/* ============================================================
   风城网文工作台 - 新版样式
   设计原则: 三栏布局 / 编辑器为中心 / 抽屉化辅助面板 / 紧凑实用
   ============================================================ */

:root {
    --bg-base: #0d1019;
    --bg-elevated: #161b2a;
    --bg-card: #1c2235;
    --bg-input: #0f1320;
    --bg-hover: #232a40;
    --bg-active: #2d3654;
    --border-soft: rgba(255, 255, 255, 0.07);
    --border-mid: rgba(255, 255, 255, 0.12);
    --border-strong: rgba(255, 255, 255, 0.2);
    --text-primary: #e6e9f4;
    --text-secondary: #aab2cc;
    --text-muted: #6b7290;
    --accent: #6c8bff;
    --accent-hover: #8aa3ff;
    --accent-soft: rgba(108, 139, 255, 0.18);
    --success: #4ad99a;
    --warning: #ffba6b;
    --danger: #ff6b8a;
    --critical: #ff4570;
    --topbar-height: 56px;
    --col-chapters-w: 240px;
    --col-studio-w: 380px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.6);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    height: 100vh;
    background: var(--bg-base);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
    overflow: hidden;
}

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; color: inherit; }

/* ============================================================
   顶部栏
   ============================================================ */

.topbar {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 16px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-soft);
    gap: 16px;
    flex-shrink: 0;
}

.topbar-left, .topbar-mid, .topbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar-left { flex: 0 0 auto; }
.topbar-mid { flex: 1 1 auto; min-width: 0; }
.topbar-right { flex: 0 0 auto; }

.title-input {
    background: var(--bg-input);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    color: var(--text-primary);
    min-width: 220px;
    font-size: 14px;
    transition: border-color 0.15s;
}

.title-input:focus { outline: none; border-color: var(--accent); }

.proj-switch {
    background: var(--bg-card);
    border: 1px solid var(--border-mid);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    transition: background 0.15s;
}

.proj-switch:hover { background: var(--bg-hover); }

.proj-name {
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.proj-caret { color: var(--text-muted); font-size: 11px; }

.inline {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.inline.mini { font-size: 11px; }
.inline span { white-space: nowrap; }

.inline select, .inline input {
    background: var(--bg-input);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    padding: 5px 8px;
    color: var(--text-primary);
    font-size: 12px;
}

.inline select:focus, .inline input:focus {
    outline: none;
    border-color: var(--accent);
}

.num-input { width: 76px; }
.num-input.mini { width: 64px; padding: 4px 6px; font-size: 11px; }

.tone-hint {
    color: var(--text-muted);
    font-size: 11px;
    margin-left: 4px;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================================
   按钮
   ============================================================ */

.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: 7px 14px;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.15s;
}

.btn-primary:hover { background: var(--accent-hover); }
.btn-primary.block { width: 100%; padding: 10px; font-size: 14px; }

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-mid);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    font-size: 13px;
    transition: all 0.15s;
}

.btn-ghost:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.btn-ghost.mini { padding: 4px 8px; font-size: 11px; }

.btn-ghost.danger {
    color: var(--danger);
    border-color: rgba(255, 107, 138, 0.3);
}

.btn-ghost.danger:hover {
    background: rgba(255, 107, 138, 0.1);
    color: var(--danger);
}

/* ============================================================
   主区域:三栏布局
   ============================================================ */

.workspace {
    display: grid;
    grid-template-columns: var(--col-chapters-w) 1fr var(--col-studio-w);
    height: calc(100vh - var(--topbar-height));
    overflow: hidden;
}

.col-chapters, .col-studio {
    background: var(--bg-elevated);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.col-chapters { border-right: 1px solid var(--border-soft); }
.col-studio { border-left: 1px solid var(--border-soft); }

.col-editor {
    background: var(--bg-base);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.col-head {
    padding: 12px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-soft);
    flex-shrink: 0;
}

.col-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.3px;
}

.col-title.small { font-size: 12px; }

.col-actions { display: flex; align-items: center; gap: 8px; }

.count-badge {
    background: var(--bg-active);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

/* ============================================================
   左栏:章节列表
   ============================================================ */

.chapter-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.chapter-item {
    padding: 10px 12px;
    margin-bottom: 4px;
    background: var(--bg-card);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
}

.chapter-item:hover {
    background: var(--bg-hover);
    border-color: var(--border-soft);
}

.chapter-item.active {
    background: var(--accent-soft);
    border-color: var(--accent);
}

.chapter-item-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.chapter-item-head strong {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 130px;
}

.chapter-item-head span {
    font-size: 10px;
    color: var(--text-muted);
    background: var(--bg-input);
    padding: 1px 6px;
    border-radius: 8px;
    text-transform: uppercase;
}

.chapter-item p {
    font-size: 11px;
    color: var(--text-secondary);
    margin: 0 0 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.chapter-item > span { font-size: 10px; color: var(--text-muted); }

.stats-footer {
    border-top: 1px solid var(--border-soft);
    padding: 12px 14px;
    background: var(--bg-card);
    flex-shrink: 0;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-size: 12px;
}

.stat-row span { color: var(--text-secondary); }
.stat-row strong { color: var(--text-primary); font-weight: 600; }

.goal-track {
    height: 4px;
    background: var(--bg-input);
    border-radius: 2px;
    overflow: hidden;
    margin: 6px 0 4px;
}

.goal-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    transition: width 0.3s;
}

.muted { color: var(--text-muted); }
.muted.small { font-size: 11px; }

/* ============================================================
   中栏:章节编辑器
   ============================================================ */

.editor-head {
    padding: 16px 24px 12px;
    border-bottom: 1px solid var(--border-soft);
    flex-shrink: 0;
}

.chapter-title-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 22px;
    font-weight: 600;
    width: 100%;
    padding: 4px 0;
    margin-bottom: 8px;
}

.chapter-title-input:focus { outline: none; }
.chapter-title-input::placeholder { color: var(--text-muted); font-weight: 500; }

.editor-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.chapter-meta-details {
    padding: 0 24px;
    flex-shrink: 0;
}

.chapter-meta-details summary {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    user-select: none;
    border-bottom: 1px solid var(--border-soft);
}

.chapter-meta-details[open] summary { color: var(--text-primary); }

.meta-grid {
    padding: 12px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.field { display: flex; flex-direction: column; gap: 4px; }

.field > span {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.field textarea, .field input {
    background: var(--bg-input);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    color: var(--text-primary);
    font-size: 13px;
    resize: vertical;
    width: 100%;
    line-height: 1.5;
}

.field textarea:focus, .field input:focus {
    outline: none;
    border-color: var(--accent);
}

.chapter-content {
    flex: 1;
    margin: 0 24px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.8;
    resize: none;
    font-family: "PingFang SC", "Microsoft YaHei", "Source Han Serif SC", serif;
    overflow-y: auto;
}

.chapter-content:focus { outline: none; border-color: var(--accent); }

.editor-footer {
    padding: 10px 24px;
    border-top: 1px solid var(--border-soft);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-elevated);
    flex-shrink: 0;
}

.footer-left, .footer-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.stat-pill {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-card);
    padding: 4px 10px;
    border-radius: 12px;
    white-space: nowrap;
}

.stat-pill strong { color: var(--text-primary); font-weight: 600; }

#editorAiScore.score-good { color: var(--success); }
#editorAiScore.score-mid { color: var(--warning); }
#editorAiScore.score-bad { color: var(--danger); }

/* ============================================================
   右栏:AI 创作台
   ============================================================ */

.col-studio { overflow-y: auto; }

.module-pills {
    display: flex;
    gap: 4px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-soft);
    flex-shrink: 0;
}

.pill {
    background: transparent;
    border: 1px solid var(--border-soft);
    color: var(--text-secondary);
    padding: 5px 10px;
    border-radius: 14px;
    font-size: 12px;
    transition: all 0.15s;
}

.pill:hover { color: var(--text-primary); background: var(--bg-hover); }
.pill.active {
    background: var(--accent-soft);
    color: var(--accent-hover);
    border-color: var(--accent);
}

.action-bar {
    padding: 8px 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    border-bottom: 1px solid var(--border-soft);
    flex-shrink: 0;
}

.action-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    transition: all 0.15s;
}

.action-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }
.action-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.studio-input {
    margin: 12px;
    padding: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    resize: vertical;
    min-height: 120px;
    flex-shrink: 0;
}

.studio-input:focus { outline: none; border-color: var(--accent); }

.studio-extras {
    margin: 0 12px 12px;
    flex-shrink: 0;
}

.studio-extras > summary {
    color: var(--text-secondary);
    font-size: 12px;
    padding: 6px 0;
    cursor: pointer;
    user-select: none;
}

.studio-extras .field { margin-bottom: 10px; }

.style-packs-wrap > summary {
    color: var(--text-muted);
    font-size: 11px;
    cursor: pointer;
    padding: 4px 0;
}

.style-pack-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-top: 8px;
}

.style-pack {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    color: var(--text-secondary);
    text-align: left;
    padding: 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
}

.style-pack:hover { border-color: var(--border-strong); }
.style-pack.active {
    background: var(--accent-soft);
    border-color: var(--accent);
}

.style-pack strong {
    display: block;
    color: var(--text-primary);
    font-size: 12px;
    margin-bottom: 2px;
}

.style-pack span {
    display: inline-block;
    font-size: 10px;
    color: var(--accent-hover);
    background: rgba(108, 139, 255, 0.1);
    padding: 1px 5px;
    border-radius: 6px;
    margin-bottom: 4px;
}

.style-pack p {
    font-size: 10px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.studio-actions {
    padding: 0 12px 12px;
    border-bottom: 1px solid var(--border-soft);
    flex-shrink: 0;
}

.studio-quick {
    display: flex;
    gap: 6px;
    margin-top: 6px;
}

.studio-quick .btn-ghost {
    flex: 1;
    font-size: 12px;
    padding: 6px;
}

.studio-output { padding: 12px; }

.studio-output-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.studio-output-head > div { display: flex; gap: 4px; }

.status-bar {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 11px;
    margin-bottom: 8px;
}

.status-bar.is-error {
    color: var(--danger);
    border-color: rgba(255, 107, 138, 0.3);
}

.outline-panel {
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: 8px;
    margin-bottom: 8px;
    max-height: 100px;
    overflow-y: auto;
    font-size: 11px;
}

.outline-panel:empty { display: none; }
.outline-head { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }

.outline-items span {
    display: block;
    padding: 2px 0;
    color: var(--text-secondary);
}

.output-blocks {
    max-height: 360px;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    padding: 8px;
}

.output-card-block {
    padding: 8px;
    border-bottom: 1px solid var(--border-soft);
}

.output-card-block:last-child { border-bottom: none; }

.output-card-block h4 {
    margin: 0 0 6px;
    font-size: 12px;
    color: var(--accent-hover);
}

.output-card-block pre {
    margin: 0;
    color: var(--text-primary);
    font-size: 12px;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: inherit;
    line-height: 1.6;
}

.output-card-block { position: relative; }

.block-import-btn {
    float: right;
    margin: 0 0 4px 8px;
    padding: 2px 8px;
    background: transparent;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 11px;
    cursor: pointer;
    opacity: 0.55;
    transition: opacity 0.15s ease, border-color 0.15s ease;
}

.output-card-block:hover .block-import-btn { opacity: 1; }

.block-import-btn:hover {
    border-color: var(--accent);
    color: var(--accent-hover);
}

.block-import-btn.imported {
    border-color: var(--accent);
    color: var(--accent-hover);
    opacity: 1;
}

.studio-import {
    display: flex;
    gap: 6px;
    margin: 10px 12px 0;
}

.output-toc {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.toc-item {
    background: var(--bg-input);
    border: 1px solid var(--border-soft);
    color: var(--text-secondary);
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 11px;
    cursor: pointer;
}

.toc-item:hover { border-color: var(--accent); }

.empty-state {
    color: var(--text-muted);
    text-align: center;
    padding: 20px 12px;
    font-size: 12px;
    line-height: 1.6;
}

/* ============================================================
   抽屉:右(项目记忆) / 左(任务)
   ============================================================ */

.drawer {
    position: fixed;
    top: var(--topbar-height);
    bottom: 0;
    right: 0;
    width: 420px;
    background: var(--bg-elevated);
    border-left: 1px solid var(--border-mid);
    box-shadow: var(--shadow-lg);
    z-index: 50;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.drawer.left {
    right: auto;
    left: 0;
    border-left: none;
    border-right: 1px solid var(--border-mid);
}

.drawer[hidden] { display: none; }

.drawer-head {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-soft);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.drawer-head h3 { margin: 0; font-size: 14px; font-weight: 600; }

.drawer-head.sub {
    padding: 10px 16px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-soft);
}

.drawer-head.sub span {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
}

.drawer-head > div { display: flex; gap: 6px; }

.drawer-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-soft);
    flex-shrink: 0;
}

.drawer-tab {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 10px;
    font-size: 12px;
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
}

.drawer-tab:hover { color: var(--text-primary); }
.drawer-tab.active {
    color: var(--accent-hover);
    border-bottom-color: var(--accent);
}

.drawer-panel {
    display: none;
    padding: 14px 16px;
    overflow-y: auto;
    flex: 1;
}

.drawer-panel.active { display: block; }
.drawer-panel .field { margin-bottom: 12px; }

.editable-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 0;
}

.mini-card {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    padding: 10px;
    position: relative;
}

.mini-card .field { margin-bottom: 6px; }
.mini-card .btn-ghost.danger { margin-top: 4px; }

/* ============================================================
   项目切换下拉
   ============================================================ */

.dropdown {
    position: fixed;
    top: calc(var(--topbar-height) + 4px);
    left: 16px;
    width: 320px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-mid);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 40;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
}

.dropdown[hidden] { display: none; }

.dropdown-head {
    padding: 10px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-soft);
    font-size: 12px;
    color: var(--text-secondary);
}

.project-list {
    overflow-y: auto;
    padding: 6px;
}

.project-item {
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.15s;
}

.project-item:hover { background: var(--bg-hover); }
.project-item.active { background: var(--accent-soft); }

.project-item-main {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.project-item-main strong {
    font-size: 13px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.project-item-main span { font-size: 11px; color: var(--text-muted); }

.project-item-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.project-time { font-size: 10px; color: var(--text-muted); }

/* ============================================================
   任务列表
   ============================================================ */

.task-list {
    overflow-y: auto;
    padding: 8px;
    flex: 1;
}

.task-item {
    padding: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    margin-bottom: 6px;
    cursor: pointer;
    transition: all 0.15s;
}

.task-item:hover { border-color: var(--border-strong); }
.task-item.active {
    background: var(--accent-soft);
    border-color: var(--accent);
}

.task-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.task-head strong {
    font-size: 12px;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 220px;
}

.task-status {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 8px;
    text-transform: uppercase;
}

.task-status.queued { background: rgba(170, 178, 204, 0.15); color: var(--text-secondary); }
.task-status.running { background: rgba(108, 139, 255, 0.2); color: var(--accent-hover); }
.task-status.completed { background: rgba(74, 217, 154, 0.2); color: var(--success); }
.task-status.failed { background: rgba(255, 107, 138, 0.2); color: var(--danger); }
.task-status.cancelled { background: rgba(255, 186, 107, 0.2); color: var(--warning); }

.task-progress-track {
    height: 3px;
    background: var(--bg-input);
    border-radius: 2px;
    overflow: hidden;
    margin: 4px 0;
}

.task-progress-track.large { height: 6px; margin: 8px 0; }

.task-progress-fill {
    height: 100%;
    background: var(--accent);
    transition: width 0.3s;
}

.task-item p {
    margin: 0;
    font-size: 11px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.task-item > span {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 4px;
    display: inline-block;
}

.task-detail {
    border-top: 1px solid var(--border-soft);
    padding: 12px;
    background: var(--bg-card);
    max-height: 50vh;
    overflow-y: auto;
    flex-shrink: 0;
}

.task-detail-card p {
    font-size: 12px;
    margin: 6px 0;
    color: var(--text-secondary);
}

.task-detail-card p strong { color: var(--text-primary); margin-right: 4px; }
.task-detail-card .error-text { color: var(--danger); }

.task-detail-card button {
    margin-top: 6px;
    margin-right: 6px;
}

/* ============================================================
   模态弹窗
   ============================================================ */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop[hidden] { display: none; }

.modal {
    background: var(--bg-elevated);
    border: 1px solid var(--border-mid);
    border-radius: var(--radius-lg);
    width: min(720px, 92vw);
    max-height: 86vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

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

.modal-head h3 { margin: 0; font-size: 16px; }

.modal-body {
    padding: 16px 20px;
    overflow-y: auto;
    flex: 1;
}

.modal-actions {
    padding: 12px 20px;
    border-top: 1px solid var(--border-soft);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.modal-actions:empty { display: none; }

.result-item {
    background: var(--bg-card);
    border: 1px solid var(--border-soft);
    border-left: 3px solid var(--border-mid);
    border-radius: var(--radius-sm);
    padding: 12px;
    margin-bottom: 8px;
}

.result-item.critical { border-left-color: var(--critical); }
.result-item.warning { border-left-color: var(--warning); }
.result-item.info { border-left-color: var(--accent); }
.result-item.new { border-left-color: var(--success); }
.result-item.update { border-left-color: var(--accent); }

.result-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 6px;
}

.result-head strong { font-size: 13px; color: var(--text-primary); }

.result-tag {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--text-secondary);
    text-transform: uppercase;
    white-space: nowrap;
}

.result-tag.critical { background: rgba(255, 69, 112, 0.2); color: var(--critical); }
.result-tag.warning { background: rgba(255, 186, 107, 0.2); color: var(--warning); }
.result-tag.info { background: rgba(108, 139, 255, 0.2); color: var(--accent-hover); }
.result-tag.success { background: rgba(74, 217, 154, 0.2); color: var(--success); }

.result-meta {
    font-size: 11px;
    color: var(--text-muted);
    margin: 4px 0;
}

.result-evidence {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--bg-input);
    padding: 6px 10px;
    border-radius: 4px;
    margin-top: 6px;
    border-left: 2px solid var(--border-mid);
}

.result-suggestion {
    font-size: 12px;
    color: var(--accent-hover);
    margin-top: 6px;
}

.modal-summary {
    background: var(--bg-card);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent);
}

/* ============================================================
   Toast 提示
   ============================================================ */

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    color: var(--text-primary);
    padding: 10px 18px;
    border-radius: 20px;
    font-size: 13px;
    box-shadow: var(--shadow-md);
    z-index: 200;
}

.toast[hidden] { display: none; }
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.success { border-color: var(--success); color: var(--success); }

/* ============================================================
   滚动条美化
   ============================================================ */

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 1500px) {
    :root {
        --col-chapters-w: 220px;
        --col-studio-w: 340px;
    }
    .editor-meta { font-size: 11px; }
    .topbar-mid .tone-hint { display: none; }
}

@media (max-width: 1200px) {
    :root {
        --col-chapters-w: 200px;
        --col-studio-w: 320px;
    }
    .topbar-mid label.inline { font-size: 11px; }
}

@media (max-width: 1024px) {
    .workspace { grid-template-columns: 1fr; }
    .col-chapters, .col-studio { display: none; }
    .col-chapters.mobile-open, .col-studio.mobile-open {
        display: flex;
        position: fixed;
        top: var(--topbar-height);
        bottom: 0;
        z-index: 30;
        width: 280px;
        box-shadow: var(--shadow-lg);
    }
    .col-chapters.mobile-open { left: 0; }
    .col-studio.mobile-open { right: 0; }
    .chapter-content { margin: 0 12px; }
    .editor-head { padding: 12px 14px; }
    .chapter-meta-details { padding: 0 14px; }
    .editor-footer { padding: 8px 14px; }
}