:root{
  /* Same design language as the Precision helm app: chart-paper background, navy ink, channel-teal accent, Marine Imaging light-blue trim. */
  --font-display:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular","Segoe UI Mono",Consolas,"Liberation Mono",Menlo,monospace;
  --radius:10px; --radius-sm:6px;
  --bg:#F5F3EE; --panel:#FFFFFF; --ink:#1B2430; --muted:#5B6472; --faint:#8B93A0; --line:#D8D3C7;
  --brand:#2B6E76; --brand-ink:#FFFFFF; --accent-soft:#E4EEEE; --mit-blue:#00E3F0;
  --ok:#3E7C5A; --warn:#B8862F; --bad:#B23A2E;
  --ok-bg:#E4EFE7; --warn-bg:#F7EDDA; --bad-bg:#F6E3E0;
}
/* Shore dark mode (the helm app's red night-vision mode is for the bridge; this is the plain navy version of the same colours) */
@media (prefers-color-scheme:dark){:root{
  --bg:#0F1A22; --panel:#17242E; --ink:#E6EBEF; --muted:#9AA8B4; --faint:#6F7E8B; --line:#2A3A46;
  --brand:#4FB3BF; --brand-ink:#08202A; --accent-soft:#1B3038; --mit-blue:#00E3F0;
  --ok:#6FBF91; --warn:#E0B15A; --bad:#E57B6E;
  --ok-bg:#16301F; --warn-bg:#33290F; --bad-bg:#3A1D1A;}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 var(--font-display)}
button,input,select,textarea{font:inherit;color:inherit}
button,a{transition:background-color .15s ease,border-color .15s ease,opacity .15s ease}
button:active{transform:scale(.97);opacity:.88}
a{color:var(--brand)}
button{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:6px 12px;cursor:pointer}
button:hover{border-color:var(--brand)}
button.primary{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
button.danger{color:var(--bad)} button.small{padding:2px 8px;font-size:12px}
input,select,textarea{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:6px 8px;width:100%}
textarea{min-height:70px;resize:vertical}
label{display:block;font-size:12px;color:var(--muted);margin-bottom:2px}
.shell{display:flex;flex-direction:column;height:100vh}
.top{display:flex;align-items:center;gap:6px;background:var(--panel);border-bottom:1px solid var(--line);box-shadow:inset 0 -3px 0 -2px var(--mit-blue);padding:0 14px;flex-wrap:wrap}
.top .brand{display:flex;align-items:center;gap:10px;margin-right:14px}
.top .brand img{height:42px;width:auto;display:block}
.top .brand span{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);border-left:1px solid var(--line);padding-left:10px}
.top nav{display:flex;gap:2px;flex:1;flex-wrap:wrap}
.top nav button{border:0;border-bottom:3px solid transparent;border-radius:0;background:none;padding:12px 10px}
.top nav button.on{border-bottom-color:var(--brand);color:var(--brand);font-weight:600}
.who{font-size:12px;color:var(--muted);display:flex;gap:10px;align-items:center}
.main{flex:1;overflow:auto;padding:16px 18px}
.bar{display:flex;gap:8px;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.bar .grow{flex:1}.bar input[type=search],.bar select{width:auto;min-width:150px}
h2{margin:0 0 4px;font-size:18px;font-weight:600} h3{margin:16px 0 6px;font-size:15px}
.muted{color:var(--muted)}
table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
th,td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:11px;color:var(--muted);font-weight:600;letter-spacing:.06em;text-transform:uppercase;background:var(--bg);position:sticky;top:0}
tr:last-child td{border-bottom:0} tr.click{cursor:pointer} tr.click:hover td{background:var(--bg)}
.pill{display:inline-block;padding:1px 9px;border-radius:999px;font-size:12px;font-weight:500;background:var(--bg);border:1px solid var(--line)}
.pill.Planning{color:var(--muted)} .pill.Tentative{background:var(--warn-bg);color:var(--warn);border-color:var(--warn)}
.pill.Confirmed{background:var(--ok-bg);color:var(--ok);border-color:var(--ok)}
.pill.progress{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
.pill.Complete{color:var(--ok)} .pill.Cancelled{color:var(--bad);text-decoration:line-through}
.pill.low{background:var(--bad-bg);color:var(--bad);border-color:var(--bad)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-bottom:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px}
.grid .wide{grid-column:1/-1}
.modal-back{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-start;justify-content:center;padding:5vh 12px;overflow:auto;z-index:20}
.modal{background:var(--panel);border-radius:10px;padding:18px;width:min(720px,100%);box-shadow:0 10px 40px rgba(0,0,0,.3)}
.modal .foot{display:flex;gap:8px;justify-content:flex-end;margin-top:14px}
.err{background:var(--bad-bg);color:var(--bad);border:1px solid var(--bad);border-radius:6px;padding:8px 10px;margin:8px 0}
.warnbox{background:var(--warn-bg);color:var(--warn);border:1px solid var(--warn);border-radius:6px;padding:8px 10px;margin:8px 0}
.tabs{display:flex;gap:4px;margin-bottom:12px;flex-wrap:wrap}
.tabs button{border-radius:999px;padding:7px 16px;font-size:13px;font-weight:500;color:var(--muted)}
.tabs button.on{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
.login{max-width:360px;margin:10vh auto;background:var(--panel);border:1px solid var(--line);border-top:3px solid var(--mit-blue);border-radius:var(--radius);padding:26px 24px;box-shadow:0 10px 30px rgba(27,36,48,.08)}
.login .logo{display:block;width:230px;max-width:80%;height:auto;margin:0 auto 6px}
.login .sub{text-align:center;font-size:11px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 18px}
.login button.primary{width:100%;padding:9px 12px;font-weight:600}
.login .ver{margin:14px 0 0;text-align:center;font-size:11px;color:var(--faint)}
.login .row{margin-bottom:10px}
/* calendar */
.cal{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:auto}
.cal-head,.lane{display:grid;grid-template-columns:140px 1fr}
.cal-days{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;min-width:900px}
.cal-days div{font-size:11px;text-align:center;color:var(--muted);padding:4px 0;border-left:1px solid var(--line)}
.cal-days div.wk{background:var(--bg)} .cal-days div.today{color:var(--brand);font-weight:700}
.lane{border-top:1px solid var(--line)}
.lane .name{padding:10px;font-weight:600;border-right:1px solid var(--line);background:var(--bg)}
.lane .track{position:relative;min-width:900px}
.bar-proj{position:absolute;height:26px;border-radius:var(--radius-sm);padding:3px 7px;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;
  color:#fff;background:var(--brand);border:1px solid rgba(0,0,0,.15)}
.bar-proj.Planning{background:repeating-linear-gradient(45deg,var(--bg),var(--bg) 6px,var(--line) 6px,var(--line) 12px);color:var(--ink)}
.bar-proj.Tentative{background:var(--warn-bg);color:var(--warn);border:1px dashed var(--warn)}
.bar-proj.Confirmed{background:var(--ok)} .bar-proj.Complete{background:var(--muted)} .bar-proj.Cancelled{opacity:.35}
.bar-proj.clash{outline:3px solid var(--bad);outline-offset:-1px}
.bar-proj.maybe{outline:2px dashed var(--warn);outline-offset:-1px}
.todayline{position:absolute;top:0;bottom:0;width:2px;background:var(--bad);opacity:.5;pointer-events:none}
.legend{display:flex;gap:12px;font-size:12px;margin:8px 0;flex-wrap:wrap}
.right{text-align:right}

.modal .bar > *{flex:1 1 180px;width:auto}.modal .bar > button{flex:0 0 auto}

td strong,.cal-days div{font-variant-numeric:tabular-nums}
.mono{font-family:var(--font-mono)}
.empty{color:var(--faint);text-align:center;padding:24px;border:1px dashed var(--line);border-radius:var(--radius)}
/* The logo's navy lettering needs a light backing in dark mode */
@media (prefers-color-scheme:dark){.top .brand img,.login .logo{background:#F5F3EE;border-radius:8px;padding:3px 8px;box-sizing:content-box}.login .logo{padding:8px 12px;max-width:calc(80% - 24px)}}

/* ---- v0.5: boat badges, checks, chips, notices ---- */
.boat{--h:190;display:inline-block;padding:1px 9px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap;
  color:hsl(var(--h) 55% 28%);background:hsl(var(--h) 60% 45% / .12);border:1px solid hsl(var(--h) 55% 40% / .5)}
.boatpick{display:inline-flex;gap:8px;align-items:center}.boatpick select{width:auto}
.lane .name .boat{font-size:13px}
.modal h2 .boat{vertical-align:middle;margin-left:6px}
.okbox{background:var(--ok-bg);color:var(--ok);border:1px solid var(--ok);border-radius:6px;padding:8px 10px;margin:8px 0}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:4px 14px}
label.check{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:var(--ink);margin:2px 0;cursor:pointer}
label.check input{width:auto;margin-top:3px}
label.check .got{color:var(--ok);font-weight:600} label.check .miss{color:var(--warn);font-weight:600}
.chip{display:inline-block;padding:0 8px;margin:1px 4px 1px 0;border-radius:999px;font-size:11px;background:var(--accent-soft);color:var(--brand);border:1px solid var(--line)}
tr.off td{opacity:.55}
.who .acct{display:inline-flex;gap:6px;align-items:center}.who .wicon{display:none}
.top .brand{cursor:default}
.top .menu{display:none;border:0;background:none;font-size:22px;line-height:1;padding:8px 10px;margin-left:-8px}
/* slide-out menu (narrow windows) */
.drawer-back{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:30}
.drawer{position:fixed;top:0;bottom:0;left:0;width:270px;max-width:86vw;background:var(--panel);z-index:31;transform:translateX(-102%);transition:transform .18s ease;
  box-shadow:inset -3px 0 0 -2px var(--mit-blue),6px 0 24px rgba(0,0,0,.25);display:flex;flex-direction:column;padding-bottom:12px;overflow:auto;visibility:hidden}
.drawer .dhead{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line);margin-bottom:6px}
.drawer .dhead img{height:34px;width:auto}
.drawer .dhead span{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.drawer>button{border:0;border-radius:0;background:none;text-align:left;padding:12px 18px;border-left:3px solid transparent;font-size:15px}
.drawer>button.on{border-left-color:var(--brand);color:var(--brand);font-weight:600;background:var(--accent-soft)}
@media (max-width:1440px){
  .top nav{display:none}.top .menu{display:inline-flex}.top{flex-wrap:nowrap;gap:4px}.top .brand{cursor:pointer;flex:1;margin-right:0;min-width:0}
  .top .brand img{height:36px}.top nav+.who{margin-left:auto}
  body.drawer-open .drawer-back{display:block}
  body.drawer-open .drawer{transform:none;visibility:visible}
  .who .ver{display:none}
}
@media (max-width:700px){.who .wname{display:none}.who .wicon{display:inline}.main{padding:12px 10px}}
@media (max-width:560px){.top .brandlabel{display:none}.top{padding:0 8px}}
@media (prefers-color-scheme:dark){.boat{color:hsl(var(--h) 65% 72%);background:hsl(var(--h) 50% 50% / .16);border-color:hsl(var(--h) 50% 60% / .55)}}
@media (max-width:1560px){.top .brandlabel{display:none}}
/* ---- v0.6: fleet overview ---- */
.fleet{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:12px}
.fcard{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--faint);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:5px}
.fcard.online{border-left-color:var(--ok)}.fcard.stale{border-left-color:var(--warn)}.fcard.offline{border-left-color:var(--faint)}
.fcard.none{border-style:dashed;border-left-style:dashed}
.fcard.offline .pos,.fcard.stale .pos{opacity:.9}
.fhead{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.fhead strong{font-size:16px;flex:1}
.spill{padding:1px 10px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid var(--line);background:var(--bg);color:var(--muted)}
.spill.online{background:var(--ok-bg);color:var(--ok);border-color:var(--ok)}.spill.stale{background:var(--warn-bg);color:var(--warn);border-color:var(--warn)}
.fcard .k{display:inline-block;min-width:96px;margin-right:8px;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em}
.fcard .seen{font-weight:600}.fcard .alerts{background:var(--warn-bg);color:var(--warn);border:1px solid var(--warn);border-radius:6px;padding:6px 8px}
.muted.small{font-size:12px}
.testtag{display:inline-block;margin-left:6px;padding:0 7px;border-radius:4px;font-size:10px;font-weight:700;letter-spacing:.08em;background:var(--warn-bg);color:var(--warn);border:1px solid var(--warn)}
/* ---- v0.6: history, reports ---- */
table.hist{font-size:13px}table.hist td,table.hist th{padding:6px 8px}
.rpt{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin-top:10px}
.rpt-head{display:flex;gap:18px;align-items:center;border-bottom:3px solid var(--mit-blue);padding-bottom:12px;margin-bottom:12px}
.rpt-head img{height:64px;width:auto;background:#fff;border-radius:8px;padding:4px 8px;box-sizing:content-box}
.rpt-head h1{margin:0 0 4px;font-size:22px}
.rpt-person{break-inside:avoid;margin-top:6px}
.rpt-foot{display:none}
@media print{
  @page{margin:14mm 12mm}
  body{background:#fff;color:#000;font-size:12px}
  .top,.drawer,.drawer-back,.rpt-controls,.rpt-actions,.modal-back{display:none !important}
  .shell{display:block;height:auto}.main{overflow:visible;padding:0}
  .rpt{border:0;padding:0;margin:0}.rpt table{border:1px solid #bbb}.rpt th{position:static;background:#eee;color:#000}
  .rpt-head h1{font-size:20px}.rpt-person{break-inside:avoid}
  .rpt-foot{display:block;position:fixed;bottom:0;left:0;right:0;font-size:10px;color:#555;border-top:1px solid #bbb;padding-top:3px;text-align:center}
}
/* ---- v0.6: fleet map, boat pictures ---- */
.fmap{height:380px;border:1px solid var(--line);border-radius:var(--radius);margin:0 0 12px;position:relative;z-index:0;isolation:isolate;overflow:hidden}
.mapnote{position:absolute;left:10px;right:10px;bottom:28px;z-index:1000;background:var(--warn-bg);color:var(--warn);border:1px solid var(--warn);border-radius:6px;padding:6px 10px;font-size:12px}
.mk-wrap{background:none;border:0}
.mk{width:20px;height:20px;border-radius:50%;border:3px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.5);background:#7B8592}
.mk.online{background:#3E7C5A}.mk.stale{background:#B8862F}.mk.offline{background:#7B8592}
.mk.online::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid rgba(62,124,90,.45)}
.leaflet-tooltip.mk-tip{font:600 12px var(--font-display);color:#1B2430;background:rgba(255,255,255,.92);border:1px solid #bbb;box-shadow:none}
.leaflet-tooltip.mk-tip.offline{color:#5B6472;font-weight:500}
.leaflet-container{font-family:var(--font-display)}
.fcard{cursor:default}.fcard.hl{box-shadow:0 0 0 3px var(--mit-blue)}
.flogo{height:26px;width:auto;max-width:70px;object-fit:contain;background:#fff;border-radius:4px;padding:1px 3px}
.bpicbox{min-height:60px;display:flex;align-items:center;background:var(--bg);border:1px dashed var(--line);border-radius:6px;padding:6px}
.bpic{max-height:90px;max-width:100%;background:#fff;border-radius:4px}
/* ---- v0.6: sortable column titles ---- */
th.sortable{cursor:pointer;user-select:none;white-space:nowrap}th.sortable:hover{color:var(--brand)}
th.sorted{color:var(--brand)}th.sorted[data-dir=asc]::after{content:" ▲";font-size:9px}th.sorted[data-dir=desc]::after{content:" ▼";font-size:9px}

/* ---- System screen, problem toast, reconnect banner ---- */
.subtabs{display:flex;gap:6px;flex-wrap:wrap;margin:4px 0 12px;border-bottom:1px solid var(--line)}
.subtabs button{border:0;background:none;padding:8px 14px;color:var(--muted);border-bottom:3px solid transparent;border-radius:0;cursor:pointer;font:inherit}
.subtabs button.on{color:var(--ink);border-bottom-color:var(--brand);font-weight:600}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px;margin:8px 0 12px}
.stat{background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--line);border-radius:var(--radius-sm);padding:10px 12px}
.stat.good{border-left-color:var(--ok)}.stat.bad{border-left-color:var(--bad)}
.stat .big{font-size:1.15rem;font-weight:600;margin-top:2px;word-break:break-word}
.logbox{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px;font:12px/1.45 var(--font-mono);white-space:pre-wrap;word-break:break-word;margin:6px 0;max-height:260px;overflow:auto}
.logbox.tall{max-height:62vh;min-height:200px}
.rep{margin:10px 0}
.crash-toast{position:fixed;right:16px;bottom:16px;z-index:9999;background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:8px;max-width:340px;box-shadow:0 4px 16px rgba(0,0,0,.25)}
.conn-banner{position:fixed;left:0;right:0;top:0;z-index:9998;background:var(--bad-bg);color:var(--bad);border-bottom:2px solid var(--bad);padding:8px 14px;text-align:center}
.conn-banner button{margin-left:8px}