/* ==========================================================================
   DocFoundry — customer application
   Extends the marketing site's engineering-drawing language into a working
   document-control console. Paper, ink, brass, seal red; precise borders;
   registration marks; nothing decorative that isn't also functional.
   ========================================================================== */
:root{
  --paper:#F4EEDD; --paper-2:#EBE2C8; --paper-3:#E2D7BC;
  --ink:#14213D; --ink-80:rgba(20,33,61,0.82); --ink-70:rgba(20,33,61,0.7);
  --ink-45:rgba(20,33,61,0.45); --ink-20:rgba(20,33,61,0.16); --ink-10:rgba(20,33,61,0.08);
  --blue:#3A6EA5; --blue-30:rgba(58,110,165,0.28); --blue-12:rgba(58,110,165,0.12);
  --seal:#9C2B1F; --seal-10:rgba(156,43,31,0.08);
  --brass:#B08D57;
  --live:#2E7D32; --live-10:rgba(46,125,50,0.10); --amber:#B0813A; --amber-10:rgba(176,129,58,0.12);
  --white:#FFFDF7;
  --display:'Archivo',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --sidebar-w:236px;
  --radius:3px;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{-webkit-text-size-adjust:100%;}
body{
  font-family:var(--body); color:var(--ink); background:var(--paper);
  font-size:15px; line-height:1.55; -webkit-font-smoothing:antialiased;
  background-image:
    linear-gradient(var(--ink-10) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-10) 1px, transparent 1px);
  background-size:26px 26px; background-position:-1px -1px;
}
a{color:inherit;}
button{font-family:inherit; cursor:pointer;}
:focus-visible{outline:2px solid var(--blue); outline-offset:2px;}

/* ---------- auth pages (centered card) ---------- */
.auth-shell{min-height:100dvh; display:flex; align-items:center; justify-content:center; padding:28px;}
.auth-card{
  width:100%; max-width:404px; background:var(--white);
  border:1px solid var(--ink); border-radius:var(--radius);
  box-shadow:14px 14px 0 -1px var(--paper-3), 14px 14px 0 0 var(--ink-20);
  padding:38px 34px 34px;
}
.auth-mark{display:flex; align-items:center; gap:9px; text-decoration:none; margin-bottom:26px;}
.auth-mark svg{width:26px; height:26px; flex-shrink:0;}
.auth-mark b{font-family:var(--display); font-weight:700; font-size:16px; letter-spacing:-0.01em;}
.auth-card h1{font-family:var(--display); font-size:23px; font-weight:600; letter-spacing:-0.02em; margin-bottom:5px;}
.auth-card .sub{color:var(--ink-70); font-size:13.5px; margin-bottom:26px;}
.auth-alt{margin-top:20px; font-size:13px; color:var(--ink-70); text-align:center;}
.auth-alt a{color:var(--seal); text-decoration:none; font-weight:500;}

/* ---------- form controls ---------- */
.field{margin-bottom:16px;}
.field label{
  display:block; font-family:var(--mono); font-size:10.5px; letter-spacing:0.09em;
  text-transform:uppercase; color:var(--ink-45); margin-bottom:6px;
}
.input{
  width:100%; background:var(--paper); border:1px solid var(--ink-20); color:var(--ink);
  font-family:var(--body); font-size:14.5px; padding:11px 13px; border-radius:var(--radius);
  transition:border-color .15s ease;
}
.input:focus{outline:none; border-color:var(--blue);}
select.input{appearance:none; background-image:linear-gradient(45deg,transparent 50%,var(--ink-45) 50%),linear-gradient(135deg,var(--ink-45) 50%,transparent 50%); background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%; background-size:5px 5px,5px 5px; background-repeat:no-repeat; padding-right:34px;}
.hint{font-size:12px; color:var(--ink-45); margin-top:6px;}

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--mono); font-size:12.5px; letter-spacing:0.02em;
  padding:11px 20px; border:1px solid var(--ink); background:transparent; color:var(--ink);
  border-radius:var(--radius); text-decoration:none;
  transition:background .16s ease, color .16s ease, transform .16s ease, box-shadow .16s ease;
}
.btn:hover{background:var(--ink); color:var(--paper);}
.btn:disabled{opacity:.5; cursor:not-allowed;}
.btn--primary{background:var(--seal); border-color:var(--seal); color:#fff;}
.btn--primary:hover{background:#822418; border-color:#822418; color:#fff;}
.btn--block{width:100%;}
.btn--sm{padding:8px 14px; font-size:11.5px;}
.btn--ghost{border-color:var(--ink-20); color:var(--ink-70);}
.btn--ghost:hover{background:var(--paper-2); color:var(--ink); border-color:var(--ink-20);}

.alert{
  border:1px solid; border-radius:var(--radius); padding:11px 13px; font-size:13px;
  margin-bottom:16px; display:flex; gap:9px; line-height:1.5;
}
.alert--err{background:var(--seal-10); border-color:rgba(156,43,31,0.3); color:#7d2016;}
.alert--ok{background:var(--live-10); border-color:rgba(46,125,50,0.3); color:#1f5c24;}
.alert--info{background:var(--blue-12); border-color:var(--blue-30); color:#254b73;}

/* ---------- app shell ---------- */
.shell{display:grid; grid-template-columns:var(--sidebar-w) 1fr; min-height:100dvh;}
.side{
  background:var(--white); border-right:1px solid var(--ink);
  padding:20px 0; position:sticky; top:0; height:100dvh;
  display:flex; flex-direction:column;
}
.side__brand{display:flex; align-items:center; gap:9px; padding:4px 20px 22px; text-decoration:none;}
.side__brand svg{width:24px; height:24px;}
.side__brand b{font-family:var(--display); font-weight:700; font-size:15px; letter-spacing:-0.01em;}
.side__nav{display:flex; flex-direction:column; padding:0 12px; gap:2px;}
.side__nav a{
  display:flex; align-items:center; gap:11px; padding:9px 12px; border-radius:var(--radius);
  font-size:13.5px; color:var(--ink-70); text-decoration:none; transition:background .12s, color .12s;
}
.side__nav a svg{width:15px; height:15px; flex-shrink:0; opacity:.75;}
.side__nav a:hover{background:var(--paper-2); color:var(--ink);}
.side__nav a.is-active{background:var(--ink); color:var(--paper);}
.side__nav a.is-active svg{opacity:1;}
.side__nav a.side__nav-signout{display:none;}
.side__foot{margin-top:auto; padding:16px 20px 4px; border-top:1px solid var(--ink-10);}
.side__org{font-family:var(--mono); font-size:10.5px; text-transform:uppercase; letter-spacing:0.06em; color:var(--ink-45); margin-bottom:4px;}
.side__orgname{font-size:13px; font-weight:600; margin-bottom:10px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.side__signout{font-family:var(--mono); font-size:11px; color:var(--ink-45); background:none; border:none; padding:0;}
.side__signout:hover{color:var(--seal);}

.main{padding:34px 40px 80px; max-width:1080px;}
.topbar{display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom:32px; flex-wrap:wrap;}
.sheet-label{display:flex; align-items:baseline; gap:10px; font-family:var(--mono); font-size:10.5px; text-transform:uppercase; letter-spacing:0.1em; color:var(--ink-45); margin-bottom:8px;}
.sheet-label .no{color:var(--seal);}
h1.page-h{font-family:var(--display); font-size:clamp(24px,3vw,32px); font-weight:600; letter-spacing:-0.02em;}
.page-sub{color:var(--ink-70); font-size:14.5px; margin-top:6px; max-width:52ch;}

/* ---------- panels / cards ---------- */
.panel{
  background:var(--white); border:1px solid var(--ink); border-radius:var(--radius);
  padding:22px 24px;
}
.panel__head{display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:16px;}
.panel__head h2{font-family:var(--display); font-size:15px; font-weight:600;}
.grid{display:grid; gap:16px;}
.grid--2{grid-template-columns:1fr 1fr;}
.grid--3{grid-template-columns:repeat(3,1fr);}

/* stat tile */
.stat{border:1px solid var(--ink); border-radius:var(--radius); background:var(--white); padding:18px 20px;}
.stat__k{font-family:var(--mono); font-size:10px; text-transform:uppercase; letter-spacing:0.09em; color:var(--ink-45);}
.stat__v{font-family:var(--display); font-size:27px; font-weight:700; letter-spacing:-0.02em; margin-top:6px;}
.stat__v small{font-family:var(--mono); font-size:12px; font-weight:400; color:var(--ink-45); margin-left:3px;}
.stat__meta{font-size:12px; color:var(--ink-70); margin-top:4px;}

/* usage bar */
.usage{margin-top:12px;}
.usage__track{height:8px; background:var(--paper-2); border:1px solid var(--ink-20); border-radius:99px; overflow:hidden;}
.usage__fill{height:100%; background:var(--live); transition:width .5s ease;}
.usage__fill.is-high{background:var(--amber);}
.usage__fill.is-over{background:var(--seal);}
.usage__cap{display:flex; justify-content:space-between; font-family:var(--mono); font-size:11px; color:var(--ink-45); margin-top:6px;}

/* ---------- data table ---------- */
.tbl-wrap{overflow-x:auto; border:1px solid var(--ink); border-radius:var(--radius);}
table.tbl{width:100%; border-collapse:collapse; background:var(--white); font-size:13.5px;}
.tbl th{
  font-family:var(--mono); font-size:10px; text-transform:uppercase; letter-spacing:0.08em;
  color:var(--ink-45); text-align:left; padding:12px 16px; border-bottom:1px solid var(--ink); background:var(--paper);
}
.tbl td{padding:13px 16px; border-bottom:1px solid var(--ink-10); vertical-align:middle;}
.tbl tr:last-child td{border-bottom:none;}
.tbl tbody tr{transition:background .1s;}
.tbl tbody tr:hover{background:var(--paper-2); cursor:pointer;}
.tbl .doc-name{font-weight:500;}
.tbl .muted{color:var(--ink-45); font-family:var(--mono); font-size:12px;}

/* ---------- status pills ---------- */
.pill{
  display:inline-flex; align-items:center; gap:6px; font-family:var(--mono);
  font-size:10.5px; text-transform:uppercase; letter-spacing:0.05em;
  padding:3px 9px 3px 8px; border-radius:99px; border:1px solid; white-space:nowrap;
}
.pill .dot{width:6px; height:6px; border-radius:50%; background:currentColor;}
.pill--ok{color:var(--live); border-color:rgba(46,125,50,0.35); background:var(--live-10);}
.pill--review{color:var(--amber); border-color:rgba(176,129,58,0.4); background:var(--amber-10);}
.pill--fail{color:var(--seal); border-color:rgba(156,43,31,0.35); background:var(--seal-10);}
.pill--proc{color:var(--blue); border-color:var(--blue-30); background:var(--blue-12);}
.pill--proc .dot{animation:blink 1.1s ease-in-out infinite;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.25;}}

/* ---------- upload / dropzone ---------- */
.drop{
  border:2px dashed var(--ink-20); border-radius:var(--radius); background:var(--white);
  padding:44px 24px; text-align:center; transition:border-color .15s, background .15s;
}
.drop.is-over{border-color:var(--blue); background:var(--blue-12);}
.drop__icon{width:34px; height:34px; margin:0 auto 12px; opacity:.55;}
.drop h3{font-family:var(--display); font-size:16px; font-weight:600; margin-bottom:5px;}
.drop p{color:var(--ink-70); font-size:13px;}
.drop input[type=file]{display:none;}
.filelist{margin-top:16px; display:flex; flex-direction:column; gap:8px;}
.filerow{
  display:flex; align-items:center; gap:10px; background:var(--paper-2);
  border:1px solid var(--ink-20); border-radius:var(--radius); padding:9px 12px; font-size:13px;
}
.filerow .fn{flex:1; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.filerow .fs{font-family:var(--mono); font-size:11px; color:var(--ink-45);}
.filerow button{background:none; border:none; color:var(--ink-45); font-size:15px; line-height:1;}
.filerow button:hover{color:var(--seal);}

/* processing overlay */
.processing{text-align:center; padding:60px 20px;}
.processing .ring{width:46px; height:46px; margin:0 auto 22px; border:3px solid var(--ink-10); border-top-color:var(--seal); border-radius:50%; animation:spin 1s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}
.processing h3{font-family:var(--display); font-size:18px; font-weight:600; margin-bottom:6px;}
.processing p{color:var(--ink-70); font-size:13.5px;}
.processing .steps{margin-top:26px; display:inline-flex; flex-direction:column; gap:10px; text-align:left; font-family:var(--mono); font-size:12px; color:var(--ink-45);}
.processing .steps li{list-style:none; display:flex; align-items:center; gap:9px;}
.processing .steps li.done{color:var(--live);}
.processing .steps li.done::before{content:"✓"; font-weight:700;}
.processing .steps li:not(.done)::before{content:"·"; font-weight:700;}

/* ---------- AUDIT REPORT (the centerpiece) ---------- */
.report-head{
  display:flex; align-items:flex-start; justify-content:space-between; gap:24px;
  border:1px solid var(--ink); border-radius:var(--radius); background:var(--white);
  padding:24px 26px; margin-bottom:22px; position:relative; overflow:hidden;
}
.report-head::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(22px at 0 0,var(--ink-10),transparent 72%),
    radial-gradient(22px at 100% 0,var(--ink-10),transparent 72%),
    radial-gradient(22px at 0 100%,var(--ink-10),transparent 72%),
    radial-gradient(22px at 100% 100%,var(--ink-10),transparent 72%);
}
.report-head__meta{font-family:var(--mono); font-size:11px; color:var(--ink-45); text-transform:uppercase; letter-spacing:0.08em; margin-bottom:10px;}
.report-head h1{font-family:var(--display); font-size:22px; font-weight:600; letter-spacing:-0.02em; margin-bottom:8px;}
.report-head .who{font-size:13.5px; color:var(--ink-70);}
.verdict-stamp{
  flex-shrink:0; text-align:center; border:2.5px solid; border-radius:6px;
  padding:12px 16px; font-family:var(--mono); transform:rotate(-4deg);
}
.verdict-stamp .big{font-size:15px; font-weight:700; letter-spacing:0.06em; line-height:1.1;}
.verdict-stamp .small{font-size:9px; letter-spacing:0.12em; margin-top:4px; opacity:.8;}
.verdict-stamp.v-ok{color:var(--live); border-color:var(--live);}
.verdict-stamp.v-review{color:var(--amber); border-color:var(--amber);}
.verdict-stamp.v-fail{color:var(--seal); border-color:var(--seal);}

.rsec{margin-bottom:22px;}
.rsec__label{
  display:flex; align-items:baseline; gap:10px; font-family:var(--mono); font-size:10.5px;
  text-transform:uppercase; letter-spacing:0.1em; color:var(--ink-45);
  padding-bottom:8px; margin-bottom:14px; border-bottom:1px solid var(--ink-20);
}
.rsec__label .no{color:var(--seal);}

/* math proof rows */
.proof{border:1px solid var(--ink); border-radius:var(--radius); overflow:hidden; background:var(--white);}
.proof-row{display:grid; grid-template-columns:1fr auto; gap:16px; padding:13px 16px; border-bottom:1px solid var(--ink-10); align-items:center;}
.proof-row:last-child{border-bottom:none;}
.proof-row.is-total{background:var(--paper); border-top:1px solid var(--ink); font-weight:600;}
.proof-row .desc{font-size:13.5px;}
.proof-row .calc{font-family:var(--mono); font-size:11.5px; color:var(--ink-45); margin-top:3px;}
.proof-row .vals{display:flex; align-items:center; gap:14px; font-family:var(--mono); font-size:13px;}
.proof-row .vals .printed{color:var(--ink-45);}
.proof-row .vals .arrow{color:var(--ink-20);}
.proof-row.is-discrepancy{background:var(--seal-10);}
.proof-row.is-discrepancy .desc{color:#7d2016;}

/* check list (cross-doc / spreadsheet) */
.checks{display:flex; flex-direction:column; gap:1px; background:var(--ink); border:1px solid var(--ink); border-radius:var(--radius); overflow:hidden;}
.check{background:var(--white); padding:14px 16px; display:grid; grid-template-columns:auto 1fr; gap:12px; align-items:start;}
.check__mark{width:18px; height:18px; border-radius:50%; display:grid; place-items:center; font-size:11px; font-weight:700; color:#fff; margin-top:1px;}
.check__mark.m-ok{background:var(--live);}
.check__mark.m-bad{background:var(--seal);}
.check__mark.m-missing{background:var(--amber);}
.check__body h4{font-family:var(--body); font-size:14px; font-weight:600; margin-bottom:3px;}
.check__body .cmp{font-family:var(--mono); font-size:12px; color:var(--ink-70); line-height:1.6;}
.check__body .cmp b{color:var(--ink);}

/* key-value grid */
.kv{display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:1px; background:var(--ink-20); border:1px solid var(--ink-20); border-radius:var(--radius); overflow:hidden;}
.kv > div{background:var(--white); padding:12px 14px;}
.kv dt{font-family:var(--mono); font-size:10px; text-transform:uppercase; letter-spacing:0.06em; color:var(--ink-45); margin-bottom:3px;}
.kv dd{font-size:13.5px;}

.flag-excerpt{border-left:3px solid var(--seal); background:var(--seal-10); padding:10px 14px; font-size:13px; margin-bottom:8px; border-radius:0 var(--radius) var(--radius) 0;}
.redline{background:var(--paper); border:1px solid var(--ink-20); border-radius:var(--radius); padding:12px 14px; margin-top:8px; font-size:13px;}
.redline .old{color:var(--seal); text-decoration:line-through;}
.redline .new{color:var(--live);}

.empty{text-align:center; padding:56px 24px; color:var(--ink-45);}
.empty svg{width:40px; height:40px; opacity:.4; margin-bottom:14px;}
.empty h3{font-family:var(--display); font-size:17px; color:var(--ink); font-weight:600; margin-bottom:6px;}

.skeleton{background:linear-gradient(90deg,var(--paper-2) 25%,var(--paper-3) 37%,var(--paper-2) 63%); background-size:400% 100%; animation:sk 1.3s ease-in-out infinite; border-radius:var(--radius);}
@keyframes sk{0%{background-position:100% 0;}100%{background-position:-100% 0;}}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .shell{grid-template-columns:1fr;}
  .side{
    position:static; height:auto; flex-direction:row; align-items:center;
    padding:10px 14px; overflow-x:auto; border-right:none; border-bottom:1px solid var(--ink);
  }
  .side__brand{padding:0 14px 0 4px;}
  .side__nav{flex-direction:row; padding:0; gap:2px;}
  .side__nav a span{display:none;}
  .side__nav a{padding:9px;}
  .side__nav a.side__nav-signout{display:flex; margin-left:auto;}
  .side__foot{display:none;}
  .main{padding:24px 18px 70px;}
  .grid--2,.grid--3{grid-template-columns:1fr;}
  .report-head{flex-direction:column-reverse;}
  .verdict-stamp{align-self:flex-start;}
}