/* ISP Fuel Systems — design system. Light by default; dark via [data-theme="dark"]. */
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700&family=Poppins:wght@500;600;700;800&display=swap');

:root{
  /* light theme (default) */
  --bg:#eef2f8; --surface:#ffffff; --surface-2:#f5f8fc; --surface-3:#e9eef6;
  --border:#dde4ee; --border-2:#c8d3e2;
  --ink:#101a2b; --muted:#51607a; --faint:#8492a8;
  --accent:#0a6cb0; --accent-press:#085a93;
  --energy:#d97a00; --ok:#0f9d6b; --warn:#b45309; --danger:#d23b3b;
  --r:14px; --r-sm:10px; --maxw:1180px;
  --shadow:0 14px 38px -22px rgba(20,40,80,.35);
  --ring:0 0 0 3px rgba(10,108,176,.30);
  --logo-plate:transparent;
  /* logo (light): navy swoosh + blue arc on white */
  --logo-arc-1:#1a5fa6; --logo-arc-2:#7fb8e6;
  --logo-ball-1:#c2c9d1; --logo-ball-2:#4a525b;
  --logo-swoosh:#0c1320; --logo-ring:#3a424d;
}
[data-theme="dark"]{
  --bg:#0a0f1c; --surface:#0f1626; --surface-2:#141d31; --surface-3:#1a2540;
  --border:#1f2c44; --border-2:#2a3a59;
  --ink:#e8eef8; --muted:#9aa9c2; --faint:#62718d;
  --accent:#38bdf8; --accent-press:#0ea5e9;
  --energy:#f5a524; --ok:#34d399; --warn:#fbbf24; --danger:#f87171;
  --shadow:0 18px 50px -24px rgba(0,0,0,.7);
  --ring:0 0 0 3px rgba(56,189,248,.35);
  --logo-plate:#ffffff;   /* white backing so the black-text brand logo stays legible on dark */
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:"Open Sans",system-ui,sans-serif; font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased; transition:background .25s ease, color .25s ease;
  background-image:
    radial-gradient(1100px 520px at 85% -8%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
    radial-gradient(900px 480px at 0% 0%, color-mix(in srgb, var(--energy) 10%, transparent), transparent 55%);
  background-attachment:fixed;
}
h1,h2,h3,h4{font-family:"Poppins",sans-serif; line-height:1.15; margin:0 0 .4em; letter-spacing:-.01em}
a{color:var(--accent); text-decoration:none}
a:hover{color:var(--accent-press)}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px}
.muted{color:var(--muted)} .faint{color:var(--faint)}
.mono{font-family:ui-monospace,"SF Mono",Menlo,monospace}

/* ---------- logo ---------- */
.isp-logo{height:38px; width:auto; display:block; color:var(--ink)}
.brand .plate{background:var(--logo-plate); border-radius:8px; padding:3px 8px; display:flex; align-items:center;
  transition:background .25s ease}
.auth-logo .isp-logo{height:46px}
.auth-logo{display:inline-flex; background:var(--logo-plate); border-radius:10px; padding:6px 12px; margin-bottom:16px}

/* ---------- top nav ---------- */
.nav{position:sticky; top:0; z-index:50; backdrop-filter:blur(12px);
  background:color-mix(in srgb, var(--surface) 85%, transparent); border-bottom:1px solid var(--border)}
/* nav gets a wider container than page content so all links sit on one row */
.nav .wrap{max-width:1400px}
.nav-inner{display:flex; align-items:center; gap:14px; height:66px}
.brand{display:flex; align-items:center; gap:11px; flex:none}
.nav-links{display:flex; gap:1px; margin-left:4px; flex-wrap:wrap}
.nav-links a{color:var(--muted); padding:6px 8px; border-radius:9px; font-size:12.5px; font-weight:600; white-space:nowrap; transition:.18s}
.nav-links a:hover{color:var(--ink); background:var(--surface-2)}
.nav-links a.active{color:var(--ink); background:var(--surface-3)}
.nav-right{margin-left:auto; display:flex; align-items:center; gap:10px}

/* profile menu */
.usermenu{position:relative}
.avatar{width:38px;height:38px;border-radius:50%; display:grid; place-items:center; font-weight:700; font-size:13px;
  background:var(--surface-3); border:1px solid var(--border-2); color:var(--ink); cursor:pointer; transition:.18s}
.avatar:hover{border-color:var(--accent)}
.avatar:focus-visible{outline:none; box-shadow:var(--ring)}
.menu{position:absolute; right:0; top:48px; min-width:230px; background:var(--surface); border:1px solid var(--border);
  border-radius:13px; box-shadow:var(--shadow); padding:8px; opacity:0; transform:translateY(-6px); pointer-events:none;
  transition:opacity .16s ease, transform .16s ease; z-index:60}
.usermenu.open .menu{opacity:1; transform:none; pointer-events:auto}
.menu .who{padding:8px 10px 10px; border-bottom:1px solid var(--border); margin-bottom:6px}
.menu .who .nm{font-weight:600; font-size:14px} .menu .who .em{font-size:12px; color:var(--faint)}
.menu .item{display:flex; align-items:center; gap:10px; width:100%; text-align:left; padding:10px; border-radius:9px;
  font-size:14px; color:var(--ink); background:transparent; border:0; cursor:pointer; font-family:inherit; transition:.15s}
.menu .item:hover{background:var(--surface-2)}
.menu .item svg{width:17px;height:17px;color:var(--muted)}
/* theme switch row */
.themerow{display:flex; align-items:center; justify-content:space-between; padding:8px 10px}
.themerow span{font-size:14px}
.switch{position:relative; width:46px; height:26px; border-radius:99px; background:var(--surface-3); border:1px solid var(--border-2);
  cursor:pointer; transition:.2s; flex:none}
.switch::after{content:""; position:absolute; top:2px; left:2px; width:20px; height:20px; border-radius:50%;
  background:var(--accent); transition:.2s}
[data-theme="dark"] .switch::after{left:22px}

/* ---------- buttons ---------- */
.btn{display:inline-flex; align-items:center; gap:8px; font-family:"Open Sans"; font-weight:600; font-size:15px;
  padding:11px 18px; border-radius:var(--r-sm); border:1px solid transparent; cursor:pointer; transition:.18s; min-height:44px}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--accent); color:#fff}
.btn-primary:hover{background:var(--accent-press)}
.btn-ghost{background:transparent; border-color:var(--border-2); color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent); color:var(--accent)}
.btn:focus-visible{outline:none; box-shadow:var(--ring)}
.btn[disabled]{opacity:.5; cursor:not-allowed}

/* ---------- cards / layout ---------- */
.card{background:var(--surface); border:1px solid var(--border); border-radius:var(--r); padding:24px; box-shadow:var(--shadow)}
.card-2{background:var(--surface-2)}
.grid{display:grid; gap:18px}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.kicker{font-family:ui-monospace,monospace; font-size:12px; letter-spacing:.26em; text-transform:uppercase; color:var(--faint)}
.section{padding:54px 0}
.divider{height:1px;background:var(--border);margin:0}
.badge{display:inline-flex; align-items:center; gap:6px; font-size:12px; font-weight:700; letter-spacing:.04em;
  padding:4px 10px; border-radius:999px; border:1px solid var(--border-2); color:var(--muted)}
.badge.ok{color:var(--ok); border-color:color-mix(in srgb,var(--ok) 45%,transparent)}
.badge.energy{color:var(--energy); border-color:color-mix(in srgb,var(--energy) 45%,transparent)}
.badge.sky{color:var(--accent); border-color:color-mix(in srgb,var(--accent) 45%,transparent)}

/* hero */
.hero{padding:64px 0 28px}
.hero h1{font-size:clamp(34px,5.4vw,60px); font-weight:800}
.hero p.lede{font-size:clamp(16px,2vw,20px); color:var(--muted); max-width:680px}
.statline{display:flex; gap:28px; flex-wrap:wrap; margin-top:26px}
.stat .n{font-family:"Poppins"; font-weight:700; font-size:26px}
.stat .l{font-size:13px; color:var(--faint)}

/* forms */
.field{margin-bottom:16px}
.field label{display:block; font-size:13px; font-weight:600; color:var(--muted); margin-bottom:6px}
.field input{width:100%; background:var(--surface-2); border:1px solid var(--border-2); border-radius:var(--r-sm);
  color:var(--ink); padding:13px 14px; font-size:15px; font-family:"Open Sans"; min-height:46px; transition:.18s}
.field input:focus{outline:none; border-color:var(--accent); box-shadow:var(--ring)}
.field .err{color:var(--danger); font-size:13px; margin-top:6px}
.helptext{color:var(--faint); font-size:12.5px; margin-top:6px}
/* password visibility toggle */
.pw-wrap{position:relative; display:block}
.pw-wrap input{padding-right:46px}
.pw-toggle{position:absolute; right:6px; top:50%; transform:translateY(-50%); background:none; border:0;
  cursor:pointer; color:var(--faint); padding:8px; display:grid; place-items:center; border-radius:8px}
.pw-toggle:hover{color:var(--ink)}
.pw-toggle:focus-visible{outline:none; box-shadow:var(--ring)}
.pw-toggle svg{width:20px;height:20px}

/* auth shell */
.auth-wrap{min-height:100dvh; display:grid; place-items:center; padding:24px}
.auth-card{width:100%; max-width:418px}

/* messages */
.msgs{position:fixed; top:80px; right:18px; z-index:80; display:flex; flex-direction:column; gap:10px; max-width:360px}
.msg{padding:12px 16px; border-radius:var(--r-sm); border:1px solid var(--border-2); background:var(--surface); font-size:14px;
  box-shadow:var(--shadow); animation:slidein .35s ease}
.msg.error{border-color:color-mix(in srgb,var(--danger) 55%,transparent)}
.msg.success{border-color:color-mix(in srgb,var(--ok) 55%,transparent)}
.msg.info{border-color:color-mix(in srgb,var(--accent) 55%,transparent)}
@keyframes slidein{from{opacity:0;transform:translateX(12px)}to{opacity:1;transform:none}}

/* gallery */
.tiles{display:grid; grid-template-columns:repeat(auto-fill,minmax(230px,1fr)); gap:16px}
.tile{background:var(--surface); border:1px solid var(--border); border-radius:var(--r); overflow:hidden; transition:.18s; display:block}
.tile:hover{border-color:var(--accent); transform:translateY(-3px); box-shadow:var(--shadow)}
.tile .thumb{aspect-ratio:4/3; background:var(--surface-3); display:grid; place-items:center; color:var(--faint); overflow:hidden}
.tile .thumb img{width:100%;height:100%;object-fit:cover}
.tile .meta{padding:13px 15px}
.tile .meta .t{font-weight:600; font-size:14.5px; line-height:1.3}
.filters{display:flex; gap:8px; flex-wrap:wrap; margin:8px 0 22px}
.filters a{font-size:13px; font-weight:600; padding:7px 14px; border-radius:999px; border:1px solid var(--border-2); color:var(--muted)}
.filters a.active{background:var(--surface-3); color:var(--ink)}

/* agent chat */
.chat{display:flex; flex-direction:column; gap:14px; min-height:280px}
.bubble{max-width:80%; padding:14px 17px; border-radius:14px; font-size:15px; white-space:pre-wrap; line-height:1.55}
.bubble.user{align-self:flex-end; background:var(--accent); color:#fff; font-weight:500}
.bubble.bot{align-self:flex-start; background:var(--surface-2); border:1px solid var(--border)}
.bubble.bot .src{margin-top:10px; font-size:12px; color:var(--faint)}
.askbar{display:flex; gap:10px; margin-top:18px}
.askbar input{flex:1}
.suggest{display:flex; gap:8px; flex-wrap:wrap; margin-top:14px}
.suggest button{font-size:13px; color:var(--muted); background:var(--surface-2); border:1px solid var(--border);
  border-radius:999px; padding:7px 13px; cursor:pointer; transition:.18s}
.suggest button:hover{border-color:var(--accent); color:var(--ink)}
.spinner{width:16px;height:16px;border:2px solid var(--border-2);border-top-color:var(--accent);border-radius:50%;
  display:inline-block;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* value-add */
.va{border-left:3px solid var(--border-2); padding:16px 20px; border-radius:0 var(--r-sm) var(--r-sm) 0; background:var(--surface); box-shadow:var(--shadow)}
.va.client{border-left-color:var(--energy)} .va.proposed{border-left-color:var(--accent)} .va.risk{border-left-color:var(--danger)}
.va h4{margin:6px 0 6px; font-size:17px}
.va p{margin:0; color:var(--muted); font-size:14.5px}
.cl{margin:8px 0 0; padding-left:18px; color:var(--muted); font-size:14px; line-height:1.65}
.cl li{margin:4px 0}

/* ---- Project Files: search, tabs, tree ---- */
.filesearch{display:flex; align-items:center; gap:10px; margin:20px 0; background:var(--surface);
  border:1px solid var(--border-2); border-radius:var(--r-sm); padding:6px 6px 6px 14px; box-shadow:var(--shadow)}
.filesearch:focus-within{border-color:var(--accent); box-shadow:var(--ring)}
.filesearch > svg{width:20px;height:20px;color:var(--faint);flex:none}
.filesearch input{flex:1; border:0; background:transparent; color:var(--ink); font-size:15px; font-family:"Open Sans"; padding:10px 4px; min-height:40px}
.filesearch input:focus{outline:none}

.tabs{display:flex; gap:6px; border-bottom:1px solid var(--border); margin:6px 0 18px}
.tabbtn{font-family:"Open Sans"; font-weight:600; font-size:15px; color:var(--muted); background:none; border:0;
  border-bottom:2px solid transparent; padding:11px 16px; cursor:pointer; margin-bottom:-1px; display:flex; align-items:center; gap:8px}
.tabbtn:hover{color:var(--ink)}
.tabbtn.active{color:var(--ink); border-bottom-color:var(--accent)}
.tabbtn .cnt{font-size:11px; font-weight:700; color:var(--faint); background:var(--surface-3); border-radius:99px; padding:1px 8px}
.tabpanel{display:none}
.tabpanel.active{display:block; animation:fadein .2s ease}
@keyframes fadein{from{opacity:0}to{opacity:1}}

/* tree */
.tree{list-style:none; margin:0; padding-left:0}
.tree .tree{padding-left:20px; border-left:1px solid var(--border); margin-left:9px}
.tree li{padding:1px 0}
.tree details > summary{display:flex; align-items:center; gap:8px; cursor:pointer; padding:5px 6px; border-radius:7px;
  font-weight:600; font-size:14px; list-style:none}
.tree details > summary::-webkit-details-marker{display:none}
.tree details > summary:hover{background:var(--surface-2)}
.tree details > summary::before{content:"▸"; color:var(--faint); font-size:11px; transition:transform .15s}
.tree details[open] > summary::before{transform:rotate(90deg)}
.tree .ic-folder{width:16px;height:16px;color:var(--energy);flex:none}
.tree .cnt{margin-left:auto; font-size:11px; color:var(--faint); background:var(--surface-3); border-radius:99px; padding:1px 8px}
.tree .leaf{display:flex; align-items:center; gap:8px; padding:4px 6px 4px 22px; border-radius:7px}
.tree .leaf:hover{background:var(--surface-2)}
.tree .leaf a{display:flex; align-items:center; gap:9px; color:var(--ink); flex:1; min-width:0}
.tree .leaf .fname{white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.tree .leaf .sz{font-size:11.5px; color:var(--faint); flex:none}
.tree .tag-open{font-size:10px; font-weight:700; color:var(--accent); border:1px solid color-mix(in srgb,var(--accent) 40%,transparent); border-radius:99px; padding:0 7px; flex:none}
.ext{font-size:9.5px; font-weight:800; letter-spacing:.03em; color:#fff; background:var(--faint); border-radius:4px;
  padding:2px 5px; min-width:34px; text-align:center; flex:none}
.ext-pdf{background:#d23b3b}.ext-dwg{background:#0a6cb0}.ext-jpg,.ext-jpeg,.ext-png{background:#0f9d6b}
.ext-doc,.ext-docx{background:#2b579a}.ext-xls,.ext-xlsx{background:#1d7044}.ext-msg{background:#7a5cff}.ext-zip{background:#b06a00}

/* search results */
.srlist{display:flex; flex-direction:column; gap:10px; margin-top:12px}
.sr{display:block; border:1px solid var(--border); border-radius:var(--r-sm); padding:13px 15px; background:var(--surface-2); transition:.15s}
.sr:hover{border-color:var(--accent)}
.sr-head{display:flex; align-items:center; justify-content:space-between; gap:10px}
.sr-title{font-weight:600; color:var(--ink)}
.sr-path{font-family:ui-monospace,monospace; font-size:11.5px; color:var(--faint); margin-top:3px}
.sr-snip{font-size:13px; color:var(--muted); margin-top:7px; line-height:1.5}

/* ---- System Tour (animated schematic) ---- */
.tour-hero{margin:22px 0 6px}
.tour-hero img{width:100%; height:auto; display:block; border-radius:var(--r); border:1px solid var(--border); box-shadow:var(--shadow)}
.tour-hero figcaption{color:var(--faint); font-size:12.5px; margin-top:8px; max-width:760px}
.tour-bar{display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; margin:18px 0}
.seg{display:inline-flex; background:var(--surface-2); border:1px solid var(--border-2); border-radius:999px; padding:4px}
.segbtn{border:0; background:none; color:var(--muted); font-weight:600; font-size:14px; padding:9px 16px; border-radius:999px; cursor:pointer; font-family:inherit; transition:.15s}
.segbtn.active{background:var(--accent); color:#fff}
.chips{display:flex; gap:8px; flex-wrap:wrap}
.chip .v i{font-style:normal; font-weight:700; color:var(--ink)}
.chip .v .v-run{display:none}
.state-running .chip .v-sb{display:none}
.state-running .chip .v .v-run{display:inline}
.chip .v .on{color:var(--ok)}
.state-running .chip .v-run:not(.on){color:var(--accent)}
.diagram{padding:14px}
.schematic{width:100%; height:auto; display:block}
.schematic text{font-family:"Open Sans",sans-serif}
.lbl{fill:var(--ink); font-size:13px; font-weight:600}
.lbl-faint{fill:var(--faint); font-size:11px; letter-spacing:.1em}
.comp{cursor:pointer}
.comp .body{fill:var(--surface-2); stroke:var(--border-2); stroke-width:2; transition:stroke .2s}
.comp .sub{fill:var(--surface-3)}
.sub-l{stroke:var(--faint); stroke-width:2}
.risebody{fill:var(--surface-3); stroke:var(--border-2)}
.pipe{fill:none; stroke:var(--border-2); stroke-width:6; stroke-linejoin:round; stroke-linecap:round}
.pipe-glow{fill:none; stroke:var(--accent); stroke-width:6; stroke-linejoin:round; stroke-linecap:round; opacity:0; transition:opacity .3s}
.state-running .flow-supplyline{opacity:.16}
.state-running .flow-feedline{opacity:.16; stroke:var(--energy)}
.mk{fill:var(--accent); stroke:var(--bg); stroke-width:2}
.mkn{fill:#fff; font-size:12px; font-weight:800; text-anchor:middle; pointer-events:none}
.comp.sel .body{stroke:var(--accent); stroke-width:3}
.comp.sel{filter:drop-shadow(0 6px 16px color-mix(in srgb,var(--accent) 45%,transparent))}
.level{fill:color-mix(in srgb,var(--energy) 65%, var(--surface-3)); transform-box:fill-box; transform-origin:center bottom}
.state-running .level{animation-name:drawdown; animation-duration:6s; animation-timing-function:ease-in-out; animation-iteration-count:infinite}
@keyframes drawdown{0%{transform:scaleY(1)}30%{transform:scaleY(.5)}48%{transform:scaleY(.85)}72%{transform:scaleY(.55)}100%{transform:scaleY(1)}}
.sensor{fill:var(--ok); stroke:var(--surface); stroke-width:2}
.rotor{fill:none; stroke:var(--border-2); stroke-width:2}
.rotor-b{stroke:var(--faint); stroke-width:2}
.state-running .body{}
.state-running #comp-generator .body,.state-running #comp-pump .body{stroke:var(--accent)}
.state-running .rotor{stroke:var(--accent)}
.state-running .rotor-b{stroke:var(--accent); transform-box:fill-box; transform-origin:center; animation-name:spin; animation-duration:.8s; animation-timing-function:linear; animation-iteration-count:infinite}
.fp{opacity:0}
@keyframes flow{from{offset-distance:0%}to{offset-distance:100%}}
.fp-supply{fill:var(--accent)} .fp-feed{fill:var(--energy)} .fp-polish{fill:#4f9fd4}
.state-running .fp-supply{opacity:1; animation-name:flow; animation-duration:2.6s; animation-timing-function:linear; animation-iteration-count:infinite}
.state-running .fp-feed{opacity:1; animation-name:flow; animation-duration:2s; animation-timing-function:linear; animation-iteration-count:infinite}
.state-standby .fp-polish{opacity:.85; animation-name:flow; animation-duration:5s; animation-timing-function:linear; animation-iteration-count:infinite}
.legend{display:flex; flex-wrap:wrap; gap:8px; margin:16px 0}
.lg{display:inline-flex; align-items:center; gap:8px; border:1px solid var(--border-2); background:var(--surface); border-radius:99px; padding:7px 14px; font-size:13.5px; color:var(--ink); cursor:pointer; font-family:inherit; transition:.15s}
.lg:hover{border-color:var(--accent)}
.lg.active{border-color:var(--accent); background:color-mix(in srgb,var(--accent) 12%, var(--surface))}
.lgn{width:20px;height:20px;border-radius:50%;background:var(--accent);color:#fff;font-size:12px;font-weight:800;display:grid;place-items:center;flex:none}
.tourinfo{margin-top:4px}

/* ---- Submittals & Closeout Desk ---- */
.desk-stats{gap:12px}
.desk-stat{background:var(--surface); border:1px solid var(--border); border-radius:var(--r-sm); padding:12px 18px; box-shadow:var(--shadow); min-width:120px}
.desk-stat .n{display:block; font-family:"Poppins"; font-weight:700; font-size:26px; line-height:1}
.desk-stat .l{font-size:12px; color:var(--faint)}
.desk-stat.warn{border-color:color-mix(in srgb,var(--energy) 55%,transparent)}
.desk-stat.warn .n{color:var(--energy)}

.desk{display:grid; grid-template-columns:308px 1fr; gap:18px; align-items:start}
.reclist{padding:10px; max-height:760px; overflow:auto}
.reclist-head{font-family:ui-monospace,monospace; font-size:11px; text-transform:uppercase; letter-spacing:.12em; color:var(--faint); padding:8px 8px 10px}
.rec{display:block; width:100%; text-align:left; background:var(--surface-2); border:1px solid var(--border); border-radius:var(--r-sm); padding:11px 13px; margin-bottom:8px; cursor:pointer; font-family:inherit; transition:.15s}
.rec:hover{border-color:var(--accent)}
.rec.active{border-color:var(--accent); border-left:3px solid var(--accent); background:var(--surface)}
.rec-top{display:flex; align-items:center; justify-content:space-between; gap:8px; margin-bottom:7px}
.rec-nm{font-family:"Poppins"; font-weight:600; font-size:15px; line-height:1.2; color:var(--ink)}
.rec-meta{display:flex; align-items:baseline; justify-content:space-between; gap:8px; font-size:12px; color:var(--muted); margin-top:5px}
.rec-stage{font-family:ui-monospace,monospace; font-size:11px; color:var(--faint); flex:none}
.flag{font-family:ui-monospace,monospace; font-size:11px; font-weight:700}
.flag.due{color:var(--energy)} .flag.over{color:var(--danger)}

.desk-detail{padding:0; overflow:hidden}
.detail-head{display:flex; align-items:flex-start; justify-content:space-between; gap:18px; flex-wrap:wrap; padding:22px 24px 16px; border-bottom:1px solid var(--border)}
.detail-nm{font-family:"Poppins"; font-weight:700; font-size:24px; margin:10px 0 4px; letter-spacing:-.01em}
.detail-sub{font-size:14px; max-width:520px}
.detail-site{font-size:12px; margin-top:6px}
.steps{display:flex; align-items:center; gap:4px; flex-wrap:wrap}
.step{display:inline-flex; align-items:center; gap:6px; background:transparent; border:1px solid var(--border-2); border-radius:999px; padding:6px 12px; font-family:inherit; font-size:13px; font-weight:600; color:var(--muted); cursor:pointer; transition:.15s}
.step:hover{border-color:var(--accent); color:var(--ink)}
.step.on{background:var(--accent); border-color:var(--accent); color:#fff}
.step.done{color:var(--accent); border-color:color-mix(in srgb,var(--accent) 45%,transparent)}
.step-dot{font-size:11px} .step-sep{color:var(--border-2); flex:none}

.desk-tabs{margin:0; padding:0 24px}
.desk-pane{padding:22px 24px}
.desk-note{font-size:13px; color:var(--muted); margin-bottom:16px}
.desk-note code{background:var(--surface-2); border:1px solid var(--border); padding:1px 6px; border-radius:6px; font-size:12px}
.desk-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.desk-field{margin-bottom:0}
.desk-field.wide{grid-column:1/-1}
.desk-field > span{display:block; font-size:12px; font-weight:600; color:var(--muted); margin-bottom:6px}
.field-in{width:100%; background:var(--surface-2); border:1px solid var(--border-2); border-radius:var(--r-sm); color:var(--ink); padding:11px 12px; font-size:14px; font-family:"Open Sans"; transition:.18s}
.field-in:focus{outline:none; border-color:var(--accent); box-shadow:var(--ring)}
.field-in.missing{border-color:color-mix(in srgb,var(--energy) 50%,transparent); background:color-mix(in srgb,var(--energy) 7%,var(--surface-2))}
textarea.field-in{resize:vertical; line-height:1.5}

.doc-bar{display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap; margin-bottom:16px}
.doc-status{font-family:ui-monospace,monospace; font-size:13px; font-weight:600}
.doc-status.ok{color:var(--ok)} .doc-status.warn{color:var(--energy)}
.doc-copy{padding:8px 14px; min-height:0; font-size:13px}
.doc{background:var(--surface-2); border:1px solid var(--border); border-top:3px solid var(--accent); border-radius:var(--r-sm);
  padding:26px 30px; font-size:13.5px; line-height:1.8; white-space:pre-wrap; box-shadow:var(--shadow); max-width:820px}
.merge{background:color-mix(in srgb,var(--accent) 16%,var(--surface)); color:var(--accent-press); padding:0 4px; border-radius:4px; font-weight:600}
.merge.gap{background:color-mix(in srgb,var(--energy) 18%,var(--surface)); color:var(--warn)}
[data-theme="dark"] .merge{color:var(--accent)} [data-theme="dark"] .merge.gap{color:var(--energy)}
@media(max-width:900px){ .desk{grid-template-columns:1fr} .reclist{max-height:300px} }

footer.ft{border-top:1px solid var(--border); padding:40px 0 60px; color:var(--faint); font-size:13.5px; margin-top:40px}

@media (prefers-reduced-motion: reduce){*{animation:none!important; transition:none!important}}

/* ===================== MOBILE ===================== */
.navtoggle{display:none; align-items:center; justify-content:center; width:42px; height:42px;
  border:1px solid var(--border-2); background:var(--surface); color:var(--ink); border-radius:10px; cursor:pointer}
.navtoggle svg{width:22px; height:22px}
.navtoggle:focus-visible{outline:none; box-shadow:var(--ring)}

@media (max-width: 920px){
  .wrap{padding:0 16px}
  .navtoggle{display:inline-flex}
  .nav-links{position:absolute; left:0; right:0; top:65px; display:none; flex-direction:column; gap:2px;
    background:var(--surface); border-bottom:1px solid var(--border); box-shadow:var(--shadow);
    padding:10px 16px 18px; max-height:calc(100dvh - 65px); overflow:auto; z-index:55}
  .nav.open .nav-links{display:flex}
  .nav-links a{padding:13px 14px; font-size:16px; border-radius:10px}
  .nav-links a.active{background:var(--surface-3)}
  .section{padding:38px 0}
  .hero{padding:40px 0 18px}
  /* keep the schematic legible by letting it scroll instead of shrinking text */
  .diagram{overflow-x:auto; -webkit-overflow-scrolling:touch}
  .schematic{min-width:640px}
  .card .tree{overflow-x:auto}
  .tree .tree{padding-left:14px}
  .filesearch{flex-wrap:wrap}
  .filesearch input{flex:1 1 100%; order:2; padding-left:0}
  .filesearch > svg{order:1}
  table{font-size:13.5px}
  .statline{gap:18px}
  .grid{gap:14px}
}
@media (max-width: 480px){
  .isp-logo{height:30px}
  .nav-inner{gap:10px; height:60px}
  .nav-links{top:59px}
  h1{letter-spacing:-.02em}
  .chip{font-size:11.5px; padding:4px 9px}
  .tour-bar{gap:10px}
  .seg{width:100%; justify-content:center}
  .segbtn{flex:1; text-align:center}
  .bubble{max-width:92%}
  .btn{width:auto}
  .auth-card{max-width:100%}
}

/* ---- control panel / permission manager ---- */
.select{width:100%; background:var(--surface-2); border:1px solid var(--border-2); border-radius:var(--r-sm);
  color:var(--ink); padding:12px 14px; font-size:15px; font-family:"Open Sans"; min-height:46px}
.select:focus{outline:none; border-color:var(--accent); box-shadow:var(--ring)}
.chk{display:inline-flex; align-items:center; gap:9px; font-size:14.5px; color:var(--ink); cursor:pointer}
.chk input{width:17px; height:17px; accent-color:var(--accent)}
.chk.strong{font-weight:700; font-size:15.5px}
.permblock{border:1px solid var(--border); border-radius:var(--r-sm); padding:14px 16px; margin-top:12px; background:var(--surface-2)}
.permscope{display:flex; flex-direction:column; gap:8px; margin-top:10px; padding-left:26px; transition:opacity .15s}
.folders{display:flex; flex-wrap:wrap; gap:8px 16px; margin-top:4px; padding:8px 0 2px}
.fchk{display:inline-flex; align-items:center; gap:7px; font-size:13px; color:var(--muted); cursor:pointer}
.fchk input{width:15px; height:15px; accent-color:var(--accent)}