:root{
  color-scheme: light;
  --bg:#f7f9fc;--surface:#ffffff;--surface-2:#f4f7fb;--surface-3:#eef3f9;--ink:#20242a;--muted:#6d7580;--line:#dfe5ec;--line-strong:#cbd4df;--accent:#2f74df;--accent-soft:#eaf2ff;--accent-ink:#1b4f9c;--danger:#c0392b;--danger-soft:#fff0ee;--ok:#2f9f57;--shadow:0 16px 38px rgba(25,37,56,.06);--focus:rgba(47,116,223,.2);--sidebar:#fbfcfe;
}
:root[data-theme="dark"]{
  color-scheme: dark;
  --bg:#252a31;--surface:#2f353d;--surface-2:#363d46;--surface-3:#3e4650;--ink:#f4f7fa;--muted:#b7c1ce;--line:#47515d;--line-strong:#5a6674;--accent:#8ab4ff;--accent-soft:#263a57;--accent-ink:#dbe8ff;--danger:#ff9b8d;--danger-soft:#4a302e;--ok:#99d6ad;--shadow:0 16px 38px rgba(0,0,0,.16);--focus:rgba(138,180,255,.22);--sidebar:#2b3037;
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}body{min-height:100vh}button,input,a{font:inherit;border-radius:2px}button{border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:10px 13px;cursor:pointer;font-weight:650}button:hover,a.nav-button:hover{background:var(--surface-2)}button:active{transform:translateY(1px)}button:disabled{opacity:.4;cursor:not-allowed;transform:none}button.secondary,.button-link{border-color:var(--line);background:var(--surface);color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;justify-content:center;padding:10px 12px}.danger{background:var(--danger);border-color:var(--danger);color:#fff}.danger-text{color:var(--danger)}.ghost{background:transparent;border-color:transparent;color:var(--ink)}input{width:100%;border:1px solid var(--line);background:var(--surface);padding:11px 12px;color:var(--ink)}input::placeholder{color:color-mix(in srgb,var(--muted) 78%,transparent)}input:focus,.editable:focus,.editable-note:focus{outline:2px solid var(--focus);border-color:var(--accent)}
.auth{display:grid;place-items:center;padding:24px;min-height:100vh;background:linear-gradient(180deg,var(--bg),var(--surface-2))}.auth-card{width:min(500px,100%);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);padding:24px}.auth-card h1{margin:0 0 6px;font-size:28px;letter-spacing:-.03em}.muted{color:var(--muted);margin:0 0 20px;line-height:1.42}.auth-card form{display:grid;gap:14px}.auth-card label{display:grid;gap:6px;font-weight:650;font-size:14px}.notice{padding:11px 12px;border:1px solid var(--line-strong);background:var(--surface-2);margin:0 0 14px;color:var(--ink)}.notice.error{border-color:color-mix(in srgb,var(--danger) 45%,var(--line));background:var(--danger-soft);color:var(--danger)}.mfa-box{border:1px solid var(--line);background:var(--surface);padding:14px;display:grid;gap:12px;text-align:center;color:var(--ink)}.mfa-box img{margin:auto;width:190px;height:190px;background:#fff;border:10px solid #fff}.mfa-box p{color:var(--muted);margin:0}.mfa-box code{font-size:12px;word-break:break-all;background:var(--surface-2);color:var(--ink);border:1px solid var(--line);padding:9px 10px;display:block}.helper{font-size:13px;color:var(--muted);margin-top:-4px}
.app-shell{min-height:100vh;background:var(--bg)}.app-topbar{height:70px;display:flex;align-items:center;gap:14px;padding:10px 20px;border-bottom:1px solid var(--line);background:var(--surface);position:sticky;top:0;z-index:20}.icon-menu{font-size:22px;width:36px;height:36px;padding:0}.app-brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;min-width:240px}.brand-mark{width:34px;height:34px;border:3px solid var(--accent);color:var(--accent);display:grid;place-items:center;font-size:22px;font-weight:800}.app-brand strong{display:block;font-size:21px;line-height:1;letter-spacing:-.03em}.app-brand small{display:block;color:var(--muted);margin-top:5px}.app-nav{margin-left:auto;display:flex;align-items:center;gap:8px}.nav-button{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;padding:10px 14px;min-height:42px}.nav-button.active{background:var(--surface-3);border-color:var(--line-strong);box-shadow:inset 0 -2px 0 var(--accent);font-weight:750}.theme-icon{font-size:20px;width:42px;height:42px;padding:0}.avatar{width:42px;height:42px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-ink);font-weight:800;border-radius:50%}
.outline-layout{display:grid;grid-template-columns:325px minmax(0,1fr);min-height:calc(100vh - 70px)}.lists-sidebar{background:var(--sidebar);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:calc(100vh - 70px)}.sidebar-head{height:54px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;color:#45546a;font-size:14px;border-bottom:1px solid var(--line)}:root[data-theme="dark"] .sidebar-head{color:var(--muted)}.mini{font-size:24px;width:34px;height:34px;padding:0}.new-list-box{display:grid;grid-template-columns:1fr auto;gap:8px;padding:12px 14px;border-bottom:1px solid var(--line)}.list-tabs{display:grid;padding:8px;gap:2px}.list-tab{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:8px;width:100%;min-height:48px;text-align:left;border-color:transparent;background:transparent;color:var(--ink);font-weight:600}.list-tab.active{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 18%,var(--line));color:var(--accent-ink)}.list-icon{font-size:18px;text-align:center}.list-count{color:var(--muted);font-size:13px}.new-list-link{margin:14px 20px 0;border-color:transparent;background:transparent;color:var(--accent-ink);text-align:left;font-weight:700}.sync-status{margin-top:auto;padding:18px 20px;color:var(--muted);font-size:13px}.sync-status span{display:inline-grid;place-items:center;width:18px;height:18px;border:1px solid var(--ok);color:var(--ok);border-radius:50%;margin-left:5px}.outline-main{min-width:0;background:var(--surface);}.outline-header{height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 22px;border-bottom:1px solid var(--line)}.outline-header h1{font-size:20px;margin:0;letter-spacing:-.02em}.outline-header p{margin:3px 0 0;color:var(--muted);font-size:13px}.outline-tools{display:flex;align-items:center;gap:8px}.item-total{color:var(--muted);font-size:14px;margin-right:8px}.tool{height:40px;min-width:44px}.tool.active{background:var(--surface-3);box-shadow:inset 0 -2px 0 var(--accent)}.quick-add-row{display:grid;grid-template-columns:46px 1fr;margin:12px 22px 14px;border:1px solid var(--line);background:var(--surface)}.quick-add-row input{border:0;background:transparent}.add-plus{border:0;border-right:1px solid var(--line);background:var(--surface-2);font-size:23px;color:var(--muted);padding:0}.outline-items{list-style:none;margin:0 22px 40px;padding:0}.outline-item{display:grid;grid-template-columns:30px 28px minmax(0,1fr) 92px auto 28px;align-items:start;gap:8px;min-height:39px;border-bottom:1px solid var(--line);background:var(--surface);padding:8px 6px;position:relative}.outline-item.level-1{padding-left:36px}.outline-item.level-2{padding-left:72px}.outline-item.level-3{padding-left:108px}.outline-item.level-4{padding-left:144px}.outline-item.level-1::before,.outline-item.level-2::before,.outline-item.level-3::before,.outline-item.level-4::before{content:"";position:absolute;left:20px;top:0;bottom:0;width:1px;background:var(--line)}.outline-item.level-2::before{left:56px}.outline-item.level-3::before{left:92px}.outline-item.level-4::before{left:128px}.disclosure{border:0;background:transparent;color:var(--muted);font-size:22px;line-height:1;width:28px;height:28px;padding:0}.toggle{width:17px;height:17px;margin:5px 0 0;accent-color:var(--accent);padding:0;flex:0 0 auto}.item-content{min-width:0;display:grid;gap:2px}.item-text{display:block;min-height:24px;padding:2px 4px;border:1px solid transparent;line-height:1.25}.item-note{display:block;min-height:18px;color:var(--muted);font-size:13px;padding:0 4px;white-space:pre-wrap}.item-note:empty::before{content:attr(data-placeholder);color:transparent}.outline-item:hover .item-note:empty::before{color:color-mix(in srgb,var(--muted) 45%,transparent)}.outline-item.done .item-text{text-decoration:line-through;color:var(--muted)}.outline-item.done .item-date{text-decoration:line-through}.item-date{border:0;background:transparent;text-align:right;color:var(--muted);padding:3px 2px;font-size:13px}.row-actions{display:flex;gap:3px;opacity:0;transition:opacity .12s}.outline-item:hover .row-actions,.outline-item:focus-within .row-actions{opacity:1}.row-action{width:26px;height:26px;padding:0;border-color:transparent;background:transparent;color:var(--muted)}.row-action:hover{border-color:var(--line);background:var(--surface-2);color:var(--ink)}.row-action.remove{color:var(--danger)}.drag-handle{color:var(--muted);font-size:18px;letter-spacing:-6px;margin-top:2px;opacity:.75}.outline-empty{margin:22px;border:1px dashed var(--line-strong);background:var(--surface-2);padding:40px;text-align:center;color:var(--muted);display:grid;gap:6px}.outline-empty strong{color:var(--ink)}
.settings-shell{max-width:1180px;margin:0 auto;padding:22px}.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.settings-card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);padding:16px}.settings-card h2{margin:0 0 8px;font-size:18px}.settings-card p,.settings-card li{color:var(--muted);line-height:1.45}.theme-options{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.theme-option{border:1px solid var(--line);background:var(--surface-2);color:var(--ink);padding:12px}.theme-option.active{border-color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent)}.detail-list{display:grid;gap:8px;margin-top:12px}.detail-row{display:grid;grid-template-columns:130px 1fr;gap:8px;border-top:1px solid var(--line);padding-top:8px}.detail-row span:first-child{color:var(--muted)}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.stat{background:var(--surface-2);border:1px solid var(--line);padding:10px}.stat b{display:block;font-size:21px}.stat span{color:var(--muted);font-size:12px}.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.42);display:none;align-items:center;justify-content:center;padding:16px;z-index:100}.modal-backdrop.show{display:flex}.modal{width:min(420px,100%);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);padding:18px}.modal h2{margin:0 0 8px}.modal p{margin:0 0 16px;color:var(--muted)}.modal-actions{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}
@media(max-width:860px){.app-topbar{height:auto;min-height:64px;padding:9px 12px}.app-brand{min-width:0}.app-brand small{display:none}.nav-button span{display:none}.outline-layout{grid-template-columns:1fr}.lists-sidebar{position:fixed;left:0;top:61px;bottom:0;width:min(325px,88vw);z-index:30;box-shadow:var(--shadow);transform:translateX(-102%);transition:transform .18s}.lists-sidebar.open{transform:translateX(0)}.outline-main{min-height:calc(100vh - 64px)}.settings-grid{grid-template-columns:1fr}.row-actions{opacity:1}.outline-item{grid-template-columns:26px 25px minmax(0,1fr) 72px 28px}.outline-item .row-actions{grid-column:3 / 6}.drag-handle{grid-column:5}.outline-tools .tool:nth-child(3){display:none}}
@media(max-width:600px){.app-nav{gap:4px}.avatar{display:none}.theme-icon,.nav-button{min-width:36px;width:38px;height:38px;padding:0;justify-content:center}.brand-mark{width:30px;height:30px}.app-brand strong{font-size:17px}.outline-header{height:auto;padding:12px;align-items:flex-start}.outline-tools{gap:4px}.quick-add-row,.outline-items{margin-left:10px;margin-right:10px}.outline-item{gap:5px;padding:8px 2px}.outline-item.level-1{padding-left:18px}.outline-item.level-2{padding-left:36px}.outline-item.level-3{padding-left:54px}.outline-item.level-4{padding-left:72px}.item-date{font-size:12px}.settings-shell{padding:12px}.theme-options{grid-template-columns:1fr}}