:root{--bg: #f6f4ef;--surface: #ffffff;--surface-warm: #fffdf9;--sidebar-bg: #f0eee8;--text: #172033;--muted: #687386;--primary: #1d4ed8;--primary-deep: #173da9;--primary-soft: #e7efff;--accent: #0f766e;--accent-soft: #ccfbf1;--warn: #b45309;--warn-soft: #fef3c7;--border: #e3e0d9;--border-strong: #c8c5bd;--shadow: 0 12px 32px rgba(23, 32, 51, .07);--shadow-topbar: 0 1px 0 rgba(23, 32, 51, .06), 0 8px 24px rgba(23, 32, 51, .04);--radius: 14px;--topbar-height: 74px;--sidebar-width: 264px;--font: "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif}:root[data-theme=dark]{color-scheme:dark;--bg: #101722;--surface: #182231;--surface-warm: #1d2939;--sidebar-bg: #141d2a;--text: #edf2f7;--muted: #a5b0bf;--primary: #8ab4ff;--primary-deep: #b1caff;--primary-soft: #20385f;--accent: #5eead4;--accent-soft: #123e3b;--warn: #fbbf24;--warn-soft: #3d2e0a;--border: #2c3a4d;--border-strong: #50617a;--shadow: 0 16px 40px rgba(0, 0, 0, .2);--shadow-topbar: 0 1px 0 rgba(255, 255, 255, .05), 0 8px 24px rgba(0, 0, 0, .18)}*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--topbar-height) + 24px)}body{margin:0;font-family:var(--font);color:var(--text);background:radial-gradient(circle at 82% 0%,rgba(219,234,254,.45),transparent 28rem),var(--bg);line-height:1.5}body.sidebar-open{overflow:hidden}a{color:var(--primary)}.layout{min-height:100vh}.topbar{position:sticky;top:0;z-index:30;min-height:var(--topbar-height);background:#ffffffeb;border-bottom:1px solid var(--border);box-shadow:var(--shadow-topbar);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.topbar-inner{display:flex;align-items:center;gap:28px;width:100%;max-width:none;min-height:var(--topbar-height);margin:0;padding:12px clamp(20px,4vw,56px)}.brand{display:inline-flex;flex:0 0 auto;align-items:center;gap:10px;color:var(--text);text-decoration:none}.brand-mark{display:grid;width:36px;height:36px;place-items:center;overflow:hidden;border:1px solid #cdd9fb;border-radius:11px;background:var(--primary-soft)}.brand-mark img{display:block;width:29px;height:29px}.brand-copy{display:grid;gap:1px}.brand-eyebrow,.sidebar-eyebrow,.topbar-context-label{color:var(--muted);font-size:.64rem;font-weight:800;letter-spacing:.13em;line-height:1.2}.brand-name{font-size:1rem;font-weight:800;letter-spacing:-.02em}.topbar-context{display:grid;flex:1 1 auto;gap:3px;min-width:0}.topbar-context-title{overflow:hidden;color:var(--text);font-size:.9rem;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.topbar-actions{display:flex;flex:0 1 auto;align-items:center;justify-content:flex-end;gap:10px}.topbar-link{color:var(--muted);font-size:.85rem;font-weight:700;text-decoration:none;white-space:nowrap}.topbar-link:hover,.topbar-link:focus-visible{color:var(--primary)}.connection-pill{display:inline-flex;align-items:center;gap:7px;min-height:32px;padding:6px 10px;border:1px solid #b9eadf;border-radius:999px;background:#f1fcf9;color:var(--accent);font-size:.78rem;font-weight:800;white-space:nowrap}.connection-pill.is-loading{border-color:#d9dfea;background:#f7f8fb;color:var(--muted)}.connection-pill.is-error{border-color:#f2c4bd;background:#fff5f3;color:#a2382b}.connection-dot,.sidebar-health-dot{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 0 3px #0f766e1f}.connection-pill.is-loading .connection-dot{box-shadow:0 0 0 3px #6873861f}.connection-pill.is-error .connection-dot{box-shadow:0 0 0 3px #a2382b1f}.mobile-menu-toggle{display:none;align-items:center;gap:7px;padding:8px 10px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text);font-size:.84rem;font-weight:700}.menu-icon{display:grid;gap:3px;width:15px}.menu-icon span{display:block;height:2px;border-radius:999px;background:currentColor}.app-frame{display:grid;grid-template-columns:var(--sidebar-width) minmax(0,1fr);width:100%;max-width:none;min-height:calc(100vh - var(--topbar-height));margin:0}.sidebar{position:sticky;top:var(--topbar-height);display:flex;flex-direction:column;width:var(--sidebar-width);height:calc(100vh - var(--topbar-height));padding:28px 16px 20px;border-right:1px solid var(--border);background:#f0eee8cc}.sidebar-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:0 10px 16px}.sidebar-heading h2{margin:5px 0 0;color:var(--text);font-size:1.1rem;letter-spacing:-.02em}.sidebar-count{padding-top:2px;color:var(--muted);font-size:.63rem;font-weight:800;letter-spacing:.08em;white-space:nowrap}.steps-nav{display:grid;gap:5px}.step-link{position:relative;display:grid;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:10px;min-height:60px;padding:8px 10px;border:1px solid transparent;border-radius:12px;color:var(--muted);text-decoration:none;transition:background .16s ease,border-color .16s ease,color .16s ease,transform .16s ease}.step-link:hover,.step-link:focus-visible{border-color:var(--border);background:#ffffffad;color:var(--text);transform:translate(2px)}.step-link.active{border-color:#cbd8fb;background:var(--surface);color:var(--text);box-shadow:0 5px 16px #1d4ed814}.step-link.active:before{position:absolute;top:12px;bottom:12px;left:-1px;width:3px;border-radius:0 4px 4px 0;background:var(--primary);content:""}.step-marker{display:grid;width:30px;height:30px;place-items:center;border:1px solid var(--border-strong);border-radius:9px;background:#fff6}.step-link .num{color:var(--muted);font-size:.79rem;font-weight:800;line-height:1}.step-link.active .step-marker{border-color:var(--primary);background:var(--primary);color:#fff}.step-link.active .num{color:#fff}.step-copy{display:grid;gap:2px;min-width:0}.step-title{overflow:hidden;color:currentColor;font-size:.9rem;font-weight:750;text-overflow:ellipsis;white-space:nowrap}.step-meta{overflow:hidden;color:var(--muted);font-size:.72rem;text-overflow:ellipsis;white-space:nowrap}.sidebar-footer{display:grid;gap:10px;margin-top:auto;padding-top:20px}.sidebar-health,.sidebar-resource{display:flex;align-items:flex-start;gap:9px;padding:11px 10px;border:1px solid var(--border);border-radius:11px;background:#ffffff8c;color:var(--text);text-decoration:none}.sidebar-health-dot{flex:0 0 auto;margin-top:5px;color:var(--accent)}.sidebar-health.is-error .sidebar-health-dot{color:#a2382b;box-shadow:0 0 0 3px #a2382b1f}.sidebar-health>span:last-child,.sidebar-resource>span:last-child{display:grid;gap:2px;min-width:0}.sidebar-health strong,.sidebar-resource strong{font-size:.78rem}.sidebar-health small,.sidebar-resource small{overflow:hidden;color:var(--muted);font-size:.69rem;text-overflow:ellipsis;white-space:nowrap}.sidebar-resource:hover,.sidebar-resource:focus-visible{border-color:#bdcafa;background:var(--surface)}.resource-icon{display:grid;flex:0 0 auto;width:21px;height:21px;place-items:center;border-radius:6px;background:var(--primary-soft);color:var(--primary);font-size:.8rem;font-weight:800}.content{min-width:0;padding:36px clamp(20px,4vw,64px) 80px}.offline-notice{max-width:960px;margin:0 auto 16px;padding:16px 20px;border:1px solid var(--warn);border-radius:12px;background:var(--warn-soft);color:var(--text);line-height:1.7}.offline-notice strong{color:var(--warn)}.offline-notice p{margin:6px 0 0}.hero{position:relative;overflow:hidden;max-width:960px;margin:0 auto 24px;padding:34px 36px 32px;border:1px solid #dce4fb;border-radius:calc(var(--radius) + 4px);background:linear-gradient(135deg,#fffffffa,#f8faffeb),var(--surface);box-shadow:var(--shadow)}.hero:after{position:absolute;top:-90px;right:-60px;width:230px;height:230px;border:1px solid rgba(29,78,216,.1);border-radius:50%;box-shadow:0 0 0 28px #1d4ed809,0 0 0 56px #1d4ed806;content:"";pointer-events:none}.hero-kicker{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;color:var(--primary);font-size:.68rem;font-weight:850;letter-spacing:.14em}.hero-count{padding:5px 9px;border:1px solid #dbe4fc;border-radius:999px;background:#ffffffb8;color:var(--muted);font-size:.68rem;font-weight:700;letter-spacing:0}.hero h1{position:relative;z-index:1;margin:0 0 10px;font-size:clamp(1.8rem,3vw,2.35rem);letter-spacing:-.045em;line-height:1.15;text-wrap:pretty}.hero p{position:relative;z-index:1;max-width:720px;margin:0;color:var(--muted);line-height:1.75;text-wrap:pretty}.hero .callout{position:relative;z-index:1;margin-bottom:0}.panel{scroll-margin-top:calc(var(--topbar-height) + 24px);max-width:960px;margin:0 auto 20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.panel h2{margin:0 0 8px;font-size:1.35rem}.panel .lead{margin:0 0 18px;color:var(--muted);line-height:1.7;text-wrap:pretty}.callout{border-radius:12px;padding:14px 16px;margin:16px 0;line-height:1.6;overflow-wrap:anywhere}.callout.info{background:var(--primary-soft);border:1px solid #bfdbfe}.callout.warn{background:var(--warn-soft);border:1px solid #fde68a}.callout.success{background:var(--accent-soft);border:1px solid #99f6e4}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 800px){.grid-2{grid-template-columns:1fr}}label{display:block;font-weight:600;margin-bottom:6px}input,textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font:inherit;background:var(--surface-warm);color:var(--text)}textarea{min-height:110px;resize:vertical}.field{margin-bottom:14px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}.auth-panel{display:flex;align-items:center;gap:10px;min-width:0}.auth-avatar{display:grid;flex:0 0 auto;width:28px;height:28px;place-items:center;border:1px solid #cbd8fb;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:.75rem;font-weight:850}.auth-status{color:var(--muted);max-width:190px;overflow:hidden;font-size:.78rem;text-overflow:ellipsis;white-space:nowrap}.account-menu-wrap{position:relative;display:flex;flex:0 0 auto;align-items:center}.account-trigger{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:4px 7px 4px 5px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--text)}.account-trigger:hover:not(:disabled),.account-trigger:focus-visible{border-color:var(--border);background:var(--surface-warm);transform:none}.account-trigger .auth-avatar{width:34px;height:34px;border-color:#b7c9f8;background:var(--primary-soft);font-size:.82rem}.auth-avatar img{display:block;width:100%;height:100%;object-fit:cover;border-radius:inherit}.account-trigger-copy{display:grid;gap:1px;min-width:0;text-align:left}.account-trigger-label{color:var(--accent);font-size:.68rem;font-weight:800;letter-spacing:.02em}.account-chevron{display:grid;width:18px;height:18px;place-items:center;color:var(--muted)}.account-chevron svg,.menu-item-icon svg{display:block;width:17px;height:17px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.account-menu{position:absolute;top:calc(100% + 10px);right:0;z-index:50;width:min(286px,calc(100vw - 24px));padding:10px;border:1px solid var(--border);border-radius:14px;background:var(--surface);box-shadow:0 18px 42px #17203329}.account-menu-header{display:grid;gap:4px;padding:8px 10px 10px}.account-menu-header strong{overflow:hidden;color:var(--text);font-size:.84rem;text-overflow:ellipsis;white-space:nowrap}.menu-eyebrow{color:var(--muted);font-size:.62rem;font-weight:850;letter-spacing:.14em}.menu-divider{height:1px;margin:0 2px 6px;background:var(--border)}.menu-item{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:44px;padding:9px 10px;border:1px solid transparent;border-radius:9px;background:transparent;color:var(--text);text-align:left}.menu-item:hover:not(:disabled),.menu-item:focus-visible{background:var(--primary-soft);color:var(--text);transform:none}.menu-item-label{display:inline-flex;align-items:center;gap:9px}.menu-item-icon{display:grid;width:20px;height:20px;place-items:center;color:var(--muted)}.menu-item-value{color:var(--muted);font-size:.75rem}.menu-item-danger:hover:not(:disabled),.menu-item-danger:focus-visible{background:#fff1ef;color:#a2382b}.auth-panel-unavailable{min-height:44px}button,.button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:10px;padding:11px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}button:hover:not(:disabled),.button:hover{transform:translateY(-1px)}button:focus-visible,.button:focus-visible,.brand:focus-visible,.topbar-link:focus-visible,.step-link:focus-visible,.sidebar-resource:focus-visible{outline:3px solid rgba(29,78,216,.22);outline-offset:2px}button.primary,.button.primary{background:var(--primary);color:#fff;box-shadow:0 5px 12px #1d4ed82e}button.primary:hover:not(:disabled),.button.primary:hover{background:var(--primary-deep)}button.secondary,.button.secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}button:disabled{opacity:.6;cursor:not-allowed}.flow{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:16px 0}.flow .node{background:var(--bg);border:1px dashed #cbd5e1;border-radius:10px;padding:10px 12px;font-size:.92rem}.flow .arrow{color:var(--muted);font-weight:700}.result-box{background:#0f172a;color:#e2e8f0;border-radius:12px;padding:16px;overflow:auto;font-family:Consolas,Courier New,monospace;font-size:.92rem;line-height:1.55;min-height:120px;white-space:pre-wrap}.glossary{display:grid;gap:10px}.glossary dt{font-weight:700}.glossary dd{margin:0 0 8px;color:var(--muted);line-height:1.6}.note-list,.event-list{display:grid;gap:10px}.note-card,.event-card{border:1px solid var(--border);border-radius:12px;padding:14px;background:#fafafa}.note-card h3,.event-card h3{margin:0 0 6px;font-size:1rem}.note-card p,.event-card p{margin:0;color:var(--muted);line-height:1.6}.status-banner{position:fixed;right:24px;bottom:24px;z-index:40;max-width:min(540px,calc(100vw - 32px));max-height:160px;padding:10px 16px;overflow:auto;border:1px solid rgba(255,255,255,.1);border-radius:12px;background:#111827;color:#f9fafb;box-shadow:0 14px 34px #0f172a33;font-size:.92rem}.status-banner.error{background:#7f1d1d}.sidebar-backdrop{display:none}.hidden{display:none!important}.app-error-boundary{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--bg);color:var(--text)}.app-error-boundary-card{width:min(100%,520px);padding:32px;border:1px solid var(--border);border-radius:16px;background:var(--surface);box-shadow:0 18px 50px #1720331f;text-align:center}.app-error-boundary-eyebrow{margin:0 0 12px;color:var(--muted);font-size:.75rem;font-weight:800;letter-spacing:.14em}.app-error-boundary-card h1{margin:0 0 12px;font-size:clamp(1.5rem,4vw,2rem)}.app-error-boundary-card p:not(.app-error-boundary-eyebrow){margin:0 0 24px;color:var(--muted);line-height:1.7}@media (max-width: 1120px){.topbar-inner{gap:18px;padding-inline:24px}.topbar-link{display:none}.auth-status{max-width:145px}}@media (max-width: 860px){:root{--topbar-height: 68px}.topbar-inner{gap:6px;min-height:var(--topbar-height);padding:10px 12px}.brand-copy,.topbar-context{display:none}.topbar-actions{flex:1 1 auto;gap:6px}.mobile-menu-toggle{display:inline-flex;order:-1;flex:0 0 auto;padding-inline:8px}.topbar-refresh{padding-inline:11px;font-size:.8rem}.auth-panel{margin-left:auto;gap:6px}.auth-status{display:none}.app-frame{display:block}.sidebar{position:fixed;top:var(--topbar-height);bottom:0;left:0;z-index:25;height:auto;transform:translate(-105%);transition:transform .2s ease;box-shadow:12px 0 30px #1720331f}body.sidebar-open .sidebar{transform:translate(0)}.sidebar-backdrop{position:fixed;inset:var(--topbar-height) 0 0;z-index:20;display:block;background:#17203342;opacity:1;transition:opacity .2s ease}.content{padding:24px 16px 64px}.hero{padding:28px 24px 26px}}@media (max-width: 560px){.status-banner{right:16px;bottom:16px;max-width:calc(100vw - 32px)}.connection-pill{min-width:0;padding-inline:8px}.connection-pill span:last-child{max-width:68px;overflow:hidden;text-overflow:ellipsis}.topbar-refresh{width:38px;padding:8px 0;overflow:hidden;font-size:0}.topbar-refresh:before{content:"↻";font-size:1rem}.auth-panel button{width:36px;height:36px;padding:0;font-size:0}#googleSignInBtn:before{content:"G";font-size:.9rem;font-weight:850}#signOutBtn:before{content:"↪";font-size:1rem;font-weight:850}.auth-panel button{padding-inline:10px}.hero{padding:24px 20px}.panel{padding:20px}.panel h2{font-size:1.2rem}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}:root[data-theme=dark] body{background:radial-gradient(circle at 82% 0%,rgba(41,79,131,.28),transparent 28rem),var(--bg)}:root[data-theme=dark] .topbar{background:#101722eb}:root[data-theme=dark] .brand-mark,:root[data-theme=dark] .hero-count,:root[data-theme=dark] .step-marker,:root[data-theme=dark] .sidebar-health,:root[data-theme=dark] .sidebar-resource,:root[data-theme=dark] .account-trigger:hover:not(:disabled),:root[data-theme=dark] .account-trigger:focus-visible{background:var(--surface-warm)}:root[data-theme=dark] .sidebar{background:#141d2aeb}:root[data-theme=dark] .step-link:hover,:root[data-theme=dark] .step-link:focus-visible{background:#1d2939d1}:root[data-theme=dark] .step-link.active{border-color:#3f5c92}:root[data-theme=dark] .hero{border-color:#304d7a;background:linear-gradient(135deg,#182231fa,#1b2a40f0)}:root[data-theme=dark] .hero-count{border-color:#38527d}:root[data-theme=dark] .callout.info{border-color:#36568a}:root[data-theme=dark] .callout.warn{border-color:#7b5b12}:root[data-theme=dark] .callout.success{border-color:#21776b}:root[data-theme=dark] .note-card,:root[data-theme=dark] .event-card{background:var(--surface-warm)}:root[data-theme=dark] .menu-item-danger:hover:not(:disabled),:root[data-theme=dark] .menu-item-danger:focus-visible{background:#482321;color:#ffb4a9}:root[data-theme=dark] input::placeholder,:root[data-theme=dark] textarea::placeholder{color:#7f8da2}@media (max-width: 560px){.auth-panel button.auth-signin{width:auto;height:auto;padding:9px 11px;font-size:.78rem}}