/* Reloj de Obra Douglas — steel neutrals, green go / safety-orange stop */
:root{
  --bg:#f2f4f6;--surface:#fff;--sunk:#e7eaee;--line:#d3d8df;--fg:#16202b;--muted:#5b6774;
  --go:#1d7a4d;--go-ink:#fff;--stop:#e2580b;--stop-ink:#fff;--warn:#a15c00;--warn-soft:#fff1d6;--in-soft:#dff2e8;
  --f-display:"Arial Narrow","Roboto Condensed","Helvetica Neue",system-ui,sans-serif;
  --f-body:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#11161c;--surface:#19212a;--sunk:#222c37;--line:#2f3a46;--fg:#e7ecf1;--muted:#97a3b0;
  --go:#2f9e66;--stop:#ff7a2e;--stop-ink:#1a0d04;--warn:#f0b24a;--warn-soft:#3a2c12;--in-soft:#173527;color-scheme:dark}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--fg);font:15px/1.45 var(--f-body);padding-bottom:env(safe-area-inset-bottom)}
.wrap{max-width:960px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
header.top{position:sticky;top:0;z-index:5;background:var(--surface);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:10px;flex-wrap:wrap}
.brand small{display:block;color:var(--muted);font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.brand h1{font:700 26px/1 var(--f-display);margin:0;text-transform:uppercase;letter-spacing:.01em}
.brand h1 span{color:var(--stop)}
main{padding-block:20px 48px;display:flex;flex-direction:column;gap:16px}
.muted{color:var(--muted)}.center{text-align:center}.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
button,input{font:inherit;color:inherit}
.btn{text-decoration:none;display:inline-block;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:9px 14px;font-weight:600;cursor:pointer}
.btn:hover{background:var(--sunk)}.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.btn.small{padding:5px 10px;font-size:13px}
.link{all:unset;cursor:pointer;color:var(--muted);font-size:13px;text-decoration:underline}
:focus-visible{outline:3px solid var(--stop);outline-offset:3px}
input[type=text],input[type=password],input[type=time],input:not([type]){border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:10px 12px;min-width:0}
.note{border-radius:10px;padding:10px 12px;font-size:14px;background:var(--warn-soft);border:1px solid var(--line);margin:0}
.note.info{background:var(--sunk)}
/* worker clock */
.clock{display:flex;flex-direction:column;align-items:center;gap:18px;text-align:center;padding-block:8px}
.who{font-size:20px;font-weight:600}
.timer{font:600 clamp(48px,15vw,84px)/1 var(--f-mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.timer.idle{color:var(--line)}
.status{font-size:14px;color:var(--muted)}.status b{color:var(--fg)}
.bigbtn{width:min(78vw,280px);aspect-ratio:1;border-radius:50%;border:none;cursor:pointer;
  font:700 clamp(34px,10vw,46px)/1 var(--f-display);letter-spacing:.04em;text-transform:uppercase;
  background:var(--go);color:var(--go-ink);box-shadow:0 0 0 10px var(--in-soft);-webkit-tap-highlight-color:transparent}
.bigbtn.out{background:var(--stop);color:var(--stop-ink);box-shadow:0 0 0 10px var(--warn-soft)}
.bigbtn:active{transform:scale(.97)}.bigbtn:disabled{opacity:.5;cursor:wait}
.confirm{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;align-items:center}
.today{font-size:14px;color:var(--muted)}
.namebox{display:flex;flex-direction:column;gap:12px;width:min(100%,340px)}
.namebox h2{font:700 28px var(--f-display);text-transform:uppercase;margin:0}
.namebox p{margin:0}
.pin{font:600 32px var(--f-mono)!important;text-align:center;letter-spacing:.3em}
/* admin */
.bar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.bar h2{font:700 24px var(--f-display);text-transform:uppercase;margin:0}
.bar .row,.row{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.tablewrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:10px}
table{border-collapse:collapse;width:100%;min-width:620px;font-variant-numeric:tabular-nums}
th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;white-space:nowrap}
th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600}
td.n,th.n{text-align:right}td.n{font-family:var(--f-mono)}td.net{font-weight:600}
tr.sum td{background:var(--sunk);font-weight:600}
.pill{display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--in-soft);color:var(--go)}
.pill.warn{background:var(--warn-soft);color:var(--warn)}.pill.off{background:var(--sunk);color:var(--muted)}
.fix{display:flex;gap:6px;align-items:center}.fix input{padding:5px 8px}
.legend{font-size:12px;color:var(--muted)}
.addform{display:flex;gap:8px;flex-wrap:wrap}.addform input{flex:1 1 140px}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(16px + env(safe-area-inset-bottom));background:var(--fg);color:var(--bg);padding:10px 16px;border-radius:8px;z-index:30;font-weight:600;max-width:90%}