/* ================= TaskFlow ================= */
:root{
  --bg:#f1f3f7; --panel:#ffffff; --ink:#111827; --muted:#6b7280; --line:#e5e7eb;
  --brand:#2563eb; --brand-dark:#1d4ed8; --brand-soft:#eff6ff;
  --high:#dc2626; --med:#d97706; --low:#059669;
  --radius:12px; --shadow:0 1px 3px rgba(16,24,40,.08),0 1px 2px rgba(16,24,40,.04);
  --sidebar-w:260px; --detail-w:380px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--brand)}
.muted{color:var(--muted)}
.tiny{font-size:12px}
.center{text-align:center}
[hidden]{display:none !important}

/* ---------------- login ---------------- */
.login-body{display:flex;align-items:center;justify-content:center;padding:20px;
  background:linear-gradient(160deg,#eef2ff,#f1f3f7 60%)}
.login-wrap{width:100%;max-width:400px}
.login-card{background:#fff;padding:32px 28px;border-radius:16px;box-shadow:0 10px 40px rgba(16,24,40,.10)}
.login-logo{width:46px;height:46px;border-radius:12px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:14px}
.login-card h1{margin:0 0 4px;font-size:22px}
.login-card p.muted{margin:0 0 20px;font-size:14px}
.login-card label{display:block;font-size:13px;font-weight:600;margin:14px 0 6px}
.login-card input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;font-size:16px}
.login-card input:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.pw-wrap{position:relative}
.pw-toggle{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:0;
  color:var(--brand);font-size:13px;font-weight:600;cursor:pointer;padding:6px}
.alert{padding:10px 12px;border-radius:9px;font-size:14px;margin-bottom:6px}
.alert.err{background:#fee2e2;color:#991b1b}
.alert.ok{background:#dcfce7;color:#166534}
.alert.warn{background:#fef3c7;color:#92400e}

/* ---------------- buttons ---------------- */
.btn-primary{background:var(--brand);color:#fff;border:0;border-radius:10px;padding:11px 16px;
  font-weight:600;cursor:pointer}
.btn-primary:hover{background:var(--brand-dark)}
.btn-primary.block{width:100%;margin-top:22px}
.ghost-btn{background:#fff;border:1px solid var(--line);border-radius:9px;padding:8px 12px;
  cursor:pointer;font-size:14px}
.ghost-btn:hover{background:#f9fafb}
.ghost-btn.danger{color:var(--high);border-color:#fecaca}
.ghost-btn.tiny{padding:5px 9px;font-size:12px}
.icon-btn{background:none;border:0;font-size:19px;cursor:pointer;padding:7px 9px;border-radius:8px;color:var(--muted)}
.icon-btn:hover{background:#f3f4f6}
.link-btn{background:none;border:0;color:var(--brand);cursor:pointer;padding:0;font-size:14px}

/* ---------------- shell ---------------- */
.shell{display:flex;height:100vh;height:100dvh;overflow:hidden}

.sidebar{
  width:var(--sidebar-w);flex:0 0 var(--sidebar-w);background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;overflow-y:auto;
}
.side-head{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 10px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:16px}
.brand-dot{width:26px;height:26px;border-radius:8px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px}
.side-user{display:flex;gap:10px;align-items:center;padding:6px 16px 14px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex:0 0 34px}
.side-user-txt{display:flex;flex-direction:column;min-width:0}
.side-user-txt strong{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.attendance-box{margin:0 12px 12px;padding:10px 12px;border-radius:10px;background:#f9fafb;border:1px solid var(--line);font-size:13px}
.attendance-box.unmarked{background:#fef3c7;border-color:#fde68a}
.attendance-box .att-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.att-chip{border:1px solid var(--line);background:#fff;border-radius:20px;padding:5px 11px;font-size:12px;cursor:pointer}
.att-chip:hover{border-color:var(--brand);color:var(--brand)}
.att-chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}

.side-section{padding:6px 0}
.side-section-head{display:flex;align-items:center;justify-content:space-between;
  padding:8px 16px 4px;font-size:11px;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--muted)}
.nav{display:flex;flex-direction:column;padding:0 8px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;cursor:pointer;
  border:0;background:none;text-align:left;width:100%;font-size:14px}
.nav-item:hover{background:#f3f4f6}
.nav-item.active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.nav-item .ni-ico{width:20px;text-align:center;flex:0 0 20px}
.nav-item .ni-label{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item .ni-count{font-size:12px;color:var(--muted);background:#f3f4f6;border-radius:10px;padding:1px 7px}
.nav-item.active .ni-count{background:#fff}
.dot{width:9px;height:9px;border-radius:50%;flex:0 0 9px}
.side-foot{margin-top:auto;padding:14px 12px;display:flex;flex-direction:column;gap:7px;border-top:1px solid var(--line)}

.scrim{display:none;position:fixed;inset:0;background:rgba(17,24,39,.45);z-index:40}

/* ---------------- main ---------------- */
.main{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg)}
.topbar{display:flex;align-items:center;gap:8px;padding:12px 18px;background:#fff;border-bottom:1px solid var(--line)}
.topbar h1{margin:0;font-size:19px;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-actions{display:flex;gap:2px}

.filterbar{display:flex;gap:8px;padding:10px 18px;background:#fff;border-bottom:1px solid var(--line);
  flex-wrap:wrap;align-items:center}
.filterbar input,.filterbar select{padding:8px 10px;border:1px solid var(--line);border-radius:9px;font-size:14px;background:#fff}
.filterbar input[type=search]{flex:1;min-width:180px}

.content{flex:1;overflow-y:auto;padding:16px 18px 20px;-webkit-overflow-scrolling:touch}
.empty{text-align:center;color:var(--muted);padding:48px 20px;font-size:14px}

/* ---------------- task rows ---------------- */
.group-head{font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--muted);margin:16px 2px 8px}
.group-head:first-child{margin-top:0}

.task{display:flex;gap:11px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:12px 13px;margin-bottom:7px;box-shadow:var(--shadow);cursor:pointer;
  transition:border-color .12s}
.task:hover{border-color:#c7d2fe}
.task.done .t-title{text-decoration:line-through;color:var(--muted)}
.task.overdue{border-left:3px solid var(--high)}
.check{width:21px;height:21px;border-radius:50%;border:2px solid #cbd5e1;flex:0 0 21px;margin-top:1px;
  cursor:pointer;background:#fff;display:flex;align-items:center;justify-content:center;padding:0}
.check:hover{border-color:var(--brand)}
.check.on{background:var(--brand);border-color:var(--brand);color:#fff;font-size:12px}
.t-body{flex:1;min-width:0}
.t-title{font-size:15px;word-break:break-word}
.t-meta{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-top:6px}
.chip{font-size:11.5px;padding:2px 8px;border-radius:20px;background:#f3f4f6;color:var(--muted);
  white-space:nowrap;display:inline-flex;align-items:center;gap:4px}
.chip.pri-high{background:#fee2e2;color:var(--high);font-weight:600}
.chip.pri-medium{background:#fef3c7;color:var(--med);font-weight:600}
.chip.pri-low{background:#d1fae5;color:var(--low);font-weight:600}
.chip.due-over{background:#fee2e2;color:var(--high);font-weight:600}
.chip.due-today{background:#dbeafe;color:var(--brand-dark);font-weight:600}
.chip.client{background:#ede9fe;color:#6d28d9}
.chip.list-chip{background:#f1f5f9;color:#334155}
.chip.remark{background:#fffbeb;color:#92400e;max-width:220px;overflow:hidden;text-overflow:ellipsis}
.star{background:none;border:0;font-size:16px;cursor:pointer;color:#d1d5db;padding:2px 4px;align-self:flex-start}
.star.on{color:#f59e0b}

/* ---------------- detail panel ---------------- */
.detail{width:var(--detail-w);flex:0 0 var(--detail-w);background:#fff;border-left:1px solid var(--line);
  overflow-y:auto;padding:18px}
.detail h2{margin:0 0 4px;font-size:17px}
.detail .field{margin-bottom:14px}
.detail label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:5px}
.detail input,.detail select,.detail textarea{width:100%;padding:9px 10px;border:1px solid var(--line);
  border-radius:9px;font-size:14px;background:#fff}
.detail textarea{min-height:70px;resize:vertical}
.detail-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:14px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.subtask{display:flex;align-items:center;gap:9px;padding:6px 0}
.subtask.done span{text-decoration:line-through;color:var(--muted)}
.subtask span{flex:1;font-size:14px}
.detail-actions{display:flex;gap:8px;margin-top:18px;flex-wrap:wrap}
.activity{margin-top:20px;border-top:1px solid var(--line);padding-top:14px}
.activity-item{font-size:12.5px;color:var(--muted);padding:4px 0}

/* ---------------- quick add ---------------- */
.quickadd{background:#fff;border-top:1px solid var(--line);padding:10px 18px 14px}
.quickadd-row{display:flex;gap:9px;align-items:center}
.qa-plus{width:34px;height:34px;flex:0 0 34px;border-radius:50%;border:0;background:var(--brand);
  color:#fff;font-size:20px;cursor:pointer;line-height:1}
#qaTitle{flex:1;padding:11px 13px;border:1px solid var(--line);border-radius:10px;font-size:15px}
.quickadd-more{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px;margin-top:9px}
.quickadd-more select,.quickadd-more input{padding:8px 10px;border:1px solid var(--line);border-radius:9px;font-size:14px;background:#fff}

/* ---------------- tables (admin / reports) ---------------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;
  margin-bottom:16px;box-shadow:var(--shadow)}
.card h3{margin:0 0 12px;font-size:15px}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.grid{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
table.grid th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--muted);padding:9px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
table.grid td{padding:10px;border-bottom:1px solid #f1f3f7;vertical-align:middle}
table.grid tr:last-child td{border-bottom:0}
.bar{height:6px;background:#f1f3f7;border-radius:4px;overflow:hidden;min-width:70px}
.bar > i{display:block;height:100%;background:var(--brand);border-radius:4px}
.pill{font-size:11.5px;padding:2px 8px;border-radius:20px;background:#f3f4f6;white-space:nowrap}
.pill.role-admin{background:#ede9fe;color:#6d28d9}
.pill.role-tl{background:#dbeafe;color:#1d4ed8}
.pill.role-employee{background:#f1f5f9;color:#475569}
.pill.ok{background:#d1fae5;color:#065f46}
.pill.bad{background:#fee2e2;color:#991b1b}
.pill.warn{background:#fef3c7;color:#92400e}
.toolbar{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar input,.toolbar select{padding:8px 10px;border:1px solid var(--line);border-radius:9px;font-size:14px;background:#fff}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.kpi b{display:block;font-size:24px;line-height:1.2}
.kpi span{font-size:12px;color:var(--muted)}

/* ---------------- modal ---------------- */
.modal-root{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;
  background:rgba(17,24,39,.5);padding:16px}
.modal{background:#fff;border-radius:16px;width:100%;max-width:560px;max-height:88vh;overflow-y:auto;
  padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal.wide{max-width:800px}
.modal h2{margin:0 0 4px;font-size:19px}
.modal .sub{margin:0 0 18px;font-size:14px;color:var(--muted)}
.modal label{display:block;font-size:12.5px;font-weight:600;margin:12px 0 5px}
.modal input,.modal select,.modal textarea{width:100%;padding:10px;border:1px solid var(--line);
  border-radius:9px;font-size:15px;background:#fff}
.modal textarea{min-height:74px;resize:vertical}
.modal-actions{display:flex;gap:9px;justify-content:flex-end;margin-top:20px;flex-wrap:wrap}
.check-row{display:flex;align-items:flex-start;gap:9px;padding:8px 0;font-size:14px}
.check-row input[type=checkbox]{width:18px;height:18px;flex:0 0 18px;margin-top:2px}
.check-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:2px 16px}
.scroll-box{max-height:230px;overflow-y:auto;border:1px solid var(--line);border-radius:10px;padding:6px 12px}

/* ---------------- toast ---------------- */
.toast-root{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);z-index:90;
  display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:#111827;color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;
  box-shadow:0 8px 24px rgba(0,0,0,.25);max-width:90vw}
.toast.err{background:#b91c1c}
.toast.ok{background:#047857}

.only-mobile{display:none}

/* ================= responsive ================= */
@media (max-width:1100px){
  .detail{position:fixed;right:0;top:0;bottom:0;width:min(400px,100%);z-index:50;
    box-shadow:-8px 0 30px rgba(0,0,0,.14)}
}
@media (max-width:820px){
  .only-mobile{display:inline-flex}
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:50;transform:translateX(-100%);
    transition:transform .22s ease;width:min(285px,84vw);flex-basis:auto}
  .sidebar.open{transform:translateX(0)}
  .scrim.show{display:block}
  .detail{width:100%}
  .content{padding:12px 12px 16px}
  .topbar{padding:10px 12px}
  .topbar h1{font-size:17px}
  .filterbar{padding:9px 12px}
  .filterbar input[type=search]{min-width:100%}
  .filterbar select{flex:1;min-width:112px}
  .quickadd{padding:9px 12px calc(11px + env(safe-area-inset-bottom))}
  .modal{padding:18px;border-radius:14px;max-height:92vh}
  .two{grid-template-columns:1fr}
  .kpis{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:400px){
  .kpis{grid-template-columns:1fr}
}