:root{
  /* soft, low-saturation, easy on the eyes */
  --bg:#f6f7f9;
  --bg-2:#fcfcfd;
  --bg-3:#f0f2f5;
  --line:#e7e9ee;
  --line-2:#d8dce3;
  --fg:#1f2430;
  --fg-2:#5a6473;
  --fg-3:#97a0ad;

  --accent:#6366f1;
  --accent-2:#5457dc;
  --accent-soft:#eef0fb;
  --ok:#22a06b;
  --warn:#c98a2b;
  --bad:#c84a4a;

  --todo:#8a93a3;
  --prog:#5b8ed4;
  --done:#22a06b;

  --r:12px;
  --r-sm:8px;
  --r-lg:16px;
  --shadow-sm:0 1px 2px rgba(31,36,48,.03), 0 1px 3px rgba(31,36,48,.04);
  --shadow:0 4px 12px rgba(31,36,48,.04), 0 1px 2px rgba(31,36,48,.03);
  --shadow-lg:0 12px 32px rgba(31,36,48,.07), 0 2px 6px rgba(31,36,48,.04);

  font:14px/1.5 -apple-system,BlinkMacSystemFont,'Segoe UI',Inter,Roboto,system-ui,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--fg)}
body{display:grid;grid-template-columns:248px 1fr;height:100vh;overflow:hidden;-webkit-font-smoothing:antialiased}

/* ──────── sidebar ──────── */
.sidebar{background:var(--bg-2);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:18px 14px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;padding:4px 6px}
.logo{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--accent),#818cf8);display:grid;place-items:center;font-weight:600;color:#fff;font-size:16px;box-shadow:0 2px 8px rgba(99,102,241,.18)}
.brand-text{font-weight:600;letter-spacing:-.2px;font-size:15px;color:var(--fg)}

.ws-section .ws-head{display:flex;align-items:center;justify-content:space-between;color:var(--fg-3);font-size:11px;text-transform:uppercase;letter-spacing:.8px;padding:0 6px 8px;font-weight:600}
.icon-btn{background:transparent;border:0;color:var(--fg-2);cursor:pointer;font-size:16px;line-height:1;padding:6px 8px;border-radius:6px;transition:background .12s,color .12s}
.icon-btn:hover{background:var(--bg-3);color:var(--fg)}
.icon-btn.close{font-size:14px}

.ws-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.ws-list li{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:7px;cursor:pointer;color:var(--fg-2);font-weight:500;transition:background .12s,color .12s}
.ws-list li:hover{background:var(--bg-3);color:var(--fg)}
.ws-list li.active{background:var(--accent-soft);color:var(--accent-2)}
.ws-swatch{width:10px;height:10px;border-radius:3px;flex:none;box-shadow:0 0 0 1px rgba(0,0,0,.04);opacity:.85}

.nav{margin-top:auto;display:flex;flex-direction:column;gap:2px}
.nav-item{padding:9px 10px;border-radius:7px;color:var(--fg-2);cursor:pointer;text-decoration:none;display:flex;align-items:center;gap:10px;font-weight:500;transition:background .12s,color .12s}
.nav-item:hover{background:var(--bg-3);color:var(--fg)}
.nav-item.active{background:var(--bg-3);color:var(--fg);box-shadow:inset 2px 0 0 var(--accent)}
.nav-ico{width:18px;text-align:center;color:var(--fg-3);font-size:14px;opacity:.8}
.nav-item.active .nav-ico{color:var(--accent)}

.me{display:flex;align-items:center;gap:10px;padding:10px;border-top:1px solid var(--line);margin-top:6px}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#d8b87a,#c89c5a);color:#fff;display:grid;place-items:center;font-weight:600;box-shadow:0 1px 4px rgba(200,156,90,.18)}
.me-name{font-weight:600;font-size:13px}
.me-sub{color:var(--fg-3);font-size:11px}

/* ──────── main ──────── */
.main{display:flex;flex-direction:column;min-width:0;background:var(--bg)}
.topbar{display:grid;grid-template-columns:1fr 380px auto;gap:16px;align-items:center;padding:14px 24px;background:var(--bg-2);border-bottom:1px solid var(--line)}
.crumb{font-size:14px;color:var(--fg-2);display:flex;align-items:center;gap:8px}
.crumb-ws{color:var(--fg);font-weight:600}
.crumb-sep{color:var(--fg-3)}
.crumb-page{color:var(--fg-2);font-weight:500}

.search{position:relative;width:100%}
.search-ico{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--fg-3);font-size:15px;pointer-events:none;opacity:.7;transition:opacity .12s,color .12s}
.search:focus-within .search-ico{color:var(--accent-2);opacity:1}
.search input{width:100%;background:var(--bg-3);border:1px solid transparent;color:var(--fg);padding:9px 36px 9px 36px;border-radius:8px;outline:none;transition:border-color .12s,background .12s,box-shadow .12s}
.search input:focus{background:var(--bg-2);border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,.10)}
.search input::placeholder{color:var(--fg-3)}
.search-clear{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:var(--bg-3);border:0;width:18px;height:18px;border-radius:50%;color:var(--fg-2);font-size:11px;cursor:pointer;display:none;align-items:center;justify-content:center;line-height:1;transition:background .12s,color .12s}
.search-clear:hover{background:var(--line);color:var(--fg)}
.search-clear.show{display:flex}
.search-kbd{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:var(--bg-2);border:1px solid var(--line);color:var(--fg-3);font-size:10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;padding:2px 6px;border-radius:4px;pointer-events:none;font-weight:600;letter-spacing:.3px}
.search:focus-within .search-kbd,.search.has-val .search-kbd{display:none}
.search-count{position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--accent-2);font-size:11px;font-weight:600;pointer-events:none;background:var(--accent-soft);padding:1px 7px;border-radius:99px}
.search:focus-within .search-count{display:none}

.btn{background:var(--bg-2);border:1px solid var(--line);color:var(--fg);padding:9px 14px;border-radius:8px;cursor:pointer;font-weight:500;display:inline-flex;align-items:center;gap:6px;transition:background .12s,border-color .12s,transform .04s;box-shadow:var(--shadow-sm)}
.btn:hover{background:var(--bg-3);border-color:var(--line-2)}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(99,102,241,.15),0 2px 8px rgba(99,102,241,.15)}
.btn.primary:hover{background:var(--accent-2);border-color:var(--accent-2)}
.btn.ghost{background:transparent;border-color:transparent;box-shadow:none}
.btn.ghost:hover{background:var(--bg-3)}
.btn.danger{background:transparent;border-color:var(--bad);color:var(--bad);box-shadow:none}
.btn.danger:hover{background:var(--bad);color:#fff}
.btn.small{padding:6px 12px;font-size:12.5px}
.btn.full{width:100%;justify-content:center}

.view{flex:1;min-height:0;overflow:auto}

/* ──────── board ──────── */
.board{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:22px;height:100%;align-items:start}
.col{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;min-height:0;max-height:calc(100vh - 130px);box-shadow:var(--shadow-sm)}
.col header{padding:14px 16px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line);color:var(--fg-2);font-weight:600;flex-shrink:0}
.col-title{flex:1;font-size:13px}
.col header em{font-style:normal;background:var(--bg-3);color:var(--fg-2);padding:2px 8px;border-radius:99px;font-size:11px;font-weight:600;min-width:22px;text-align:center}
.col-add{background:transparent;border:0;color:var(--fg-3);cursor:pointer;font-size:18px;width:24px;height:24px;border-radius:5px;line-height:1;padding:0;opacity:.6;transition:opacity .12s,background .12s}
.col-add:hover{background:var(--bg-3);color:var(--fg);opacity:1}
.dot{width:8px;height:8px;border-radius:50%;flex:none;opacity:.75}
.dot-todo{background:var(--todo)}
.dot-prog{background:var(--prog)}
.dot-done{background:var(--done)}

.col-body{padding:10px;display:flex;flex-direction:column;gap:8px;overflow:auto;flex:1;min-height:60px}
.col-body.dragover{background:var(--accent-soft);outline:2px dashed var(--accent);outline-offset:-6px;border-radius:var(--r-sm);opacity:.7}

.task{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;cursor:grab;display:flex;flex-direction:column;gap:8px;transition:box-shadow .12s,border-color .12s,transform .04s;box-shadow:var(--shadow-sm)}
.task:hover{border-color:var(--line-2);box-shadow:var(--shadow)}
.task:active{cursor:grabbing}
.task.dragging{opacity:.4;border-style:dashed}
.task-title{font-weight:600;line-height:1.4;color:var(--fg);font-size:13.5px}
.task-desc{color:var(--fg-2);font-size:12.5px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.task-meta{display:flex;align-items:center;gap:6px;flex-wrap:wrap;color:var(--fg-3);font-size:11.5px}
.pri{padding:2px 7px;border-radius:4px;font-weight:600;font-size:10px;text-transform:uppercase;letter-spacing:.4px;display:inline-flex;align-items:center;gap:4px;opacity:.85}
.pri::before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.7}
.pri-low{background:#eef0f3;color:#6b7280}
.pri-medium{background:#f5ecd9;color:#a37727}
.pri-high{background:#f3dada;color:#a84646}
.deadline{display:inline-flex;align-items:center;gap:3px}
.deadline.overdue{color:var(--bad);font-weight:500;opacity:.95}
.deadline.soon{color:var(--warn);font-weight:500;opacity:.95}
.progress{height:5px;background:var(--bg-3);border-radius:99px;overflow:hidden;flex:1;min-width:60px}
.progress-wrap{display:flex;align-items:center;gap:8px}
.progress span{display:block;height:100%;background:var(--accent);border-radius:99px;transition:width .2s;opacity:.75}
.progress-num{color:var(--fg-3);font-size:11px;font-weight:600;min-width:30px;text-align:right;opacity:.85}

/* ──────── drive ──────── */
.drive{display:grid;grid-template-columns:240px 1fr;height:100%}
.drive-tree{border-right:1px solid var(--line);padding:18px 14px;overflow:auto;background:var(--bg-2)}
.drive-tree-head{color:var(--fg-3);font-size:11px;text-transform:uppercase;letter-spacing:.8px;margin-bottom:10px;font-weight:600}
.tree{list-style:none;margin:0 0 12px;padding:0;display:flex;flex-direction:column;gap:1px}
.tree ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:1px}
.tree-row{display:flex;align-items:center;gap:4px;padding:6px 6px;border-radius:5px;cursor:pointer;color:var(--fg-2);font-size:12.5px;transition:background .1s,color .1s;user-select:none}
.tree-row:hover{background:var(--bg-3);color:var(--fg)}
.tree-row.active{background:var(--accent-soft);color:var(--accent-2)}
.tree-caret{background:transparent;border:0;cursor:pointer;width:14px;height:14px;display:grid;place-items:center;font-size:9px;color:var(--fg-3);padding:0;transition:transform .12s,color .12s}
.tree-caret:hover{color:var(--fg)}
.tree-caret.empty{opacity:.3;cursor:default}
.tree-caret.open{transform:rotate(90deg);color:var(--accent-2)}
.tree-ico{font-size:13px;width:18px;text-align:center;flex:none}
.tree-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}
.tree-count{font-size:10.5px;color:var(--fg-3);background:var(--bg-3);padding:0 6px;border-radius:99px;font-weight:600;min-width:18px;text-align:center}
.tree-row.active .tree-count{background:var(--bg-2)}

.drive-main{display:flex;flex-direction:column;min-width:0}
.drive-toolbar{display:grid;grid-template-columns:1fr 300px auto;gap:14px;padding:16px 24px;border-bottom:1px solid var(--line);align-items:center;background:var(--bg-2)}
.drive-crumb{font-weight:600;font-size:14px;display:flex;align-items:center;gap:6px;flex-wrap:wrap;min-width:0;overflow:hidden}
.drive-crumb .crumb-item{cursor:pointer;padding:2px 4px;border-radius:4px;transition:background .1s}
.drive-crumb .crumb-item:hover{background:var(--bg-3)}
.drive-crumb .crumb-sep{color:var(--fg-3);font-size:12px}
.drive-search{position:relative}
.drive-grid{flex:1;overflow:auto;padding:22px;display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;align-content:start}
.drive-empty{grid-column:1/-1;color:var(--fg-3);text-align:center;padding:80px 20px;border:2px dashed var(--line);border-radius:var(--r);background:var(--bg-2)}
.file{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:6px;cursor:pointer;position:relative;min-height:130px;transition:border-color .12s,box-shadow .12s,transform .08s;box-shadow:var(--shadow-sm)}
.file:hover{border-color:var(--line-2);box-shadow:var(--shadow)}
.file-ico-wrap{width:40px;height:40px;border-radius:9px;display:grid;place-items:center;font-size:20px;background:var(--bg-3);color:var(--fg-2);margin-bottom:6px;opacity:.85}
.file.f-doc .file-ico-wrap{background:#e3eaf3;color:#5b7796}
.file.f-sheet .file-ico-wrap{background:#dfece2;color:#5e8970}
.file.f-slide .file-ico-wrap{background:#f1e7d4;color:#9c7d4a}
.file.f-pdf .file-ico-wrap{background:#efdada;color:#a36a6a}
.file.f-image .file-ico-wrap{background:#e5dfef;color:#7a6b9a}
.file.f-folder .file-ico-wrap{background:#dee1ed;color:#65739c}

/* preview modal */
.file-preview{position:fixed;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(4px);z-index:80;display:grid;place-items:center;padding:18px;animation:chatSlideIn .14s ease-out}
.file-preview[hidden]{display:none}
.fp-modal{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);width:min(960px,100%);max-height:90vh;display:flex;flex-direction:column;overflow:hidden}
.fp-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--bg-2);flex-shrink:0}
.fp-head-l{display:flex;align-items:center;gap:10px;min-width:0;flex:1}
.fp-ico{width:32px;height:32px;border-radius:8px;background:var(--bg-3);display:grid;place-items:center;font-size:16px;flex:none}
.fp-title{font-weight:600;font-size:14px;letter-spacing:-.1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fp-type{color:var(--fg-3);font-size:11.5px}
.fp-head-r{display:flex;gap:6px;align-items:center;flex-shrink:0}
.fp-body{flex:1;background:var(--bg-2);overflow:auto;padding:28px 36px;min-height:300px;max-height:calc(90vh - 70px)}
.fp-image{display:flex;justify-content:center;align-items:center;background:var(--bg-3);border-radius:8px;padding:20px;min-height:300px}
.fp-image img{max-width:100%;max-height:70vh;border-radius:6px;box-shadow:var(--shadow)}
.fp-doc{max-width:780px;margin:0 auto;color:var(--fg);font-size:14px;line-height:1.65}
.fp-doc h1{font-size:24px;letter-spacing:-.4px;margin:0 0 14px;font-weight:700;border-bottom:1px solid var(--line);padding-bottom:10px}
.fp-doc h2{font-size:18px;letter-spacing:-.2px;margin:24px 0 10px;font-weight:700;color:var(--fg)}
.fp-doc h3{font-size:15px;margin:18px 0 8px;font-weight:600;color:var(--fg-2)}
.fp-doc p{margin:0 0 12px}
.fp-doc strong{font-weight:700;color:var(--fg)}
.fp-doc em{color:var(--fg-2);font-style:italic}
.fp-doc code{background:var(--bg-3);border:1px solid var(--line);padding:1px 6px;border-radius:4px;font-size:12.5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent-2)}
.fp-doc pre{background:var(--bg-3);border:1px solid var(--line);padding:14px;border-radius:8px;overflow-x:auto;margin:0 0 14px}
.fp-doc pre code{background:0;border:0;padding:0;color:var(--fg);font-size:12.5px;line-height:1.55}
.fp-doc hr{border:0;border-top:1px solid var(--line);margin:18px 0}
.fp-doc ul,.fp-doc ol{margin:0 0 12px;padding-left:22px}
.fp-doc li{margin-bottom:4px}
.fp-doc table{width:100%;border-collapse:collapse;margin:0 0 14px;font-size:13px;background:var(--bg);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.fp-doc th{text-align:left;padding:8px 12px;background:var(--bg-3);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.4px;color:var(--fg-2);border-bottom:1px solid var(--line)}
.fp-doc td{padding:8px 12px;border-bottom:1px solid var(--line);color:var(--fg)}
.fp-doc tr:last-child td{border-bottom:0}
.fp-empty{padding:60px 20px;text-align:center;color:var(--fg-3)}
.fp-fallback{padding:60px 20px;text-align:center;color:var(--fg-3)}
.file-name{font-size:13.5px;font-weight:600;word-break:break-word;line-height:1.3}
.file-sub{color:var(--fg-3);font-size:11.5px;opacity:.85}
.file-actions{position:absolute;top:8px;right:8px;display:none;gap:2px}
.file:hover .file-actions{display:flex}
.file-actions button{background:var(--bg-2);border:1px solid var(--line);color:var(--fg-2);width:24px;height:24px;border-radius:5px;cursor:pointer;font-size:11px;display:grid;place-items:center;box-shadow:var(--shadow-sm)}
.file-actions button:hover{color:var(--fg);background:var(--bg-3)}

/* ──────── settings ──────── */
.settings{padding:32px;max-width:680px;margin:0 auto}
.settings h2{margin:0 0 20px;font-size:22px;letter-spacing:-.3px}
.setting-block{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:14px;box-shadow:var(--shadow-sm)}
.setting-block h3{margin:0 0 14px;font-size:12px;color:var(--fg-3);text-transform:uppercase;letter-spacing:.8px;font-weight:600}
.setting-block label{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.setting-block label > span:first-child{color:var(--fg-2);min-width:80px;font-size:13px}
.setting-block input,.setting-block select{flex:1;background:var(--bg);border:1px solid var(--line);color:var(--fg);padding:8px 12px;border-radius:7px;outline:none;transition:border-color .12s}
.setting-block input:focus{border-color:var(--accent)}
.muted{color:var(--fg-3);font-size:13px;line-height:1.6;margin:0;opacity:.9}
.muted code{background:var(--bg-3);padding:1px 6px;border-radius:4px;font-size:12px}
#ws-manage{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
#ws-manage li{display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--bg);border-radius:7px;border:1px solid var(--line)}
#ws-manage .ws-swatch{width:12px;height:12px;border-radius:3px}
#ws-manage .ws-name{flex:1;font-weight:500}
#ws-manage button{background:transparent;border:1px solid var(--bad);color:var(--bad);padding:4px 12px;border-radius:6px;cursor:pointer;font-size:12px;font-weight:500;transition:background .12s,color .12s;opacity:.85}
#ws-manage button:hover{background:var(--bad);color:#fff;opacity:1}

/* ──────── dialogs ──────── */
dialog{border:1px solid var(--line);background:var(--bg-2);color:var(--fg);border-radius:var(--r-lg);padding:0;box-shadow:var(--shadow-lg);min-width:480px;max-width:560px}
dialog::backdrop{background:rgba(31,36,48,.35);backdrop-filter:blur(3px)}
dialog form{display:flex;flex-direction:column;gap:12px;padding:22px}
dialog header{display:flex;align-items:center;gap:8px;margin-bottom:4px}
dialog header h3{margin:0;flex:1;font-size:17px;letter-spacing:-.2px}
dialog header input{flex:1;background:transparent;border:0;color:var(--fg);padding:6px 0;font-size:20px;font-weight:600;letter-spacing:-.3px;outline:none;border-bottom:1px solid transparent;transition:border-color .12s}
dialog header input:focus{border-bottom-color:var(--accent)}
dialog header input::placeholder{color:var(--fg-3)}
dialog textarea{background:var(--bg);border:1px solid var(--line);color:var(--fg);padding:10px 12px;border-radius:8px;resize:vertical;min-height:70px;font:inherit;outline:none;transition:border-color .12s}
dialog textarea:focus{border-color:var(--accent)}
dialog .row{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:12px}
dialog .row:has(label:nth-child(1):last-child){grid-template-columns:1fr}
dialog label{display:flex;flex-direction:column;gap:5px;font-size:11.5px;color:var(--fg-3);text-transform:uppercase;letter-spacing:.5px;font-weight:600}
dialog input,dialog select{background:var(--bg);border:1px solid var(--line);color:var(--fg);padding:8px 10px;border-radius:7px;outline:none;font:inherit;font-size:13px;transition:border-color .12s;text-transform:none;letter-spacing:normal;font-weight:500}
dialog input:focus,dialog select:focus{border-color:var(--accent)}
dialog footer{display:flex;justify-content:flex-end;gap:8px;margin-top:8px;padding-top:14px;border-top:1px solid var(--line)}

/* color & type swatches */
.color-row{display:flex;gap:8px;flex-wrap:wrap;padding:6px 0}
.color-row button{width:28px;height:28px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0;transition:transform .1s,border-color .12s;opacity:.8}
.color-row button:hover{transform:scale(1.1);opacity:1}
.color-row button.active{border-color:var(--fg);box-shadow:0 0 0 2px var(--bg-2) inset;opacity:1}

.type-row{display:flex;gap:6px;flex-wrap:wrap;padding:6px 0}
.type-row button{background:var(--bg);border:1px solid var(--line);color:var(--fg-2);padding:6px 12px;border-radius:7px;cursor:pointer;font-size:12px;font-weight:500;transition:all .12s;opacity:.85}
.type-row button:hover{border-color:var(--line-2);color:var(--fg);opacity:1}
.type-row button.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-2);opacity:1}

.progress-input{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:6px 10px}
.progress-input input[type=range]{flex:1;accent-color:var(--accent);background:transparent;padding:0;border:0;height:18px}
.prog-num{font-size:12px;font-weight:600;color:var(--fg-2);min-width:32px;text-align:right;font-variant-numeric:tabular-nums;opacity:.85}

/* ──────── toast ──────── */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--bg-2);border:1px solid var(--line);padding:11px 20px;border-radius:9px;box-shadow:var(--shadow-lg);font-size:13px;z-index:99;font-weight:500}
.toast.err{border-color:var(--bad);color:var(--bad);opacity:.95}
.toast.ok{border-color:var(--ok);color:var(--ok);opacity:.95}

/* ──────── Report formatter drawer ──────── */
.report-drawer{position:fixed;top:0;right:0;bottom:0;width:520px;max-width:94vw;background:var(--bg-2);border-left:1px solid var(--line);box-shadow:var(--shadow-lg);z-index:60;display:flex;flex-direction:column;animation:chatSlideIn .18s ease-out}
.report-drawer[hidden]{display:none}

.report-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:14px;background:var(--bg)}
.report-section{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;box-shadow:var(--shadow-sm)}
.report-section-head{font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--fg-3);font-weight:600;margin-bottom:8px}

.report-seg{display:flex;gap:4px;background:var(--bg-3);border:1px solid var(--line);border-radius:8px;padding:3px;flex-wrap:wrap}
.report-seg button{background:transparent;border:0;color:var(--fg-2);padding:6px 12px;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600;transition:all .12s;flex:1;min-width:80px}
.report-seg button:hover{color:var(--fg)}
.report-seg button.active{background:var(--bg-2);color:var(--fg);box-shadow:var(--shadow-sm)}

.report-phase-sel{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--fg);padding:8px 10px;border-radius:7px;outline:none;font:inherit;font-size:13px;margin-top:8px;font-weight:500}

.report-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.report-tabs button{background:var(--bg);border:1px solid var(--line);color:var(--fg-2);padding:10px 12px;border-radius:8px;cursor:pointer;display:flex;flex-direction:column;align-items:flex-start;gap:4px;transition:all .12s;text-align:left;font-family:inherit}
.report-tabs button:hover{border-color:var(--line-2);color:var(--fg)}
.report-tabs button.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-2)}
.rt-ico{font-size:14px;font-weight:700}
.rt-hint{font-size:10.5px;color:var(--fg-3);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:500;letter-spacing:-.2px}
.report-tabs button.active .rt-hint{color:var(--accent-2);opacity:.8}

.report-output{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm)}
.report-output-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--bg-2)}
.report-output-label{font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--fg-3);font-weight:600}
.report-output-actions{display:flex;gap:6px}
#report-text{width:100%;flex:1;min-height:280px;background:var(--bg);border:0;color:var(--fg);padding:12px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;line-height:1.6;outline:none;resize:none;display:block;word-break:break-word;overflow-y:auto}
.report-preview{border-top:1px solid var(--line);background:var(--bg-3);padding:10px 14px}
.report-preview-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--fg-3);font-weight:600;margin-bottom:6px}
.report-preview-body{background:var(--bg-2);border:1px solid var(--line);border-radius:6px;padding:10px 12px;font-size:12.5px;line-height:1.55;white-space:pre-wrap;word-break:break-word;max-height:140px;overflow-y:auto;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Inter,Roboto,system-ui,sans-serif}

/* ──────── AI chat drawer ──────── */
.chat-fab{position:fixed;bottom:24px;right:24px;width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;border:0;cursor:pointer;font-size:18px;box-shadow:0 4px 16px rgba(99,102,241,.35),0 1px 3px rgba(31,36,48,.10);z-index:50;transition:transform .12s,box-shadow .12s}
.chat-fab:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(99,102,241,.4),0 2px 4px rgba(31,36,48,.12)}
.chat-fab[hidden]{display:none}

.chat-drawer{position:fixed;top:0;right:0;bottom:0;width:420px;max-width:92vw;background:var(--bg-2);border-left:1px solid var(--line);box-shadow:var(--shadow-lg);z-index:60;display:flex;flex-direction:column;animation:chatSlideIn .18s ease-out}
.chat-drawer[hidden]{display:none}
@keyframes chatSlideIn{from{transform:translateX(100%);opacity:.6}to{transform:translateX(0);opacity:1}}

.chat-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line);background:var(--bg-2);flex-shrink:0}
.chat-head-l{display:flex;align-items:center;gap:10px}
.chat-avatar{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--accent),#a78bfa);color:#fff;display:grid;place-items:center;font-size:15px;box-shadow:0 2px 6px rgba(99,102,241,.25)}
.chat-name{font-weight:600;font-size:14px;letter-spacing:-.1px}
.chat-status{font-size:11px;color:var(--fg-3);display:flex;align-items:center;gap:5px;margin-top:1px}
.chat-dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 2px rgba(34,160,107,.18)}
.chat-head-r{display:flex;gap:2px}

.chat-msgs{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;background:var(--bg)}
.chat-msg{display:flex;flex-direction:column;gap:4px;max-width:88%}
.chat-msg.user{align-self:flex-end;align-items:flex-end}
.chat-msg.ai{align-self:flex-start;align-items:flex-start}
.chat-bubble{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:9px 12px;font-size:13px;line-height:1.5;color:var(--fg);word-break:break-word;box-shadow:var(--shadow-sm)}
.chat-msg.user .chat-bubble{background:var(--accent);color:#fff;border-color:var(--accent)}
.chat-msg.error .chat-bubble{background:#fdecec;border-color:#f3c4c4;color:#a33636}
.chat-msg .chat-meta{font-size:10.5px;color:var(--fg-3);padding:0 4px;display:flex;gap:6px;align-items:center}
.chat-msg .chat-tool{font-size:10.5px;background:var(--bg-3);color:var(--fg-2);padding:1px 6px;border-radius:4px;border:1px solid var(--line);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

.chat-msg.typing .chat-bubble{display:inline-flex;gap:4px;align-items:center;padding:12px 14px}
.chat-msg.typing .chat-bubble span{width:6px;height:6px;border-radius:50%;background:var(--fg-3);opacity:.5;animation:chatDot 1.2s infinite}
.chat-msg.typing .chat-bubble span:nth-child(2){animation-delay:.2s}
.chat-msg.typing .chat-bubble span:nth-child(3){animation-delay:.4s}
@keyframes chatDot{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

.chat-suggest{padding:8px 16px;display:flex;flex-wrap:wrap;gap:6px;border-top:1px solid var(--line);background:var(--bg-2)}
.chat-suggest button{background:var(--bg-3);border:1px solid var(--line);color:var(--fg-2);padding:5px 10px;border-radius:99px;font-size:11.5px;cursor:pointer;transition:all .12s}
.chat-suggest button:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-2)}

.chat-input{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line);background:var(--bg-2);align-items:flex-end;flex-shrink:0}
.chat-input textarea{flex:1;background:var(--bg);border:1px solid var(--line);color:var(--fg);padding:9px 11px;border-radius:8px;outline:none;font:inherit;font-size:13px;resize:none;max-height:120px;line-height:1.4;transition:border-color .12s}
.chat-input textarea:focus{border-color:var(--accent)}
.chat-input button{align-self:flex-end}

/* ──────── gantt / timeline ──────── */
.gantt-wrap{display:flex;flex-direction:column;height:100%;padding:18px 22px;gap:14px;min-height:0}
.gantt-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-shrink:0}
.gantt-info{display:flex;flex-direction:column;gap:2px}
.gantt-title{font-weight:600;font-size:15px;letter-spacing:-.2px}
.gantt-sub{color:var(--fg-3);font-size:12px;font-variant-numeric:tabular-nums}
.gantt-legend{display:flex;gap:14px;align-items:center}
.lg{font-size:11.5px;color:var(--fg-2);display:inline-flex;align-items:center;gap:6px;font-weight:500}
.lg::before{content:'';width:10px;height:10px;border-radius:3px}
.lg-todo::before{background:var(--todo);opacity:.5}
.lg-prog::before{background:var(--prog);opacity:.7}
.lg-done::before{background:var(--done);opacity:.7}

.gantt{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm);flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}
.gantt-head{display:grid;grid-template-columns:120px 1fr;border-bottom:1px solid var(--line);background:var(--bg-2);position:sticky;top:0;z-index:2}
.gantt-row-lbl{padding:10px 14px;font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--fg-3);font-weight:600;border-right:1px solid var(--line);background:var(--bg-2);display:flex;align-items:center}
.gantt-cells{display:grid;background:var(--bg-2)}
.gantt-cell-h{padding:8px 6px;text-align:center;font-size:11px;color:var(--fg-2);font-weight:600;border-right:1px solid var(--line);font-variant-numeric:tabular-nums;position:relative}
.gantt-cell-h:last-child{border-right:0}
.gantt-cell-h .wk{font-size:10px;color:var(--fg-3);text-transform:uppercase;letter-spacing:.5px;display:block;margin-bottom:1px;font-weight:500}
.gantt-cell-h .dt{font-size:11.5px}
.gantt-cell-h.month-start::before{content:'';position:absolute;left:0;top:0;bottom:0;width:1px;background:var(--line-2);opacity:.5}
.gantt-cell-h.today{background:var(--accent-soft)}
.gantt-cell-h.today .dt{color:var(--accent-2);font-weight:700}

.gantt-body{overflow:auto;flex:1;position:relative}
.gantt-row{display:grid;grid-template-columns:120px 1fr;border-bottom:1px solid var(--line);min-height:46px;position:relative}
.gantt-row:hover{background:var(--bg-3)}
.gantt-row:last-child{border-bottom:0}
.gantt-row-lbl-cell{padding:10px 14px;font-size:13px;font-weight:600;color:var(--fg);border-right:1px solid var(--line);background:var(--bg-2);display:flex;align-items:center;position:sticky;left:0;z-index:1;letter-spacing:-.1px;gap:8px}
.gantt-track{position:relative;display:grid}
.gantt-cell{position:relative;border-right:1px solid var(--line)}
.gantt-cell:last-child{border-right:0}
.gantt-cell.weekend{background:rgba(0,0,0,.018)}
.gantt-cell.month-start::before{content:'';position:absolute;left:0;top:0;bottom:0;width:1px;background:var(--line-2);opacity:.4}
.gantt-cell.today-bg{background:var(--accent-soft);opacity:.4}

.gantt-bar{position:absolute;height:22px;border-radius:5px;cursor:pointer;display:flex;align-items:center;padding:0 10px;font-size:11.5px;font-weight:600;color:#fff;box-shadow:0 1px 2px rgba(31,36,48,.08),0 2px 6px rgba(31,36,48,.06);transition:box-shadow .12s,transform .04s;z-index:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;min-width:8px}
.gantt-bar:hover{box-shadow:0 2px 4px rgba(31,36,48,.10),0 4px 12px rgba(31,36,48,.10);z-index:3}
.gantt-bar:active{transform:scale(.98)}
.gantt-bar.s-todo{background:var(--todo);opacity:.65}
.gantt-bar.s-inprogress{background:var(--prog)}
.gantt-bar.s-done{background:var(--done);opacity:.75}
.gantt-bar .bar-prog{position:absolute;left:0;top:0;bottom:0;background:rgba(255,255,255,.18);pointer-events:none}
.gantt-bar .bar-label{position:relative;z-index:1;overflow:hidden;text-overflow:ellipsis}
.gantt-milestone{position:absolute;top:50%;transform:translate(-50%,-50%) rotate(45deg);width:14px;height:14px;background:var(--accent);box-shadow:0 1px 3px rgba(31,36,48,.15);z-index:2;cursor:pointer}
.gantt-milestone:hover{transform:translate(-50%,-50%) rotate(45deg) scale(1.2)}

/* gantt today line — pin ke row, skip kolom label 180px */
.gantt-row{position:relative}
.gantt-row .gantt-today-line{position:absolute;top:0;bottom:0;width:2px;background:var(--accent);opacity:.6;pointer-events:none;z-index:3;transform:none;left:calc(120px + (100% - 120px) * var(--tl, 0))}
.gantt-row .gantt-today-line::before{display:none}

/* drag-resize handles */
.gantt-bar .grip{position:absolute;top:0;bottom:0;width:6px;cursor:ew-resize;z-index:2}
.gantt-bar .grip-l{left:0;border-radius:5px 0 0 5px}
.gantt-bar .grip-r{right:0;border-radius:0 5px 5px 0}

/* segmented range buttons */
.seg{display:inline-flex;background:var(--bg-3);border:1px solid var(--line);border-radius:8px;padding:2px;gap:2px}
.seg button{background:transparent;border:0;color:var(--fg-2);padding:4px 10px;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600;transition:background .12s,color .12s}
.seg button:hover{color:var(--fg)}
.seg button.active{background:var(--bg-2);color:var(--fg);box-shadow:var(--shadow-sm)}

/* ──────── scrollbar ──────── */
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px;border:2px solid transparent;background-clip:padding-box;opacity:.7}
::-webkit-scrollbar-thumb:hover{background:var(--line-2);background-clip:padding-box;border:2px solid transparent}

/* ──────── responsive ──────── */
/* ──── responsive ──── */

/* tablet: 1100px */
@media (max-width:1100px){
  body{grid-template-columns:64px 1fr}
  .brand-text,.ws-section,.nav-item span:not(.nav-ico),.me-meta{display:none}
  .brand,.nav-item,.me{justify-content:center;padding-left:0;padding-right:0}
  .me-meta{display:none}
  .nav{padding:0;gap:4px}
  .nav-item{padding:10px;justify-content:center}
  .topbar{grid-template-columns:1fr 320px auto;gap:10px;padding:12px 16px}
  .gantt-head,.gantt-row{grid-template-columns:96px 1fr}
  .gantt-row .gantt-today-line{left:calc(96px + (100% - 96px) * var(--tl, 0))}
  .gantt-cell-h .wk{font-size:9.5px}
  .gantt-cell-h .dt{font-size:10.5px}
  .board{padding:16px;gap:12px}
}

/* phone: 720px */
@media (max-width:720px){
  body{grid-template-columns:1fr;height:100dvh}
  .sidebar{
    position:fixed;top:auto;bottom:0;left:0;right:0;
    flex-direction:row;align-items:center;justify-content:space-around;
    padding:6px 8px;gap:0;
    border-right:0;border-top:1px solid var(--line);
    z-index:40;height:56px;
    background:var(--bg-2);
  }
  .brand,.me{display:none}
  .ws-section{display:none}
  .nav{flex-direction:row;margin:0;width:100%;justify-content:space-around;gap:0}
  .nav-item{flex-direction:column;gap:2px;padding:4px 6px;font-size:10.5px;border-radius:6px}
  .nav-item .nav-ico{font-size:17px;width:auto}
  .nav-item.active{box-shadow:none;background:var(--accent-soft);color:var(--accent-2)}
  .nav-item.active .nav-ico{color:var(--accent-2)}

  .main{height:100dvh;padding-bottom:56px}
  .topbar{
    grid-template-columns:1fr auto;gap:8px;
    padding:10px 12px;
  }
  .topbar .crumb{display:none}
  .topbar .actions{gap:4px}
  .topbar .actions .btn{padding:6px 8px;font-size:12px}
  .topbar .actions .btn .btn-label{display:none}
  .topbar .actions #new-task{padding:6px 10px}
  .topbar .actions #new-task::before{content:'+';font-weight:700}
  .topbar .actions #new-task span{display:none}
  .topbar .actions #toggle-report{font-size:14px}
  .topbar .actions #prev-range,#topbar .actions #next-range{padding:6px 8px}
  .topbar .actions #range-seg{display:none}
  .topbar .search{display:none}

  .board{grid-template-columns:1fr;padding:12px;gap:12px;height:auto;align-items:stretch}
  .col{max-height:none}

  .gantt-wrap{padding:12px;gap:10px}
  .gantt-toolbar{flex-direction:column;align-items:flex-start;gap:8px}
  .gantt-legend{font-size:10.5px;gap:10px}
  .gantt-head,.gantt-row{grid-template-columns:80px 1fr}
  .gantt-row .gantt-today-line{left:calc(80px + (100% - 80px) * var(--tl, 0))}
  .gantt-cell-h .wk{font-size:9px}
  .gantt-cell-h .dt{font-size:10px}
  .gantt-row-lbl-cell{font-size:11.5px;padding:8px 10px}
  .gantt-bar{font-size:10.5px;height:20px;padding:0 8px}

  .drive{grid-template-columns:1fr}
  .drive-tree{display:none}
  .drive-toolbar{grid-template-columns:1fr auto;gap:8px;padding:10px 12px}
  .drive-toolbar .drive-crumb{grid-column:1/-1;order:-1;font-size:13px}
  .drive-toolbar .drive-search{width:100%}
  .drive-grid{padding:12px;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
  .file{min-height:110px;padding:12px}

  .settings{padding:18px 14px}
  .settings h2{font-size:18px}
  .setting-block{padding:14px}
  .setting-block label{flex-direction:column;align-items:stretch;gap:5px}

  dialog{min-width:0;width:calc(100vw - 24px);max-width:480px;border-radius:var(--r);margin:12px}
  dialog form{padding:18px;gap:10px}
  dialog .row{grid-template-columns:1fr;gap:8px}
  dialog header input{font-size:17px}

  .chat-drawer,.report-drawer{width:100vw;max-width:100vw;border-left:0}
  .chat-fab{bottom:72px;right:14px;width:42px;height:42px;font-size:16px}
}

/* very small: 420px */
@media (max-width:420px){
  .topbar .actions #prev-range,.topbar .actions #next-range,.topbar .actions #toggle-report{display:none}
  .gantt-head,.gantt-row{grid-template-columns:64px 1fr}
  .gantt-row .gantt-today-line{left:calc(64px + (100% - 64px) * var(--tl, 0))}
  .gantt-row-lbl-cell{font-size:10.5px;padding:6px 8px}
  .gantt-cell-h .wk{display:none}
  .gantt-cell-h .dt{font-size:9.5px}
}

/* ===== task attachments ===== */
.task-dialog .attachments{padding:0 18px 12px}
.task-dialog .att-label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.7px;color:var(--fg-3);font-weight:600;margin-bottom:6px;padding:0}
.task-dialog .att-list{list-style:none;margin:0 0 8px;padding:0;display:flex;flex-direction:column;gap:6px;max-height:160px;overflow:auto}
.task-dialog .att-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg-2);font-size:13px}
.task-dialog .att-ico{font-size:14px}
.task-dialog .att-item a{flex:1;color:var(--accent);text-decoration:none;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.task-dialog .att-item a:hover{text-decoration:underline}
.task-dialog .att-del{background:transparent;border:0;color:var(--fg-3);cursor:pointer;font-size:14px;padding:2px 6px;border-radius:6px}
.task-dialog .att-del:hover{background:var(--bad);color:#fff}
.task-dialog .att-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.task-dialog .att-actions input[type="url"]{flex:1;min-width:0;padding:6px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px}
.task-dialog .att-actions input[type="url"]:focus{outline:none;border-color:var(--accent)}
.task-dialog .att-actions button{white-space:nowrap}