/* ============================================================
   hub.css — Tim Woodring internal hub
   Design language: "Heritage + Instrument"
   Editorial serif masthead + monospace instrument panel.
   Deliberately NOT the public site's warm-cream default.
   Single source of truth for all hub chrome.
   ============================================================ */

:root {
  /* Canvas — cooler, more intentional paper than the public site's #FAF6EC */
  --paper:        #F2EFE8;
  --paper-raised: #FBFAF6;
  --panel:        #FFFFFF;

  /* Ink — the ACTUAL logo black (#1A1A1A / #231f20), not the site navy */
  --ink:    #1A1A1A;
  --ink-2:  #57534E;
  --ink-3:  #8E8A83;
  --line:   rgba(26,26,26,0.12);
  --line-2: rgba(26,26,26,0.06);

  /* Instrument rail — dark anchor, echoes the W seal */
  --rail:         #161514;
  --rail-ink:     #E9E5DC;
  --rail-ink-dim: rgba(233,229,220,0.52);
  --rail-line:    rgba(233,229,220,0.10);

  /* Signal colors — used sparingly, as instrumentation not decoration */
  --signal: #D9622C;   /* brand orange — active, alerts */
  --ok:     #5C9A78;
  --warn:   #C8881C;
  --bad:    #C0492B;
  --info:   #3F6F8F;

  /* Type */
  --serif: 'Fraunces', Georgia, serif;
  --sans:  'Instrument Sans', system-ui, -apple-system, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, Menlo, monospace;

  /* Metrics */
  --rail-w:   72px;
  --rail-w-open: 256px;
  --radius:   8px;
  --radius-sm: 5px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
::selection { background: rgba(217,98,44,0.22); }

/* ---- Monospace instrument label ---- */
.label {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ============ LAYOUT ============ */
.shell { display: flex; min-height: 100vh; }

/* ============ RAIL ============ */
.rail {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--rail-w);
  background: var(--rail);
  color: var(--rail-ink);
  display: flex; flex-direction: column;
  z-index: 50;
  transition: width 220ms cubic-bezier(.4,0,.2,1);
  overflow: hidden;
}
.rail.open { width: var(--rail-w-open); }
/* hover-peek when collapsed (not pinned open) */
.rail:not(.open):hover { width: var(--rail-w-open); box-shadow: 24px 0 48px rgba(0,0,0,0.18); }

.rail-head {
  height: 72px; flex-shrink: 0;
  display: flex; align-items: center; gap: 14px;
  padding: 0 18px;
  border-bottom: 1px solid var(--rail-line);
}
.rail-seal { width: 36px; height: 36px; flex-shrink: 0; border-radius: 50%; display: block; }
.rail-wordmark {
  font-family: var(--serif); font-weight: 600; font-size: 18px;
  letter-spacing: 0.01em; white-space: nowrap;
  opacity: 0; transition: opacity 160ms; color: var(--rail-ink);
}
.rail.open .rail-wordmark, .rail:not(.open):hover .rail-wordmark { opacity: 1; }

.rail-nav { flex: 1; padding: 14px 12px; display: flex; flex-direction: column; gap: 3px; overflow-y: auto; }
.rail-nav::-webkit-scrollbar { width: 0; }
.rail-section {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--rail-ink-dim); padding: 16px 12px 7px; white-space: nowrap;
  opacity: 0; transition: opacity 160ms;
}
.rail.open .rail-section, .rail:not(.open):hover .rail-section { opacity: 1; }

.nav-item {
  display: flex; align-items: center; gap: 14px;
  height: 44px; padding: 0 13px; border-radius: var(--radius-sm);
  color: var(--rail-ink-dim);
  transition: background 140ms, color 140ms;
  white-space: nowrap; position: relative;
}
.nav-item:hover { background: rgba(233,229,220,0.07); color: var(--rail-ink); }
.nav-item.active { background: rgba(233,229,220,0.10); color: var(--rail-ink); }
.nav-item.active::before {
  content: ''; position: absolute; left: -12px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 22px; background: var(--signal); border-radius: 0 3px 3px 0;
}
.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; stroke-width: 1.6; }
.nav-item .nav-label {
  font-size: 14px; font-weight: 500; opacity: 0; transition: opacity 160ms;
}
.rail.open .nav-item .nav-label, .rail:not(.open):hover .nav-item .nav-label { opacity: 1; }
.nav-item .nav-badge {
  margin-left: auto; font-family: var(--mono); font-size: 10px; font-weight: 600;
  background: var(--signal); color: #fff; border-radius: 100px; padding: 1px 7px;
  opacity: 0; transition: opacity 160ms;
}
.rail.open .nav-badge, .rail:not(.open):hover .nav-badge { opacity: 1; }

.rail-foot { flex-shrink: 0; padding: 12px; border-top: 1px solid var(--rail-line); }
.rail-toggle {
  display: flex; align-items: center; gap: 14px; width: 100%;
  height: 40px; padding: 0 13px; border: none; cursor: pointer;
  background: transparent; color: var(--rail-ink-dim); border-radius: var(--radius-sm);
  transition: background 140ms, color 140ms;
}
.rail-toggle:hover { background: rgba(233,229,220,0.07); color: var(--rail-ink); }
.rail-toggle svg { width: 20px; height: 20px; flex-shrink: 0; transition: transform 220ms; }
.rail.open .rail-toggle svg { transform: rotate(180deg); }
.rail-toggle .nav-label { font-size: 13px; opacity: 0; transition: opacity 160ms; }
.rail.open .rail-toggle .nav-label, .rail:not(.open):hover .rail-toggle .nav-label { opacity: 1; }

/* ============ MAIN ============ */
.main { flex: 1; margin-left: var(--rail-w); min-width: 0; transition: margin-left 220ms cubic-bezier(.4,0,.2,1); }
.rail.open ~ .main { margin-left: var(--rail-w-open); }

.topbar {
  height: 72px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 36px; background: var(--paper);
  position: sticky; top: 0; z-index: 20;
}
.topbar-titles { display: flex; flex-direction: column; gap: 1px; }
.topbar h1 { font-family: var(--serif); font-weight: 600; font-size: 23px; letter-spacing: -0.01em; }
.topbar .crumb { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-3); }
.topbar-right { display: flex; align-items: center; gap: 18px; }
.clock { font-family: var(--mono); font-size: 12px; color: var(--ink-2); }
.avatar {
  width: 34px; height: 34px; border-radius: 50%; background: var(--ink); color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-weight: 600; font-size: 14px;
}

.page { padding: 36px; max-width: 1280px; }
.page-intro { margin-bottom: 30px; max-width: 760px; }
.page-intro .label { display: block; margin-bottom: 12px; color: var(--signal); }
.page-intro h2 { font-family: var(--serif); font-weight: 600; font-size: 34px; line-height: 1.12; letter-spacing: -0.015em; margin-bottom: 12px; }
.page-intro p { color: var(--ink-2); font-size: 15.5px; }

/* ============ COMPONENTS ============ */
.grid { display: grid; gap: 18px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px;
}
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.panel-head h3 { font-family: var(--serif); font-weight: 600; font-size: 17px; }

/* stat tile */
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.stat .k { font-family: var(--serif); font-weight: 600; font-size: 38px; line-height: 1; letter-spacing: -0.02em; }
.stat .k .unit { font-family: var(--mono); font-size: 13px; color: var(--ink-3); font-weight: 500; margin-left: 4px; }
.stat .v { margin-top: 8px; }
.stat .delta { font-family: var(--mono); font-size: 11px; margin-top: 6px; }
.stat .delta.up { color: var(--ok); } .stat .delta.down { color: var(--bad); }

/* status pill */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 10.5px; font-weight: 500; letter-spacing: 0.04em;
  padding: 3px 9px; border-radius: 100px; border: 1px solid var(--line);
}
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ink-3); }
.pill.ok   { color: var(--ok);   border-color: rgba(92,154,120,0.35); } .pill.ok .dot { background: var(--ok); }
.pill.warn { color: var(--warn); border-color: rgba(200,136,28,0.35); } .pill.warn .dot { background: var(--warn); }
.pill.bad  { color: var(--bad);  border-color: rgba(192,73,43,0.35); }  .pill.bad .dot { background: var(--bad); }

/* channel row */
.chan { display: flex; align-items: center; gap: 14px; padding: 13px 0; border-top: 1px solid var(--line-2); }
.chan:first-of-type { border-top: none; }
.chan-mark { width: 34px; height: 34px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-family: var(--mono); font-weight: 700; font-size: 13px; color: #fff; }
.chan-body { flex: 1; min-width: 0; }
.chan-body .name { font-weight: 600; font-size: 14px; }
.chan-body .meta { font-family: var(--mono); font-size: 11px; color: var(--ink-3); margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* table */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th { font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); font-weight: 500; }
.tbl td { padding: 13px 14px; border-bottom: 1px solid var(--line-2); font-size: 13.5px; vertical-align: top; }
.tbl tr:hover td { background: rgba(26,26,26,0.015); }

/* stub / empty */
.stub { border: 1px dashed var(--line); border-radius: var(--radius); padding: 40px; text-align: center; color: var(--ink-3); }
.stub .label { display: block; margin-bottom: 8px; }

/* ============ BRAND GUIDELINES specifics ============ */
.swatch-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); gap: 14px; }
.swatch { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.swatch .chip { height: 88px; }
.swatch .info { padding: 10px 12px; }
.swatch .info .nm { font-weight: 600; font-size: 13px; }
.swatch .info .hex { font-family: var(--mono); font-size: 11px; color: var(--ink-3); text-transform: uppercase; }
.type-specimen { border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; background: var(--panel); margin-bottom: 14px; }
.type-specimen .meta { display: flex; justify-content: space-between; margin-bottom: 14px; }
.type-specimen .sample { line-height: 1.1; }
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.do-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; background: var(--panel); }
.do-card .tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 600; }
.do-card.do .tag { color: var(--ok); } .do-card.dont .tag { color: var(--bad); }
.do-card ul { list-style: none; margin-top: 10px; }
.do-card li { font-size: 13.5px; color: var(--ink-2); padding: 5px 0 5px 18px; position: relative; }
.do-card li::before { content: ''; position: absolute; left: 0; top: 11px; width: 6px; height: 6px; border-radius: 50%; }
.do-card.do li::before { background: var(--ok); } .do-card.dont li::before { background: var(--bad); }

/* ============ AUTH GATE ============ */
.gate-ribbon {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 200;
  background: var(--signal); color: #fff; text-align: center;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; padding: 7px;
}
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; background: var(--rail); }
.login-card { width: 100%; max-width: 400px; background: var(--paper); border-radius: 14px; padding: 40px; }
.login-card .seal { width: 52px; height: 52px; margin-bottom: 24px; }
.login-card h1 { font-family: var(--serif); font-weight: 600; font-size: 26px; margin-bottom: 6px; }
.login-card p { color: var(--ink-2); font-size: 14px; margin-bottom: 24px; }
.login-card input { width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: var(--radius); font-family: var(--sans); font-size: 15px; margin-bottom: 12px; }
.login-card input:focus { outline: none; border-color: var(--ink); }
.login-card button { width: 100%; padding: 13px; border: none; border-radius: var(--radius); background: var(--ink); color: var(--paper); font-family: var(--sans); font-weight: 600; font-size: 14px; cursor: pointer; }
.login-card button:hover { background: #000; }
.login-msg { font-family: var(--mono); font-size: 12px; margin-top: 14px; text-align: center; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1000px) { .grid.cols-4 { grid-template-columns: repeat(2,1fr); } .grid.cols-3 { grid-template-columns: 1fr; } }
@media (max-width: 760px) {
  .rail { transform: translateX(-100%); transition: transform 220ms; width: var(--rail-w-open); }
  .rail.mobile-open { transform: translateX(0); }
  .main, .rail.open ~ .main { margin-left: 0; }
  .grid.cols-2, .grid.cols-4 { grid-template-columns: 1fr; }
  .page, .topbar { padding-left: 20px; padding-right: 20px; }
  .dos { grid-template-columns: 1fr; }
}