/* Delivery Workbench standalone demo: ledger-sheet direction (see DESIGN.md) */

:root {
  /* Warm Earth tokens from the full app */
  --bg: #EBEAE6;
  --surf: #F5F4F1;
  --surf-2: #EBE9E4;
  --text: #312C29;
  --text-2: #5A5450;
  --sub: #6F6862; /* darkened from #8A837D for small-text contrast */
  --rule: rgba(49, 44, 41, 0.18);
  --rule-strong: #312C29;

  /* Status colors, darkened from the app's green/gold/red for text contrast */
  --ok: #0B6B47;
  --warn: #7A5200;
  --bad: #A8213A;

  --font-body: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 var(--font-body);
}

a { color: var(--text); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--rule-strong);
  outline-offset: 2px;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

.skip {
  position: absolute;
  left: 8px;
  top: -40px;
  padding: 6px 10px;
  background: var(--text);
  color: var(--surf);
}
.skip:focus { top: 8px; }

.vh {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Masthead */
.masthead { padding: 28px 0 18px; border-bottom: 1px solid var(--rule); }
.eyebrow {
  margin: 0 0 6px;
  font: 600 12px/1.4 var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--sub);
}
h1 { margin: 0 0 8px; font-size: 26px; line-height: 1.2; font-weight: 700; letter-spacing: -.01em; }
.lede { margin: 0 0 6px; max-width: 62ch; color: var(--text-2); }
.scope { margin: 0; max-width: 72ch; font-size: 13px; color: var(--sub); }

/* Workbench grid */
.workbench {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 0 32px;
  padding-top: 20px;
  padding-bottom: 20px;
}
.draft { grid-column: 1 / -1; }

.panel { padding: 16px 0 20px; border-top: 2px solid var(--rule-strong); }
.draft { margin-top: 12px; }

h2 {
  margin: 0 0 14px;
  font: 600 13px/1.3 var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}
h3 { margin: 20px 0 6px; font-size: 13px; font-weight: 700; }

/* Fields */
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; }
.field-wide { grid-column: 1 / -1; }
.field { margin-bottom: 10px; }

label { display: block; margin-bottom: 4px; font-size: 13px; font-weight: 600; }
.opt { font-weight: 400; color: var(--sub); }

input, textarea {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--rule);
  border-bottom-color: var(--text-2);
  border-radius: 0;
  background: var(--surf);
  color: var(--text);
  font: inherit;
}
input[type="number"] { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
textarea { resize: vertical; min-height: 2.6em; }
input:hover, textarea:hover { border-bottom-color: var(--text); }
input[aria-invalid="true"] { border-color: var(--bad); box-shadow: inset 3px 0 0 var(--bad); }

.hint { margin: 3px 0 0; font-size: 12px; color: var(--sub); }
.err { margin: 2px 0 0; font-size: 12px; font-weight: 600; color: var(--bad); }
.err:empty { display: none; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }

button {
  padding: 7px 12px;
  border: 1px solid var(--text);
  border-radius: 0;
  background: transparent;
  color: var(--text);
  font: 600 13px/1.3 var(--font-body);
  cursor: pointer;
}
button:hover { background: var(--surf-2); }
button.primary { background: var(--text); color: var(--surf); }
button.primary:hover { background: #1E1A18; }
button:disabled { opacity: .45; cursor: not-allowed; background: transparent; color: var(--text); }

.note { margin: 12px 0 0; font-size: 12px; color: var(--sub); max-width: 70ch; }

/* Ledger */
.state-msg {
  margin: 0 0 12px;
  padding: 8px 10px;
  border-left: 3px solid var(--text-2);
  background: var(--surf);
  font-size: 13px;
}
.state-msg[data-kind="invalid"] { border-left-color: var(--bad); }

.lines { list-style: none; margin: 0; padding: 0; }
.line {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}
.line-label { font-weight: 600; }
.line-value {
  font: 600 17px/1.3 var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.line-formula {
  grid-column: 1 / -1;
  font: 12px/1.5 var(--font-mono);
  color: var(--text-2);
  overflow-wrap: anywhere;
}
/* Accountant's double rule under the total */
.line.total { border-bottom: 3px double var(--rule-strong); }
.line.total .line-value { font-size: 24px; }

.decision {
  margin-top: 16px;
  padding: 10px 12px;
  border-left: 4px solid var(--text-2);
  background: var(--surf);
}
.decision[data-status="none"] { border-left-color: var(--rule); }
.decision[data-status="under"] { border-left-color: var(--warn); }
.decision[data-status="healthy"] { border-left-color: var(--ok); }
.decision[data-status="over"] { border-left-color: var(--bad); }

.decision-tag {
  margin: 0 0 2px;
  font: 600 11px/1.4 var(--font-mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--sub);
}
.decision[data-status="under"] .decision-tag { color: var(--warn); }
.decision[data-status="healthy"] .decision-tag { color: var(--ok); }
.decision[data-status="over"] .decision-tag { color: var(--bad); }

.decision-head { margin: 0; font-size: 17px; font-weight: 700; line-height: 1.35; }
.decision-body { margin: 4px 0 0; font-size: 13px; color: var(--text-2); }
.decision-body:empty { display: none; }

.sens { width: 100%; border-collapse: collapse; font-size: 13px; }
.sens th, .sens td { padding: 6px 0; border-bottom: 1px solid var(--rule); text-align: left; }
.sens thead th { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--sub); }
.sens tbody th { font-weight: 400; }
.sens td, .sens thead th:last-child {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Draft */
.draft form { max-width: 720px; }
.storage-note { margin: 0 0 12px; font-size: 13px; color: var(--text-2); max-width: 72ch; }
.storage-note[data-kind="unavailable"] { padding: 8px 10px; border-left: 3px solid var(--bad); background: var(--surf); color: var(--text); }
.draft-status { margin: 10px 0 0; min-height: 1.5em; font-size: 13px; }
.draft-status[data-kind="error"] { color: var(--bad); font-weight: 600; }

/* Footer */
.foot { padding-top: 14px; padding-bottom: 32px; border-top: 1px solid var(--rule); font-size: 13px; color: var(--text-2); }
.foot p { margin: 0 0 6px; max-width: 72ch; }

/* Phone */
@media (max-width: 760px) {
  .workbench { grid-template-columns: minmax(0, 1fr); }
  h1 { font-size: 22px; }
  .line.total .line-value { font-size: 21px; }
}
@media (max-width: 380px) {
  .field-grid { grid-template-columns: minmax(0, 1fr); }
  .actions button { flex: 1 1 100%; }
}

/* The only motion: a short highlight when the decision changes */
.decision.changed { animation: settle .4s ease-out; }
@keyframes settle { from { background: var(--surf-2); } to { background: var(--surf); } }

@media (prefers-reduced-motion: reduce) {
  .decision.changed { animation: none; }
}