/**
 * Catalog Viewer Styles
 * Wine Auction Catalog Viewer - Maison Blanche
 */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    --viewer-bg: #1a1a1a;
    --viewer-header-bg: #050505;
    --viewer-sidebar-bg: #0a0a0a;
    --viewer-text: #f7f5f0;
    --viewer-text-muted: #888;
    --viewer-border: rgba(255, 255, 255, 0.1);
    --viewer-gold: #d5a24d;
    --viewer-gold-hover: #e5b25d;
    --font-display: 'Poiret One', cursive;
    --font-body: 'Noto Sans JP', sans-serif;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

body.page-catalog {
    font-family: var(--font-body);
    background: var(--viewer-bg);
    color: var(--viewer-text);
    display: flex;
    flex-direction: column;
}

/* ============================================
   Header
   ============================================ */
.viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    height: 56px;
    background: var(--viewer-header-bg);
    border-bottom: 1px solid var(--viewer-border);
    flex-shrink: 0;
    z-index: 100;
}

.viewer-header__left,
.viewer-header__right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.viewer-header__title {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 380px;
}

@media (max-width: 768px) {
    .viewer-header__title {
        max-width: 150px;
        font-size: 0.9rem;
    }
}

/* Buttons */
.viewer-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--viewer-text);
    font-size: 1.25rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.2s, color 0.2s;
    text-decoration: none;
}

.viewer-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--viewer-gold);
}

.viewer-zoom-level {
    font-size: 0.85rem;
    min-width: 50px;
    text-align: center;
    color: var(--viewer-text-muted);
}

/* ============================================
   Sidebar (TOC)
   ============================================ */
.viewer-sidebar {
    position: fixed;
    left: 0;
    top: 56px;
    bottom: 40px;
    width: 320px;
    background: var(--viewer-sidebar-bg);
    border-right: 1px solid var(--viewer-border);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 90;
    display: flex;
    flex-direction: column;
}

.viewer-sidebar.is-open {
    transform: translateX(0);
}

.viewer-sidebar__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--viewer-border);
}

.viewer-sidebar__header h2 {
    font-size: 1rem;
    font-weight: 400;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.viewer-sidebar__search {
    padding: 12px 16px;
    border-bottom: 1px solid var(--viewer-border);
}

.viewer-sidebar__search input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--viewer-border);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--viewer-text);
    font-size: 0.9rem;
}

.viewer-sidebar__search input::placeholder {
    color: var(--viewer-text-muted);
}

.viewer-sidebar__search input:focus {
    outline: none;
    border-color: var(--viewer-gold);
}

.viewer-sidebar__content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

/* TOC Styles */
.toc-loading {
    color: var(--viewer-text-muted);
    text-align: center;
    padding: 40px 0;
}

.toc-category {
    margin-bottom: 20px;
}

.toc-category__title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--viewer-gold);
    padding: 8px 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.toc-category__title i {
    transition: transform 0.2s;
}

.toc-category.is-collapsed .toc-category__title i {
    transform: rotate(-90deg);
}

.toc-category__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.toc-category.is-collapsed .toc-category__list {
    display: none;
}

.toc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    margin: 4px 0;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.toc-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.toc-item__lot {
    font-size: 0.8rem;
    color: var(--viewer-text-muted);
    min-width: 70px;
}

.toc-item__title {
    flex: 1;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0 8px;
}

.toc-item__page {
    font-size: 0.8rem;
    color: var(--viewer-text-muted);
}

.toc-empty {
    color: var(--viewer-text-muted);
    text-align: center;
    padding: 40px 0;
    font-size: 0.9rem;
}

/* Mobile Sidebar */
@media (max-width: 768px) {
    .viewer-sidebar {
        width: 100%;
    }
}

/* ============================================
   Main Viewer
   ============================================ */
.viewer-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.viewer-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: auto;
}

/* Loading */
.viewer-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--viewer-bg);
    z-index: 50;
    transition: opacity 0.3s;
}

.viewer-loading.is-hidden {
    opacity: 0;
    pointer-events: none;
}

.viewer-loading__spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--viewer-border);
    border-top-color: var(--viewer-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.viewer-loading p {
    margin: 16px 0 8px;
    color: var(--viewer-text-muted);
}

.viewer-loading__progress {
    color: var(--viewer-gold);
    font-size: 1.1rem;
}

/* Flipbook */
.flipbook-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 100%;
    min-height: 100%;
    padding: 20px;
}

#flipbook {
    /* Turn.js will set dimensions */
}

#flipbook .page {
    background: #fff;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    position: relative;
}

#flipbook .page canvas {
    display: block;
    max-width: 100%;
    max-height: 100%;
    /* 高解像度canvasの表示品質向上 */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Turn.js overrides */
.turn-page {
    background: #fff;
}

/* ページがレンダリングされるまでのプレースホルダー */
#flipbook .page:empty::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 32px;
    height: 32px;
    margin: -16px 0 0 -16px;
    border: 2px solid var(--viewer-border);
    border-top-color: var(--viewer-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ============================================
   Navigation
   ============================================ */
.viewer-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    padding: 12px;
    background: var(--viewer-header-bg);
    border-top: 1px solid var(--viewer-border);
    flex-shrink: 0;
}

.viewer-nav__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--viewer-border);
    background: transparent;
    color: var(--viewer-text);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 4px;
    transition: border-color 0.2s, color 0.2s;
}

.viewer-nav__btn:hover:not(:disabled) {
    border-color: var(--viewer-gold);
    color: var(--viewer-gold);
}

.viewer-nav__btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.viewer-nav__info {
    font-size: 0.95rem;
    color: var(--viewer-text-muted);
    min-width: 80px;
    text-align: center;
}

.viewer-nav__info #currentPage {
    color: var(--viewer-text);
}

/* ============================================
   Footer
   ============================================ */
.viewer-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 40px;
    background: var(--viewer-header-bg);
    border-top: 1px solid var(--viewer-border);
    flex-shrink: 0;
}

.viewer-footer__brand {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--viewer-text-muted);
    letter-spacing: 0.1em;
}

/* ============================================
   Error Page
   ============================================ */
.catalog-error {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
}

.catalog-error__content h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin: 0 0 16px;
}

.catalog-error__content p {
    color: var(--viewer-text-muted);
    margin: 0 0 24px;
}

.catalog-error .btn {
    display: inline-block;
    padding: 12px 24px;
    background: var(--viewer-gold);
    color: #050505;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background 0.2s;
}

.catalog-error .btn:hover {
    background: var(--viewer-gold-hover);
}

/* ============================================
   Mobile Adjustments
   ============================================ */
@media (max-width: 768px) {
    .viewer-header {
        padding: 0 12px;
        height: 50px;
    }

    .viewer-btn {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }

    .viewer-zoom-level {
        display: none;
    }

    #zoomIn, #zoomOut {
        display: none;
    }

    .viewer-nav {
        padding: 10px;
        gap: 16px;
    }

    .viewer-nav__btn {
        width: 40px;
        height: 40px;
        font-size: 1.3rem;
    }

    .viewer-footer {
        height: 32px;
    }

    .viewer-footer__brand {
        font-size: 0.75rem;
    }

    .flipbook-wrapper {
        padding: 10px;
    }
}

/* ============================================
   Overlay for Sidebar
   ============================================ */
.viewer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 80;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.viewer-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
}

/* ============================================
   Utility
   ============================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ============================================
   Bookmark Panel
   ============================================ */
.bookmark-panel {
    position: fixed;
    right: 0;
    top: 56px;
    bottom: 40px;
    width: 320px;
    background: var(--viewer-sidebar-bg);
    border-left: 1px solid var(--viewer-border);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 90;
    display: flex;
    flex-direction: column;
}

.bookmark-panel.is-open {
    transform: translateX(0);
}

.bookmark-panel__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--viewer-border);
}

.bookmark-panel__header h2 {
    font-size: 1rem;
    font-weight: 400;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--viewer-gold);
}

.bookmark-panel__content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.bookmark-panel__footer {
    padding: 16px;
    border-top: 1px solid var(--viewer-border);
}

.bookmark-empty {
    color: var(--viewer-text-muted);
    text-align: center;
    padding: 40px 0;
    font-size: 0.9rem;
}

/* Bookmark List */
.bookmark-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bookmark-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    margin-bottom: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    transition: background 0.2s;
}

.bookmark-item:hover {
    background: rgba(255, 255, 255, 0.06);
}

.bookmark-item__color {
    width: 4px;
    min-height: 40px;
    border-radius: 2px;
    flex-shrink: 0;
}

.bookmark-item__content {
    flex: 1;
    cursor: pointer;
    min-width: 0;
}

.bookmark-item__label {
    display: block;
    font-size: 0.9rem;
    font-weight: 400;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bookmark-item__page {
    font-size: 0.75rem;
    color: var(--viewer-gold);
}

.bookmark-item__memo {
    font-size: 0.8rem;
    color: var(--viewer-text-muted);
    margin: 6px 0 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.bookmark-item__actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.bookmark-item__edit,
.bookmark-item__delete {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--viewer-text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.2s, color 0.2s;
}

.bookmark-item__edit:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--viewer-gold);
}

.bookmark-item__delete:hover {
    background: rgba(255, 100, 100, 0.2);
    color: #ff6666;
}

/* Add Bookmark Button */
.bookmark-add-btn {
    width: 100%;
    padding: 12px 16px;
    border: 1px dashed var(--viewer-border);
    background: transparent;
    color: var(--viewer-text);
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: border-color 0.2s, color 0.2s;
}

.bookmark-add-btn:hover {
    border-color: var(--viewer-gold);
    color: var(--viewer-gold);
}

/* Page Bookmark Button (Floating) */
.page-bookmark-btn {
    position: absolute;
    bottom: 80px;
    right: 20px;
    width: 48px;
    height: 48px;
    border: none;
    background: var(--viewer-header-bg);
    color: var(--viewer-text);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s, transform 0.2s;
    z-index: 50;
}

.page-bookmark-btn:hover {
    background: var(--viewer-gold);
    color: #050505;
    transform: scale(1.1);
}

.page-bookmark-btn.is-bookmarked {
    color: var(--viewer-gold);
}

.page-bookmark-btn.is-bookmarked:hover {
    background: var(--viewer-gold);
    color: #050505;
}

/* ============================================
   Bookmark Modal
   ============================================ */
.bookmark-modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.bookmark-modal.is-open {
    opacity: 1;
    pointer-events: auto;
}

.bookmark-modal::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
}

.bookmark-modal__content {
    position: relative;
    width: 90%;
    max-width: 400px;
    background: var(--viewer-sidebar-bg);
    border: 1px solid var(--viewer-border);
    border-radius: 8px;
    transform: translateY(20px);
    transition: transform 0.3s;
}

.bookmark-modal.is-open .bookmark-modal__content {
    transform: translateY(0);
}

.bookmark-modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--viewer-border);
}

.bookmark-modal__header h3 {
    font-size: 1rem;
    font-weight: 400;
    margin: 0;
    color: var(--viewer-gold);
}

.bookmark-modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--viewer-text);
    font-size: 1.25rem;
    cursor: pointer;
    border-radius: 4px;
}

.bookmark-modal__close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.bookmark-modal__body {
    padding: 20px;
}

.bookmark-form-group {
    margin-bottom: 16px;
}

.bookmark-form-group:last-child {
    margin-bottom: 0;
}

.bookmark-form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--viewer-text-muted);
    margin-bottom: 8px;
}

.bookmark-form-group input,
.bookmark-form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--viewer-border);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--viewer-text);
    font-size: 0.95rem;
    font-family: inherit;
}

.bookmark-form-group input:focus,
.bookmark-form-group textarea:focus {
    outline: none;
    border-color: var(--viewer-gold);
}

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

/* Color Picker */
.bookmark-colors {
    display: flex;
    gap: 8px;
}

.bookmark-color {
    width: 32px;
    height: 32px;
    border: 2px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
}

.bookmark-color:hover {
    transform: scale(1.1);
}

.bookmark-color.is-selected {
    border-color: var(--viewer-text);
    box-shadow: 0 0 0 2px var(--viewer-sidebar-bg);
}

/* Modal Footer */
.bookmark-modal__footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--viewer-border);
}

.bookmark-modal__btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.2s;
}

.bookmark-modal__btn--cancel {
    background: transparent;
    color: var(--viewer-text-muted);
    border: 1px solid var(--viewer-border);
}

.bookmark-modal__btn--cancel:hover {
    background: rgba(255, 255, 255, 0.05);
}

.bookmark-modal__btn--save {
    background: var(--viewer-gold);
    color: #050505;
}

.bookmark-modal__btn--save:hover {
    background: var(--viewer-gold-hover);
}

/* Mobile Bookmark Panel */
@media (max-width: 768px) {
    .bookmark-panel {
        width: 100%;
    }

    .page-bookmark-btn {
        bottom: 100px;
        right: 16px;
        width: 44px;
        height: 44px;
        font-size: 1.3rem;
    }
}