/* MES-TWIN plant-floor dashboard.
   Dark by default: these screens live on a factory wall, often in low light,
   and state colour is the primary signal — everything else stays quiet. */

/* Colour lives in themes.css - one place, four palettes. What is left
   here is everything that is not a colour and does not vary by theme. */
:root {
  --radius: 10px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;

  /* Spacing and type scales. Before these existed there were thirteen
     distinct paddings and eleven font sizes in use - every gap a fresh
     invention. New rules reach for a step; old rules migrate as screens are
     touched. */
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;
  --fs-xs: 11px;
  --fs-sm: 13px;
  --fs-base: 15px;
  --fs-lg: 18px;
  --fs-xl: 28px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.hidden { display: none !important; }
.muted { color: var(--muted); font-weight: 400; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- Login ---------- */
.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(1200px 600px at 50% -10%, var(--glow) 0%, var(--bg) 60%);
}
.login-card {
  width: min(360px, 92vw);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  gap: 14px;
}
.login-card h1 { margin: 0; font-size: 28px; letter-spacing: -0.5px; }
.login-card h1 span { color: var(--accent); }
.login-card .sub { margin: -10px 0 6px; color: var(--muted); font-size: 13px; }
.login-card label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.login-card .hint { margin: 4px 0 0; font-size: 12px; color: var(--muted); text-align: center; }
.login-card code { color: var(--text); background: var(--panel-2); padding: 1px 5px; border-radius: 4px; }
.error { color: var(--down); font-size: 13px; margin: 0; min-height: 18px; text-align: center; }

input, select, button {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button {
  background: var(--accent);
  border-color: transparent;
  color: #06121f;
  font-weight: 600;
  cursor: pointer;
}
button:hover { filter: brightness(1.1); }
button:disabled { opacity: 0.4; cursor: not-allowed; filter: none; }
button.ghost { background: transparent; color: var(--muted); border-color: var(--line); font-weight: 500; }
button.ghost:hover { color: var(--text); }
/* The same chip as a link, for the 3D line view in the header. */
a.ghost {
  font: inherit;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 14px;
}
a.ghost:hover { color: var(--text); border-color: var(--accent); }
button.small { padding: 5px 10px; font-size: 13px; }

/* ---------- Layout ---------- */
header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; }
.brand span { color: var(--accent); }
.spacer { flex: 1; }
.live { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--muted); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--unknown); }
.dot.ok { background: var(--running); box-shadow: 0 0 0 3px rgba(63, 185, 80, 0.18); }
.dot.bad { background: var(--down); box-shadow: 0 0 0 3px rgba(248, 81, 73, 0.18); }
.user { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.badge {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 20px;
  padding: 1px 9px;
}

.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  padding: 18px 20px 4px;
}
.kpi {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: grid;
  gap: 2px;
}
.kpi-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; }
.kpi-value { font-size: 28px; font-weight: 650; font-variant-numeric: tabular-nums; }

main {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
  padding: 14px 20px 32px;
  align-items: start;
}
.span-2 { grid-column: 1 / -1; }
@media (max-width: 1000px) { main { grid-template-columns: 1fr; } }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px 18px;
}
.panel h2 { margin: 0 0 14px; font-size: 14px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text); }
.panel h2.mt { margin-top: 22px; }
.panel h3 { margin: 0 0 8px; font-size: 13px; color: var(--muted); font-weight: 600; }

/* ---------- Machines ---------- */
.machine-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.machine {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--unknown);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.machine.running { border-left-color: var(--running); }
.machine.idle    { border-left-color: var(--idle); }
.machine.down    { border-left-color: var(--down); }
.machine.setup   { border-left-color: var(--setup); }

.machine-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.machine-code { font-weight: 700; font-size: 16px; }
.machine-name { color: var(--muted); font-size: 13px; }
.state {
  margin-left: auto;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  padding: 2px 9px;
  border-radius: 20px;
}
.state.running { background: rgba(63,185,80,.16); color: var(--running); }
.state.idle    { background: rgba(210,153,34,.16); color: var(--idle); }
.state.down    { background: rgba(248,81,73,.16); color: var(--down); }
.state.setup   { background: rgba(163,113,247,.16); color: var(--setup); }
.state.unknown { background: rgba(110,118,129,.16); color: var(--unknown); }

.machine-meta { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.machine-meta strong { color: var(--text); font-weight: 600; font-family: var(--mono); font-size: 12px; }

.bars { display: grid; gap: 6px; }
.bar-row { display: grid; grid-template-columns: 78px 1fr 44px; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.bar { height: 6px; background: var(--track); border-radius: 3px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--accent); border-radius: 3px; transition: width .4s ease; }
.bar-row .num { color: var(--text); font-size: 12px; font-family: var(--mono); }
.bar-row.total .num { font-weight: 700; }
.bar-row.total > i, .bar-row.total .bar > i { background: var(--running); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--muted);
  font-weight: 600;
  padding: 0 10px 8px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
td { padding: 10px; border-bottom: 1px solid rgba(38,48,64,.5); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
td.code { font-family: var(--mono); font-size: 13px; }

.pill {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 9px;
  border-radius: 20px;
  background: var(--panel-2);
  color: var(--muted);
  white-space: nowrap;
}
.pill.released  { background: rgba(74,158,255,.16); color: var(--accent); }
.pill.running   { background: rgba(63,185,80,.16);  color: var(--running); }
.pill.completed { background: rgba(163,113,247,.16); color: var(--setup); }
.pill.planned   { background: rgba(139,152,165,.16); color: var(--muted); }

.progress { display: flex; align-items: center; gap: 9px; min-width: 150px; }
.progress .bar { flex: 1; height: 7px; }
.progress span { font-family: var(--mono); font-size: 12px; color: var(--muted); min-width: 34px; text-align: right; }

/* ---------- Actions & feeds ---------- */
.actions .stack { margin-bottom: 18px; }
.actions .stack:last-child { margin-bottom: 0; }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.row > select { flex: 1 1 120px; min-width: 0; }
.row > input { flex: 0 1 90px; min-width: 0; }

.feed { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; max-height: 320px; overflow-y: auto; }
.feed li { display: grid; gap: 2px; font-size: 13px; padding-bottom: 8px; border-bottom: 1px solid rgba(38,48,64,.5); }
.feed li:last-child { border-bottom: none; padding-bottom: 0; }
.feed .when { font-size: 11px; color: var(--muted); font-family: var(--mono); }
.feed .what { color: var(--text); }
.feed .what b { font-weight: 600; color: var(--accent); font-family: var(--mono); font-size: 12px; }
.feed .nc { color: var(--down); }
.feed .empty { color: var(--muted); font-style: italic; }

.toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 11px 18px;
  font-size: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,.5);
  z-index: 50;
}
.toast.bad { border-left-color: var(--down); }
.toast.good { border-left-color: var(--running); }


/* ==========================================================================
   Shared components, promoted from per-screen CSS.
   One chip, one selectable row, one filter bar, one two-column layout, one
   labelled field - each of these existed in three to five private variants
   before, and the drift between them is where the label-misalignment bug
   lived.
   ========================================================================== */

/* ---------- nav chips (rendered by common.js from the manifest) ---------- */
nav.nav { display: flex; align-items: center; gap: var(--s2); flex-wrap: wrap; }
.chip {
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 14px;
  background: transparent;
  cursor: pointer;
}
.chip:hover { color: var(--text); border-color: var(--accent); }
.chip.active { color: var(--text); border-color: var(--accent); }
.chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* The one grouped menu. <details>, because a menu that is native needs no
   script and never traps focus. */
.nav-group { position: relative; }
.nav-group > summary { list-style: none; user-select: none; }
.nav-group > summary::-webkit-details-marker { display: none; }
.nav-group .caret { font-size: 10px; color: var(--muted); }
.nav-group[open] > summary { color: var(--text); border-color: var(--accent); }
.nav-pop {
  position: absolute;
  top: calc(100% + var(--s1));
  right: 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: var(--s1);
  min-width: 160px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: var(--s2);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}
.nav-pop .chip { border: none; padding: 7px 10px; text-align: left; }

/* ---------- selectable table rows ---------- */
.row-select tbody tr { cursor: pointer; }
.row-select tbody tr:hover { background: var(--panel-2); }
.row-select tbody tr.selected {
  background: var(--panel-2);
  box-shadow: inset 3px 0 0 var(--accent);
}

/* ---------- the filter bar ----------
   One row, 40px tall, compact controls. The old pattern - full-size form
   controls in a wrapping flex row - put a ~130px slab of chrome above a
   table; this one holds the line. Long tails go behind a .popover. */
.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--s2);
  padding: var(--s1) 0 var(--s3);
}
.filter-bar input,
.filter-bar select,
.filter-bar button {
  padding: 5px 9px;
  font-size: var(--fs-sm);
  border-radius: var(--radius-sm);
}
.filter-bar input[type="search"] { flex: 1 1 120px; min-width: 0; }

.popover-host { position: relative; }
.popover {
  position: absolute;
  top: calc(100% + var(--s1));
  left: 0;
  z-index: 30;
  display: grid;
  gap: var(--s2);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: var(--s3);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  min-width: 220px;
}

/* ---------- a labelled field ----------
   Label above control, always. The inline-label idiom is what floated the
   word "Due" four pixels off its baseline. */
.field { display: grid; gap: var(--s1); }
.field > label {
  font-size: var(--fs-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- shared layout ---------- */
.layout-2col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s4);
  padding: 0 var(--s4) var(--s4);
}
.layout-2col .span-2 { grid-column: span 2; }
@media (max-width: 1000px) {
  .layout-2col { grid-template-columns: 1fr; }
  .layout-2col .span-2 { grid-column: span 1; }
}

/* ---------- principle 4, as a component ----------
   Every screen states its data source; this is the one style for saying it. */
.screen-source {
  font-family: var(--mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  padding: var(--s2) var(--s4) var(--s3);
}

/* ---------- workspaces ----------
   The header's chips are workspaces; this row is the screens inside the
   one you are in. Rendered by common.js from the manifest; absent when a
   workspace has a single screen. */
.subnav {
  display: flex;
  gap: var(--s2);
  padding: var(--s2) var(--s4);
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.subnav .chip { padding: 4px 12px; font-size: var(--fs-sm); }

/* ---------- object links ----------
   Every mention of a machine or a line is a way to its page. */
a.obj { color: var(--accent); text-decoration: none; font-family: var(--mono); }
a.obj:hover { text-decoration: underline; }