/* Layout: fixed navy nav rail + sticky command bar (UTC clock, global PN/SN search); content is a fluid grid of panels.
   Colour semantics follow cockpit alerting convention: red = warning, amber = caution, cyan = advisory, green = normal. */
:root{
  --bg:#edf0f3; --surface:#ffffff; --surface-2:#f5f7f9; --ink:#132030; --ink-2:#4b5968; --ink-3:#768494;
  --line:#d4dbe2; --line-2:#e5eaef;
  --accent:#1b4f8f; --accent-soft:#e2ebf6; --on-accent:#ffffff;
  --nav:#0f1d2c; --nav-ink:#bccad8; --nav-dim:#7f93a7; --nav-active:#1d3450; --nav-line:#1c2c3e;
  --ok:#1b7044; --ok-soft:#e0f1e7; --caution:#9c5c00; --caution-soft:#fbefd9;
  --warn:#bd232b; --warn-soft:#fbe4e4; --adv:#07707f; --adv-soft:#dcf1f4;
  --shadow:0 1px 2px rgba(16,32,48,.06),0 2px 8px rgba(16,32,48,.04);
  --f-display:"Barlow Semi Condensed","Arial Narrow",system-ui,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --r:6px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0d131a; --surface:#141c25; --surface-2:#19232e; --ink:#e3e9ef; --ink-2:#a2afbc; --ink-3:#74838f;
  --line:#2a3644; --line-2:#212c38;
  --accent:#7aaef0; --accent-soft:#1a2c44; --on-accent:#0b1420;
  --nav:#0a1118; --nav-ink:#bccad8; --nav-dim:#6f8396; --nav-active:#182a40; --nav-line:#18232f;
  --ok:#55c98f; --ok-soft:#14301f; --caution:#f2ac43; --caution-soft:#36280f;
  --warn:#ff7474; --warn-soft:#3b1719; --adv:#55d3e3; --adv-soft:#0f2e33;
  --shadow:none; color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0d131a; --surface:#141c25; --surface-2:#19232e; --ink:#e3e9ef; --ink-2:#a2afbc; --ink-3:#74838f;
  --line:#2a3644; --line-2:#212c38;
  --accent:#7aaef0; --accent-soft:#1a2c44; --on-accent:#0b1420;
  --nav:#0a1118; --nav-ink:#bccad8; --nav-dim:#6f8396; --nav-active:#182a40; --nav-line:#18232f;
  --ok:#55c98f; --ok-soft:#14301f; --caution:#f2ac43; --caution-soft:#36280f;
  --warn:#ff7474; --warn-soft:#3b1719; --adv:#55d3e3; --adv-soft:#0f2e33;
  --shadow:none; color-scheme:dark;
}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:14px;line-height:1.45}
*{box-sizing:border-box}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums slashed-zero;letter-spacing:-.01em}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--ink-2)}
.dim{color:var(--ink-3)}
h1,h2,h3{font-family:var(--f-display);font-weight:600;margin:0;text-wrap:balance;letter-spacing:.01em}
h1{font-size:1.75rem;line-height:1.1}
h2{font-size:1.15rem;line-height:1.2}
h3{font-size:1rem}
.eyebrow{font-family:var(--f-display);font-size:.78rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3)}

/* App shell */
.app{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100%}
.nav{background:var(--nav);color:var(--nav-ink);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;padding-left:env(safe-area-inset-left,0px)}
.brand{display:flex;align-items:center;gap:10px;padding:18px 18px 16px;border-bottom:1px solid var(--nav-line)}
.brand svg{flex:none}
.brand b{font-family:var(--f-display);font-size:1.2rem;letter-spacing:.04em;color:#fff;font-weight:700}
.brand small{display:block;font-size:.7rem;color:var(--nav-dim);letter-spacing:.06em;text-transform:uppercase}
.nav-group{padding:14px 10px 4px}
.nav-group .eyebrow{color:var(--nav-dim);padding:0 10px 6px;font-size:.7rem}
.nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:5px;color:var(--nav-ink);text-decoration:none;font-weight:500}
.nav a:hover{background:var(--nav-active);color:#fff}
.nav a[aria-current="page"]{background:var(--nav-active);color:#fff;box-shadow:inset 3px 0 0 #6fa8f0}
.nav a .count{margin-left:auto;font-family:var(--f-mono);font-size:.72rem;padding:1px 6px;border-radius:9px;background:#2a3d55;color:#dbe6f1}
.nav a .count.hot{background:#8f1d23;color:#fff}
.nav svg{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.nav-foot{margin-top:auto;padding:14px 18px;border-top:1px solid var(--nav-line);font-size:.75rem;color:var(--nav-dim)}
.nav-foot b{color:var(--nav-ink);font-weight:500}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding-block:10px;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--surface)}
.search{position:relative;flex:1;max-width:560px}
.search input{width:100%;padding:8px 12px 8px 34px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface-2)}
.search input:focus{background:var(--surface);border-color:var(--accent)}
.search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--ink-3);fill:none;stroke-width:2}
.search kbd{position:absolute;right:8px;top:50%;transform:translateY(-50%)}
kbd{font-family:var(--f-mono);font-size:.7rem;border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:0 5px;color:var(--ink-3);background:var(--surface)}
.dropdown{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 8px 24px rgba(0,0,0,.14);max-height:360px;overflow:auto;z-index:40}
.dropdown button{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;width:100%;text-align:left;padding:8px 12px;border:0;background:none;cursor:pointer;border-bottom:1px solid var(--line-2)}
.dropdown button:hover,.dropdown button:focus-visible{background:var(--accent-soft)}
.dropdown .grp{padding:6px 12px;font-size:.7rem}
.top-meta{display:flex;align-items:center;gap:16px;margin-left:auto;font-size:.8rem;white-space:nowrap}
.top-meta .clock{font-family:var(--f-mono);font-weight:500;font-size:.9rem}
.station{display:flex;flex-direction:column;line-height:1.2}
.proto-chip{font-size:.72rem;padding:3px 8px;border-radius:4px;background:var(--adv-soft);color:var(--adv);font-weight:600;letter-spacing:.03em}
.theme-btn{border:1px solid var(--line);background:var(--surface);border-radius:var(--r);padding:5px 8px;cursor:pointer}

.content{padding-block:20px 48px;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px));display:flex;flex-direction:column;gap:18px;min-width:0}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.page-head p{margin:4px 0 0;color:var(--ink-2);max-width:70ch}

/* Panels & grids */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);min-width:0}
.panel-h{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line-2);flex-wrap:wrap}
.panel-b{padding:14px 16px}
.grid{display:grid;gap:18px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:18px;align-items:start}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.kpi .v{font-family:var(--f-display);font-size:2rem;font-weight:600;line-height:1.05;font-variant-numeric:tabular-nums}
.kpi .l{font-size:.8rem;color:var(--ink-2)}
.kpi.ok .v{color:var(--ok)} .kpi.caution .v{color:var(--caution)} .kpi.warn .v{color:var(--warn)} .kpi.adv .v{color:var(--adv)}
.kpi.warn{border-color:color-mix(in srgb,var(--warn) 45%,var(--line));background:var(--warn-soft)}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:.74rem;font-weight:600;padding:2px 8px;border-radius:4px;white-space:nowrap;letter-spacing:.01em;border:1px solid transparent}
.badge span{font-size:.62rem}
.b-ok{background:var(--ok-soft);color:var(--ok)}
.b-caution{background:var(--caution-soft);color:var(--caution)}
.b-warn{background:var(--warn-soft);color:var(--warn)}
.b-adv{background:var(--adv-soft);color:var(--adv)}
.b-info{background:var(--accent-soft);color:var(--accent)}
.b-neutral{background:var(--surface-2);color:var(--ink-2);border-color:var(--line)}
.b-solid-warn{background:var(--warn);color:#fff}

/* Tables */
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.86rem}
th{font-family:var(--f-display);font-weight:600;font-size:.76rem;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-3);text-align:left;padding:8px 12px;border-bottom:1px solid var(--line);background:var(--surface-2);white-space:nowrap;position:sticky;top:0}
td{padding:9px 12px;border-bottom:1px solid var(--line-2);vertical-align:middle}
tr.click{cursor:pointer}
tr.click:hover td{background:var(--surface-2)}
tr.sel td{background:var(--accent-soft)}
tr.sel td:first-child{box-shadow:inset 3px 0 0 var(--accent)}
td.r,th.r{text-align:right}
.pn{font-family:var(--f-mono);font-weight:600;font-variant-numeric:slashed-zero;white-space:nowrap}

/* Controls */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);padding:6px 12px;border-radius:var(--r);cursor:pointer;font-weight:500;font-size:.85rem;white-space:nowrap}
.btn:hover{border-color:var(--ink-3)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{background:var(--warn);border-color:var(--warn);color:#fff}
.btn.sm{padding:3px 9px;font-size:.78rem}
.btn:disabled{opacity:.45;cursor:not-allowed;filter:none}
.link{background:none;border:0;padding:0;color:var(--accent);cursor:pointer;font-weight:500;text-decoration:underline;text-underline-offset:2px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--surface);padding:5px 11px;border-radius:999px;cursor:pointer;font-size:.82rem;font-weight:500}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.chip .c{font-family:var(--f-mono);font-size:.74rem;opacity:.7;margin-left:4px}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field label{font-size:.75rem;font-weight:600;color:var(--ink-2)}
.field input,.field select{padding:7px 10px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.toolbar .grow{flex:1;min-width:220px}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs button{border:0;background:none;padding:9px 14px;cursor:pointer;font-weight:500;color:var(--ink-2);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}

/* Banners */
.banner{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:var(--r);border:1px solid}
.banner b{display:block}
.banner.warn{background:var(--warn-soft);border-color:color-mix(in srgb,var(--warn) 40%,transparent);color:var(--ink)}
.banner.warn .ic{color:var(--warn)}
.banner.caution{background:var(--caution-soft);border-color:color-mix(in srgb,var(--caution) 40%,transparent)}
.banner.caution .ic{color:var(--caution)}
.banner.ok{background:var(--ok-soft);border-color:color-mix(in srgb,var(--ok) 35%,transparent)}
.banner.ok .ic{color:var(--ok)}
.banner .ic{font-weight:700;font-size:1rem;line-height:1.3}

/* Misc components */
.fleet{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.tail{border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;background:var(--surface);cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:4px}
.tail:hover{border-color:var(--ink-3)}
.tail .reg{font-family:var(--f-mono);font-weight:600;font-size:1rem}
.tail.grounded{background:var(--warn-soft);border-color:color-mix(in srgb,var(--warn) 45%,var(--line))}
.tail.mx{background:var(--caution-soft);border-color:color-mix(in srgb,var(--caution) 40%,var(--line))}
.list{display:flex;flex-direction:column}
.row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px 16px;border-bottom:1px solid var(--line-2)}
.row:last-child{border-bottom:0}
.row .t{font-weight:500}
.row .s{font-size:.8rem;color:var(--ink-2)}
.meter{height:6px;border-radius:3px;background:var(--line-2);overflow:hidden;min-width:70px}
.meter i{display:block;height:100%;border-radius:3px}
.stack{display:flex;height:12px;border-radius:3px;overflow:hidden;gap:2px}
.stack i{display:block;height:100%}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:.8rem;margin-top:10px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:10px;height:10px;border-radius:2px;display:inline-block}
.kv{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:7px 16px;font-size:.86rem}
.kv dt{color:var(--ink-2)}
.kv dd{margin:0;font-weight:500;min-width:0;overflow-wrap:anywhere}
.binpath{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
.binpath span{font-family:var(--f-mono);padding:4px 8px;border:1px solid var(--line);border-radius:4px;background:var(--surface-2);font-size:.82rem}
.binpath span small{display:block;font-family:var(--f-body);font-size:.62rem;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em}
.binpath em{color:var(--ink-3);font-style:normal}
.steps{display:flex;gap:3px;align-items:center}
.steps i{width:18px;height:6px;border-radius:2px;background:var(--line)}
.steps i.done{background:var(--ok)}
.steps i.now{background:var(--accent)}
.timeline{list-style:none;margin:0;padding:0}
.timeline li{display:grid;grid-template-columns:92px 14px minmax(0,1fr);gap:10px;padding-bottom:14px;position:relative}
.timeline li::before{content:"";position:absolute;left:106px;top:14px;bottom:0;width:2px;background:var(--line-2)}
.timeline li:last-child::before{display:none}
.timeline .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);margin-top:5px;margin-left:2px;position:relative;z-index:1}
.timeline .d{font-family:var(--f-mono);font-size:.8rem;color:var(--ink-2);padding-top:2px}
.inline-confirm{border:1px solid var(--accent);background:var(--accent-soft);border-radius:var(--r);padding:12px;display:flex;flex-direction:column;gap:10px}
.inline-confirm .acts{display:flex;gap:8px;flex-wrap:wrap}
.err{color:var(--warn);font-size:.82rem;font-weight:500}
.empty{padding:28px 16px;text-align:center;color:var(--ink-2)}
.toast-host{position:fixed;right:max(16px,env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:8px;z-index:60}
.toast{background:var(--ink);color:var(--surface);padding:10px 14px;border-radius:var(--r);box-shadow:0 6px 20px rgba(0,0,0,.25);max-width:360px;font-size:.86rem}

/* Base reset (standalone page) */
body{margin:0}
[hidden]{display:none!important}
img{max-width:100%}
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}

/* Grouped navigation, notification bell, WO lifecycle */
.nav-groups{overflow-y:auto}
.bell{position:relative;display:inline-flex;align-items:center}
.bell svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.bell-count{position:absolute;top:-7px;right:-7px;min-width:17px;padding:0 4px;border-radius:9px;background:var(--warn);color:#fff;font-family:var(--f-mono);font-size:.64rem;line-height:17px;text-align:center}
.bell-count:empty{display:none}
.lifecycle{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px}
.lifecycle li{font-size:.72rem;font-weight:500;padding:3px 8px;border-radius:3px;background:var(--surface-2);color:var(--ink-3);border:1px solid var(--line-2)}
.lifecycle li.done{background:var(--ok-soft);color:var(--ok);border-color:transparent}
.lifecycle li.now{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}

/* CRUD panels & pop-up forms */
.crud .panel-h{padding-block:8px}
.crud-toggle{display:flex;align-items:baseline;gap:10px;border:0;background:none;padding:4px 0;cursor:pointer;color:var(--ink);font-size:.92rem}
.crud-toggle:hover b{text-decoration:underline;text-underline-offset:2px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 14px}
.form-grid .wide,.form-section{grid-column:1/-1}
.form-section{font-family:var(--f-display);font-weight:600;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);border-top:1px solid var(--line-2);padding-top:10px;margin-top:4px}
.field textarea{padding:7px 10px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);resize:vertical;font:inherit;color:inherit}
.field small{font-size:.74rem}
.field .flabel{font-size:.75rem;font-weight:600;color:var(--ink-2)}
.field [aria-invalid="true"]{border-color:var(--warn);box-shadow:0 0 0 1px var(--warn)}
.check{display:flex;align-items:center;gap:8px;font-size:.85rem;font-weight:500;color:var(--ink);cursor:pointer}
.chips.multi{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.chip-check{border:1px solid var(--line);border-radius:999px;padding:4px 10px;background:var(--surface)}
.chip-check:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.req{color:var(--warn)}
.form-acts{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding-top:4px}
.nav-reset{padding:12px 18px;font-size:.72rem;color:var(--nav-dim);line-height:1.5}
.nav-btn{background:none;border:1px solid var(--nav-line);color:var(--nav-ink);border-radius:4px;padding:2px 8px;font-size:.72rem;cursor:pointer;margin-top:4px}
.nav-btn:hover{border-color:var(--nav-ink)}
.nav-btn.danger{background:#8f1d23;border-color:#8f1d23;color:#fff}
@media (max-width:640px){.form-grid{grid-template-columns:minmax(0,1fr)}}

/* Kanban board */
.board{display:grid;grid-template-columns:repeat(5,minmax(230px,1fr));gap:12px;overflow-x:auto;padding-bottom:6px}
.col{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r);padding:8px;display:flex;flex-direction:column;gap:8px;min-height:240px}
.col-h{display:flex;justify-content:space-between;align-items:center;padding:2px 4px 4px}
.card{text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:10px;display:flex;flex-direction:column;gap:6px;cursor:pointer;box-shadow:var(--shadow)}
.card:hover{border-color:var(--accent)}
.card.aog{border-color:var(--warn);box-shadow:inset 0 0 0 1px var(--warn)}
.card-f{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
/* Modal pop-up: centred on desktop, full screen on phones */
.modal-backdrop{position:fixed;inset:0;background:rgba(8,14,22,.55);z-index:50}
.modal{position:fixed;z-index:55;left:50%;top:50%;transform:translate(-50%,-50%);width:min(580px,calc(100vw - 32px));max-height:calc(100dvh - 48px);display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);border-radius:10px;box-shadow:0 24px 64px rgba(0,0,0,.35);overflow:hidden}
.modal.wide{width:min(860px,calc(100vw - 32px))}
.modal-h{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px 10px 18px;background:var(--surface);border-bottom:1px solid var(--line);flex:none}
.modal-title{font-family:var(--f-display);font-weight:600;font-size:1.08rem;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.modal-acts{display:flex;gap:6px;align-items:center;flex:none}
.modal-body{overflow-y:auto;padding:16px 16px 0;overscroll-behavior:contain;flex:1;min-height:0}
.modal-body > .panel{box-shadow:none;margin-bottom:16px}
.modal .form-acts{position:sticky;bottom:0;background:var(--surface);border-top:1px solid var(--line-2);margin-inline:-16px;padding:12px 16px 14px;z-index:1}
.icon-btn{width:36px;height:36px;display:inline-grid;place-items:center;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);cursor:pointer;font-size:.95rem;line-height:1;color:var(--ink)}
.icon-btn:hover{border-color:var(--ink-3)}
body.modal-open{overflow:hidden}
@media (prefers-reduced-motion:no-preference){
  .modal{animation:modal-in .18s ease-out}.modal-backdrop{animation:fade-in .18s ease-out}
  @keyframes modal-in{from{opacity:0;transform:translate(-50%,-47%)}}
  @keyframes fade-in{from{opacity:0}}
}

/* Spec page */
.spec-tree{font-family:var(--f-mono);font-size:.82rem;line-height:1.7;margin:0;white-space:pre;overflow-x:auto;background:var(--surface-2);border:1px solid var(--line-2);border-radius:var(--r);padding:14px 16px}
.spec h3{margin-top:4px}
.spec ul{margin:6px 0 0;padding-left:18px}
.spec li{margin:3px 0}
.spec p{margin:6px 0 0;max-width:72ch}
.wire{display:grid;gap:4px;font-size:.72rem;font-family:var(--f-mono);color:var(--ink-2);margin-top:10px}
.wire div{border:1px dashed var(--line);border-radius:4px;padding:6px 8px;background:var(--surface-2)}
.wire .r2{display:grid;grid-template-columns:1.3fr 1fr;gap:4px}
.wire .r2 div,.wire .r3 div{min-height:44px}
.wire .r3{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}

@media (max-width:1180px){.split{grid-template-columns:minmax(0,1fr)}}
@media (max-width:980px){.g-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* Collapsible side menu (desktop): icon strip with tooltips */
.app{transition:grid-template-columns .2s ease}
.brand-text{min-width:0}
.nav-collapse{margin-left:auto;flex:none;width:28px;height:28px;display:grid;place-items:center;border:1px solid var(--nav-line);border-radius:6px;background:none;color:var(--nav-dim);cursor:pointer}
.nav-collapse:hover{color:#fff;border-color:var(--nav-dim)}
.nav-collapse svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.nav a .lbl{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.app.nav-collapsed{grid-template-columns:68px minmax(0,1fr)}
.nav-collapsed .brand{flex-direction:column;gap:10px;padding:14px 0 12px}
.nav-collapsed .nav-collapse{margin-left:0}
.nav-collapsed .nav-collapse svg{transform:rotate(180deg)}
.nav-collapsed .brand-text,.nav-collapsed .nav-group .eyebrow,.nav-collapsed .nav a .lbl,.nav-collapsed .nav-foot,.nav-collapsed .nav-reset{display:none}
.nav-collapsed .nav-group{padding:8px 10px;border-bottom:1px solid var(--nav-line)}
.nav-collapsed .nav a{justify-content:center;position:relative;padding:10px 0}
.nav-collapsed .nav a .count{position:absolute;top:2px;right:2px;margin:0;padding:0 4px;min-width:16px;font-size:.6rem;line-height:15px;text-align:center}
@media (prefers-reduced-motion:reduce){.app,.nav-collapse svg{transition:none}}

/* Responsive: tablet and phone */
.tabbar,#moreHost,.top-logo{display:none}
@media (max-width:860px){
  .app,.app.nav-collapsed{grid-template-columns:minmax(0,1fr)}
  .nav{display:none}
  .top-logo{display:inline-flex;flex:none}
  /* Bottom icon bar: 5 equal tabs, always fits the screen width */
  .tabbar{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--nav);border-top:1px solid var(--nav-line);
    padding:4px max(4px,env(safe-area-inset-right,0px)) calc(4px + env(safe-area-inset-bottom,0px)) max(4px,env(safe-area-inset-left,0px))}
  .tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:54px;padding:4px 2px;border:0;background:none;color:var(--nav-dim);text-decoration:none;font-size:.68rem;font-weight:500;cursor:pointer;-webkit-tap-highlight-color:transparent}
  .tab[aria-current="page"]{color:#fff}
  .tab-l{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .tab-ic{position:relative;display:grid;place-items:center;width:52px;height:30px;border-radius:15px}
  .tab[aria-current="page"] .tab-ic{background:var(--nav-active)}
  .tab svg,.sheet-tile svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .tab-dot{position:absolute;top:-3px;right:4px;min-width:17px;padding:0 4px;border-radius:9px;background:#2a3d55;color:#dbe6f1;font-family:var(--f-mono);font-size:.6rem;line-height:17px;text-align:center}
  .tab-dot.hot{background:#c0262d;color:#fff}
  /* "More" sheet: the remaining modules as a one-screen grid above the bar */
  #moreHost{display:block}
  .sheet-backdrop{position:fixed;inset:0;background:rgba(8,14,22,.5);z-index:38}
  .sheet{position:fixed;left:0;right:0;bottom:calc(62px + env(safe-area-inset-bottom,0px));z-index:39;background:var(--nav);color:var(--nav-ink);border-radius:16px 16px 0 0;box-shadow:0 -12px 32px rgba(0,0,0,.3);
    padding:14px max(14px,env(safe-area-inset-right,0px)) 12px max(14px,env(safe-area-inset-left,0px))}
  .sheet-h{display:flex;justify-content:space-between;align-items:center;font-family:var(--f-display);font-weight:600;font-size:1rem;color:#fff;margin-bottom:10px}
  .sheet .icon-btn{background:none;border-color:var(--nav-line);color:var(--nav-ink)}
  .sheet-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}
  .sheet-tile{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 2px;border-radius:12px;color:var(--nav-ink);text-decoration:none;font-size:.72rem;line-height:1.2;text-align:center}
  .sheet-tile[aria-current="page"]{background:var(--nav-active);color:#fff}
  .sheet-tile .tab-ic{width:44px;height:36px;border-radius:10px;background:#16273a}
  .sheet-reset{margin-top:10px;padding-top:10px;border-top:1px solid var(--nav-line);font-size:.72rem;color:var(--nav-dim)}
  @media (prefers-reduced-motion:no-preference){.sheet{animation:sheet-up .18s ease-out}@keyframes sheet-up{from{transform:translateY(24px);opacity:.5}}}
  .toast-host{bottom:calc(76px + env(safe-area-inset-bottom,0px))}
  .g-2,.g-3{grid-template-columns:minmax(0,1fr)}
  .top-meta{gap:8px}
  .top-meta .station,.proto-chip{display:none}
  .topbar{top:env(safe-area-inset-top,0px);gap:10px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .content{padding-top:16px;padding-bottom:calc(88px + env(safe-area-inset-bottom,0px));gap:14px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .search kbd{display:none}
  .search input,.field input,.field select,.field textarea{font-size:16px}
  h1{font-size:1.45rem}
  .kpis{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
  .kpi .v{font-size:1.6rem}
  .board{grid-template-columns:repeat(5,minmax(260px,82vw));scroll-snap-type:x mandatory}
  .board .col{scroll-snap-align:start}
  .fleet{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
  th,td{padding:8px 10px}
}
@media (max-width:640px){
  table{font-size:.82rem}
  .row{grid-template-columns:minmax(0,1fr);padding:10px 14px}
  .row > :last-child{justify-self:start}
  .panel-h{padding:10px 14px}
  .panel-b{padding:12px 14px}
  .page-head{align-items:flex-start}
  .toolbar .grow{min-width:100%}
  .tabs button{flex:1;white-space:normal;padding:10px 6px;font-size:.82rem;line-height:1.25}
  .toast-host{left:max(16px,env(safe-area-inset-left,0px))}
  .toast{max-width:none}
  .modal,.modal.wide{left:0;top:0;transform:none;width:100%;height:100%;max-height:none;border:0;border-radius:0;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
  .modal-body{padding:12px 12px 0}
  .modal .form-acts{margin-inline:-12px;padding-inline:12px}
  @keyframes modal-in{from{opacity:0;transform:translateY(16px)}}
}
@media (max-width:420px){
  .kv{grid-template-columns:minmax(0,1fr);gap:2px 0}
  .kv dt{font-size:.76rem;margin-top:6px}
  .top-meta .theme-btn{padding:5px 7px}
}
/* Bigger touch targets on touch screens */
@media (pointer:coarse){
  .btn{min-height:40px}
  .btn.sm{min-height:36px;padding:6px 12px}
  .chip{min-height:38px}
  .tabs button{padding:12px 14px}
  .link{padding-block:4px}
  .check input{width:20px;height:20px}
}
@media (prefers-reduced-motion:no-preference){.toast{animation:tin .18s ease-out}@keyframes tin{from{transform:translateY(6px);opacity:.4}}}