:root{--bg: #ffffff;--fg: #1f2328;--muted: #6b7280;--border: #e5e7eb;--panel: #f6f7f9;--accent: #3478f6;--danger: #e5484d}@media (prefers-color-scheme: dark){:root{--bg: #16181c;--fg: #e6e8eb;--muted: #8b919a;--border: #2e3238;--panel: #1e2126;--accent: #5c8dff;--danger: #ff6369}}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Malgun Gothic,system-ui,sans-serif;background:var(--bg);color:var(--fg)}button{font:inherit;cursor:pointer}input,textarea,select{font:inherit;color:inherit}.center-msg{display:grid;place-items:center;height:100vh;color:var(--muted)}.login-wrap{display:grid;place-items:center;height:100vh}.login-box{display:flex;flex-direction:column;gap:10px;width:min(320px,90vw);padding:28px;border:1px solid var(--border);border-radius:12px;background:var(--panel)}.login-box h1{margin:0 0 8px;text-align:center}.login-box input{padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg)}.login-box button{padding:10px;border:none;border-radius:8px;background:var(--accent);color:#fff}.login-box button:disabled{opacity:.6}.login-error{color:var(--danger);font-size:13px;margin:0}.layout{display:flex;min-height:100vh}.main{flex:1;min-width:0;display:flex;flex-direction:column}.page{padding:16px 20px;flex:1}.topbar{display:flex;align-items:center;gap:8px;padding:10px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg);z-index:5}.search-form{flex:1;max-width:480px}.search-form input{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:8px;background:var(--panel)}.hamburger{display:none;background:none;border:none;font-size:20px;color:var(--fg)}.sidebar{width:230px;flex-shrink:0;padding:14px 10px;border-right:1px solid var(--border);background:var(--panel);display:flex;flex-direction:column;gap:18px}.side-group{display:flex;flex-direction:column;gap:2px}.side-title{font-size:12px;color:var(--muted);padding:0 10px 4px}.side-link{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:8px;text-decoration:none;color:var(--fg)}.side-link.active{background:var(--accent);color:#fff}.side-link.as-button{background:none;border:none;text-align:left;width:100%}.side-bottom{margin-top:auto}.dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.scrim{display:none}@media (max-width: 768px){.hamburger{display:block}.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:20;transform:translate(-100%);transition:transform .2s}.sidebar.open{transform:translate(0)}.scrim{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:15}}.tasks-page{display:flex;gap:20px}.tasks-main{flex:1;min-width:0;max-width:640px}.page-head{display:flex;align-items:center;justify-content:space-between;margin:4px 0 12px}.page-head h2{margin:0}.prio-filter{padding:5px 8px;border:1px solid var(--border);border-radius:8px;background:var(--panel);font-size:13px}.quick-add input{width:100%;padding:10px 12px;margin-bottom:12px;border:1px dashed var(--border);border-radius:8px;background:var(--panel)}.task-list{display:flex;flex-direction:column}.task-item{display:flex;align-items:flex-start;gap:10px;padding:9px 6px;border-bottom:1px solid var(--border);cursor:pointer}.task-item:hover{background:var(--panel)}.task-item input[type=checkbox]{margin-top:3px;width:16px;height:16px}.task-body{display:flex;flex-direction:column;gap:2px;min-width:0}.task-title.p1{border-left:3px solid var(--accent);padding-left:6px}.task-title.p2{border-left:3px solid var(--danger);padding-left:6px}.task-item.done .task-title{text-decoration:line-through;color:var(--muted)}.task-meta{display:flex;gap:6px;font-size:12px;color:var(--muted);flex-wrap:wrap}.task-meta .overdue{color:var(--danger)}.tag-chip{border:1px solid;border-radius:10px;padding:0 7px}.recur-mark{color:var(--accent)}.empty{color:var(--muted)}.task-detail{width:300px;flex-shrink:0;padding:14px;border:1px solid var(--border);border-radius:12px;background:var(--panel);display:flex;flex-direction:column;gap:12px;align-self:flex-start;position:sticky;top:60px}.detail-head{display:flex;justify-content:space-between}.detail-head button{background:none;border:none;color:var(--muted)}.detail-head .danger{color:var(--danger)}.detail-title{font-size:16px;font-weight:600;padding:8px;border:1px solid var(--border);border-radius:8px;background:var(--bg)}.detail-desc{padding:8px;border:1px solid var(--border);border-radius:8px;background:var(--bg);resize:vertical}.field{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.field input,.field select{padding:7px 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg)}.tag-select{display:flex;flex-wrap:wrap;gap:6px}.tag-chip.clickable{background:var(--bg);color:var(--fg)}.tag-chip.clickable.on{background:var(--accent);color:#fff;border-color:var(--accent)}.recur-editor{display:flex;flex-direction:column;gap:8px}.recur-editor select{padding:7px 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg)}.day-row{display:flex;gap:4px}.day-btn{flex:1;padding:5px 0;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--fg);font-size:12px}.day-btn.on{background:var(--accent);color:#fff;border-color:var(--accent)}.recur-inline{display:flex;align-items:center;gap:6px}.recur-inline input{width:64px}@media (max-width: 768px){.task-detail{position:fixed;inset:auto 0 0 0;width:auto;max-height:80vh;overflow-y:auto;border-radius:16px 16px 0 0;z-index:30;box-shadow:0 -4px 24px #00000040}}.notes-page{display:grid;grid-template-columns:150px 260px 1fr;gap:0;padding:0;height:calc(100vh - 53px)}.notes-filters{display:flex;flex-direction:column;gap:4px;padding:12px 8px;border-right:1px solid var(--border)}.notes-filters button{display:flex;align-items:center;gap:6px;text-align:left;padding:7px 10px;border:none;border-radius:8px;background:none;color:var(--fg)}.notes-filters button.on{background:var(--accent);color:#fff}.notes-list{border-right:1px solid var(--border);overflow-y:auto;padding:12px 8px}.new-note{width:100%;padding:8px;margin-bottom:8px;border:1px dashed var(--border);border-radius:8px;background:none;color:var(--muted)}.note-card{padding:10px;border-radius:8px;cursor:pointer}.note-card:hover{background:var(--panel)}.note-card.selected{background:var(--panel);outline:1px solid var(--accent)}.note-card-title{font-weight:600;margin-bottom:3px}.note-card-preview{font-size:12px;color:var(--muted);white-space:pre-line}.notes-editor-pane{overflow-y:auto;padding:16px}.note-editor{display:flex;flex-direction:column;gap:10px;height:100%}.note-toolbar{display:flex;gap:8px}.note-toolbar button{padding:6px 10px;border:1px solid var(--border);border-radius:8px;background:var(--panel);color:var(--fg);font-size:13px}.note-toolbar .danger{color:var(--danger);margin-left:auto}.note-title{font-size:18px;font-weight:700;padding:8px;border:none;background:none;outline:none}.note-content{flex:1;min-height:300px;padding:8px;border:none;background:none;outline:none;resize:none;line-height:1.6}.note-toolbar .primary{background:var(--accent);color:#fff;border-color:var(--accent)}.back-btn{display:none}@media (max-width: 768px){.notes-page{grid-template-columns:1fr;height:auto}.notes-filters{flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--border)}.notes-filters button{white-space:nowrap}.notes-list{border-right:none}.notes-page.has-selection .notes-filters,.notes-page.has-selection .notes-list{display:none}.notes-page:not(.has-selection) .notes-editor-pane{display:none}.back-btn{display:inline-block}}.linked-tasks{border-top:1px solid var(--border);padding-top:10px;display:flex;flex-direction:column;gap:4px}.linked-item{color:var(--accent);text-decoration:none;font-size:14px}.linked-note-row{display:flex;justify-content:space-between;align-items:center}.unlink{background:none;border:none;color:var(--muted);font-size:12px}.save-btn{padding:10px;border:none;border-radius:8px;background:var(--accent);color:#fff;font-weight:600}.section-title{margin:18px 0 6px;font-size:14px;color:var(--muted)}.settings-page{max-width:560px}.setting-row{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}.setting-row input{flex:1;min-width:120px;padding:7px 10px;border:1px solid var(--border);border-radius:8px;background:var(--panel)}.setting-row button:not(.swatch){padding:6px 10px;border:1px solid var(--border);border-radius:8px;background:var(--panel);color:var(--fg)}.setting-row button.danger{color:var(--danger)}.color-row{display:flex;gap:4px}.swatch{width:20px;height:20px;border-radius:50%;border:2px solid transparent;padding:0}.swatch.on{border-color:var(--fg)}.error-box{display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center}.error-box p{margin:0}.error-detail{font-size:13px;color:var(--muted)}.error-box button{margin-top:8px;padding:8px 20px;border:none;border-radius:8px;background:var(--accent);color:#fff}