:root{color-scheme:dark;--bg:#101010;--panel:#191817;--line:#ffffff1a;--text:#efede7;--muted:#a49f96;--orange:#ff682c}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.5}button,input,textarea{font:inherit}button,.file-button{cursor:pointer;border:1px solid #514a42;border-radius:6px;background:#24211e;color:var(--text);padding:9px 13px;min-height:44px}button:hover,.file-button:hover{border-color:var(--orange)}button:disabled{cursor:default;opacity:.45}button.primary{background:var(--orange);border-color:var(--orange);color:#18110c;font-weight:700}a{color:inherit;text-decoration:none}a:hover{color:var(--orange)}input,textarea{background:#141312;border:1px solid #514a42;border-radius:6px;color:var(--text);padding:11px 13px;min-width:0;width:100%;font-size:16px}input:focus,textarea:focus{border-color:var(--orange)}:focus-visible{outline:2px solid var(--orange);outline-offset:3px}[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.topbar,main,footer{width:min(850px,calc(100% - 40px));margin:auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;border-bottom:1px solid var(--line);font-size:14px}.topbar>span{font-size:10px;letter-spacing:1.5px;color:var(--muted)}main{padding:32px 0 48px}.heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:26px}h1{margin:0;font-size:48px;letter-spacing:-2px;line-height:1.1}h1 span{color:var(--orange)}#save-status{font-size:12px;color:var(--muted);text-align:right}h2{margin:0;font-size:23px;letter-spacing:-.5px}h3{font-size:18px}.category-bar{display:flex;align-items:center;gap:12px;margin-bottom:22px}#tabs{display:flex;gap:5px;overflow:auto;flex:1;padding:3px 2px 6px}#tabs button{white-space:nowrap;border-color:transparent;background:transparent;color:var(--muted)}#tabs button[aria-selected=true]{background:#ff682c17;color:var(--orange);border-color:#ff682c70}#new-category{background:none;font-size:13px;white-space:nowrap}#category-panel{outline-offset:6px}.list-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}#list-count{margin:4px 0 0;font-size:12px;color:var(--muted)}.list-actions{display:flex;gap:8px}#rename-category{background:none;border-color:transparent;color:var(--muted);font-size:13px}.add-form{display:flex;gap:8px}.add-form input{flex:1}.add-form button{white-space:nowrap}.input-hint{font-size:12px;color:var(--muted);margin:9px 0 22px}
.empty{border:1px dashed #514a42;padding:38px 20px;text-align:center;border-radius:8px;color:var(--muted)}.empty strong{display:block;color:var(--text);font-size:18px;font-weight:400;margin-bottom:6px}.empty p{margin:0;font-size:14px}.task-card{border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:12px 14px;margin-bottom:12px}.task-row{display:flex;align-items:center;gap:10px;min-height:44px}.task-row input[type=checkbox]{width:20px;height:20px;flex:none;margin:0;accent-color:var(--orange);cursor:pointer}.task-title{flex:1;overflow-wrap:anywhere;cursor:pointer}.task-title.complete{text-decoration:line-through;color:var(--muted)}.task-tools{display:flex;gap:2px}.task-tools button{padding:5px 9px;min-width:36px;min-height:40px;background:none;border-color:transparent;color:var(--muted);font-size:14px}.task-tools button:hover{color:var(--orange)}.subtasks{margin:8px 0 0 29px;padding-top:6px;border-top:1px solid var(--line)}.subtasks .task-row{font-size:14px}.subtask-form{display:flex;gap:7px;margin:10px 0 4px 29px}.subtask-form input{padding:8px 10px}.subtask-form button{padding:6px 10px}.subtask-counter{font-size:11px;color:var(--muted);margin-left:29px}.capacity{margin-top:26px;color:var(--muted);font-size:12px}.capacity>div{display:flex;justify-content:space-between;gap:10px}.capacity meter{width:100%;height:7px;margin-top:7px;background:#292622;border:0;border-radius:5px}.capacity meter::-webkit-meter-bar{background:#292622;border:0}.capacity meter::-webkit-meter-optimum-value{background:var(--orange)}.capacity meter::-webkit-meter-suboptimum-value,.capacity meter::-webkit-meter-even-less-good-value{background:#ffb14a}.capacity meter::-moz-meter-bar{background:var(--orange)}#message,.error{color:#ffb38d;background:#ff682c12;border-left:2px solid var(--orange);padding:10px 12px;font-size:14px;overflow-wrap:anywhere}.help{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:var(--muted);font-size:13px}.help p{max-width:76ch}summary{cursor:pointer;min-height:32px;padding:4px 0}.backup-actions{display:flex;gap:10px;margin-top:18px}.backup-actions button{font-size:12px;background:none;color:var(--muted);border-color:var(--line)}footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:20px 0 30px;font-size:11px;color:var(--muted);letter-spacing:1px}
dialog{color:var(--text);background:#1b1917;border:1px solid #514a42;border-radius:10px;padding:25px;width:min(540px,calc(100% - 28px));max-height:90dvh;overflow:auto}dialog::backdrop{background:#000b;backdrop-filter:blur(3px)}dialog p{font-size:14px;color:var(--muted)}dialog label{display:block;font-size:14px;margin:18px 0 7px}dialog textarea{margin:8px 0}.dialog-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:24px}.danger{color:#ffb38d}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.dialog-heading button{background:none;border-color:transparent;font-size:26px;padding:0 12px}.sync-tabs{display:flex;gap:8px;margin:18px 0}.sync-tabs button{flex:1}.sync-tabs button[aria-pressed=true]{border-color:var(--orange);color:var(--orange)}#qr-container{background:#fff;padding:12px;border-radius:4px;margin:16px auto;max-width:420px}#qr-container svg{display:block;width:100%;height:auto}.qr-note{font-size:12px!important}#camera{display:block;width:100%;max-height:340px;object-fit:cover;background:#000;border-radius:5px;margin:12px 0}.scan-alternatives{margin-top:18px;display:grid;gap:12px}.file-button{text-align:center;margin:0}#merge-tasks{padding-left:20px;max-height:240px;overflow:auto;font-size:14px}#merge-tasks li{overflow-wrap:anywhere;margin:5px 0}#merge-preview{border-top:1px solid var(--line);margin-top:18px}
@media(max-width:520px){.topbar>span{display:none}main{padding-top:24px}.heading{margin-bottom:20px}h1{font-size:40px}#save-status{max-width:135px}.category-bar{gap:5px}#new-category{font-size:12px;padding:7px 9px}.list-toolbar{gap:8px}h2{font-size:21px}.list-actions{gap:2px}.list-actions button{font-size:12px;padding:7px 9px}#rename-category{padding:7px 3px}.task-card{padding:9px 10px}.task-row{gap:7px}.subtasks,.subtask-form,.subtask-counter{margin-left:26px}.subtask-form{gap:5px}.subtask-form button{font-size:13px;padding:6px 8px}dialog{padding:18px}.input-hint{font-size:11px}.add-form button{font-size:13px;padding:9px 11px}footer{font-size:10px;letter-spacing:.5px}}
.subtask-form input{flex:1;width:0}.subtask-form button{white-space:nowrap;flex:none}

/* Compact tree rows retain 44px touch targets, with actions tucked into a menu. */
#tasks{border-top:1px solid var(--line);margin-bottom:16px}
.task-card{border:0;border-bottom:1px solid var(--line);border-radius:0;background:none;padding:0;margin:0}
.task-row{position:relative;gap:0;min-height:44px}
.task-check{display:grid;place-items:center;flex:none;width:44px;height:44px;cursor:pointer}
.task-title{display:flex;align-items:center;min-width:0;min-height:44px;padding:5px 8px 5px 0;line-height:1.35}
.task-tools{gap:0;flex:none;align-self:flex-start}
.task-tools>button{width:44px;height:44px;padding:0;font-size:20px}
.task-tools button{min-height:44px;min-width:44px}
.task-menu{position:relative}
.task-menu summary{display:grid;place-items:center;list-style:none;width:44px;height:44px;padding:0;color:var(--muted);font-size:24px;border-radius:5px}
.task-menu summary::-webkit-details-marker{display:none}
.task-menu summary:hover,.task-menu[open] summary{background:#ffffff08;color:var(--orange)}
.task-menu-actions{position:absolute;right:0;top:44px;z-index:10;width:140px;background:#24211e;border:1px solid #514a42;border-radius:6px;padding:4px;box-shadow:0 8px 24px #0008}
.task-menu-actions button{display:block;width:100%;padding:8px 12px;text-align:left;font-size:14px}
.subtasks{margin:0 0 5px 22px;padding:0;border:0}
.subtasks .task-row{margin-left:18px;font-size:15px}
.subtasks .task-row::before{content:"";position:absolute;left:-18px;top:0;bottom:0;border-left:1px solid #514a42;pointer-events:none}
.subtasks .task-row::after{content:"";position:absolute;left:-18px;top:22px;width:16px;border-top:1px solid #514a42;pointer-events:none}
.subtasks .task-row:last-child::before{bottom:auto;height:22px}
.subtask-form{margin:2px 0 8px 40px;gap:6px}
.subtask-form input{min-height:44px}
.subtask-form button{min-width:44px;min-height:44px;padding:6px 10px}
.add-form{margin-top:16px}
.input-hint{margin-bottom:14px}
.empty{margin-top:12px;padding:24px 16px}
.task-card[data-color]{border-radius:6px;margin:4px 0}
.task-card[data-color] .subtasks .task-row::before,.task-card[data-color] .subtasks .task-row::after{border-color:#ffffff40}
.task-menu-actions{width:174px}
.color-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0 4px}
.color-options button{min-height:52px;color:var(--text);border-color:#ffffff40;text-align:left}
.color-options button[aria-pressed=true]{outline:2px solid var(--orange);outline-offset:2px}
.color-options button[aria-pressed=true]::after{content:" ✓"}
.qr-actions{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
@media(max-width:520px){.list-toolbar{flex-wrap:wrap}.list-actions{margin-left:auto;flex-wrap:wrap}}
#new-category{display:grid;place-items:center;width:44px;height:44px;padding:0;font-size:26px;flex:none}
.category-bar{margin-bottom:0}
.section-hint{margin:2px 0 18px;font-size:11px;color:var(--muted);text-align:right}
.analytics-settings summary{display:flex;align-items:center;justify-content:space-between;min-height:44px}
.analytics-settings summary::before{content:"▸";margin-right:8px}
.analytics-settings[open] summary::before{content:"▾"}
#analytics-state{margin-left:auto;color:var(--text);font-size:11px;border:1px solid var(--line);border-radius:4px;padding:1px 8px}
.analytics-settings a{text-decoration:underline;text-underline-offset:3px}
.analytics-actions{display:flex;gap:10px;flex-wrap:wrap}
.analytics-actions button{font-size:13px}
.task-tools>.task-fold{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;line-height:1}
.fold-arrow{font-size:16px}
.fold-count{font-size:10px;line-height:1.3;margin-top:2px}
.task-check:has(input:disabled){cursor:default}
.task-check input:disabled{opacity:.55}
.topbar{padding:12px 0}
.help-button{background:none;border-color:var(--line);font-size:13px}
.heading-name{display:flex;align-items:baseline;gap:10px;flex:none}
.version-badge{font-size:11px;letter-spacing:.5px;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:2px 6px;white-space:nowrap}
.quick-help>summary{min-height:44px;padding:10px 0;color:var(--text)}
.quick-guide{margin:10px 0 18px}
.quick-guide dt{font-size:14px;color:var(--text);font-weight:700;margin-top:15px}
.quick-guide dd{margin:4px 0 0;max-width:76ch;font-size:13px;line-height:1.6}