/* ई-सुरक्षा गुंजवणी — design tokens
   Concrete (dam wall) + reservoir teal + hi-vis vest amber (the one loud colour, only for the main action) */
:root{
  --bg:#E6E8E3; --surface:#FFFFFF; --surface-2:#F3F5F2; --ink:#14252C; --muted:#56676C; --line:#C9D0CC;
  --water:#1E5C68; --water-2:#2C7A87; --water-soft:#DCEBEC; --on-water:#FFFFFF;
  --vest:#F2B705; --vest-ink:#2A2100;
  --ok:#2E7D4F; --ok-soft:#DFF0E5; --bad:#B3261E; --bad-soft:#F8DEDB; --warn:#8A5300; --warn-soft:#FBEBC8;
  --r-lg:20px; --r:12px; --r-sm:8px;
  --shadow:0 1px 0 rgba(20,37,44,.06), 0 6px 18px -10px rgba(20,37,44,.35);
  --font:'Mukta','Noto Sans Devanagari',system-ui,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0E181C; --surface:#16252B; --surface-2:#1C2E35; --ink:#E6EEEC; --muted:#9DB2B4; --line:#2B4048;
    --water:#5FB3C2; --water-2:#7CC6D3; --water-soft:#1E3A42; --on-water:#0E181C;
    --ok:#6CC28F; --ok-soft:#173226; --bad:#F2867D; --bad-soft:#3A1E1C; --warn:#F2C35E; --warn-soft:#3A2E12;
    --shadow:0 1px 0 rgba(0,0,0,.3), 0 8px 20px -12px rgba(0,0,0,.8); color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0E181C; --surface:#16252B; --surface-2:#1C2E35; --ink:#E6EEEC; --muted:#9DB2B4; --line:#2B4048;
  --water:#5FB3C2; --water-2:#7CC6D3; --water-soft:#1E3A42; --on-water:#0E181C;
  --ok:#6CC28F; --ok-soft:#173226; --bad:#F2867D; --bad-soft:#3A1E1C; --warn:#F2C35E; --warn-soft:#3A2E12; color-scheme:dark;
}
:root{box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px)}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.5;-webkit-tap-highlight-color:transparent}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--vest);outline-offset:2px}
img{max-width:100%}
h1,h2,h3{line-height:1.2;margin:0}
h2{font-size:1.25rem;font-weight:700}
h3{font-size:1.05rem;font-weight:700}
.muted{color:var(--muted)}
.small{font-size:.86rem}
.hide{display:none!important}

/* ---------- App frame ---------- */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:#174A54;color:#fff;padding:10px 14px;display:flex;align-items:center;gap:10px}
.top .ttl{flex:1;min-width:0}
.top .ttl b{display:block;font-size:1.02rem;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top .ttl span{font-size:.82rem;opacity:.85}
.dot{width:10px;height:10px;border-radius:50%;background:#9EE6B5;flex:none;box-shadow:0 0 0 3px rgba(255,255,255,.18)}
.dot.off{background:#FF9C8F}
.qbadge{background:var(--vest);color:var(--vest-ink);border-radius:999px;padding:0 9px;font-weight:800;font-size:.8rem}
.top button{background:rgba(255,255,255,.14);border:0;color:#fff;border-radius:10px;min-height:40px;min-width:40px;padding:0 10px;font-weight:700;cursor:pointer}
main{max-width:860px;margin:0 auto;padding:14px 14px 110px}
.nav{position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--surface);border-top:1px solid var(--line);display:flex;padding-bottom:env(safe-area-inset-bottom,0px)}
.nav button{flex:1;background:none;border:0;padding:8px 2px 10px;min-height:60px;cursor:pointer;color:var(--muted);font-size:.8rem;font-weight:600;display:flex;flex-direction:column;align-items:center;gap:2px}
.nav button i{font-style:normal;font-size:1.35rem;line-height:1}
.nav button[aria-current="page"]{color:var(--water);box-shadow:inset 0 3px 0 var(--water)}
@media (min-width:900px){ .nav{top:auto;max-width:860px;margin:0 auto;border:1px solid var(--line);border-bottom:0;border-radius:14px 14px 0 0} }

/* ---------- Building blocks ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin:0 0 12px;box-shadow:var(--shadow)}
.card.flat{box-shadow:none}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.between{justify-content:space-between}
.stack>*+*{margin-top:10px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:420px){.grid2{grid-template-columns:1fr}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 18px;border-radius:var(--r);border:1px solid var(--line);background:var(--surface-2);font-weight:700;cursor:pointer;text-decoration:none;color:var(--ink)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:var(--water);border-color:var(--water);color:var(--on-water)}
.btn.vest{background:var(--vest);border-color:#D9A300;color:var(--vest-ink)}
.btn.danger{background:var(--bad);border-color:var(--bad);color:#fff}
.btn.ghost{background:transparent}
.btn.block{width:100%}
.btn.sm{min-height:38px;padding:0 12px;font-size:.92rem}
.chip{display:inline-flex;align-items:center;gap:4px;border-radius:999px;padding:1px 10px;font-size:.8rem;font-weight:700;background:var(--surface-2);border:1px solid var(--line)}
.chip.ok{background:var(--ok-soft);color:var(--ok);border-color:transparent}
.chip.bad{background:var(--bad-soft);color:var(--bad);border-color:transparent}
.chip.warn{background:var(--warn-soft);color:var(--warn);border-color:transparent}
.banner{border-radius:var(--r);padding:12px 14px;margin-bottom:12px;font-weight:600;display:flex;gap:10px;align-items:flex-start}
.banner.bad{background:var(--bad-soft);color:var(--bad)}
.banner.warn{background:var(--warn-soft);color:var(--warn)}
.banner.info{background:var(--water-soft);color:var(--ink)}
.banner .grow{flex:1}
label.f{display:block;font-weight:600;font-size:.92rem;margin-bottom:10px}
label.f>span{display:block;margin-bottom:4px}
input.in,select.in,textarea.in{width:100%;min-height:46px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);padding:8px 12px}
textarea.in{min-height:90px}
.list{list-style:none;margin:0;padding:0}
.list>li{padding:10px 0;border-bottom:1px solid var(--line)}
.list>li:last-child{border-bottom:0}
.empty{text-align:center;color:var(--muted);padding:24px 8px}
.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.t{border-collapse:collapse;width:100%;font-size:.9rem}
table.t th,table.t td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
table.t th{font-weight:700;color:var(--muted);font-size:.8rem}

/* ---------- The signature element: duty strip (three spillway-gate segments) ---------- */
.duty{background:var(--surface);border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden;margin-bottom:14px}
.duty-head{padding:14px 16px 4px}
.duty-head .post{font-size:1.45rem;font-weight:800;letter-spacing:-.01em}
.duty-head .when{color:var(--muted);font-weight:600}
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:12px 12px 14px}
.strip.one{grid-template-columns:1fr}
.seg{border-radius:10px;background:var(--surface-2);border:1px solid var(--line);padding:8px 6px 6px;text-align:center;position:relative;min-height:74px}
.seg b{display:block;font-size:1.6rem;font-weight:800;line-height:1}
.seg small{display:block;font-size:.74rem;color:var(--muted);font-weight:600}
.seg .st{display:block;font-size:.78rem;font-weight:700;margin-top:3px}
.seg.now{background:var(--vest);border-color:#D9A300;color:var(--vest-ink)}
.seg.now small{color:var(--vest-ink)}
.seg.P{box-shadow:inset 0 -5px 0 var(--ok)}
.seg.U{box-shadow:inset 0 -5px 0 var(--warn)}
.seg.R{box-shadow:inset 0 -5px 0 var(--bad)}
.bigact{padding:0 12px 14px;display:grid;gap:10px}
.bigact .btn{min-height:64px;font-size:1.15rem;border-radius:16px}
.countdown{font-variant-numeric:tabular-nums;font-weight:800}

/* ---------- Sheet (mobile dialog) ---------- */
.sheet-bg{position:fixed;inset:0;background:rgba(10,20,24,.55);z-index:50;display:flex;align-items:flex-end;justify-content:center}
.sheet{background:var(--surface);width:100%;max-width:560px;max-height:92vh;overflow:auto;border-radius:22px 22px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom,0px))}
@media (min-width:700px){.sheet-bg{align-items:center}.sheet{border-radius:22px}}
.sheet h2{margin-bottom:4px}
.sheet .sub{color:var(--muted);margin-bottom:12px}
.fstep{display:flex;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:var(--r);margin-bottom:8px}
.fstep .ic{font-size:1.4rem;width:32px;text-align:center}
.fstep .tx{flex:1}
.fstep.done{background:var(--ok-soft);border-color:transparent}
.fstep.fail{background:var(--bad-soft);border-color:transparent}
.fstep.act{border-color:var(--water);border-width:2px}
.thumb{width:64px;height:64px;object-fit:cover;border-radius:10px}
.actions{display:flex;gap:10px;margin-top:14px}
.actions .btn{flex:1}
video.qr{width:100%;border-radius:var(--r);background:#000;aspect-ratio:1/1;object-fit:cover}

#toast{position:fixed;left:50%;bottom:86px;transform:translateX(-50%);z-index:60;max-width:92vw;pointer-events:none}
#toast .m{background:var(--ink);color:var(--surface);padding:12px 16px;border-radius:12px;font-weight:600;box-shadow:var(--shadow);margin-top:8px}
#toast .m.bad{background:var(--bad);color:#fff}

/* ---------- Login ---------- */
.login{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:28px 20px;max-width:480px;margin:0 auto}
.login .mark{width:76px;height:76px;margin-bottom:18px}
.login h1{font-size:2rem;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.login .lead{color:var(--muted);margin:8px 0 22px}
.login ul{padding-left:18px;color:var(--muted);font-size:.92rem}

/* ---------- Roster grid ---------- */
.rday{margin-bottom:12px}
.rday h3{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}
.rrow{display:grid;grid-template-columns:minmax(110px,1fr) 2fr;gap:8px;align-items:center;margin-bottom:6px}
.rrow .lb{font-size:.88rem;font-weight:600}
.rrow select.changed{border-color:var(--vest);border-width:2px}
.rrow .src{font-size:.7rem;color:var(--muted)}

@media (prefers-reduced-motion:no-preference){ .sheet{animation:up .18s ease-out} @keyframes up{from{transform:translateY(24px);opacity:.6}to{transform:none;opacity:1}} }

/* ---------- Print (reports) ---------- */
#print-root{display:none}
@media print{
  @page{size:A4 landscape;margin:9mm}
  body{background:#fff;color:#000;font-size:10pt}
  #app,#sheet-root,#toast,.nav,.top{display:none!important}
  #print-root{display:block}
  .pg{page-break-after:always}
  .pg:last-child{page-break-after:auto}
}
.rp{font-family:var(--font);color:#000;background:#fff}
.rp h1{font-size:15pt;text-align:center;margin:0}
.rp h2{font-size:12pt;text-align:center;margin:2px 0 8px}
.rp .meta{text-align:center;font-size:9pt;margin-bottom:6px}
.rp table{border-collapse:collapse;width:100%}
.rp th,.rp td{border:1px solid #444;padding:2px 3px;font-size:8pt;text-align:center}
.rp td.l,.rp th.l{text-align:left}
.rp .off{background:#e6e6e6}
.rp .q{background:#fde7b0}
.rp .x{background:#f5c6c2}
.rp .remark{border:1px solid #444;padding:6px 8px;font-size:8.5pt;margin-top:8px}
.rp .sign{display:flex;justify-content:space-between;margin-top:46px;font-size:9.5pt}
.rp .sign div{width:44%;text-align:center;border-top:1px solid #000;padding-top:4px}
.rp .legend{font-size:8pt;margin-top:4px}
.rp .draft{color:#B3261E;font-weight:800;text-align:center;font-size:11pt}