:root {
  --paper: #f8f6f0;
  --ink: #1c2425;
  --muted: #616966;
  --gold: #a78b55;
  --gold-dim: #c5a973;
  --line: #dcded6;
  --card-bg: #ffffff;
  --urgent: #9e3725;
  --urgent-bg: #f8dfd8;
  --high: #8a5c00;
  --high-bg: #fff0d4;
  --routine: #2d5a44;
  --routine-bg: #e2f0e8;
  --river: #bdd3dc;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; }

header { padding: 25px 5%; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); }
a { color: inherit; }
.brand { text-decoration: none; font: 32px Georgia, serif; letter-spacing: -1px; }
.brand span { display: block; font: 9px Arial, sans-serif; letter-spacing: 2px; margin-top: 7px; color: var(--muted); }
.demo, .eyebrow { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; }
.demo { color: var(--muted); }

.hero { display: grid; grid-template-columns: 1fr 1.05fr; min-height: 580px; padding: 70px 5% 55px; gap: 6%; align-items: center; }
.eyebrow { color: #806a3e; font-weight: bold; }
h1 { font: clamp(45px, 5.4vw, 79px)/1.02 Georgia, serif; letter-spacing: -3px; margin: 28px 0; }
h2 { font: 40px/1.15 Georgia, serif; letter-spacing: -1px; margin: 10px 0 24px; }
h3 { font: 28px/1.2 Georgia, serif; margin: 10px 0 20px; }
.intro { color: var(--muted); margin-bottom: 30px; font-size: 16px; }

figure { margin: 0; align-self: stretch; position: relative; }
figure img { width: 100%; height: 100%; min-height: 390px; object-fit: cover; border-radius: 120px 0 0 0; }
figcaption { position: absolute; bottom: 15px; left: 18px; right: 18px; background: #162626df; padding: 10px 14px; color: white; font-size: 8px; letter-spacing: 1.5px; }

.button, button { cursor: pointer; transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease; }
.button, .primary { background: var(--ink); color: #fff; padding: 15px 23px; text-decoration: none; display: inline-block; border: 0; font: 13px -apple-system, sans-serif; border-radius: 3px; font-weight: 500; }
.button span { margin-left: 20px; }
button:hover, .button:hover { background: #3f514c; color: #fff; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

main { margin: 10px 5% 65px; padding-top: 40px; border-top: 1px solid var(--line); }
.workspace-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.workspace-head p:last-child { font-size: 12px; color: var(--muted); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); background: #fff; margin: 10px 0 35px; border-radius: 3px; }
.stats div { padding: 20px 28px; border-right: 1px solid var(--line); }
.stats div:last-child { border-right: 0; }
.stats b { display: block; font: 38px Georgia, serif; color: var(--ink); }
.stats span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }

nav { display: flex; border-bottom: 1px solid var(--line); gap: 12px; margin-bottom: 30px; }
nav button { border: 0; background: transparent; padding: 15px 12px; font: 12px -apple-system, sans-serif; color: var(--muted); letter-spacing: 0.5px; text-transform: uppercase; }
nav button[aria-pressed=true] { border-bottom: 3px solid var(--gold); color: var(--ink); font-weight: bold; }

.panel { padding: 25px 0; }
.split { display: grid; grid-template-columns: .85fr 1.15fr; gap: 8%; }
.split > article > p { color: var(--muted); }

.scenario-chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 16px 0; }
.chips-label { font-size: 11px; font-weight: bold; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; margin-right: 4px; }
.chip { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 6px 12px; font-size: 11px; color: var(--ink); font-weight: 500; }
.chip:hover { border-color: var(--gold); background: #fdfaf4; }

label { display: block; font-size: 12px; font-weight: bold; margin: 18px 0; color: var(--ink); }
input, select, textarea { font: 14px -apple-system, sans-serif; color: var(--ink); background: white; border: 1px solid #c7cec7; border-radius: 3px; padding: 12px; width: 100%; margin-top: 8px; }
textarea { resize: vertical; }

.section-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 16px; }
.queue-actions { display: flex; align-items: center; gap: 8px; }
.queue-actions select { width: 125px; margin: 0; padding: 8px 10px; font-size: 12px; }
.btn-subtle { background: #fff; border: 1px solid var(--line); border-radius: 3px; padding: 8px 12px; font-size: 11px; font-weight: 600; color: var(--ink); }
.btn-subtle:hover { border-color: var(--gold); background: #fbf8f2; }
.btn-secondary { background: #fff; border: 1px solid var(--ink); border-radius: 3px; padding: 15px 23px; font: 13px -apple-system, sans-serif; font-weight: 500; color: var(--ink); margin-left: 10px; }
.btn-secondary:hover { background: #eee; }

.note { font-size: 11px; line-height: 1.6; margin-top: 22px; color: var(--muted); }

.card { border: 1px solid var(--line); border-left: 4px solid var(--gold); padding: 18px 20px; margin: 12px 0; background: white; border-radius: 2px; }
.card.Urgent { border-left-color: var(--urgent); }
.card.High { border-left-color: var(--high); }
.card.Completed { border-left-color: #6b8277; opacity: 0.88; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.card h4 { margin: 6px 0 8px; font-size: 16px; font-family: Georgia, serif; }
.card p { font-size: 13px; margin: 6px 0; line-height: 1.5; }
.card .reason-text { font-size: 11px; color: var(--muted); background: #fbfbf9; padding: 6px 10px; border-left: 2px solid var(--line); margin: 8px 0; }

.card .controls { display: grid; grid-template-columns: 1fr 1fr auto; gap: 8px; align-items: center; margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--line); }
.controls select { font-size: 12px; padding: 8px; margin: 0; }
.controls button { padding: 9px 16px; border: 0; background: #e8ece7; font-size: 11px; font-weight: bold; border-radius: 3px; }
.controls button:hover { background: var(--gold); color: #fff; }

.quick-bar { display: flex; gap: 6px; margin-top: 8px; }
.btn-quick { background: transparent; border: 1px solid var(--line); border-radius: 3px; padding: 4px 8px; font-size: 10px; color: var(--muted); }
.btn-quick:hover { border-color: var(--ink); color: var(--ink); }

.badge { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; background: #f0e8d8; padding: 4px 8px; border-radius: 3px; font-weight: bold; }
.badge.Urgent { background: var(--urgent-bg); color: var(--urgent); }
.badge.High { background: var(--high-bg); color: var(--high); }
.badge.Routine { background: var(--routine-bg); color: var(--routine); }
.badge.status { margin-left: 6px; font-size: 9px; }

.empty-state { padding: 45px 24px; border: 1px dashed #bdc5be; background: #fff; text-align: center; border-radius: 3px; }
.empty-title { font: 20px Georgia, serif; margin: 0 0 8px; color: var(--ink); }
.empty-desc { font-size: 13px; color: var(--muted); max-width: 420px; margin: 0 auto 20px; }

.result { background: #e9eee7; padding: 26px; min-height: 290px; border-radius: 3px; }
.result b { font: 36px Georgia, serif; color: var(--ink); }
.result li { margin: 12px 0; font-size: 13px; }

/* SVG Map & Telemetry Graphics */
.map-box, .chart-box { background: #ffffff; border: 1px solid var(--line); border-radius: 3px; padding: 14px; margin: 18px 0; box-shadow: 0 2px 8px rgba(0,0,0,0.03); }
.map-header, .chart-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.map-title, .chart-title { font-size: 11px; font-weight: bold; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); }
.svg-canvas { width: 100%; height: auto; display: block; border-radius: 2px; }

/* KPI Grid for Executive Brief */
.kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 20px 0 25px; }
.kpi-card { background: #fff; border: 1px solid var(--line); border-radius: 3px; padding: 16px 18px; }
.kpi-num { font: 28px Georgia, serif; color: var(--ink); display: block; margin-top: 4px; }
.kpi-sub { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.brief-actions { margin-top: 25px; display: flex; align-items: center; gap: 12px; }

.closing { background: #192c2a; color: #fff; padding: 65px 8%; }
.closing .eyebrow { color: #d3bd8f; }
.closing p:not(.eyebrow) { max-width: 700px; color: #ced9d2; font-size: 16px; }
.closing a { color: #e5c88a; display: inline-block; margin-top: 18px; text-decoration: none; font-weight: bold; }
.closing a:hover { text-decoration: underline; }

footer { padding: 28px 5%; font-size: 10px; color: var(--muted); border-top: 1px solid var(--line); }
#message { color: #785625; min-height: 26px; font-weight: 500; font-size: 13px; margin-top: 12px; }
button:disabled { opacity: .5; cursor: wait; }

@media(max-width: 760px) {
  header { align-items: flex-start; }
  .demo { max-width: 120px; font-size: 8px; }
  .hero { grid-template-columns: 1fr; padding-top: 35px; gap: 30px; }
  .hero figure { height: 280px; }
  .hero figure img { min-height: 0; border-radius: 65px 0 0; }
  h1 { letter-spacing: -2px; }
  .split { grid-template-columns: 1fr; gap: 30px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats div { padding: 15px; }
  nav { overflow-x: auto; gap: 0; -webkit-overflow-scrolling: touch; }
  nav button { min-width: 135px; white-space: nowrap; }
  .workspace-head { display: block; }
  h2 { font-size: 33px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .card .controls { grid-template-columns: 1fr 1fr; }
  .controls button { grid-column: 1 / -1; }
  .kpi-grid { grid-template-columns: 1fr; }
  .brief-actions { flex-direction: column; align-items: stretch; }
  .btn-secondary { margin-left: 0; margin-top: 8px; text-align: center; }
  .closing { padding: 45px 6%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media print {
  header, .hero, nav, #orders, #maintenance, #dispatch, .closing, footer, .brief-actions, #message { display: none !important; }
  body, main { background: #fff; color: #000; margin: 0; padding: 0; }
  #brief { display: block !important; }
  .kpi-card { border: 1px solid #ccc; break-inside: avoid; }
}