:root{
  --bg:#f5f6f8; --panel:#ffffff; --ink:#1b1f24; --muted:#5a626d; --line:#e6e9ee;
  --accent:#3b5bdb; --accent-weak:#eef1fe;
  --inwork:#2563eb; --inwork-bg:#e8f0ff;
  --overdue:#d6336c; --overdue-bg:#ffe8f0;
  --done:#2f9e44; --done-bg:#e7f6ec;
  --delivered:#7048e8; --delivered-bg:#f0ebff;
  --archived:#868e96; --archived-bg:#eef0f2;
  --radius:10px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.04);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);font-size:14.5px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* layout */
.layout{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.sidebar{background:var(--panel);border-right:1px solid var(--line);padding:18px 14px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:4px}
.brand{font-weight:700;font-size:16px;letter-spacing:.2px;padding:6px 10px 14px;display:flex;align-items:center;gap:8px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--accent)}
.nav a{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:8px;color:var(--ink);font-weight:500}
.nav a:hover{background:var(--bg);text-decoration:none}
.nav a.active{background:var(--accent-weak);color:var(--accent)}
.nav .ico{width:18px;text-align:center;opacity:.8}
.nav .sep{height:1px;background:var(--line);margin:8px 6px}
.side-foot{margin-top:auto;font-size:12.5px;color:var(--muted);padding:10px}
.main{display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 26px;border-bottom:1px solid var(--line);background:var(--panel)}
.topbar h1{font-size:18px;margin:0;font-weight:650}
.content{padding:22px 26px;max-width:1200px;width:100%}
.userchip{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.userchip b{color:var(--ink)}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px}

/* cards + grid */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.stat .n{font-size:28px;font-weight:700;line-height:1.1}
.stat .l{color:var(--muted);font-size:13px;margin-top:4px}
.stat.ov .n{color:var(--overdue)} .stat.dn .n{color:var(--done)} .stat.iw .n{color:var(--inwork)} .stat.dl .n{color:var(--delivered)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px}
.panel h2{font-size:15px;margin:0;padding:14px 16px;border-bottom:1px solid var(--line);font-weight:650}
.panel .body{padding:14px 16px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:900px){.grid2{grid-template-columns:1fr}}

/* pills */
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12.5px;font-weight:600;white-space:nowrap}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;opacity:.85}
.pill.inwork{color:var(--inwork);background:var(--inwork-bg)}
.pill.overdue{color:var(--overdue);background:var(--overdue-bg)}
.pill.done{color:var(--done);background:var(--done-bg)}
.pill.delivered{color:var(--delivered);background:var(--delivered-bg)}
.pill.archived{color:var(--archived);background:var(--archived-bg)}

/* table */
table.tasks{width:100%;border-collapse:collapse;background:var(--panel)}
table.tasks th,table.tasks td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
table.tasks th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:600;background:#fafbfc}
table.tasks tr:hover td{background:#fbfcfe}
table.tasks td .tid{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12.5px}
table.tasks td .desc{font-weight:550}
table.tasks td .desc a{color:var(--ink)}
table.tasks td .sub{color:var(--muted);font-size:12.5px;margin-top:2px}
.empty{padding:40px;text-align:center;color:var(--muted)}

/* filters */
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px}
.filters input,.filters select{font:inherit}
.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg a{padding:7px 12px;color:var(--muted);font-weight:550;font-size:13px}
.seg a:hover{background:var(--bg);text-decoration:none}
.seg a.on{background:var(--accent);color:#fff}

/* inputs */
input[type=text],input[type=date],input[type=search],input[type=time],select,textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-weak);border-color:var(--accent)}
textarea{resize:vertical;min-height:70px}
label.fld{display:block;margin-bottom:12px}
label.fld .lab{display:block;font-size:12.5px;color:var(--muted);margin-bottom:5px;font-weight:600}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border-radius:8px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font:inherit;font-weight:600;cursor:pointer;font-size:13.5px}
.btn:hover{background:var(--bg);text-decoration:none}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(.95)}
.btn.good{background:var(--done);border-color:var(--done);color:#fff}
.btn.danger{background:#fff;border-color:#f3c0d2;color:var(--overdue)}
.btn.danger:hover{background:var(--overdue-bg)}
.btn.sm{padding:5px 10px;font-size:12.5px}
.btnrow{display:flex;flex-wrap:wrap;gap:8px}

/* task detail */
.detail{display:grid;grid-template-columns:1fr 320px;gap:20px}
@media(max-width:900px){.detail{grid-template-columns:1fr}}
.kv{display:grid;grid-template-columns:150px 1fr;gap:8px 12px;font-size:14px}
.kv dt{color:var(--muted)} .kv dd{margin:0}
.comment{padding:10px 0;border-bottom:1px solid var(--line)}
.comment .meta{font-size:12px;color:var(--muted);margin-bottom:3px}
.hist{font-size:13px}
.hist li{padding:6px 0;border-bottom:1px dashed var(--line);color:var(--muted)}
.hist b{color:var(--ink)}
.multi{display:flex;flex-wrap:wrap;gap:8px}
.chk{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border:1px solid var(--line);border-radius:8px;cursor:pointer;user-select:none}
.chk input{width:auto}
.chk.on{background:var(--accent-weak);border-color:var(--accent);color:var(--accent)}
.flash{padding:10px 14px;border-radius:8px;background:var(--overdue-bg);color:var(--overdue);margin-bottom:14px;font-weight:550}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px}
.login-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:34px;max-width:420px;width:100%;text-align:center}
.login-card h1{margin:0 0 6px;font-size:22px}
.login-card p{color:var(--muted);margin:8px 0}
.login-card .cmd{display:inline-block;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;font-family:ui-monospace,monospace;margin:10px 0}

/* segmented radio tabs (coherent htmx-driven filtering) */
.segbtn{padding:7px 12px;color:var(--muted);font-weight:550;font-size:13px;cursor:pointer;user-select:none}
.segbtn:hover{background:var(--bg)}
.segbtn.on,.seg:has(input:checked) .segbtn:has(input:checked){background:var(--accent);color:#fff}
.seg:has(input:checked) .segbtn.on:not(:has(input:checked)){background:transparent;color:var(--muted)}

/* htmx loading cue */
#task-results.htmx-request{opacity:.5;transition:opacity .12s}
.tablewrap{overflow-x:auto}

/* focus-visible for keyboard users */
a:focus-visible,.btn:focus-visible,.segbtn:focus-within,.chk:focus-within,.card:focus-visible,
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* responsive: collapse sidebar to a top bar, scroll wide tables */
@media(max-width:760px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;gap:2px;border-right:none;border-bottom:1px solid var(--line)}
  .brand{padding:6px 10px}
  .nav{display:flex;flex-wrap:wrap;gap:2px}
  .nav .sep{display:none}
  .side-foot{margin:0 0 0 auto}
  .content{padding:16px}
  table.tasks{min-width:620px}
}

/* attachments */
.vh-file{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.dropzone{border:1.5px dashed var(--line);border-radius:10px;padding:14px;background:#fcfcfd}
.dropzone.drag{border-color:var(--accent);background:var(--accent-weak)}
.dz-prompt{color:var(--muted);font-size:13.5px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dz-list{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.dz-item,.att{display:flex;align-items:center;gap:10px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:13.5px}
.att-ic{flex:0 0 auto}
.att-name{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:550}
.att-meta{flex:0 0 auto;color:var(--muted);font-size:12.5px;font-variant-numeric:tabular-nums}
.att-who{flex:0 0 auto;font-size:12px}
.att a.btn,.att form{flex:0 0 auto}
@media(max-width:760px){.att{flex-wrap:wrap;row-gap:4px}.att-name{flex:1 1 100%}.att-who{order:3}}
.attach-list{display:flex;flex-direction:column;gap:6px;margin:4px 0}
.final-block{border:1.5px solid var(--done);border-radius:10px;background:var(--done-bg)}
.final-block h2{border-bottom-color:#bfe6c9;color:var(--done)}
.comment .att{margin-top:6px;background:#fafbfc}

.muted{color:var(--muted)}
.right{text-align:right}
.nowrap{white-space:nowrap}
small.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}