:root{--bg:#fbfbfe;--fg:#1b1b27;--muted:#5f6070;--accent:#4f46e5;--accent-hover:#4338ca;--accent-soft:#eeedfd;--logo-bg:#8b83ff;--border:#e4e4ef;--panel-bg:#fff;--card-bg:#fff;--card-shadow:0 1px 2px #1b1b270f, 0 4px 14px #1b1b270f;--border-soft:#eee;--shadow:#00000014;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Noto Sans TC,Microsoft JhengHei,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;line-height:1.6}.site-header{border-bottom:1px solid var(--border);background:var(--bg);z-index:10;justify-content:space-between;align-items:center;padding:12px 24px;display:flex;position:sticky;top:0}.brand{color:var(--fg);align-items:baseline;gap:8px;text-decoration:none;display:flex}.brand-mark{background:var(--logo-bg);color:#fff;border-radius:8px;justify-content:center;align-self:center;align-items:center;width:32px;height:32px;font-weight:700;display:inline-flex}.brand-name{font-size:18px;font-weight:700}.brand-text{flex-direction:column;line-height:1.15;display:flex}.brand-row{align-items:baseline;gap:8px;display:flex}.brand-version{font:inherit;color:var(--muted);text-align:left;cursor:pointer;background:0 0;border:0;padding:0;font-size:10px}.brand-version:hover{color:var(--fg)}.brand-version:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.brand-sub{color:var(--muted);font-size:12px}.brand a{color:inherit;text-decoration:none}.header-actions{align-items:center;gap:12px;display:flex}.header-center{flex:1;justify-content:center;align-items:center;gap:8px;min-width:0;margin:0 16px;display:flex}.notebook-picker{align-items:center;gap:6px;min-width:0;display:flex;position:relative}.notebook-current{border:1px solid var(--border);background:var(--panel-bg);min-width:0;max-width:240px;color:var(--fg);font:inherit;cursor:pointer;border-radius:8px;align-items:center;gap:8px;padding:6px 12px;font-size:14px;display:inline-flex}.notebook-current:hover:not(:disabled){border-color:var(--accent)}.notebook-current:disabled{cursor:default;opacity:.6}.notebook-current-label{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.notebook-caret{color:var(--muted);font-size:12px}.notebook-add{border:1px solid var(--border);background:var(--panel-bg);width:32px;height:32px;color:var(--fg);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;font-size:16px;line-height:1;display:inline-flex}.notebook-add:hover{border-color:var(--accent);color:var(--accent)}.notebook-current:focus-visible,.notebook-add:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.notebook-menu{z-index:30;background:var(--panel-bg);border:1px solid var(--border-soft);min-width:200px;max-height:60vh;box-shadow:0 4px 16px var(--shadow);border-radius:8px;flex-direction:column;padding:4px;display:flex;position:absolute;top:calc(100% + 6px);left:0;overflow:auto}.notebook-menu-item{text-align:left;width:100%;color:var(--fg);font:inherit;cursor:pointer;background:0 0;border:none;border-radius:6px;padding:8px 12px;display:block}.notebook-menu-item:hover{background:var(--accent-soft)}.notebook-menu-item[aria-checked=true]{color:var(--accent);font-weight:700}.notebook-menu-empty{color:var(--muted);margin:0;padding:8px 12px;font-size:13px}.notebook-dialog{border:1px solid var(--border);background:var(--panel-bg);width:min(420px,100% - 32px);color:var(--fg);border-radius:16px;padding:28px}.notebook-dialog::backdrop{background:#000000a6}.notebook-dialog h2{margin:0 0 12px;font-size:18px}.notebook-dialog-label{color:var(--muted);margin-bottom:6px;font-size:14px;display:block}.notebook-dialog-input{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--fg);font:inherit;border-radius:8px;padding:8px 12px}.notebook-dialog-input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.notebook-dialog .dialog-actions{gap:8px}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn-primary:disabled{cursor:default;opacity:.5}.header-menu{position:relative}.avatar-chip{cursor:pointer;color:inherit;font:inherit;background:0 0;border:none;align-items:center;gap:.5rem;padding:.25rem;display:inline-flex}.user-avatar{border-radius:50%;width:28px;height:28px}.user-avatar-fallback{background:var(--accent);color:#fff;justify-content:center;align-items:center;font-size:13px;font-weight:700;line-height:1;display:inline-flex}.header-menu-list{z-index:30;background:var(--panel-bg);border:1px solid var(--border-soft);min-width:140px;box-shadow:0 4px 16px var(--shadow);border-radius:8px;flex-direction:column;padding:4px;display:flex;position:absolute;top:calc(100% + 6px);right:0}.header-menu-item{text-align:left;width:100%;color:var(--fg);font:inherit;cursor:pointer;background:0 0;border:none;border-radius:6px;padding:8px 12px;text-decoration:none;display:block}.header-menu-item:hover{background:var(--accent-soft)}@media (width<=480px){.site-header{padding:8px 12px}.brand-sub,.brand-version{display:none}.header-center{margin:0 8px}.notebook-current{max-width:140px;padding:6px 8px}}button{transition:background-color .12s,border-color .12s,color .12s,transform 80ms,filter 80ms}button:not(:disabled):active{filter:brightness(.88);transform:scale(.96)}.btn{border:1px solid var(--border);cursor:pointer;background:var(--panel-bg);color:var(--fg);border-radius:8px;padding:8px 16px;font-family:inherit;font-size:14px}.btn-quiet{opacity:.55;cursor:default}.google-signin{font:inherit;border:1px solid color-mix(in srgb, var(--accent) 50%, transparent);color:var(--fg);background:color-mix(in srgb, var(--accent) 10%, transparent);cursor:pointer;border-radius:8px;align-items:center;gap:10px;padding:8px 14px;font-size:15px;font-weight:400;transition:box-shadow .3s,border-color .3s;display:inline-flex}.google-signin:hover:not(:disabled){border-color:var(--accent);color:var(--fg);background:color-mix(in srgb, var(--accent) 10%, transparent);box-shadow:0 4px 16px #0000002e}.google-signin:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.google-signin:disabled{cursor:default;opacity:.6}.google-signin-lg{padding:12px 22px;font-size:17px}.google-mark{flex:none;width:18px;height:18px}.app-columns{grid-template-columns:clamp(11rem,17vw,18rem) minmax(0,1fr);align-items:start;gap:16px;width:100%;padding:16px 16px 64px;display:grid}.app-left{align-self:start;max-height:calc(100vh - 100px);position:sticky;top:84px;overflow-y:auto}.app-center{min-width:0}.main-menu ul{gap:4px;margin:0;padding:0;list-style:none;display:grid}.main-menu a{color:var(--fg);border:1px solid #0000;border-radius:8px;align-items:center;gap:10px;padding:10px 12px;font-size:15px;text-decoration:none;display:flex}.main-menu a:hover{background:var(--accent-soft);border-color:var(--border)}.main-menu a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.main-menu a.active{background:var(--accent-soft);border-color:var(--border);color:var(--accent);font-weight:600}.main-menu-icon{text-align:center;flex:none;width:1.1em}.note-tree{border-top:1px solid var(--border);margin-top:16px;padding-top:12px}.note-tree-title{color:var(--muted);letter-spacing:.04em;margin:0 0 8px;font-size:12px;font-weight:700}.note-tree ul{gap:2px;margin:0;padding:0;list-style:none;display:grid}.note-tree-empty{color:var(--muted);margin:4px 0 4px 8px;font-size:13px}.note-tree-section,.note-tree-note{width:100%;color:var(--fg);text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;gap:6px;padding:7px 10px;font-size:14px;display:flex}.note-tree-section{font-weight:600}.note-tree-section:hover,.note-tree-note:hover{background:var(--accent-soft);border-color:var(--border)}.note-tree-section:focus-visible,.note-tree-note:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.note-tree-caret{width:1em;color:var(--muted);flex:none}.note-tree-notes{margin-left:18px}.note-tree-note.is-current{background:var(--accent-soft);border-color:var(--border);color:var(--accent);font-weight:600}.header-hamburger{border:1px solid var(--border);background:var(--panel-bg);color:var(--fg);cursor:pointer;border-radius:8px;margin-right:8px;padding:6px 10px;font-size:18px;line-height:1;display:none}.app-drawer-backdrop{display:none}@media (width<=900px){.app-columns{grid-template-columns:1fr;padding:12px 12px 48px}.header-hamburger{display:inline-flex}.app-left{z-index:30;background:var(--panel-bg);border-right:1px solid var(--border);width:min(78vw,300px);height:100vh;max-height:none;box-shadow:0 0 24px var(--shadow);padding:16px;transition:transform .18s;position:fixed;top:0;left:0;transform:translate(-100%)}.app-left.is-open{transform:translate(0)}.app-drawer-backdrop{z-index:20;cursor:pointer;background:#00000073;border:0;padding:0;display:block;position:fixed;inset:0}}.app-main{max-width:1180px;margin:0 auto;padding:32px 32px 64px}.landing-hero{text-align:center;padding:24px 0 8px}.landing-eyebrow{color:var(--accent);letter-spacing:.12em;margin:0;font-size:13px;font-weight:700}.landing-hero h1{margin:8px 0 12px;font-size:clamp(28px,5vw,42px);line-height:1.25}.landing-lead{max-width:34em;color:var(--muted);margin:0 auto 24px}.landing-features{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:40px;display:grid}.feature-card{border:1px solid var(--border);background:var(--card-bg);box-shadow:var(--card-shadow);border-radius:12px;padding:20px}.feature-card h2{margin:0 0 6px;font-size:17px}.feature-card p{color:var(--muted);margin:0;font-size:14px}.home-title{margin:0 0 4px;font-size:26px}.home-sub{color:var(--muted);margin:0 0 24px}.home-empty{border:1px dashed var(--border);background:var(--panel-bg);text-align:center;border-radius:12px;padding:40px 20px}.home-empty-title{margin:0 0 6px;font-weight:700}.home-empty-desc{color:var(--muted);margin:0;font-size:14px}.note-view{border:1px solid var(--border);background:var(--panel-bg);border-radius:12px;padding:20px}.note-view-hint{color:var(--muted);margin:0;font-size:14px}.note-view-body{font:inherit;white-space:pre-wrap;word-break:break-word;margin:0}.settings-page{max-width:960px;margin:0 auto;padding:1.5rem 0 3rem}.settings-title{margin:0 0 1.5rem;font-size:1.5rem}.settings-group{background:var(--panel-bg);border:1px solid var(--border);border-radius:12px;gap:.5rem;padding:1rem 1.25rem;display:grid}.settings-group+.settings-group{margin-top:1rem}.settings-legend{padding:0 .4rem;font-size:.95rem;font-weight:600}.settings-option{cursor:pointer;border:1px solid var(--border);border-radius:10px;align-items:center;gap:.5rem;padding:14px;display:flex}.settings-option:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}.settings-option input{accent-color:var(--accent)}.theme-swatch{border:1px solid var(--border);border-radius:6px;flex-shrink:0;width:48px;height:30px}.theme-swatch-light{background:linear-gradient(110deg,#fbfbfe 65%,#4f46e5 65%)}.theme-swatch-dark{background:linear-gradient(110deg,#14141f 65%,#8b83ff 65%)}.settings-note{color:var(--muted);margin:1rem 0 0;font-size:.85rem}:root[data-theme=dark]{--bg:#14141f;--fg:#ececf5;--muted:#a1a1b5;--accent:#8b83ff;--accent-hover:#a29bff;--accent-soft:#23233a;--border:#2e2e42;--panel-bg:#1b1b2a;--card-bg:#1b1b2a;--card-shadow:0 1px 2px #00000059, 0 4px 14px #00000059;--border-soft:#2e2e42;--shadow:#00000080;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}.updates-dialog{border:1px solid var(--border);background:var(--panel-bg);width:min(680px,100% - 32px);max-height:85vh;color:var(--fg);border-radius:16px;padding:28px;overflow:hidden}.updates-dialog::backdrop{background:#000000a6}.updates-dialog[open]{flex-direction:column;display:flex}.updates-dialog h2{margin:0 0 12px}.updates-dialog-body{overscroll-behavior:contain;flex:1;min-height:0;overflow:auto}.dialog-actions{justify-content:flex-end;margin-top:16px;display:flex}.dialog-close{width:32px;height:32px;color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;font-size:20px;line-height:1;display:inline-flex;position:absolute;top:12px;right:12px}.dialog-close:hover{background:var(--accent-soft);color:var(--fg);border-color:var(--border)}.dialog-close:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.updates-entry{border-bottom:1px solid var(--border);padding:12px 0}.updates-entry:last-child{border-bottom:0}.updates-entry-head{flex-wrap:wrap;align-items:baseline;gap:10px;display:flex}.updates-time{color:var(--muted);font-size:13px}.updates-title{margin:6px 0 0;line-height:1.6}.updates-entry ul{color:var(--muted);margin:4px 0 0;padding-left:1.4em;line-height:1.6}.placeholder-note{color:var(--muted);margin:0}