-link {
    font-size: 0.9rem;
    font-weight: 600;
}

.author-card-compact:hover .author-name-link {
    color: var(--books-author-name-hover) !important;
}

.author-monogram-sm {
    transition: transform 0.15s ease;
}

.author-card-compact:hover .author-monogram-sm {
    transform: scale(1.05);
}

.author-share-btn {
    opacity: 0.4;
    transition: opacity 0.15s ease;
}

.author-card-compact:hover .author-share-btn {
    opacity: 1;
}

.author-share-btn:hover {
    color: var(--books-link-color) !important;
}

/* Utility for text truncation */
.min-width-0 {
    min-width: 0;
}

/* Book list view actions */
.book-list-actions {
    flex-wrap: nowrap;
}

.book-list-actions .btn-text {
    display: inline;
}

/* Book list view responsive */
@media (max-width: 991.98px) {
    .book-list-actions .btn-text {
        display: none;
    }
    
    .book-list-actions .btn {
        padding: 0.375rem 0.5rem;
    }
}

@media (max-width: 767.98px) {
    .book-item .d-flex.w-100.align-items-center {
        flex-wrap: wrap;
    }
    
    .book-list-actions {
        width: 100%;
        margin-top: 0.5rem;
        justify-content: flex-start !important;
        flex-direction: row !important;
        flex-wrap: wrap;
        gap: 0.25rem !important;
    }
    
    .book-list-actions .btn {
        padding: 0.25rem 0.5rem;
        font-size: 0.8rem;
    }
}

/* Author monogram */
.author-monogram {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.author-card:hover .author-monogram {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25) !important;
}

/* Book Items */
.book-item {
    transition: background-color 0.2s;
    background-color: var(--books-card-bg);
}

.book-item:hover {
    background-color: var(--books-list-hover-bg);
}

.book-item h5,
.book-item h6 {
    color: var(--books-text-primary);
    font-weight: 500;
}

/* Cart Summary Bar */
.alert-info {
    border-left: 4px solid #0d6efd;
}

/* Badges */
.badge {
    font-weight: 500;
    font-size: 0.85em;
}

/* Buttons */
.btn-sm {
    font-size: 0.875rem;
}

/* Breadcrumbs */
.breadcrumb {
    background-color: transparent;
    padding: 0;
}

.breadcrumb-item a {
    text-decoration: none;
}

/* Format Sidebar */
.list-group-item-action {
    transition: background-color 0.2s, border-color 0.2s;
}

.list-group-item-action:hover {
    background-color: var(--books-list-hover-bg);
}

/* Responsive adjustments */
@media (max-width: 991px) {
    .book-library-hero {
        text-align: center;
    }
    
    .book-library-hero .display-6 {
        font-size: 1.5rem;
    }
    
    .book-library-hero .lead {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .author-card {
        margin-bottom: 0.5rem;
    }
    
    /* Stack the main content row (title/info vs buttons), but NOT the buttons themselves */
    .book-item > .d-flex.cart-item-row {
        flex-direction: column;
    }
    
    .book-item > .d-flex.cart-item-row > .ms-3 {
        margin-left: 0 !important;
        margin-top: 0.5rem;
    }
    
    /* Keep buttons in a horizontal row */
    .book-item .d-flex.gap-1 {
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        justify-content: flex-start !important;
    }
    
    /* Make buttons icon-only on mobile */
    .book-item .d-flex.gap-1 .btn {
        padding: 6px 10px;
        font-size: 0;
    }
    
    .book-item .d-flex.gap-1 .btn .bi,
    .book-item .d-flex.gap-1 .btn i {
        font-size: 14px;
    }
    
    /* Keep X button text visible */
    .book-item .d-flex.gap-1 .btn-outline-danger {
        font-size: 14px;
    }
}

/* Icons */
.bi {
    vertical-align: -0.125em;
}

/* Card Footer */
.card-footer {
    padding: 0.75rem 1.25rem;
}

/* Table in cart summary */
.table-sm td {
    padding: 0.5rem;
}

.table-sm tr:last-child {
    border-bottom: 2px solid var(--books-table-border);
}

/* Success state for "In Cart" buttons */
.btn-success.disabled {
    opacity: 0.8;
    cursor: default;
}

/* List group backgrounds */
.list-group-item.bg-light {
    background-color: var(--books-list-bg-light) !important;
    font-weight: 600;
    color: var(--books-text-primary);
}

/* Alert headings */
.alert-heading {
    font-weight: 600;
}

/* Download button emphasis */
.btn-success {
    font-weight: 600;
}

/* Spacing utilities */
.g-3 {
    gap: 1rem;
}

/* Format filter icons */
.bi-file-earmark-pdf {
    color: #dc3545;
}

.bi-file-earmark-text {
    color: #6c757d;
}

/* Empty state */
.alert-info h4 {
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Cart item remove button alignment */
.btn-outline-danger {
    border-color: #dc3545;
    color: #dc3545;
}

.btn-outline-danger:hover {
    background-color: #dc3545;
    color: white;
}

/* ============================================================================
   Book Cover Responsive Adjustments
   ============================================================================ */

@media (max-width: 576px) {
    .book-card .card-body {
        padding: 0.75rem;
    }
    
    .book-cover-img {
        width: 80px !important;
        height: 120px !important;
    }
    
    .text-truncate-2 {
        font-size: 0.9rem;
    }
}

/* Print styles */
@media print {
    .book-card {
        break-inside: avoid;
    }

    .btn, .alert {
        display: none;
    }
}

/* ============================================================================
   Dark Mode Overrides
   ============================================================================ */

/* Page container */
[data-theme="dark"] .container {
    color: var(--books-text-primary);
}

/* Cards */
[data-theme="dark"] .card {
    background-color: var(--books-card-bg);
    border-color: var(--books-card-border);
}

[data-theme="dark"] .card-header {
    background-color: var(--books-list-bg-light);
    border-color: var(--books-border-color);
    color: var(--books-text-primary);
}

[data-theme="dark"] .card-body {
    color: var(--books-text-primary);
}

[data-theme="dark"] .card-footer {
    background-color: var(--books-list-bg-light);
    border-color: var(--books-border-color);
}

[data-theme="dark"] .card-title {
    color: var(--books-text-primary);
}

/* Book cards */
[data-theme="dark"] .book-card {
    background-color: var(--books-card-bg);
    border-color: var(--books-card-border);
}

[data-theme="dark"] .book-card:hover {
    box-shadow: 0 4px 15px var(--books-card-shadow-hover);
}

[data-theme="dark"] .book-card .card-title {
    color: var(--books-text-primary);
}

/* Author cards */
[data-theme="dark"] .author-card-compact .author-name-link {
    color: var(--books-text-primary) !important;
}

[data-theme="dark"] .author-card-compact small {
    color: var(--books-text-secondary) !important;
}

/* List groups */
[data-theme="dark"] .list-group-item {
    background-color: var(--books-card-bg);
    border-color: var(--books-border-color);
    color: var(--books-text-primary);
}

[data-theme="dark"] .list-group-item-action:hover {
    background-color: var(--books-list-hover-bg);
    color: var(--books-text-primary);
}

[data-theme="dark"] .list-group-item a {
    color: var(--books-link-color);
}

/* Form controls */
[data-theme="dark"] .form-control {
    background-color: var(--books-input-bg);
    border-color: var(--books-input-border);
    color: var(--books-input-color);
}

[data-theme="dark"] .form-control:focus {
    background-color: var(--books-input-bg);
    color: var(--books-input-color);
    border-color: #6ea8fe;
}

[data-theme="dark"] .form-control::placeholder {
    color: var(--books-text-secondary);
}

[data-theme="dark"] .form-select {
    background-color: var(--books-input-bg);
    border-color: var(--books-input-border);
    color: var(--books-input-color);
}

[data-theme="dark"] .form-label {
    color: var(--books-text-primary);
}

/* Breadcrumbs */
[data-theme="dark"] .breadcrumb-item a {
    color: var(--books-link-color);
}

[data-theme="dark"] .breadcrumb-item.active {
    color: var(--books-text-secondary);
}

[data-theme="dark"] .breadcrumb-item + .breadcrumb-item::before {
    color: var(--books-text-secondary);
}

/* Alerts */
[data-theme="dark"] .alert-info {
    background-color: var(--books-alert-info-bg);
    border-color: var(--books-alert-info-border);
    color: var(--books-alert-info-text);
}

[data-theme="dark"] .alert-warning {
    background-color: #3d3a20;
    border-color: #665d1e;
    color: #ffe69c;
}

/* Tables */
[data-theme="dark"] .table {
    color: var(--books-text-primary);
    border-color: var(--books-border-color);
}

[data-theme="dark"] .table td {
    border-color: var(--books-border-color);
}

/* Text utilities */
[data-theme="dark"] .text-muted {
    color: var(--books-text-secondary) !important;
}

[data-theme="dark"] .text-dark {
    color: var(--books-text-primary) !important;
}

[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6 {
    color: var(--books-text-primary);
}

/* Buttons */
[data-theme="dark"] .btn-outline-secondary {
    color: var(--books-text-secondary);
    border-color: var(--books-border-color);
}

[data-theme="dark"] .btn-outline-secondary:hover {
    background-color: var(--books-list-hover-bg);
    color: var(--books-text-primary);
    border-color: var(--books-border-color);
}

/* Badges */
[data-theme="dark"] .badge.bg-secondary {
    background-color: #404055 !important;
}

/* bg-light cards */
[data-theme="dark"] .bg-light {
    background-color: var(--books-list-bg-light) !important;
    color: var(--books-text-primary);
}

/* Pagination */
[data-theme="dark"] .page-link {
    background-color: var(--books-card-bg);
    border-color: var(--books-border-color);
    color: var(--books-link-color);
}

[data-theme="dark"] .page-link:hover {
    background-color: var(--books-list-hover-bg);
    color: var(--books-link-color);
}

[data-theme="dark"] .page-item.active .page-link {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

[data-theme="dark"] .page-item.disabled .page-link {
    background-color: var(--books-list-bg-light);
    border-color: var(--books-border-color);
    color: var(--books-text-secondary);
}