/* White-paper palette, blueprint layout. */
:root {
  --paper: #faf8f3;
  --paper-2: #f4f1e9;
  --line: #d8dde4;
  --line-2: #c3cbd6;
  --ink: #1b3350;
  --ink-soft: #5c748c;
  --ink-faint: #9aa9bb;
  --accent: #1f6f8b;
  --good: #2f6f4f;
  --bad: #a8372c;
  --warn: #9a6b1f;
  --mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Chrome is click surface, not prose: clicking a button should never leave a
   text selection behind. Content worth copying opts back in below. */
#app { height: 100%; display: flex; flex-direction: column; user-select: none; -webkit-user-select: none; }
#app { -webkit-tap-highlight-color: transparent; }
input, textarea, .entry, .report, .tt, .verdict, .brief, #tutorial p { user-select: text; -webkit-user-select: text; }
button:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

#topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 8px 14px;
  border-bottom: 1.5px solid var(--ink);
  background: repeating-linear-gradient(135deg, transparent 0 5px, rgba(27,51,80,0.035) 5px 6px), var(--paper-2);
}
.brand { display: flex; align-items: baseline; gap: 6px; }
.mark { font-weight: 700; letter-spacing: 3px; }
.mark2 { font-weight: 400; letter-spacing: 3px; color: var(--ink-soft); }
.brand .sub { margin-left: 10px; font-size: 10px; color: var(--ink-faint); letter-spacing: 1.5px; text-transform: uppercase; }

.readout { display: flex; gap: 8px; margin-left: auto; }
.readout .cell {
  border: 1px solid var(--line-2); background: #fff;
  padding: 3px 10px; min-width: 96px;
}
.readout .k { font-size: 9px; letter-spacing: 1.4px; color: var(--ink-faint); display: block; }
.readout .v { font-size: 14px; font-weight: 600; }
.readout .v.good { color: var(--good); }
.readout .v.bad { color: var(--bad); }

.screens { display: flex; gap: 6px; }
.tab {
  font: inherit; font-size: 10px; letter-spacing: 1.6px;
  padding: 7px 12px; background: #fff; color: var(--ink-soft);
  border: 1px solid var(--line-2); cursor: pointer;
}
.tab:hover { border-color: var(--ink); color: var(--ink); }
.tab.active { background: var(--ink); color: var(--paper); border-color: var(--ink); }
#btnMute { margin-right: 10px; }
#btnMute.active { background: var(--accent); border-color: var(--accent); color: #fff; }

#body { flex: 1; display: grid; grid-template-columns: 250px 1fr 288px; min-height: 0; }
#left { border-right: 1.5px solid var(--ink); }
#right { border-left: 1.5px solid var(--ink); }
#left, #right, #fabSide, #recSide { display: flex; flex-direction: column; min-height: 0; height: 100%; }
#stage { position: relative; min-width: 0; overflow: hidden; }
#stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }

/* drawing-sheet border, held still while the schedule scrolls under it */
#stage.line::before {
  content: ''; position: absolute; inset: 12px; z-index: 5; pointer-events: none;
  border: 1.5px solid var(--ink);
  box-shadow: inset 0 0 0 4px var(--paper), inset 0 0 0 5px var(--line-2);
}

.sheet {
  position: absolute; inset: 0; overflow-y: auto; padding: 34px 30px 30px;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px;
}
.sheet-head { margin-bottom: 14px; }
.sheet-head h1 { font-size: 13px; letter-spacing: 3px; margin: 0; font-weight: 700; }
.sheet-sub { font-size: 10px; color: var(--ink-faint); letter-spacing: 1px; margin-top: 3px; }

.sched-head, .prow {
  display: grid;
  grid-template-columns: 30px minmax(120px, 1.1fr) minmax(130px, 1.3fr) 50px 58px minmax(104px, 0.9fr) 172px;
  gap: 10px; align-items: center;
}
.sched-head {
  font-size: 9px; letter-spacing: 1.4px; color: var(--ink-soft);
  padding: 4px 8px; border: 1px solid var(--ink); background: var(--paper-2);
}
.sched-head .num, .prow .num { text-align: right; }
.sched { border: 1px solid var(--ink); border-top: none; background: #fff; }
.prow { padding: 7px 8px; border-bottom: 1px solid var(--line); }
.prow:last-child { border-bottom: none; }
.prow:nth-child(even) { background: rgba(27,51,80,0.022); }
.prow.ship { border-left: 3px solid var(--good); padding-left: 5px; background: rgba(47,111,79,0.05); }
.prow.ship .pname span { color: var(--good); letter-spacing: 1px; }
.prow.ship .sym { color: var(--good); }
.prow.ship .bar { height: 6px; border: 1px solid var(--line-2); }
.prow.ship .bar > i { background: var(--good); }
.pri { font-size: 11px; color: var(--ink-faint); letter-spacing: 1px; }
.pname { font-weight: 600; letter-spacing: 0.8px; display: flex; align-items: center; gap: 7px; }
.pname em { font-style: normal; color: var(--accent); margin-left: 6px; font-weight: 700; }
.pports { font-size: 9.5px; color: var(--ink-faint); letter-spacing: 0.6px; margin-top: 1px; }
.precipe { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 10px; color: var(--ink-soft); }
.ing b { font-weight: 600; color: var(--ink); margin-left: 3px; }
.ing.short b { color: var(--bad); }
.ptime, .prate { font-size: 10.5px; color: var(--ink-soft); }
.copies { display: flex; align-items: flex-end; gap: 2px; height: 16px; }
.copies .slot {
  position: relative; display: block; width: 6px; height: 100%;
  border: 1px solid var(--line-2); background: #fff; overflow: hidden;
}
.copies .slot::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 100%;
  height: calc(var(--p, 0) * 100%); background: var(--accent);
}
.copies .slot.run { border-color: var(--ink-faint); }
.copies .slot:not(.run) {
  background: repeating-linear-gradient(135deg, transparent 0 3px, var(--line) 3px 4px);
}
.copies .slot.off { background: var(--paper-2); border-color: var(--line); opacity: 0.7; }
.copies .slot.off::after { display: none; }
.copies.agg { display: block; }
.copies .slot.wide { width: 100%; height: 10px; }
.copies .slot.wide::after { background: var(--accent); }
.pstatus { font-size: 9.5px; color: var(--ink-faint); margin-top: 3px; letter-spacing: 0.6px; }
.pstatus.warn { color: var(--warn); }
.pctl { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.pctl button { padding: 3px 0; font-size: 10px; line-height: 1.1; }
.pctl .slotless { display: block; }
.empty { padding: 18px; font-size: 11px; color: var(--ink-soft); line-height: 1.7; background: #fff; }
.empty b { display: block; color: var(--ink); letter-spacing: 1px; margin-bottom: 4px; }

.sheet-block {
  margin-top: 16px; margin-left: auto; width: 300px; background: #fff;
  border: 1px solid var(--ink); font-size: 9.5px; letter-spacing: 1px;
}
.sheet-block .tb { padding: 4px 8px; border-bottom: 1px solid var(--line); }
.sheet-block .tb:last-child { border-bottom: none; }
.sheet-block .sub, .sheet-block .rev { color: var(--ink-faint); }

#tutorial {
  position: absolute; left: 50%; bottom: 72px; transform: translateX(-50%);   /* clear of the sheet's title block */
  z-index: 12; width: min(620px, calc(100% - 56px));
  background: #fff; border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 rgba(27,51,80,0.16);
}
#tutorial.flash { animation: tutflash 1s ease-out; }
@keyframes tutflash {
  0% { box-shadow: 0 0 0 8px rgba(31,111,139,0.38), 8px 8px 0 rgba(27,51,80,0.16); }
  100% { box-shadow: 0 0 0 0 rgba(31,111,139,0), 8px 8px 0 rgba(27,51,80,0.16); }
}
#tutorial .tut-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 9px 14px; background: var(--accent); color: #fff;
  font-size: 10px; letter-spacing: 2.4px;
}
#tutorial .tut-mark { font-weight: 700; font-size: 15px; letter-spacing: 6px; }
#tutorial #tutStep { color: rgba(255,255,255,0.82); }
/* the header and this stripe are one continuous teal edge — no gap between them */
#tutorial .tut-main { border-left: 6px solid var(--accent); }
#tutorial .tut-pips { display: flex; gap: 3px; padding: 6px 16px 0 14px; }
#tutorial .tut-pips i { flex: 1; height: 4px; background: var(--line); }
#tutorial .tut-pips i.on { background: var(--accent); }
#tutorial .tut-pips i.now { background: var(--bad); }
#tutorial .tut-body { padding: 10px 16px 14px 14px; }
#tutorial h3 { margin: 4px 0 7px; font-size: 16px; letter-spacing: 1.4px; }
#tutorial p { margin: 0 0 12px; font-size: 12.5px; line-height: 1.7; color: var(--ink-soft); }
#tutorial .tut-foot { display: flex; gap: 8px; justify-content: flex-end; align-items: center; }
#tutorial .tut-foot .primary { flex: 0 0 auto; padding: 8px 22px; }

#tip {
  position: absolute; left: 30px; bottom: 30px; z-index: 11; width: min(330px, calc(100% - 60px));
  background: #fff; border: 1.5px solid var(--accent);
  box-shadow: 5px 5px 0 rgba(31,111,139,0.14);
}
#tip .tip-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 5px 8px 5px 12px; border-bottom: 1px solid var(--line);
  font-size: 9px; letter-spacing: 2.4px; color: var(--accent);
}
#tip h3 { margin: 9px 12px 4px; font-size: 12px; letter-spacing: 1.1px; }
#tip p { margin: 0 12px 12px; font-size: 11px; line-height: 1.65; color: var(--ink-soft); }

@keyframes tutpulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(31,111,139,0.6); }
  50% { box-shadow: 0 0 0 6px rgba(31,111,139,0.16); }
}
.tut-glow {
  animation: tutpulse 1.5s ease-in-out infinite;
  outline: 2px solid var(--accent); outline-offset: 2px; position: relative; z-index: 3;
}

#toast {
  position: absolute; top: 26px; left: 50%; transform: translateX(-50%); z-index: 10;
  background: #fff; border: 1px solid var(--bad); color: var(--bad);
  padding: 7px 14px; font-size: 11px; letter-spacing: 0.8px; max-width: 70%;
}
#toast.warn { border-color: var(--warn); color: var(--warn); }
#toast.info { border-color: var(--accent); color: var(--accent); }

.panel { border-bottom: 1px solid var(--line-2); padding: 10px 12px 12px; min-height: 0; display: flex; flex-direction: column; }
.panel.grow { flex: 1; min-height: 0; }
.panel h2 {
  font-size: 9.5px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--ink); margin: 0 0 8px; padding-bottom: 5px;
  border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: baseline;
}
.panel h2 span { font-size: 8.5px; letter-spacing: 0.5px; color: var(--ink-faint); text-transform: none; text-align: right; padding-left: 8px; }
.scroll { overflow-y: auto; min-height: 0; flex: 1; scrollbar-width: thin; }

/* inventory */
.part {
  border: 1px solid var(--line-2); background: #fff;
  padding: 6px 8px; margin-bottom: 6px; cursor: pointer; position: relative;
}
.part:hover { border-color: var(--accent); }
.part.sel { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.part.poor { opacity: 0.5; }
.part .name { font-weight: 600; letter-spacing: 0.8px; display: flex; align-items: center; gap: 7px; }
.part .name > .nm { flex: 1; }
.part .tools { display: none; gap: 2px; flex: none; }
.part:hover .tools { display: flex; }
.part .tools .icon {
  font: inherit; font-size: 11px; line-height: 1; padding: 2px 4px;
  background: #fff; border: 1px solid var(--line-2); color: var(--ink-soft); cursor: pointer;
}
.part .tools .icon:hover { border-color: var(--bad); color: var(--bad); }
.part .tools .icon[data-act=rename]:hover { border-color: var(--accent); color: var(--accent); }
input.rename { flex: 1; min-width: 0; font-size: 11px; padding: 2px 4px; }
.sym { color: var(--ink); flex: none; }
.part .name em, .client .want span, .pname span { min-width: 0; }
.part .name em { font-style: normal; font-size: 10px; color: var(--ink-faint); }
.part .meta { font-size: 10px; color: var(--ink-soft); margin-top: 2px; }
.part .cost { font-size: 10px; color: var(--good); }
.part .tally { font-size: 10px; color: var(--ink-soft); margin-top: 3px; padding-top: 3px; border-top: 1px dotted var(--line); }
.part .tally:empty { display: none; }
.part .tally b { color: var(--ink); font-weight: 600; }
.part .runs { color: var(--accent); }
.part .bom { font-size: 9.5px; color: var(--ink-faint); margin-top: 2px; }

/* clients */
.client { border: 1px solid var(--line-2); background: #fff; padding: 6px 8px; margin-bottom: 6px; }
.client.done { border-color: var(--good); }
.client .co { font-size: 10px; letter-spacing: 1px; color: var(--ink-soft); display: flex; justify-content: space-between; }
.client .co .new {
  background: var(--bad); color: #fff; font-size: 8px; letter-spacing: 1.4px;
  padding: 1px 5px; font-weight: 600;
}
.client .want { font-weight: 600; display: flex; align-items: center; gap: 7px; }
.client .want > span { flex: 1; }
.client .want b { color: var(--good); font-weight: 400; font-size: 11px; }
.bar { height: 5px; border: 1px solid var(--line-2); margin-top: 4px; }
.bar > i { display: block; height: 100%; background: var(--accent); }
.client.done .bar > i { background: var(--good); }
.client .err { font-size: 9.5px; color: var(--bad); margin-top: 3px; }
.client .ships { font-size: 9.5px; margin-top: 5px; color: var(--ink-faint); letter-spacing: 0.5px; }
.client .ships.on { color: var(--good); }
.client .where { font-size: 9px; color: var(--ink-faint); margin-top: 2px; letter-spacing: 0.4px; }
.client .testrow { display: flex; gap: 4px; margin-top: 6px; }
.client .testrow select { flex: 1; min-width: 0; margin: 0; }
.client .testrow button { white-space: nowrap; }
.client .report { margin-top: 6px; border-top: 1px dotted var(--line); padding-top: 5px; }
.client .report:empty { display: none; }
.rhead { font-size: 8.5px; letter-spacing: 1.2px; margin-bottom: 3px; }
.rhead.bad { color: var(--bad); }
.rhead.good { color: var(--good); }
.rline { display: flex; justify-content: space-between; gap: 8px; font-size: 9.5px; color: var(--ink-soft); padding: 1px 0; }
.rline b { color: var(--ink); font-weight: 600; white-space: nowrap; }
.client .ports { font-size: 9.5px; color: var(--accent); letter-spacing: 0.8px; margin-top: 1px; }
.client .seqchip.stream { background: var(--accent); }
.client .seqchip { background: var(--warn); color: #fff; font-size: 7.5px; letter-spacing: 1px; padding: 1px 4px; font-weight: 600; }
.client .brief { font-size: 9.5px; color: var(--ink-faint); margin-top: 2px; }

/* log */
.entry { border-left: 2px solid var(--line-2); padding: 3px 0 4px 7px; margin-bottom: 5px; font-size: 11px; }
.entry.good { border-color: var(--good); }
.entry.bad { border-color: var(--bad); }
.entry .d { font-size: 9.5px; color: var(--ink-faint); }
.entry .n { font-size: 9.5px; color: var(--accent); margin-top: 2px; }

/* record panel */
.row { display: flex; align-items: center; gap: 6px; margin-top: 6px; }
.big { font-size: 16px; font-weight: 600; min-width: 22px; text-align: center; }
input {
  font: inherit; font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
  padding: 5px 7px; width: 100%; background: #fff; border: 1px solid var(--line-2); color: var(--ink);
}
input:focus { outline: none; border-color: var(--accent); }
select {
  font: inherit; font-size: 10px; letter-spacing: 0.8px; flex: 1; min-width: 0;
  padding: 5px 4px; background: #fff; border: 1px solid var(--line-2); color: var(--ink);
}
select:focus { outline: none; border-color: var(--accent); }
.terms { display: grid; grid-template-columns: 34px 1fr 58px; gap: 4px 6px; align-items: center; margin-top: 8px; }
.terms select.w { font-size: 9px; padding: 3px 2px; }
.terms .t { font-size: 9px; letter-spacing: 1.2px; color: var(--ink-faint); text-align: right; }
.terms .t.out { color: var(--good); }
.terms input { font-size: 11px; padding: 3px 6px; letter-spacing: 1.2px; }
button { font: inherit; cursor: pointer; }
button.primary {
  flex: 1; padding: 7px 6px; font-size: 10px; letter-spacing: 1.4px;
  background: var(--ink); color: var(--paper); border: 1px solid var(--ink);
}
button.primary:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); }
button.primary:disabled { background: var(--paper-2); color: var(--ink-faint); border-color: var(--line-2); cursor: default; }
button.ghost {
  padding: 6px 9px; font-size: 10px; letter-spacing: 1.2px;
  background: #fff; color: var(--ink-soft); border: 1px solid var(--line-2);
}
button.ghost:hover { border-color: var(--ink); color: var(--ink); }
#btnUndo { width: 100%; }
button.danger { width: 100%; border-color: var(--bad); color: var(--bad); letter-spacing: 1.6px; padding: 7px; }
button.danger:hover { background: var(--bad); border-color: var(--bad); color: #fff; }
button.small { padding: 4px 7px; }
button.rec { background: var(--bad); border-color: var(--bad); }

.legend { list-style: none; margin: 0; padding: 0; font-size: 10px; color: var(--ink-soft); }
.legend li { padding: 2px 0; }
.legend b { color: var(--ink); font-weight: 600; }
.muted { color: var(--ink-faint); font-size: 10px; }
.small { font-size: 10px; line-height: 1.45; }

/* truth table */
.tt { border-collapse: collapse; width: 100%; margin-top: 6px; font-size: 10.5px; }
.tt th, .tt td { border: 1px solid var(--line); padding: 2px 4px; text-align: center; }
.tt th { background: var(--paper-2); font-weight: 600; letter-spacing: 1px; color: var(--ink-soft); font-size: 9px; }
.tt td.o { font-weight: 700; }
.tt td.val { font-weight: 600; color: var(--accent); }
.tt td.o1 { color: var(--good); }
.tt td.o0 { color: var(--ink-faint); }
.verdict { border: 1px solid var(--line-2); background: #fff; padding: 6px 8px; }
.verdict.ok { border-color: var(--good); }
.verdict.err { border-color: var(--bad); color: var(--bad); }
.verdict .t { font-weight: 600; letter-spacing: 1px; }
.verdict .vhead { display: flex; align-items: center; gap: 10px; }
.verdict .note { font-size: 9.5px; color: var(--accent); margin-top: 6px; padding-top: 5px; border-top: 1px dotted var(--line); line-height: 1.5; }
.kv { display: flex; justify-content: space-between; font-size: 10px; color: var(--ink-soft); margin-top: 3px; }

/* ---------------------------------------------------------------- narrow --
   The three-column sheet holds down to about 1000px; below that the panels
   move under the stage so the drawing keeps the width it needs. */

@media (max-width: 1360px) {
  #body { grid-template-columns: 226px 1fr 264px; }
  .sched-head, .prow {
    grid-template-columns: 26px minmax(112px, 1.1fr) minmax(120px, 1.2fr) 46px 56px minmax(96px, 0.9fr) 140px;
    gap: 7px;
  }
  #tutorial { width: min(520px, calc(100% - 40px)); }
}

@media (max-width: 1150px) {
  #body { grid-template-columns: 196px 1fr 230px; }
  .prow .pports, .sheet-sub { display: none; }
  .sched-head, .prow {
    grid-template-columns: 24px minmax(96px, 1.1fr) minmax(104px, 1.1fr) 42px 50px minmax(84px, 0.9fr) 128px;
    gap: 5px;
  }
  .pctl button { padding: 3px 0; font-size: 9px; }
  .readout .cell { min-width: 78px; padding: 3px 7px; }
  .brand .sub { display: none; }
}

@media (max-width: 1000px) {
  body { overflow: auto; }
  #app { height: auto; min-height: 100%; }
  #body { grid-template-columns: 1fr; grid-auto-rows: min-content; }
  #left, #right { border: none; }
  #stage { order: -1; height: 58vh; min-height: 340px; border-bottom: 1.5px solid var(--ink); }
  #left, #right { display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
  #left { border-bottom: 1px solid var(--line-2); }
  #fabSide, #recSide { display: contents; }
  .panel.grow { flex: none; }
  .scroll { max-height: 42vh; }
  #tutorial, #tip { width: calc(100% - 32px); left: 16px; transform: none; bottom: 16px; }
  #topbar { flex-wrap: wrap; gap: 10px; }
  .readout { margin-left: 0; order: 3; width: 100%; }
}

@media (max-width: 620px) {
  #left, #right { grid-template-columns: 1fr; }
  .readout { display: grid; grid-template-columns: repeat(2, 1fr); }
  .screens { margin-left: auto; }
  #stage { height: 52vh; }
}