/* 桃悦OS — main.css */
:root {
  --bg-app:       #1a1a1a;
  --bg-sidebar:   #111111;
  --bg-card:      #222222;
  --bg-card-hover:#2a2a2a;
  --bg-input:     #2c2c2c;
  --bg-overlay:   rgba(0,0,0,0.65);
  --border:       rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.15);
  --text-primary:   #e8e8e8;
  --text-secondary: #888;
  --text-muted:     #555;
  /* 桃悦主色：桃橙色 */
  --accent:       #e8916a;
  --accent-hover: #f0a882;
  --accent-bg:    rgba(232,145,106,0.13);
  --yellow: #f5c842;
  --green:  #52c77d;
  --blue:   #4a9eff;
  --pink:   #f078a0;
  --cat-tech:       #4a9eff;
  --cat-ai:         #9b7ff5;
  --cat-humanities: #f5a442;
  --cat-food:       #52c77d;
  --cat-travel:     #42d4e8;
  --cat-finance:    #f5c842;
  --cat-health:     #f078a0;
  --cat-other:      #888;
  --sidebar-w: 220px;
  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 14px;
  --font-sans: -apple-system,'PingFang SC','Helvetica Neue',sans-serif;
  --font-serif: 'Source Serif 4','Noto Serif SC',Georgia,serif;
  --font-mono: 'SF Mono','Fira Code',monospace;
  --transition: 0.15s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:var(--bg-app);color:var(--text-primary);font-family:var(--font-sans);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}

/* ── 布局 ─────────────────────────────────────────────────────── */
.app-layout{display:flex;height:100vh;overflow:hidden}

/* ── 侧边栏 ──────────────────────────────────────────────────── */
.sidebar{width:var(--sidebar-w);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto}
.sidebar-logo{display:flex;align-items:center;gap:10px;padding:14px 14px 12px;border-bottom:1px solid var(--border)}
.logo-img{width:30px;height:30px;border-radius:7px;object-fit:cover;flex-shrink:0}
.logo-text{font-size:15px;font-weight:700;color:var(--accent);letter-spacing:.02em}
.sidebar-nav{padding:8px 8px;flex:1}
.nav-section-label{font-size:10.5px;font-weight:600;color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase;padding:10px 8px 3px}
.nav-item{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);transition:background var(--transition),color var(--transition);user-select:none;font-size:13px}
.nav-item:hover{background:rgba(255,255,255,.05);color:var(--text-primary)}
.nav-item.active{background:var(--accent-bg);color:var(--accent)}
.nav-icon{width:16px;text-align:center;font-size:13px;flex-shrink:0}
.nav-count{margin-left:auto;font-size:11px;color:var(--text-muted);background:rgba(255,255,255,.06);padding:1px 6px;border-radius:10px}
.nav-item.active .nav-count{background:var(--accent-bg);color:var(--accent)}
.cat-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}
.nav-divider{height:1px;background:var(--border);margin:6px 8px}
.nav-group-header{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);font-size:13px;user-select:none;transition:color var(--transition)}
.nav-group-header:hover{color:var(--text-primary)}
.nav-chevron{margin-left:auto;font-size:11px;color:var(--text-muted);transition:transform .2s}
.nav-chevron.collapsed{transform:rotate(-90deg)}
.nav-group-children{overflow:hidden;transition:max-height .2s ease;max-height:200px}
.nav-group-children.collapsed{max-height:0}
.nav-child{padding-left:26px!important;font-size:12.5px}
.sidebar-footer{border-top:1px solid var(--border);padding:6px 8px}

/* ── 主内容 ──────────────────────────────────────────────────── */
.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}
.topbar{height:50px;display:flex;align-items:center;gap:10px;padding:0 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.status-tabs{display:flex;align-items:center}
.status-tab{padding:0 14px;height:50px;background:transparent;border:none;border-bottom:2px solid transparent;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:color var(--transition),border-color var(--transition);font-family:var(--font-sans);white-space:nowrap}
.status-tab:hover{color:var(--text-primary)}
.status-tab.active{color:var(--text-primary);border-bottom-color:var(--accent)}
.sort-select{background:transparent;border:none;color:var(--text-secondary);font-size:12px;cursor:pointer;outline:none;font-family:var(--font-sans);padding:0 4px}
.sort-select option{background:var(--bg-card);color:var(--text-primary)}
.search-wrap{position:relative}
.search-icon{position:absolute;left:9px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:13px;pointer-events:none}
.search-input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);padding:6px 10px 6px 28px;font-size:12.5px;width:170px;outline:none;transition:border-color var(--transition);font-family:var(--font-sans)}
.search-input:focus{border-color:var(--accent)}
.search-input::placeholder{color:var(--text-muted)}
.add-btn{display:flex;align-items:center;justify-content:center;gap:4px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-sm);padding:6px 13px;font-size:13px;font-weight:500;cursor:pointer;transition:background var(--transition);font-family:var(--font-sans)}
.add-btn:hover{background:var(--accent-hover)}
.upload-btn{background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border)}
.upload-btn:hover{background:var(--bg-card-hover);color:var(--text-primary)}

/* ── 文章列表 ────────────────────────────────────────────────── */
.article-list{flex:1;overflow-y:auto}
.article-list::-webkit-scrollbar{width:4px}
.article-list::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:2px}
.article-card{display:flex;align-items:flex-start;gap:12px;padding:13px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background var(--transition);position:relative}
.article-card:hover{background:var(--bg-card-hover)}
.article-card.unread::before{content:'';position:absolute;left:6px;top:20px;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.card-thumb{width:70px;height:auto;min-height:60px;max-height:100px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0;background:var(--bg-input);align-self:stretch}
.card-thumb-placeholder{width:70px;min-height:60px;border-radius:var(--radius-sm);background:var(--bg-input);display:flex;align-items:center;justify-content:center;flex-shrink:0;align-self:stretch}
.card-body{flex:1;min-width:0}
.card-meta{display:flex;align-items:center;gap:5px;margin-bottom:3px}
.card-source{font-size:10.5px;color:var(--text-muted)}
.card-dot{width:2px;height:2px;border-radius:50%;background:var(--text-muted)}
.card-time{font-size:10.5px;color:var(--text-muted);margin-left:auto}
.card-title{font-size:13.5px;font-weight:500;color:var(--text-primary);line-height:1.4;margin-bottom:3px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.card-summary{font-size:12px;color:var(--text-secondary);line-height:1.5;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:5px}
.card-footer{display:flex;align-items:center;gap:5px}
.card-tag{font-size:10.5px;padding:2px 7px;border-radius:9px;font-weight:500}
.card-reading-time{font-size:10.5px;color:var(--text-muted);margin-left:auto}
.card-progress{height:2px;background:var(--border);border-radius:1px;margin-top:5px;overflow:hidden}
.card-progress-fill{height:100%;background:var(--accent);border-radius:1px}
.card-actions{display:flex;flex-direction:column;gap:3px;opacity:0;transition:opacity var(--transition)}
.article-card:hover .card-actions{opacity:1}
.card-action-btn{width:26px;height:26px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-card);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:11px;transition:all var(--transition)}
.card-action-btn:hover{background:var(--bg-input);color:var(--text-primary)}
.card-action-btn.starred{color:var(--yellow)}
.card-loading .card-title{background:var(--bg-input);border-radius:4px;height:14px;width:70%;animation:shimmer 1.5s infinite}
.card-loading .card-summary{background:var(--bg-input);border-radius:4px;height:12px;width:90%;animation:shimmer 1.5s infinite;margin-top:6px}
@keyframes shimmer{0%,100%{opacity:.5}50%{opacity:1}}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:300px;color:var(--text-muted);gap:12px}
.empty-state .empty-icon{font-size:34px}
.empty-state .empty-text{font-size:14px}
.empty-state .empty-hint{font-size:12px;color:var(--text-muted)}
.article-card.failed{cursor:default;opacity:.7}
.fetch-error{color:#e05555;font-size:12px}
.title-muted{color:var(--text-secondary)!important}

/* ── 标签颜色 ────────────────────────────────────────────────── */
.tag-tech{background:rgba(74,158,255,.15);color:#4a9eff}
.tag-ai{background:rgba(155,127,245,.15);color:#9b7ff5}
.tag-humanities{background:rgba(245,164,66,.15);color:#f5a442}
.tag-food{background:rgba(82,199,125,.15);color:#52c77d}
.tag-travel{background:rgba(66,212,232,.15);color:#42d4e8}
.tag-finance{background:rgba(245,200,66,.15);color:#f5c842}
.tag-health{background:rgba(240,120,160,.15);color:#f078a0}
.tag-other,.tag-uncategorized{background:rgba(136,136,136,.13);color:#888}

/* ── 弹窗 ────────────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:var(--bg-overlay);display:flex;align-items:flex-start;justify-content:center;padding-top:80px;z-index:100;opacity:0;pointer-events:none;transition:opacity .2s}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal-box{background:var(--bg-card);border:1px solid var(--border-hover);border-radius:var(--radius-lg);padding:20px;width:500px;max-width:calc(100vw - 40px);transform:translateY(-10px);transition:transform .2s}
.modal-overlay.open .modal-box{transform:translateY(0)}
.modal-title{font-size:14px;font-weight:600;margin-bottom:14px;color:var(--text-primary)}
.modal-input{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);padding:9px 12px;font-size:13px;outline:none;transition:border-color var(--transition);font-family:var(--font-sans)}
.modal-input:focus{border-color:var(--accent)}
.modal-input::placeholder{color:var(--text-muted)}
.modal-input-wrap{position:relative;display:flex;align-items:center}
.modal-input-wrap .modal-input{padding-right:34px}
.modal-clear-btn{position:absolute;right:8px;width:20px;height:20px;border-radius:50%;border:none;background:var(--text-muted);color:var(--bg-app);font-size:10px;cursor:pointer;display:none;align-items:center;justify-content:center}
.modal-clear-btn.visible{display:flex}
.modal-clear-btn:hover{background:var(--text-secondary)}
.modal-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
.modal-hint{font-size:11.5px;color:var(--text-muted);margin-top:7px}
.btn-ghost{padding:7px 15px;border-radius:var(--radius-sm);border:1px solid var(--border);background:transparent;color:var(--text-secondary);font-size:12.5px;cursor:pointer;transition:all var(--transition);font-family:var(--font-sans)}
.btn-ghost:hover{background:var(--bg-input);color:var(--text-primary)}
.btn-primary{padding:7px 15px;border-radius:var(--radius-sm);border:none;background:var(--accent);color:#fff;font-size:12.5px;font-weight:500;cursor:pointer;transition:background var(--transition);font-family:var(--font-sans)}
.btn-primary:hover{background:var(--accent-hover)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.tab-btn{padding:4px 11px;border-radius:4px;border:none;background:transparent;color:var(--text-secondary);font-size:12px;cursor:pointer;transition:all var(--transition);font-family:var(--font-sans)}
.tab-btn:hover{color:var(--text-primary)}
.tab-btn.active{background:var(--bg-card);color:var(--text-primary)}

/* ── 上传拖拽区 ──────────────────────────────────────────────── */
.drop-zone{border:2px dashed var(--border-hover);border-radius:var(--radius-lg);padding:44px 28px;text-align:center;cursor:pointer;transition:all .2s;background:transparent}
.drop-zone:hover,.drop-zone.dragover{border-color:var(--accent);background:var(--accent-bg)}
.drop-icon{font-size:34px;margin-bottom:10px}
.drop-title{font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:5px}
.drop-hint{font-size:11.5px;color:var(--text-muted)}
.upload-item{display:flex;align-items:center;gap:10px;padding:9px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:7px}
.upload-item-name{flex:1;font-size:12.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.upload-item-status{font-size:11.5px;color:var(--text-muted)}
.upload-item-bar{width:70px;height:3px;background:var(--border);border-radius:2px;overflow:hidden}
.upload-item-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .3s}

/* ── Toast ───────────────────────────────────────────────────── */
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--bg-card);border:1px solid var(--border-hover);color:var(--text-primary);padding:9px 18px;border-radius:var(--radius-md);font-size:13px;opacity:0;transition:all .25s;z-index:200;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.success{border-color:var(--green);color:var(--green)}
.toast.error{border-color:var(--pink);color:var(--pink)}

*{scrollbar-width:thin;scrollbar-color:var(--border-hover) transparent}

/* ── 卡片右下角操作按钮（图2样式）────────────────────────────── */
/* 移除旧的右侧 card-actions */
.card-actions{display:none!important}

/* 新：右下角操作区 */
.card-actions-bottom{
  display:flex;align-items:center;gap:4px;margin-top:6px;
  opacity:0;transition:opacity .15s;justify-content:flex-end;
}
.article-card:hover .card-actions-bottom{opacity:1}

.cab2{
  width:30px;height:30px;border-radius:6px;
  border:1px solid var(--border);background:var(--bg-card);
  color:var(--text-secondary);cursor:pointer;font-size:13px;
  display:flex;align-items:center;justify-content:center;
  transition:all .15s;flex-shrink:0;
}
.cab2:hover{background:var(--bg-input);color:var(--text-primary);border-color:var(--border-hover)}
.cab2.starred{color:var(--yellow)}

/* 更多菜单 */
.cab2-more-wrap{position:relative}
.more-menu{
  position:absolute;right:0;bottom:36px;
  background:var(--bg-card);border:1px solid var(--border-hover);
  border-radius:var(--radius-md);padding:4px;min-width:130px;
  box-shadow:0 4px 16px rgba(0,0,0,.35);z-index:50;
}
.more-item{
  padding:8px 12px;font-size:12.5px;color:var(--text-secondary);
  cursor:pointer;border-radius:5px;transition:.12s;white-space:nowrap;
}
.more-item:hover{background:var(--bg-input);color:var(--text-primary)}
.more-item.danger:hover{color:var(--pink)}

/* 调整卡片布局：card-body 需要 flex-direction column */
.card-body{display:flex;flex-direction:column}
.card-footer{margin-top:auto}

/* ── Logo 修复：浅色背景，保持原图比例 ──────────────────────── */
.sidebar-logo img.taoyue-logo {
  width: auto !important;
  height: 38px !important;
  max-width: 120px;
  object-fit: contain;
  flex-shrink: 0;
  background: transparent;
  border-radius: 0;
}

/* ── 荧光笔高亮效果（鼠标悬停时加深）──────────────────────── */
.hl-yellow { background: rgba(255, 220, 0, 0.35) !important; border-radius: 2px; cursor: pointer; padding: 0 1px; transition: background .15s; }
.hl-green  { background: rgba(50, 200, 100, 0.30) !important; border-radius: 2px; cursor: pointer; padding: 0 1px; transition: background .15s; }
.hl-blue   { background: rgba(50, 140, 255, 0.30) !important; border-radius: 2px; cursor: pointer; padding: 0 1px; transition: background .15s; }
.hl-pink   { background: rgba(240, 80, 140, 0.28) !important; border-radius: 2px; cursor: pointer; padding: 0 1px; transition: background .15s; }
.hl-yellow:hover { background: rgba(255, 200, 0, 0.55) !important; }
.hl-green:hover  { background: rgba(30, 180, 80, 0.50) !important; }
.hl-blue:hover   { background: rgba(30, 120, 255, 0.50) !important; }
.hl-pink:hover   { background: rgba(220, 50, 120, 0.48) !important; }

/* ── 卡片操作按钮（图2样式：右侧垂直排列，悬停显示）───────── */
/* 覆盖旧的 card-actions（右侧) */
.article-card{position:relative}
.card-actions{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  display:flex!important;flex-direction:column;gap:4px;
  opacity:0;transition:opacity .15s;pointer-events:none;
}
.article-card:hover .card-actions{opacity:1;pointer-events:all}
.card-action-btn{
  width:30px;height:30px;border-radius:6px;
  border:1px solid var(--border);background:var(--bg-card);
  color:var(--text-secondary);cursor:pointer;font-size:13px;
  display:flex;align-items:center;justify-content:center;
  transition:all .15s;
}
.card-action-btn:hover{background:var(--bg-input);color:var(--text-primary)}
.card-action-btn.starred{color:var(--yellow)}

/* 底部操作区隐藏（用右侧浮动替代）*/
.card-actions-bottom{display:none!important}

/* ── 卡片横排操作按钮（图1图2样式）─────────────────────────── */
/* 覆盖所有旧的操作按钮样式 */
.card-actions,.card-actions-bottom{display:none!important}

.article-card{position:relative;overflow:visible}
.card-body{display:flex;flex-direction:column}

/* 横排操作行 — 鼠标悬停时显示，固定在卡片右下角 */
.card-act-row{
  display:flex;align-items:center;gap:3px;
  justify-content:flex-end;margin-top:5px;
  opacity:0;transition:opacity .15s;pointer-events:none;
}
.article-card:hover .card-act-row{opacity:1;pointer-events:all}

.car-btn{
  height:28px;min-width:28px;padding:0 7px;
  border-radius:6px;border:1px solid var(--border);
  background:var(--bg-card);color:var(--text-secondary);
  cursor:pointer;font-size:12px;
  display:flex;align-items:center;justify-content:center;
  transition:all .15s;white-space:nowrap;
}
.car-btn:hover{background:var(--bg-input);color:var(--text-primary);border-color:var(--border-hover)}
.car-btn.starred{color:var(--yellow);border-color:rgba(245,200,66,.3)}

/* 更多菜单 */
.more-menu{
  position:absolute;right:0;bottom:32px;z-index:100;
  background:var(--bg-card);border:1px solid var(--border-hover);
  border-radius:var(--radius-md);padding:4px;min-width:120px;
  box-shadow:0 4px 16px rgba(0,0,0,.4);
}
.more-item{
  padding:7px 12px;font-size:12.5px;color:var(--text-secondary);
  cursor:pointer;border-radius:5px;transition:.12s;white-space:nowrap;
}
.more-item:hover{background:var(--bg-input);color:var(--text-primary)}
.more-item.danger:hover{color:var(--pink)}

/* 卡片底部标签行 */
.card-footer-row{display:flex;align-items:center;justify-content:space-between;margin-top:4px}
.card-tags-left{display:flex;align-items:center;gap:5px;flex-wrap:wrap}