:root{--primary: #0e5e54;--primary-hover: #0a4840;--primary-light: #e6f4f1;--primary-ring: rgba(14, 94, 84, .2);--accent: #2563eb;--accent-light: #eff6ff;--danger: #b91c1c;--danger-light: #fef2f2;--warning: #b45309;--warning-light: #fffbeb;--success: #15803d;--success-light: #f0fdf4;--purple: #6d28d9;--purple-light: #f5f3ff;--bg: #f8fafc;--bg-sidebar: #ffffff;--card-bg: #ffffff;--card-border: #e2e8f0;--text-main: #0f172a;--text-muted: #64748b;--text-dim: #94a3b8;--border-light: #f1f5f9;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .04)}body.dark{--primary: #2dd4bf;--primary-hover: #14b8a6;--primary-light: #132e2b;--primary-ring: rgba(45, 212, 191, .25);--accent: #60a5fa;--accent-light: #172554;--danger: #f87171;--danger-light: #450a0a;--warning: #fbbf24;--warning-light: #451a03;--success: #4ade80;--success-light: #052e16;--purple: #c084fc;--purple-light: #2e1065;--bg: #090d11;--bg-sidebar: #11171d;--card-bg: #151d24;--card-border: #232f3b;--text-main: #f1f5f9;--text-muted: #94a3b8;--text-dim: #64748b;--border-light: #1e2832}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background-color:var(--bg);color:var(--text-main);line-height:1.6;-webkit-font-smoothing:antialiased}.app-container{display:flex;min-height:100vh}.sidebar{width:300px;background-color:var(--bg-sidebar);border-right:1px solid var(--card-border);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:50;transition:transform .25s ease}.sidebar-header{padding:20px;border-bottom:1px solid var(--card-border)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text-main)}.brand-icon{width:36px;height:36px;border-radius:var(--radius-md);background:linear-gradient(135deg,#0e5e54,#14b8a6);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.15rem;box-shadow:0 2px 6px #0e5e544d}.brand-title{font-size:1.05rem;font-weight:700;letter-spacing:-.01em}.brand-sub{font-size:.72rem;color:var(--text-muted);font-weight:400}.nav-tabs{padding:12px 16px;display:flex;flex-direction:column;gap:4px}.nav-tab{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--text-muted);text-decoration:none;font-size:.88rem;font-weight:500;transition:all .15s ease;border:1px solid transparent}.nav-tab:hover{background-color:var(--border-light);color:var(--text-main)}.nav-tab.active{background-color:var(--primary-light);color:var(--primary);font-weight:600;border-color:#0e5e5426}.nav-num{font-size:.72rem;font-weight:700;opacity:.75}.sidebar-chapters{flex:1;overflow-y:auto;padding:8px 12px;border-top:1px solid var(--border-light)}.sidebar-chapter-heading{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);padding:8px 8px 4px;font-weight:700}.sidebar-chapter-link{display:flex;align-items:baseline;justify-content:space-between;padding:7px 10px;border-radius:var(--radius-sm);text-decoration:none;color:var(--text-muted);font-size:.82rem;line-height:1.4;margin-bottom:2px;transition:all .15s ease}.sidebar-chapter-link:hover{background-color:var(--border-light);color:var(--text-main)}.sidebar-chapter-link.active{background-color:var(--primary-light);color:var(--primary);font-weight:600}.sidebar-chapter-link .count{font-size:.7rem;color:var(--text-dim);margin-left:8px;flex-shrink:0}.sidebar-footer{padding:16px;border-top:1px solid var(--card-border);background-color:var(--bg-sidebar);display:flex;flex-direction:column;gap:10px}.sidebar-btn-row{display:flex;gap:8px}.btn-ghost{flex:1;background:transparent;border:1px solid var(--card-border);border-radius:var(--radius-sm);padding:6px 10px;color:var(--text-muted);font-size:.78rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:all .15s ease}.btn-ghost:hover{background-color:var(--border-light);color:var(--text-main)}.main-wrapper{margin-left:300px;flex:1;min-width:0;display:flex;flex-direction:column}.top-bar{height:56px;background-color:var(--card-bg);border-bottom:1px solid var(--card-border);position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:0 28px}.top-bar-title{font-size:.95rem;font-weight:600;color:var(--text-main)}.top-bar-controls{display:flex;align-items:center;gap:12px}.adhd-badge-toggle{display:flex;align-items:center;gap:6px;font-size:.78rem;background-color:var(--primary-light);color:var(--primary);border:1px solid var(--primary-ring);padding:4px 10px;border-radius:9999px;cursor:pointer;font-weight:600}.main-content{padding:32px 36px 64px;max-width:980px;margin:0 auto;width:100%}.chapter-hero{background:linear-gradient(135deg,var(--card-bg),var(--border-light));border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:24px 28px;margin-bottom:28px;box-shadow:var(--shadow-sm)}.chapter-hero h1{font-size:1.65rem;font-weight:800;margin-bottom:10px;color:var(--text-main)}.chapter-hero-desc{font-size:.92rem;color:var(--text-muted);line-height:1.7}.chapter-filter-bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--card-border)}.filter-pills{display:flex;gap:6px;flex-wrap:wrap}.filter-pill{border:1px solid var(--card-border);background:var(--card-bg);padding:5px 12px;border-radius:9999px;font-size:.8rem;color:var(--text-muted);cursor:pointer;transition:all .15s ease}.filter-pill:hover{border-color:var(--text-dim);color:var(--text-main)}.filter-pill.active{background-color:var(--primary);color:#fff;border-color:var(--primary);font-weight:600}.item-card{background-color:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-lg);margin-bottom:20px;box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;overflow:hidden}.item-card:hover{border-color:var(--text-dim);box-shadow:var(--shadow-md)}.item-header{padding:16px 20px;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;background-color:var(--card-bg)}.item-title-wrap{display:flex;flex-direction:column;gap:6px}.item-tags-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.tag-badge{font-size:.7rem;padding:2px 7px;border-radius:var(--radius-sm);font-weight:600;display:inline-flex;align-items:center}.tag-evidence{background-color:var(--primary-light);color:var(--primary);border:1px solid var(--primary-ring)}.tag-zero-money{background-color:var(--success-light);color:var(--success)}.tag-zero-will{background-color:var(--purple-light);color:var(--purple)}.tag-danger{background-color:var(--danger-light);color:var(--danger)}.tag-neutral{background-color:var(--border-light);color:var(--text-muted)}.item-heading{font-size:1.12rem;font-weight:700;color:var(--text-main);line-height:1.45}.item-action-btns{display:flex;align-items:center;gap:6px;flex-shrink:0}.status-dropdown{padding:5px 8px;font-size:.78rem;font-weight:600;border-radius:var(--radius-sm);border:1px solid var(--card-border);background-color:var(--card-bg);color:var(--text-muted);cursor:pointer}.status-dropdown.done{background-color:var(--success-light);color:var(--success);border-color:#15803d33}.status-dropdown.planned{background-color:var(--accent-light);color:var(--accent);border-color:#2563eb33}.status-dropdown.review{background-color:var(--warning-light);color:var(--warning);border-color:#b4530933}.btn-icon{background:transparent;border:1px solid var(--card-border);border-radius:var(--radius-sm);width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-muted);transition:all .15s ease}.btn-icon:hover{background-color:var(--border-light);color:var(--text-main)}.btn-icon.active{color:#eab308;border-color:#facc15;background-color:#facc151a}.item-body{padding:0 20px 18px}.plain-box{background-color:var(--primary-light);border-left:4px solid var(--primary);border-radius:0 var(--radius-md) var(--radius-md) 0;padding:12px 16px;margin-bottom:14px}.plain-box-label{font-size:.72rem;font-weight:700;text-transform:uppercase;color:var(--primary);margin-bottom:4px;display:flex;align-items:center;gap:4px}.plain-box-text{font-size:.95rem;font-weight:500;line-height:1.6;color:var(--text-main)}.cost-row{display:flex;align-items:baseline;gap:8px;font-size:.86rem;color:var(--text-muted);margin-bottom:12px}.cost-label{font-weight:600;color:var(--text-main)}.collapsible-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background-color:var(--border-light);border:1px solid var(--card-border);border-radius:var(--radius-sm);font-size:.82rem;font-weight:600;color:var(--text-muted);cursor:pointer;margin-top:8px;text-align:left;transition:all .15s ease}.collapsible-trigger:hover{color:var(--text-main);background-color:var(--card-border)}.collapsible-content{padding:14px 16px;font-size:.88rem;line-height:1.7;color:var(--text-main);border-left:2px solid var(--card-border);margin:6px 0 10px 8px;background-color:#00000004}.collapsible-content p{margin-bottom:8px}.collapsible-content p:last-child{margin-bottom:0}.collapsible-content a{color:var(--accent);text-decoration:underline;word-break:break-all}.note-editor{margin-top:12px;padding:10px 14px;background-color:var(--border-light);border-radius:var(--radius-sm)}.note-textarea{width:100%;min-height:60px;background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-sm);padding:8px;font-size:.85rem;color:var(--text-main);font-family:inherit;resize:vertical}.note-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-ring)}.quiz-card{background-color:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-lg);padding:24px;margin-bottom:24px;box-shadow:var(--shadow-sm)}.quiz-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.quiz-title{font-size:1.15rem;font-weight:700;color:var(--text-main)}.quiz-scenario{background-color:var(--border-light);padding:14px 18px;border-radius:var(--radius-md);font-size:.95rem;line-height:1.7;margin-bottom:18px;border-left:4px solid var(--accent)}.quiz-options{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}.quiz-option-btn{display:flex;align-items:flex-start;gap:12px;padding:12px 16px;border:1px solid var(--card-border);background:var(--card-bg);border-radius:var(--radius-md);text-align:left;cursor:pointer;transition:all .15s ease;font-size:.9rem;color:var(--text-main)}.quiz-option-btn:hover{background-color:var(--border-light);border-color:var(--text-dim)}.quiz-option-btn.selected-correct{background-color:var(--success-light);border-color:var(--success);color:var(--success);font-weight:600}.quiz-option-btn.selected-wrong{background-color:var(--danger-light);border-color:var(--danger);color:var(--danger);font-weight:600}.quiz-option-key{width:26px;height:26px;border-radius:50%;background:var(--border-light);color:var(--text-muted);display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;font-size:.8rem}.quiz-result-box{padding:16px;border-radius:var(--radius-md);margin-top:14px}.quiz-result-box.correct{background-color:var(--success-light);border:1px solid rgba(21,128,61,.2)}.quiz-result-box.wrong{background-color:var(--danger-light);border:1px solid rgba(185,28,28,.2)}.quiz-result-title{font-weight:700;margin-bottom:6px;font-size:.95rem}.quiz-result-explanation{font-size:.88rem;line-height:1.65;color:var(--text-main);margin-bottom:8px}.quiz-result-trap{font-size:.82rem;color:var(--warning);font-weight:600}.checklist-progress-card{background:linear-gradient(135deg,var(--primary),#0a4840);color:#fff;padding:24px;border-radius:var(--radius-lg);margin-bottom:24px;box-shadow:var(--shadow-md)}.progress-bar-bg{height:10px;background:#ffffff40;border-radius:9999px;overflow:hidden;margin:12px 0 6px}.progress-bar-fill{height:100%;background:#34d399;border-radius:9999px;transition:width .3s ease}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal-card{background-color:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-lg);max-width:520px;width:100%;padding:24px;box-shadow:var(--shadow-lg)}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.btn-primary{background-color:var(--primary);color:#fff;border:none;padding:8px 16px;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;transition:background .15s ease}.btn-primary:hover{background-color:var(--primary-hover)}@media(max-width:860px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-wrapper{margin-left:0}.main-content{padding:20px 16px}}