* { box-sizing: border-box; }
:root {
  color-scheme: light;
  --paper: #f4f5f3;
  --surface: #ffffff;
  --ink: #1b1d1b;
  --muted: #68716b;
  --line: #d8ddd8;
  --accent: #2e6b55;
  --accent-strong: #1e503f;
  --focus: #d88b26;
  --danger: #a93030;
}
:root.dark {
  color-scheme: dark;
  --paper: #181b19;
  --surface: #222623;
  --ink: #f2f5f0;
  --muted: #a9b5ac;
  --line: #465047;
  --accent: #83c4a5;
  --accent-strong: #a7dfbf;
  --focus: #f1b45c;
  --danger: #ff9b9b;
}
html { background: var(--paper); }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.45 "Segoe UI", system-ui, sans-serif; }
.shell { width: min(1180px, calc(100% - 36px)); margin: 0 auto; padding: 40px 0 72px; }
.hero { display: flex; align-items: end; justify-content: space-between; gap: 24px; padding-bottom: 30px; }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: clamp(28px, 4vw, 44px); line-height: 1; letter-spacing: 0; }
h2 { margin-bottom: 0; font-size: 20px; letter-spacing: 0; }
.intro { max-width: 620px; margin-bottom: 0; color: var(--muted); }
.card, .preview-panel { margin-top: 14px; padding: 24px; border: 1px solid var(--line); background: var(--surface); }
.section-heading { display: flex; align-items: baseline; gap: 12px; margin-bottom: 22px; }
.section-heading span { color: var(--accent); font-size: 12px; font-weight: 800; }
.grid { display: grid; gap: 18px 16px; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.addresses { margin-top: 18px; }
label { display: block; color: var(--muted); font-size: 12px; font-weight: 700; }
input, select, output { display: block; width: 100%; min-height: 42px; margin-top: 6px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 3px; background: var(--surface); color: var(--ink); font: inherit; }
input:focus, select:focus, button:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
input[readonly] { color: var(--muted); }
small { display: block; margin-top: 5px; color: var(--muted); font-size: 11px; font-weight: 400; }
.total output { border-color: var(--accent); color: var(--accent-strong); font-size: 18px; font-weight: 800; }
.notice { margin: 20px 0 0; padding: 12px; border-left: 3px solid var(--focus); color: var(--muted); font-size: 13px; }
.driver-row, .preview-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.driver-row { margin: -4px 0 20px; color: var(--muted); }
.driver-row p { margin: 0; }
.driver-row strong { color: var(--ink); }
.actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; margin-top: 20px; }
button { min-height: 42px; padding: 10px 16px; border: 1px solid transparent; border-radius: 3px; cursor: pointer; font: inherit; font-weight: 700; }
button.primary { background: var(--accent); color: #fff; }
button.primary:hover { background: var(--accent-strong); }
button.secondary, button.quiet { border-color: var(--line); background: var(--surface); color: var(--ink); }
button.quiet { padding: 8px 12px; color: var(--accent-strong); }
button:disabled { cursor: wait; opacity: .6; }
.loading { margin: 12px 0 0; color: var(--accent-strong); font-weight: 700; text-align: right; }
.error { margin: 0 0 14px; padding: 12px; border-left: 3px solid var(--danger); background: color-mix(in srgb, var(--danger) 10%, var(--surface)); color: var(--danger); }
.hidden { display: none; }
.preview-panel { padding-bottom: 0; overflow: hidden; }
.preview-heading { padding-bottom: 18px; }
.preview-heading span { color: var(--muted); font-size: 12px; }
.hero-actions { display: flex; align-items: center; gap: 10px; }
a.quiet, a.secondary { display: inline-flex; align-items: center; min-height: 42px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 3px; color: var(--accent-strong); text-decoration: none; font-weight: 700; }
.simple-shell { max-width: 940px; }
.driver-summary { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line); }
.summary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 0; }
.summary-grid div { min-width: 0; padding: 12px; border: 1px solid var(--line); }
dt { color: var(--muted); font-size: 11px; font-weight: 700; text-transform: uppercase; }
dd { margin: 5px 0 0; overflow-wrap: anywhere; }
#summary-warnings { margin: 18px 0 0; color: var(--muted); font-size: 13px; }
.map-field { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: start; }
.map-field input[readonly] { cursor: pointer; color: var(--ink); }
.map-modal { position: fixed; inset: 0; z-index: 40; display: grid; place-items: center; padding: 18px; background: color-mix(in srgb, #000 45%, transparent); }
.map-modal.hidden { display: none; }
.map-dialog { width: min(920px, 100%); max-height: calc(100vh - 36px); overflow: auto; padding: 20px; border: 1px solid var(--line); background: var(--surface); }
.map-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.map-dialog-head h2 { margin: 0; }
.map-search-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: end; }
.map-status { min-height: 1.3em; margin: 10px 0; color: var(--accent-strong); font-size: 13px; font-weight: 700; }
#map-canvas { height: min(52vh, 460px); margin-top: 4px; border: 1px solid var(--line); }
.map-dialog-actions { justify-content: space-between; }
.leaflet-container { font: inherit; }
.leaflet-control-container input, .leaflet-control-container select { display: inline-block; width: auto; min-height: 0; margin: 0; padding: 2px 6px; }
@media (max-width: 760px) {
  .shell { width: min(100% - 24px, 620px); padding-top: 24px; }
  .hero, .driver-row, .preview-heading { align-items: flex-start; flex-direction: column; }
  .grid.three, .grid.two { grid-template-columns: 1fr; }
  .card, .preview-panel { padding: 18px; }
  .actions { justify-content: stretch; }
  .actions button { flex: 1 1 100%; }
  iframe { height: 500px; }
  .summary-grid { grid-template-columns: 1fr; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
}