:root{font-family:'Segoe UI','Noto Sans TC','Microsoft JhengHei',sans-serif;font-size:16px;--bg:#f7f8fb;--surface:#fff;--sidebar:#f0f3f9;--text:#29364b;--muted:#77849a;--border:#e3e8f1;--blue:#4869dc;--blue-soft:#edf1ff;--hover:#f7f9fd;--input:#f7f9fc;--shadow:0 15px 65px #23365326;color-scheme:light}
:root[data-theme=dark]{--bg:#111822;--surface:#192231;--sidebar:#141d2b;--text:#e1e8f4;--muted:#9aaac0;--border:#2c384a;--blue:#8ca6ff;--blue-soft:#263758;--hover:#202d40;--input:#151e2c;--shadow:0 15px 65px #0007;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;color:var(--text);background:var(--bg)}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation;transition:background .16s,border-color .16s}button{cursor:pointer;color:inherit;border:0;background:none}button:disabled{cursor:default;opacity:.5}a{color:inherit;text-decoration:none}input,select,textarea{color:var(--text);background:var(--input);border:1px solid var(--border);border-radius:7px;min-width:0}input,select{padding:9px 11px}textarea{padding:12px;resize:vertical;line-height:1.8}input::placeholder,textarea::placeholder{color:var(--muted)}:focus-visible{outline:3px solid #7c99ff88;outline-offset:3px}input:focus,textarea:focus,select:focus{border-color:var(--blue);outline:2px solid #7c99ff25}svg{flex-shrink:0}h1,h2,h3,p{margin:0}.app{display:flex;min-height:100dvh}.sidebar{position:fixed;inset:0 auto 0 0;width:236px;background:var(--sidebar);display:flex;flex-direction:column;padding:32px 20px 18px;border-right:1px solid var(--border);z-index:20}.brand{display:flex;gap:12px;align-items:center;padding:0 8px 32px;font-size:24px;font-weight:750;letter-spacing:.1em}.brand-mark{width:39px;height:39px;background:#4869dc;color:white;display:grid;place-items:center;border-radius:12px;box-shadow:0 5px 12px #4869dc26}.brand-en{display:block;font-size:10px;letter-spacing:.13em;color:var(--muted);margin-top:5px}.capture-button{display:flex;align-items:center;gap:9px;background:var(--surface);padding:13px 12px;border:1px solid var(--border);border-radius:9px;font-size:14px;font-weight:600;margin-bottom:26px}.capture-button>svg{color:var(--blue)}.capture-button>span{margin-left:auto;color:var(--muted);font-size:13px}.nav-item{display:flex;align-items:center;gap:12px;width:100%;border-radius:8px;text-align:left;padding:12px 13px;font-size:14px;margin:3px 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small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.online-dot{margin-left:auto;width:6px;height:6px;border-radius:50%;background:#54a889}.workspace{margin-left:236px;flex:1;min-width:0}.topbar{height:76px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 34px;background:var(--surface);gap:10px}.breadcrumb{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted)}.breadcrumb strong{color:var(--text);font-weight:500}.sync-indicator{display:flex;gap:7px;align-items:center;font-size:12px;color:var(--muted);padding:8px}.sync-indicator svg{color:#65a58d}.warning{color:#b68434}.workspace-body{display:flex;min-height:calc(100dvh - 76px)}.task-pane{flex:1;padding:37px 36px 24px;min-width:350px}.page-heading{display:flex;justify-content:space-between;align-items:center}.eyebrow{font-size:12px;color:var(--muted);letter-spacing:.04em;margin-bottom:11px}h1{font-size:31px;font-weight:750;display:flex;align-items:center;gap:13px}h1>span{font-size:13px;padding:3px 9px;background:var(--surface);border:1px solid var(--border);border-radius:20px;color:var(--muted);font-weight:500}.view-description{font-size:13px;color:var(--muted);margin-top:13px;line-height:1.9}.icon-button{width:32px;min-width:32px;height:32px;padding:0;display:inline-flex;justify-content:center;align-items:center;border-radius:6px;color:var(--muted)}.icon-button:hover{background:var(--blue-soft);color:var(--blue)}.quick-add{display:flex;align-items:center;gap:11px;border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:9px 12px;margin-top:27px;box-shadow:0 3px 7px #27395503}.quick-add>svg{color:var(--blue)}.quick-add:focus-within{border-color:var(--blue)}.quick-add input{flex:1;border:0;background:transparent;font-size:16px;padding:9px 0;outline:none}.quick-add button{display:flex;align-items:center;gap:5px;background:var(--blue-soft);border-radius:6px;font-size:12px;color:var(--blue);padding:8px}.list-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:31px 0 20px}.list-toolbar>span{font-size:13px;color:var(--muted);white-space:nowrap}.search{display:flex;gap:6px;align-items:center;color:var(--muted);max-width:230px}.search input{border:0;padding:6px 0;font-size:12px;width:100%;background:transparent;outline:none}.search button{display:flex}.task-group{margin-bottom:25px}.task-group h2{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:12px}.task-group h2>span+span{font-weight:400}.task-group h2 i{height:1px;background:var(--border);flex:1;margin-left:4px}.overdue{color:#c96459!important}.task-row{background:var(--surface);border:1px solid var(--border);border-radius:9px;display:flex;align-items:flex-start;padding:17px 15px;margin-bottom:9px;gap:13px}.task-row:hover{border-color:#b8c5e4}.task-row.selected{background:var(--blue-soft);border-color:#92a8ed}.complete-check{border:1.5px solid #bac5d8;width:20px;min-width:20px;height:20px;border-radius:6px;margin-top:3px;display:flex;justify-content:center;align-items:center;padding:0;color:white}.complete-check:hover{border-color:var(--blue)}.completed .complete-check{background:var(--blue);border-color:var(--blue)}.task-open{text-align:left;padding:0;flex:1;min-width:0}.task-title{font-size:15px;line-height:1.7;font-weight:550;overflow-wrap:anywhere;display:flex;align-items:center;gap:8px}.task-title svg{margin-left:auto}.completed 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0;white-space:nowrap}.detail-placeholder{display:flex;align-items:center;justify-content:center;padding:30px;min-height:650px}.placeholder-card{text-align:center;color:var(--muted);margin-top:-100px}.placeholder-lines{margin:0 auto 24px;display:grid;place-items:center;background:var(--blue-soft);border:1px solid var(--border);width:65px;height:77px;border-radius:12px;color:#92a7d5;transform:rotate(-6deg)}.placeholder-card h2{font-size:16px;font-weight:550;color:var(--text);margin-bottom:12px}.placeholder-card p{font-size:13px;line-height:2}.placeholder-card>div:last-child{border-top:1px solid var(--border);display:flex;align-items:center;justify-content:center;gap:7px;font-size:12px;padding-top:22px;margin-top:26px}.empty-state{padding:50px 15px;text-align:center;line-height:1.8}.empty-icon{display:grid;place-items:center;color:#849bd0;background:var(--blue-soft);width:70px;height:70px;border-radius:22px;margin:0 auto 20px}.empty-state h2{font-size:17px;font-weight:550;margin-bottom:10px}.empty-state p{font-size:14px;color:var(--muted);max-width:300px;margin:0 auto 13px}.notice{margin:19px 0 0;border:1px solid var(--border);border-radius:7px;background:var(--surface);display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--muted);padding:11px;line-height:1.9}.notice svg{margin-top:2px}.notice.error{color:#b87a48;background:#b87a480a;border-color:#b87a4830}.notice .text-button{padding:0;margin-left:auto}.conflict{border:1px solid #dba573;padding:15px;border-radius:8px;margin-top:14px;font-size:14px}.conflict p{margin:9px 0;font-size:12px;color:var(--muted)}.conflict>div{display:flex;gap:8px}.modal-backdrop{position:fixed;inset:0;background:#16213566;z-index:60;display:flex;align-items:center;justify-content:center;padding:24px;backdrop-filter:blur(3px)}.settings-modal{width:520px;max-width:100%;max-height:90dvh;border-radius:16px;background:var(--surface);box-shadow:var(--shadow);display:flex;flex-direction:column}.settings-modal>header{padding:25px 28px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.settings-modal header small{font-size:12px;color:var(--muted)}.settings-modal header h2{font-size:22px;margin-top:5px}.settings-body{overflow:auto;padding:5px 28px 24px}.settings-body section{padding:24px 0;border-bottom:1px solid var(--border)}.settings-body section:last-child{border-bottom:0}.settings-body p{font-size:14px;color:var(--muted);line-height:1.9;margin:0 0 13px}.settings-body h3 svg{color:var(--blue)}.settings-actions{display:flex;gap:9px;flex-wrap:wrap}.category-edit{display:flex;align-items:center;gap:9px;margin-bottom:8px}.category-edit input[type=color]{padding:2px;width:31px;height:31px;cursor:pointer}.category-edit input:not([type=color]){flex:1;font-size:14px;padding:8px 11px}.new-category{display:flex;gap:9px;margin:13px 0}.new-category input{font-size:14px;flex:1}.theme-options{display:flex;gap:10px}.theme-options button{display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:7px;padding:10px 19px;font-size:14px}.theme-options .selected{border-color:var(--blue);color:var(--blue);background:var(--blue-soft)}.settings-modal>footer{border-top:1px solid var(--border);padding:16px;text-align:center;font-size:12px;color:var(--muted)}.file-label{cursor:pointer}.disabled{opacity:.5;pointer-events:none}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#273751;color:white;border-radius:10px;box-shadow:var(--shadow);padding:14px 20px;font-size:14px;z-index:100;display:flex;align-items:center;gap:9px;max-width:calc(100% - 30px);line-height:1.7}.toast svg{color:#9eb3ff}.mobile-nav,.mobile-menu,.scrim{display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.spin{animation:spin 1.3s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
@media(min-width:1600px){.task-pane{padding:45px 64px}.detail-panel,.detail-placeholder{width:470px}.detail-scroll{padding:32px}}
@media(max-width:1200px){.sidebar{width:210px;padding-left:14px;padding-right:14px}.workspace{margin-left:210px}.task-pane{padding:30px 24px;min-width:320px}.detail-panel,.detail-placeholder{width:370px}.detail-scroll{padding:24px 20px}.detail-title{font-size:21px}.topbar{padding:0 24px}}
@media(max-width:1000px){.detail-placeholder{display:none}.detail-panel{position:fixed;right:0;top:76px;bottom:0;width:420px;box-shadow:-20px 0 60px #172d5020;z-index:25}.task-pane{max-width:850px}.detail-top .back-button svg{display:block}}
@media(max-width:700px){.sidebar{transform:translateX(-100%);transition:transform .2s;width:260px;padding-top:28px;z-index:50}.sidebar.open{transform:translateX(0)}.scrim{display:block;position:fixed;inset:0;background:#15264166;z-index:49}.workspace{margin-left:0;width:100%}.topbar{height:60px;padding:0 18px}.breadcrumb{gap:7px}.breadcrumb>span,.breadcrumb>svg{display:none}.mobile-menu{display:inline-flex;margin-left:-6px}.sync-indicator{font-size:11px;gap:5px;padding:6px 0}.workspace-body{min-height:calc(100dvh - 60px)}.task-pane{min-width:0;width:100%;padding:29px 20px 115px}.eyebrow{font-size:12px;margin-bottom:8px}h1{font-size:29px}.view-description{font-size:12px;max-width:290px}.quick-add{margin-top:24px;padding:8px 11px}.quick-add input{font-size:16px}.quick-add button>span{display:none}.list-toolbar{margin:27px 0 20px}.list-toolbar>span{font-size:12px}.search{max-width:190px}.task-row{padding:15px 12px;gap:11px}.task-meta{font-size:11px;gap:10px}.complete-check{min-width:21px;width:21px;height:21px;position:relative}.complete-check:before{content:'';position:absolute;inset:-10px}.task-open{padding-left:3px}.detail-panel{position:fixed;inset:0;z-index:45;width:100%;height:100dvh;box-shadow:none;border:0}.detail-top{padding:15px 19px;min-height:62px}.detail-top .back-button{font-size:14px}.detail-scroll{padding:26px 23px 30px}.detail-title{font-size:25px;min-height:80px}.properties{gap:15px}.properties>label>span{width:94px}.detail-section{margin-top:26px;padding-top:24px}.note-input{font-size:16px;min-height:130px}.checklist-row>input:not([type=checkbox]){font-size:16px;padding:11px 0}.checklist-row>.icon-button{min-width:38px}.add-check input{font-size:16px}.add-check button{padding:10px;font-size:14px}.detail-footer{padding:16px 22px max(16px,env(safe-area-inset-bottom));gap:12px}.detail-footer button{flex:1;min-height:45px}.upload-zone{min-height:130px}.attachment .icon-button{min-width:32px;width:32px;height:42px}.file-info strong{font-size:13px}.reminder-chips>span{padding:9px 12px}.reminder-chips button{padding:3px}.reminder-add input,.reminder-add select{font-size:16px}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);align-items:center;justify-content:space-around;padding:9px 8px max(9px,env(safe-area-inset-bottom));z-index:30;height:calc(70px + env(safe-area-inset-bottom))}.mobile-nav button{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10px;color:var(--muted);min-width:54px;padding:4px}.mobile-nav button.active{color:var(--blue)}.mobile-nav .mobile-add{width:45px;height:45px;min-width:45px;border-radius:14px;background:#4869dc;color:white;display:grid;place-items:center;margin:0 4px;box-shadow:0 5px 14px #4869dc30}.modal-backdrop{padding:14px;z-index:70}.settings-modal{max-height:94dvh;border-radius:14px}.settings-modal>header{padding:21px}.settings-body{padding:0 21px 18px}.settings-body input{font-size:16px!important}.toast{bottom:calc(88px + env(safe-area-inset-bottom));font-size:13px;width:max-content}.empty-state{padding:38px 8px}.list-footnote{line-height:1.8}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}