:root{
  --bg:#f1f5f9; --card:#ffffff; --line:#e2e8f0; --ink:#0f172a;
  --muted:#64748b; --blue:#2563eb; --green:#059669; --purple:#7c3aed;
  --photo:#0284c9; --red:#dc2626; --gap:10px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,'Segoe UI',Roboto,'Noto Sans',sans-serif}
a{color:var(--blue)}
.topbar{background:#fff;border-bottom:1px solid var(--line);
  padding:10px 20px;display:flex;align-items:center;gap:18px;
  position:sticky;top:0;z-index:10}
.topbar .brand{font-weight:800;font-size:1.05rem}
.topbar nav{display:flex;gap:6px;margin-left:auto}
.topbar nav a{padding:8px 14px;border-radius:8px;text-decoration:none;
  color:var(--muted);font-weight:600}
.topbar nav a.on{background:#eff6ff;color:var(--blue)}
.wrap{max-width:1280px;margin:0 auto;padding:var(--gap)}
.wrap.wide{max-width:none}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:16px;margin-bottom:var(--gap);box-shadow:0 1px 2px rgba(15,23,42,.04)}
.card h2,.card h3{margin:0 0 10px}
.muted{color:var(--muted)} .small{font-size:.82rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
@media(max-width:900px){.grid2{grid-template-columns:1fr}}
.btn{display:inline-block;border:1px solid var(--line);background:#fff;
  border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer;
  font-size:.95rem;text-decoration:none;color:var(--ink)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.danger{color:var(--red)}
.btn.small{padding:6px 10px;font-size:.8rem}
input[type=text],input[type=email],input[type=time],select{
  border:1px solid var(--line);border-radius:8px;padding:9px 10px;
  font-size:.92rem;background:#f8fafc}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:.75rem;font-weight:700}
table.grid{font-size:.8rem}
table.grid th,table.grid td{text-align:center;padding:6px 4px;
  border:1px solid var(--line)}
table.grid td.cell{cursor:pointer;user-select:none;min-width:44px;height:38px}
.dot{display:inline-block;width:20px;height:20px;border-radius:50%;vertical-align:middle;flex:none}
.dot.hollow{border:3px solid #0f172a;background:transparent}
.dot.solid{background:#dc2626}
tr.dim{opacity:.55}
.timeline{display:flex;gap:3px;margin:8px 0}
.timeline .seg{flex:1;height:34px;border-radius:6px;position:relative;
  display:flex;align-items:center;justify-content:center;
  font-size:.68rem;font-weight:700;color:#fff;min-width:0}
.timeline .seg.now{outline:3px solid #0f172a;outline-offset:1px}
.timeline .seg small{color:#fff}
.shift-banner{display:flex;align-items:center;gap:14px;padding:14px 18px;
  border-radius:14px;color:#fff;margin-bottom:16px}
.shift-banner .t{font-size:2rem;font-weight:800}
.clock{font-size:2.6rem;font-weight:800;letter-spacing:1px}
.qr-box{text-align:center}
.qr-box img{width:170px;height:170px;border:1px solid var(--line);
  border-radius:12px;background:#fff;padding:6px}
.patrol-card{border:2px solid var(--line);border-radius:12px;
  padding:12px 14px;margin:8px 0;display:flex;align-items:center;gap:12px}
.patrol-card.photo{border-color:var(--photo);background:#f0f9ff}
.patrol-card .nm{font-size:1.25rem;font-weight:800}
.seg-btn{border:2px solid var(--line);background:#fff;border-radius:10px;
  padding:8px 0;font-weight:800;cursor:pointer;width:52px;text-align:center}
.seg-btn.on{color:#fff;border-color:transparent}
.flash{padding:10px 14px;border-radius:10px;margin-bottom:12px}
.flash.ok{background:#dcfce7;color:#166534}
.flash.err{background:#fee2e2;color:#991b1b}
.rowline{display:flex;align-items:center;gap:10px;padding:10px 0;
  border-bottom:1px solid var(--line)}
.rowline .grow{flex:1}
.num{font-weight:800;color:var(--muted);width:34px}
/* lively monitor effects */
@keyframes blink-soft{0%,100%{opacity:1}50%{opacity:.15}}
.blink{animation:blink-soft 1.1s ease-in-out infinite}
.livedot{display:inline-block;width:12px;height:12px;border-radius:50%;background:#4ade80;margin-right:10px;box-shadow:0 0 10px #4ade80;vertical-align:middle}
@keyframes glow-blue{0%,100%{box-shadow:0 0 0 0 rgba(2,132,201,.55)}50%{box-shadow:0 0 0 12px rgba(2,132,201,0)}}
.glow{animation:glow-blue 2.2s ease-out infinite}
@keyframes glow-green{0%,100%{box-shadow:0 0 0 0 rgba(22,163,74,.55)}50%{box-shadow:0 0 0 12px rgba(22,163,74,0)}}
.glow-green{animation:glow-green 2.2s ease-out infinite}
/* dashboard: wide due-now panel */
.grid-dash{display:grid;grid-template-columns:3fr 1fr;gap:var(--gap)}
@media(max-width:900px){.grid-dash{grid-template-columns:1fr}}
.grid-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:var(--gap)}
.grid-half{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
@media(max-width:900px){.grid-top,.grid-half{grid-template-columns:1fr}}
.due-now h2{font-size:1.7rem}
.due-now .patrol-card{font-size:1.3rem;padding:14px 18px}
.due-now .badge{font-size:.85rem}
.shift-head{margin:-18px -18px 14px;border-radius:16px 16px 0 0;padding:12px 18px;display:flex;align-items:center;gap:14px;color:#fff}
.shift-head .t{font-size:1.4rem;font-weight:800}
.shift-head .clock{font-size:1.4rem;font-weight:800;font-variant-numeric:tabular-nums}
/* sweeping now-line on the timetable */
#tcard{position:relative}
#nowline{position:absolute;bottom:0;width:3px;margin-left:-1.5px;background:#ef4444;border-radius:2px;
  box-shadow:0 0 10px rgba(239,68,68,.85);z-index:5;pointer-events:none;display:none}
#nowline::before{content:'';position:absolute;top:-3px;left:50%;transform:translateX(-50%);
  border:7px solid transparent;border-top:10px solid #ef4444}

/* ---- interactive dashboard ---- */
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.card:not(.glow-green):not(.glow){animation:rise .45s ease both}
.patrol-card.clickable{cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}
.patrol-card.clickable:hover{transform:translateY(-3px);box-shadow:0 6px 14px rgba(15,23,42,.12)}
.grid td.colhi,.grid th.colhi{box-shadow:inset 0 0 0 2px #38bdf8}
@keyframes rowflash{0%,100%{filter:none}20%,60%{filter:brightness(1.3)}}
.rowflash td{animation:rowflash 1.4s ease}
.elapsed{font-variant-numeric:tabular-nums;white-space:nowrap}
#nxbar{transition:width .5s linear}

/* ---- fluid top dashboard: scales with screen size like the timetable ---- */
.dash-top > *{min-width:0}
.dash-top .card{padding:clamp(12px,.6rem + 1vw,32px)}
.dash-top h2{font-size:clamp(1.25rem,1rem + 1.2vw,2.6rem)}
.dash-top h3{font-size:clamp(1rem,.9rem + .8vw,1.8rem)}
.due-now h2{font-size:clamp(1.25rem,1rem + 1.2vw,2.8rem)}
.due-now .patrol-card{font-size:clamp(1rem,.8rem + 1vw,2rem);
  padding:clamp(10px,.6rem + .8vw,24px) clamp(12px,.7rem + 1vw,28px)}
.patrol-card .nm{font-size:clamp(1rem,.85rem + .8vw,1.9rem)}
.qr-box img{width:clamp(120px,80px + 9vw,340px);height:clamp(120px,80px + 9vw,340px)}
.dash-top .rowline{font-size:clamp(.95rem,.85rem + .5vw,1.5rem)}
.dash-top .livedot{width:clamp(10px,8px + .5vw,14px);height:clamp(10px,8px + .5vw,14px)}

/* ---- due-now interactivity ---- */
.patrol-card.clickable:active{transform:scale(.97)}
@keyframes badge-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.09)}}
.due-now .badge{display:inline-block;animation:badge-pulse 1.6s ease-in-out infinite}
#duebar{transition:width .5s linear,background-color .5s}

/* ---- top cards stretch to fill like the timetable ---- */
.dash-top{align-items:stretch;margin-bottom:var(--gap)}
.dash-top .card{margin-bottom:0}
.dash-right{display:flex;flex-direction:column;gap:var(--gap);min-width:0}
.dash-right > .grid-half{flex:1}
.due-now{display:flex;flex-direction:column}
/* align all due-now content (titles, timer, card contents) on one left line */
.due-now{--cpx:clamp(12px,.7rem + 1vw,28px)}
.due-now .patrol-card{padding-left:var(--cpx);padding-right:var(--cpx)}
.due-now h2,.due-now h3,.due-now .due-timer{padding-left:var(--cpx)}
.fill-col{display:flex;flex-direction:column}
.dash-top .qr-box{display:flex;flex-direction:column;align-items:center;justify-content:center}

/* ---- hover a due-now card -> highlight the matching timetable row ---- */
.grid tr.rowhi td{box-shadow:inset 0 3px 0 #0284c7, inset 0 -3px 0 #0284c7}
.grid tr.rowhi td:first-child{box-shadow:inset 3px 0 0 #0284c7, inset 0 3px 0 #0284c7, inset 0 -3px 0 #0284c7}
.grid tr.rowhi td:last-child{box-shadow:inset -3px 0 0 #0284c7, inset 0 3px 0 #0284c7, inset 0 -3px 0 #0284c7}



/* company logo centered in the top bar */
.topbar{position:relative}
.top-logo{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);height:40px;width:auto}
@media(max-width:700px){.top-logo{height:28px}}