/* ═══ Tab 切换 ═══ */
.tab-bar{display:flex;gap:6px;margin-bottom:20px;border-bottom:2px solid var(--border);padding-bottom:0}
.tab-btn{padding:10px 20px;border:1px solid var(--border);border-bottom:none;border-radius:8px 8px 0 0;background:var(--bg-accent);color:var(--text-muted);font-size:.72em;font-weight:700;cursor:pointer;transition:all .2s;white-space:nowrap}
.tab-btn:hover{color:var(--text-header);background:var(--bg-card)}
.tab-btn.active{background:var(--bg-card);color:var(--accent-red);border-color:var(--border-accent);border-bottom:2px solid var(--bg-card);margin-bottom:-2px;position:relative;z-index:1}
.tab-panel{display:none}
.tab-panel.active{display:block}
@media(max-width:600px){.tab-btn{padding:8px 12px;font-size:.65em}}

/* ═══ 折叠面板 ═══ */
.collapse-hd{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--bg-accent);border:1px solid var(--border);border-radius:8px;cursor:pointer;font-size:.72em;font-weight:700;color:var(--text-header);transition:all .2s;margin:14px 0 0;user-select:none}
.collapse-hd:hover{border-color:var(--border-accent);background:var(--bg-card)}
.collapse-hd .arrow{transition:transform .2s;color:var(--text-muted);font-size:.8em}
.collapse-hd.open .arrow{transform:rotate(90deg)}
.collapse-body{overflow:hidden;transition:max-height .3s ease;padding:0 4px}
.collapse-body.shut{max-height:0!important;padding:0 4px}

/* ═══ D区 · 目录导航 ═══ */
.page-toc{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}
@media(max-width:768px){.page-toc{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.page-toc{grid-template-columns:1fr}}
.toc-item{display:block;padding:12px 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;text-decoration:none;color:var(--text);transition:all .2s;cursor:pointer}
.toc-item:hover{border-color:var(--border-accent);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.toc-item.active{border-color:var(--accent-red);background:rgba(139,37,0,.04)}
.toc-num{font-weight:900;color:var(--accent-red);font-size:.85em}
.toc-title{font-weight:700;font-size:.78em;color:var(--text-header);margin-left:4px}
.toc-desc{font-size:.62em;color:var(--text-muted);margin-top:4px;line-height:1.5}

/* ═══ 快捷链接 ═══ */
.quick-links{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}
.quick-link{display:inline-block;padding:4px 12px;border-radius:6px;font-size:.62em;font-weight:600;color:var(--text-muted);background:var(--bg-accent);border:1px solid var(--border);text-decoration:none;transition:all .2s}
.quick-link:hover{color:var(--accent-red);border-color:var(--accent-red);transform:translateY(-1px)}

/* ═══ 日志筛选 ═══ */
.log-filter-bar{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap}
.log-filter-btn{padding:3px 10px;border-radius:12px;border:1px solid var(--border);background:var(--bg-accent);color:var(--text-muted);font-size:.58em;font-weight:600;cursor:pointer;transition:all .15s}
.log-filter-btn:hover{border-color:var(--border-accent);color:var(--text-header)}
.log-filter-btn.active{background:var(--accent-red);border-color:var(--accent-red);color:#fff}

/* ═══ 架构总览 ═══ */
.arch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:768px){.arch-grid{grid-template-columns:repeat(2,1fr)}}
.arch-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:16px;text-align:center;transition:all .2s}
.arch-card:hover{border-color:var(--border-accent);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.arch-card .big{font-size:2em;font-weight:900;color:var(--text-header);line-height:1.1}
.arch-card .unit{font-size:.36em;font-weight:500;color:var(--text-muted);margin-left:4px}
.arch-card .label{font-size:.68em;font-weight:700;color:var(--text-header);margin-top:4px}
.arch-card .desc{font-size:.58em;color:var(--text-muted);margin-top:2px}

/* ═══ 状态概览 ═══ */
.status-row{display:flex;flex-wrap:wrap;gap:10px}
.status-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:var(--bg-accent);border:1px solid var(--border);border-radius:6px;font-size:.65em;color:var(--text)}
.status-chip .dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.status-chip .dot.green{background:var(--accent-green)}
.status-chip .dot.gold{background:var(--accent-gold)}
.status-chip .dot.red{background:var(--accent-red)}
.status-chip .dot.blue{background:var(--accent-blue)}
.status-chip strong{color:var(--text-header);font-weight:700}

/* ═══ 分类文档索引 ═══ */
.doc-section{margin-bottom:20px}
.doc-section-title{font-size:.68em;font-weight:800;color:var(--text-header);margin-bottom:10px;padding-bottom:6px;border-bottom:1px solid var(--border);letter-spacing:1px;display:flex;align-items:center;gap:8px}
.doc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media(max-width:600px){.doc-list{grid-template-columns:1fr}}
.doc-link{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;text-decoration:none;color:var(--text);font-size:.7em;transition:all .2s}
.doc-link:hover{border-color:var(--border-accent);background:var(--bg-accent);transform:translateX(3px);box-shadow:var(--shadow-sm)}
.doc-link .label{font-weight:700;color:var(--text-header);display:block;margin-bottom:1px}
.doc-link .desc{font-size:.88em;color:var(--text-muted);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ═══ 会话日志 ═══ */
.log-controls{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap}
.log-controls button{padding:4px 10px;border-radius:6px;border:1px solid var(--border);background:var(--bg-accent);color:var(--text);font-size:.62em;cursor:pointer;transition:all .15s}
.log-controls button:hover{border-color:var(--border-accent);color:var(--text-header)}
.log-list{display:flex;flex-direction:column;gap:6px}
.log-item{display:flex;gap:8px;padding:8px 10px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;font-size:.64em;transition:border-color .2s;align-items:center}
.log-item:hover{border-color:var(--border-accent)}
.log-item .idx{color:var(--text-muted);font-weight:700;min-width:24px}
.log-item .date{color:var(--accent-gold);font-weight:700;min-width:42px}
.log-item .title{flex:1;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.log-item .tag{padding:1px 6px;border-radius:8px;font-size:.85em;background:var(--bg-accent);color:var(--text-muted);border:1px solid var(--border);flex-shrink:0}
.log-item .log-src{padding:1px 5px;border-radius:3px;font-size:.78em;font-family:'Consolas','Monaco',monospace;background:rgba(59,125,216,.08);color:var(--accent-blue);border:1px solid rgba(59,125,216,.18);flex-shrink:0}
.log-item .log-model{padding:1px 5px;border-radius:3px;font-size:.78em;font-family:'Consolas','Monaco',monospace;background:rgba(123,79,160,.08);color:var(--accent-purple);border:1px solid rgba(123,79,160,.18);flex-shrink:0}
@media(max-width:768px){.log-item{flex-wrap:wrap}.log-item .title{flex-basis:100%;order:2}}

/* ═══ 版本状态 ═══ */
.version-card{background:var(--bg-card);border:1px solid var(--border);border-radius:6px;padding:8px 12px;display:flex;align-items:center;gap:12px;font-size:.62em;color:var(--text-muted);margin-top:12px;transition:all .2s}
.version-card:hover{box-shadow:var(--shadow-sm);border-color:var(--border-accent)}
.version-card .v-commit{color:var(--accent-gold);font-family:Consolas,monospace;font-weight:700}
.version-card .v-status{padding:1px 6px;border-radius:4px;font-weight:600}
.version-card .v-status.clean{background:#27ae6015;color:var(--cat-green);border:1px solid #27ae6030}
.version-card .v-dot{width:6px;height:6px;border-radius:50%;background:var(--cat-green);flex-shrink:0}

/* ═══ 页面区域 ═══ */
.zone-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:768px){.zone-grid{grid-template-columns:1fr}}
.zone-diagram{background:var(--bg-accent);border:1px solid var(--border);border-radius:8px;padding:12px;font-family:Consolas,"Microsoft YaHei",monospace;font-size:.56em;line-height:1.4;white-space:pre;overflow-x:auto;color:var(--text);transition:box-shadow .2s}
.zone-diagram:hover{box-shadow:var(--shadow)}
.zone-diagram .hl{color:var(--accent-gold);font-weight:700}
.zone-tbl{width:100%;font-size:.62em;border-collapse:collapse}
.zone-tbl td,.zone-tbl th{padding:4px 8px;border:1px solid var(--border)}
.zone-tbl th{background:var(--bg-accent);font-weight:700;color:var(--text-header);text-align:left}
.zone-tbl td{color:var(--text)}
.zone-tbl tr:nth-child(even) td{background:var(--bg-accent)}

/* ═══ 规范待办 ═══ */
.std-todo-card{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:14px 16px;margin-bottom:16px}
.std-todo-title{font-size:.68em;font-weight:700;color:var(--text-header);margin-bottom:8px;padding-bottom:4px;border-bottom:1px solid var(--border);letter-spacing:.3px}
.std-todo-cat{font-size:.6em;font-weight:800;color:var(--text-header);margin:8px 0 3px;padding-bottom:2px;border-bottom:1px solid var(--border);letter-spacing:.5px}
.std-todo-cat:first-of-type{margin-top:2px}
.std-todo-item{display:flex;align-items:flex-start;gap:6px;padding:3px 0;font-size:.62em;color:var(--text-muted);line-height:1.6}
.std-todo-item:hover{color:var(--text)}
.std-todo-mark{flex-shrink:0;width:13px;height:13px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:3px;font-size:.8em;color:var(--text-muted);background:var(--bg-accent);margin-top:1px}

/* ═══ Git 弹窗 ═══ */
.git-modal{position:fixed;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px;backdrop-filter:blur(4px)}
.git-box{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;width:100%;max-width:720px;max-height:86vh;overflow:hidden;padding:18px 20px 14px;box-shadow:0 8px 32px rgba(0,0,0,.15);display:flex;flex-direction:column}
.git-box .gh{display:flex;justify-content:space-between;align-items:center;font-size:.9em;font-weight:800;margin-bottom:12px;flex-shrink:0}
.git-box .gh .gs{font-size:.7em;color:var(--text-muted);font-weight:500}
.git-box .close-btn{cursor:pointer;color:var(--text-muted);font-size:1.2em;transition:color .15s}
.git-box .close-btn:hover{color:var(--accent-red)}
.git-body{flex:1;overflow-y:auto;min-height:0}
.git-prog-wrap{margin:14px 0}
.git-prog-label{display:flex;justify-content:space-between;font-size:.65em;color:var(--text-muted);margin-bottom:4px}
.git-prog{height:6px;border-radius:3px;background:var(--bg-accent);overflow:hidden}
.git-prog .bar{height:100%;width:0%;background:var(--accent-blue);transition:width .3s}
.git-prog.running .bar{background:linear-gradient(90deg,var(--accent-blue),var(--accent-gold))}
.gsteps{display:flex;flex-direction:column;gap:8px;margin:14px 0}
.gstep{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg-card);font-size:.72em}
.gstep.pending{opacity:.7}
.gstep.running{border-color:var(--accent-blue);background:rgba(58,123,184,.06)}
.gstep.done{border-color:var(--accent-green);background:rgba(58,123,74,.06)}
.gstep.error{border-color:var(--accent-red);background:rgba(179,58,46,.06)}
.gstep .gicon{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--bg-accent);font-size:.75em;font-weight:800}
.gstep.done .gicon{background:var(--accent-green);color:#fff}
.gstep.error .gicon{background:var(--accent-red);color:#fff}
.gstep .gtext{flex:1}
.gstep .gstatus{font-weight:700}
.git-result{margin:14px 0;padding:14px;border-radius:8px;font-size:.65em;max-height:220px;overflow-y:auto}
.git-result.ok{background:rgba(58,123,74,.08);border:1px solid rgba(58,123,74,.2)}
.git-result.err{background:rgba(179,58,46,.08);border:1px solid rgba(179,58,46,.2)}
.git-result .gr-head{font-weight:800;margin-bottom:8px}
.git-result .gr-lines .line{margin-bottom:4px;line-height:1.5}
.git-result .line .l-num{display:inline-block;min-width:22px;color:var(--text-muted)}
.git-result .line.hl-backup{color:#8b5cf6}
.git-result .line.hl-log{color:#f59e0b}
.git-result .line.hl-add{color:var(--accent-green)}
.git-result .line.hl-commit{color:var(--accent-blue)}
.git-result .line.hl-push{color:var(--accent-gold)}
.git-result .line.hl-sync{color:#06b6d4}
.git-result .line.hl-err{color:var(--accent-red)}
.git-btns{display:flex;justify-content:flex-end;gap:10px;margin-top:12px;flex-shrink:0}
.git-btn{padding:8px 16px;border-radius:8px;border:1px solid var(--border);background:var(--bg-accent);color:var(--text);font-weight:600;cursor:pointer;transition:all .2s}
.git-btn.primary{background:var(--accent-red);border-color:var(--accent-red);color:#fff}
.git-btn.primary:hover{box-shadow:0 4px 16px rgba(231,76,60,.3)}
.git-btn.done{background:var(--accent-green);border-color:var(--accent-green);color:#fff}
.git-btn.primary:disabled{opacity:.5;pointer-events:none}
@media(max-width:640px){.git-box{max-width:100%;padding:14px 16px 12px;max-height:90vh}}

/* ═══ 部署流程 ═══ */
.deploy-pipeline{display:flex;gap:8px;align-items:stretch;margin-bottom:16px;flex-wrap:wrap}
.deploy-step{flex:1;min-width:140px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:12px;text-align:center;transition:all .2s;position:relative}
.deploy-step:hover{border-color:var(--border-accent);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.deploy-step .step-num{font-size:.6em;font-weight:800;color:var(--accent-red);margin-bottom:4px}
.deploy-step .step-cmd{font-family:Consolas,'Monaco',monospace;font-size:.62em;font-weight:700;color:var(--text-header);margin-bottom:4px;word-break:break-all}
.deploy-step .step-desc{font-size:.56em;color:var(--text-muted);line-height:1.5}
.deploy-arrow{display:flex;align-items:center;color:var(--text-muted);font-size:1.2em;flex-shrink:0}
@media(max-width:600px){.deploy-arrow{display:none}.deploy-pipeline{flex-direction:column}}
.deploy-note{font-size:.62em;color:var(--text-muted);line-height:1.8;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:12px 16px}
.deploy-note strong{color:var(--text-header)}
.deploy-note code{font-family:Consolas,'Monaco',monospace;background:var(--bg-accent);padding:1px 5px;border-radius:3px;font-size:.92em;color:var(--accent-blue)}

/* ═══ 美化 ═══ */
.hero{position:relative}
.card{transition:border-color .25s,box-shadow .25s,transform .25s}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--border-accent)}
.sec-title{font-size:.78em;font-weight:800;color:var(--text-header);margin:28px 0 14px;padding-bottom:8px;border-bottom:1px solid var(--border);letter-spacing:2px;display:flex;align-items:center;gap:8px}
.sec-title::after{content:'';flex:1;height:1px;background:var(--border)}

/* ═══ 书名标题块 ═══ */
.book-title-block{text-align:center;margin:28px 0 20px;padding:0 16px}
.book-title-block .main-logo{font-family:var(--font-serif);font-size:2.6em;font-weight:900;color:var(--text-header);letter-spacing:.06em;margin:0;line-height:1.2}
.book-title-block .main-logo .accent-red{color:var(--accent-red)}
.book-title-block .desc-gray{font-family:var(--font-sans);font-size:.82em;color:var(--text-muted);margin:6px 0 0;line-height:1.6}
.book-title-block .desc-gold{color:var(--accent-gold);font-size:.72em;margin-top:4px}
@media(max-width:600px){.book-title-block .main-logo{font-size:1.8em}}