/* ========== 基础与 AO3 风格 ========== */
:root {
    --bg-page: #d8cee8;
    --bg-card: #fff;
    --accent: #7a1c6e;
    --accent-hover: #5a1454;
    --text: #333;
    --text-muted: #555;
    --border: #c9bddb;
    --reader-bg: #d8cee8;
    --reader-panel: #d0c4e0;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Georgia", "Times New Roman", serif;
    background: var(--bg-page);
    color: var(--text);
    line-height: 1.6;
}

.wrap {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ========== 首页头部 ========== */
.site-header {
    background: linear-gradient(180deg, #2d1b2e 0%, #3d2540 100%);
    color: #f5eef7;
    padding: 1.5rem 0;
    margin-bottom: 2rem;
}

.site-title {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 600;
}

.site-title a {
    color: inherit;
    text-decoration: none;
}

.site-title a:hover {
    text-decoration: underline;
}

.site-desc {
    margin: 0.35rem 0 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

.header-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}
.header-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
}
.header-nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    background: rgba(255,255,255,0.2);
    transition: background 0.2s, color 0.2s;
}
.header-nav a:hover {
    background: rgba(255,255,255,0.95);
    color: #2d1b2e;
    text-decoration: none;
}
.user-name {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 500;
}

/* ========== 书籍列表（AO3 作品列表风格） ========== */
.works-list h2 {
    font-size: 1.25rem;
    color: var(--text);
    margin: 0 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border);
}

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

.book-list li {
    margin: 0;
    border-bottom: 1px solid var(--border);
}

.book-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1rem;
    color: var(--accent);
    text-decoration: none;
    background: var(--bg-card);
    transition: background 0.2s;
}

.book-link:hover {
    background: var(--reader-panel);
    color: var(--accent-hover);
}

.book-title {
    font-weight: 500;
}

.book-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.no-books {
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    background: var(--bg-card);
    border-radius: 6px;
}

.page-auth .site-header { margin-bottom: 1.5rem; }
.auth-main { max-width: 420px; margin: 0 auto; padding: 1rem 0 3rem; }
.auth-card {
    background: var(--bg-card);
    padding: 1.75rem;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid var(--border);
}
.auth-card h2 { margin: 0 0 1.25rem; font-size: 1.35rem; color: var(--text); }
.auth-form label { display: block; margin: 0.75rem 0 0.25rem; font-size: 0.9rem; color: var(--text-muted); }
.auth-form label:first-of-type { margin-top: 0; }
.auth-form input[type="text"],
.auth-form input[type="password"] {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font: inherit;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: 4px;
}
.auth-form button {
    margin-top: 1.25rem;
    width: 100%;
    padding: 0.65rem 1rem;
    font: inherit;
    font-size: 1rem;
    font-weight: 600;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}
.auth-form button:hover { background: var(--accent-hover); }
.auth-error { color: #b00; font-size: 0.9rem; margin: 0 0 0.75rem; }
.auth-success { color: var(--accent); margin: 0 0 0.5rem; }
.auth-success a { color: var(--accent); }
.auth-switch { margin-top: 1rem; font-size: 0.9rem; color: var(--text-muted); }
.auth-switch a { color: var(--accent); font-weight: 600; }

/* ========== 页脚 ========== */
.site-footer {
    margin-top: 3rem;
    padding: 1rem 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    border-top: 1px solid var(--border);
}

/* ========== 阅读页：淡紫背景 + 防复制 ========== */
.page-reader {
    background: var(--reader-bg);
    min-height: 100vh;
}

.no-select,
.no-select * {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}

.reader-header {
    background: var(--reader-panel);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.reader-header .wrap {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.reader-header-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
}
.reader-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.reader-actions .btn-shelf,
.reader-actions .btn-bookmark,
.reader-actions .btn-toggle-bookmarks {
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    font-family: inherit;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
.reader-actions .btn-shelf:hover,
.reader-actions .btn-bookmark:hover,
.reader-actions .btn-toggle-bookmarks:hover { background: var(--accent-hover); }
.reader-actions .btn-shelf[data-on-shelf="1"] { background: var(--text-muted); }
.bookmarks-dropdown { position: relative; }
.bookmarks-list {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    min-width: 200px;
    max-width: 280px;
    max-height: 280px;
    overflow-y: auto;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    padding: 0.5rem 0;
    z-index: 10;
}
.bookmarks-dropdown.open .bookmarks-list { display: block; }
.bookmark-item {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    padding: 0.4rem 0.75rem;
    font-size: 0.9rem;
    border-bottom: 1px solid #f0eaf2;
}
.bookmark-item:last-child { border-bottom: none; }
.bookmark-item a { color: var(--accent); text-decoration: none; flex: 1; min-width: 0; }
.bookmark-item a:hover { text-decoration: underline; }
.bookmark-note { font-size: 0.8rem; color: var(--text-muted); width: 100%; margin-top: 0.2rem; }
.bookmark-del {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    padding: 0 0.25rem;
}
.bookmark-del:hover { color: #b00; }

.back-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.95rem;
}

.back-link:hover {
    text-decoration: underline;
}

.reader-title {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
}

.reader-main {
    padding: 1rem 0 2rem;
}

.reader-toolbar-top { margin-bottom: 0.5rem; }
.reader-toolbar-bottom { margin-top: 1.25rem; margin-bottom: 0; }

.reader-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0;
}

.reader-tools {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-left: 0.5rem;
}

.reader-tools button {
    padding: 0.35rem 0.6rem;
    font-size: 0.85rem;
    font-family: inherit;
    background: var(--reader-panel);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
}

.reader-tools button:hover {
    background: var(--border);
}

.reader-progress-bar {
    height: 4px;
    background: var(--border);
    margin: 0 auto 1rem;
    max-width: 820px;
    border-radius: 2px;
    overflow: hidden;
}

.reader-progress-fill {
    display: block;
    height: 100%;
    width: 0%;
    background: var(--accent);
    transition: width 0.2s ease;
}

.page-percent {
    margin-left: 0.25rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

body.reader-night.page-reader,
body.reader-night .reader-header { background: #2a2230; }
body.reader-night .reader-main { background: #2a2230; }
body.reader-night .pdf-viewport { background: #1e1924; box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
body.reader-night .reader-toolbar .page-info,
body.reader-night .page-percent { color: #b0a8b8; }
body.reader-night .reader-tools button { background: #3d3540; color: #e0d8e8; border-color: #4a4250; }
body.reader-night .reader-tools button:hover { background: #4a4250; }

.reader-toolbar button {
    padding: 0.5rem 1rem;
    font-family: inherit;
    font-size: 0.95rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.reader-toolbar button:hover {
    background: var(--accent-hover);
}

.reader-toolbar button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.pdf-viewport {
    max-width: 820px;
    margin: 0 auto;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border-radius: 8px;
    overflow: hidden;
    padding: 1.5rem;
}

#pdf-canvas {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
}

.pdf-error {
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
}

/* 禁止右键菜单（辅助防复制/截屏提示） */
.page-reader {
    -webkit-user-drag: none;
    user-drag: none;
}