:root {
  --bg: #0c100f;
  --panel: #121816;
  --panel-2: #171e1b;
  --line: #2b3531;
  --muted: #8d9a94;
  --ink: #eff4ef;
  --lime: #c8f04c;
  --orange: #ff9366;
  --danger: #ff716b;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: Inter, "Segoe UI", sans-serif;
}
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.workspace {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
}
.topbar {
  display: flex;
  min-height: 70px;
  align-items: center;
  gap: 22px;
  padding: 0 22px;
  background: #101513;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #131711;
  background: var(--lime);
  border-radius: 10px;
  font-size: 12px;
  font-weight: 900;
}
.brand h1 { margin: 0; font: 600 19px/1.1 Georgia, serif; }
.brand p { margin: 3px 0 0; color: var(--muted); font-size: 10px; }

.view-tabs { display: flex; align-self: stretch; margin-left: 24px; }
.view-tab {
  min-width: 145px;
  align-self: center;
  min-height: 36px;
  padding: 0 16px;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 800;
}
.view-tab.active {
  color: #121612;
  background: var(--lime);
  border-color: var(--lime);
}

.server-state { display: flex; align-items: center; gap: 9px; margin-left: auto; min-width: 170px; }
.server-state i {
  width: 8px;
  height: 8px;
  background: #82908a;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgb(130 144 138 / 12%);
}
.server-state.ready i { background: var(--lime); }
.server-state.error i { background: var(--danger); }
.server-state span { display: flex; flex-direction: column; }
.server-state strong { font-size: 11px; }
.server-state small { margin-top: 2px; color: var(--muted); font-size: 9px; }
.primary-button {
  padding: 11px 20px;
  color: #10150f;
  background: var(--lime);
  border: 0;
  border-radius: 9px;
  font-size: 12px;
  font-weight: 900;
}
.primary-button:disabled { cursor: wait; opacity: .55; }

.view { display: none; min-height: 0; }
.view.active { display: block; }
.scenario-bar {
  display: flex;
  height: 48px;
  align-items: center;
  gap: 8px;
  padding: 0 24px;
  overflow-x: auto;
  background: #0d1210;
  border-bottom: 1px solid var(--line);
}
.scenario-bar > span {
  margin-right: 5px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.transport-selector {
  display: flex;
  flex: 0 0 auto;
  min-width: 210px;
  align-items: center;
  flex-direction: row;
  gap: 8px;
  padding-right: 14px;
  border-right: 1px solid var(--line);
  font-size: 9px;
  white-space: nowrap;
}
.transport-selector span { color: var(--lime); }
.transport-selector select {
  width: 120px;
  padding: 6px 8px;
  border-color: var(--lime);
  font-size: 10px;
  font-weight: 800;
}
.scenario {
  padding: 7px 11px;
  color: #b4c0ba;
  background: transparent;
  border: 1px solid #35413c;
  border-radius: 999px;
  font-size: 10px;
  white-space: nowrap;
}
.scenario.active { color: #121612; background: var(--lime); border-color: var(--lime); font-weight: 800; }
.scenario.ghost { margin-left: auto; border-style: dashed; }

#builderView.active { display: grid; grid-template-rows: 48px minmax(0, 1fr); }
.builder-scroll { min-height: 0; padding: 22px 24px 60px; overflow: auto; }
.builder-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  max-width: 1500px;
  margin: 0 auto 18px;
}
.eyebrow { color: var(--lime); font-size: 9px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.builder-header h2 { margin: 5px 0 0; font: 500 25px Georgia, serif; }
.builder-actions { display: flex; align-items: center; gap: 10px; }
.count-badge {
  padding: 7px 10px;
  color: var(--muted);
  background: #0d1210;
  border: 1px solid var(--line);
  border-radius: 7px;
  font-size: 10px;
}

.settings-card, .rules-grid, .registry-section {
  max-width: 1500px;
  margin: 0 auto 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.settings-card {
  display: grid;
  grid-template-columns: 1.4fr 1.4fr repeat(6, minmax(110px, .8fr));
  gap: 10px;
  padding: 14px;
}
.span-2 { grid-column: span 2; }
label {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 5px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}
input, textarea, select {
  width: 100%;
  min-width: 0;
  padding: 8px 9px;
  color: var(--ink);
  background: #0d1210;
  border: 1px solid #34403a;
  border-radius: 6px;
  outline: none;
  font-size: 11px;
  text-transform: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--lime);
  box-shadow: 0 0 0 2px rgb(200 240 76 / 10%);
}
.check { flex-direction: row; align-items: center; align-self: end; min-height: 33px; }
.check input { width: auto; accent-color: var(--lime); }

.section-heading {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  padding: 9px 13px;
  border-bottom: 1px solid var(--line);
}
.section-heading > div:first-child { display: flex; align-items: center; gap: 8px; }
.section-heading span { font-size: 12px; font-weight: 900; }
.section-heading b {
  display: grid;
  min-width: 24px;
  height: 20px;
  padding: 0 6px;
  place-items: center;
  color: #111511;
  background: var(--lime);
  border-radius: 10px;
  font-size: 9px;
}
.section-actions { display: flex; align-items: center; gap: 12px; }
.section-actions small { color: var(--muted); font-size: 9px; }
.add-button {
  padding: 8px 11px;
  color: var(--lime);
  background: transparent;
  border: 1px solid #556445;
  border-radius: 7px;
  font-size: 10px;
  font-weight: 800;
}
.table-scroll { max-height: 250px; overflow: auto; }
.delivery-scroll { max-height: 460px; }
.registry { width: 100%; border-collapse: separate; border-spacing: 0; }
.registry th {
  position: sticky;
  z-index: 2;
  top: 0;
  padding: 8px 6px;
  color: #8e9c95;
  background: #151b19;
  border-bottom: 1px solid var(--line);
  font-size: 8px;
  letter-spacing: .04em;
  text-align: left;
  text-transform: uppercase;
  white-space: nowrap;
}
.registry td { padding: 4px 3px; border-bottom: 1px solid rgb(43 53 49 / 65%); }
.registry tbody tr:hover td { background: rgb(200 240 76 / 2.5%); }
.registry input { height: 31px; padding: 6px 7px; border-color: transparent; background: #0e1311; }
.registry input:focus { border-color: var(--lime); }
.row-number { width: 35px; color: #627069; font: 10px Consolas, monospace; text-align: center; }
.remove-button {
  width: 26px;
  height: 26px;
  padding: 0;
  color: var(--muted);
  background: transparent;
  border: 1px solid #3b4741;
  border-radius: 5px;
}
.remove-button:hover { color: var(--danger); border-color: var(--danger); }
.courier-registry th:nth-child(2), .courier-registry td:nth-child(2) { min-width: 120px; }
.courier-registry th:nth-child(3), .courier-registry td:nth-child(3) { min-width: 150px; }
.courier-registry th:nth-child(7), .courier-registry td:nth-child(7) { min-width: 190px; }
.delivery-registry { min-width: 1670px; }
.delivery-registry th:nth-child(2), .delivery-registry td:nth-child(2) { width: 125px; }
.delivery-registry th:nth-child(3), .delivery-registry td:nth-child(3) { width: 210px; }
.delivery-registry th:nth-child(4), .delivery-registry td:nth-child(4),
.delivery-registry th:nth-child(5), .delivery-registry td:nth-child(5) { width: 115px; }
.delivery-registry th:nth-child(8), .delivery-registry td:nth-child(8),
.delivery-registry th:nth-child(9), .delivery-registry td:nth-child(9) { width: 175px; }
.delivery-registry th:nth-child(12), .delivery-registry td:nth-child(12) { width: 150px; }
.rules-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 14px; }

#resultView.active { display: grid; grid-template-columns: minmax(500px, 1.6fr) minmax(380px, .8fr); }
.map-panel {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 0;
  grid-template-rows: auto minmax(0, 1fr);
}
.result-mode-tabs {
  z-index: 650;
  display: flex;
  gap: 6px;
  min-height: 46px;
  align-items: center;
  padding: 6px 12px;
  background: #101513;
  border-bottom: 1px solid var(--line);
}
.result-mode-tab {
  min-height: 32px;
  padding: 0 14px;
  color: var(--muted);
  background: transparent;
  border: 1px solid #35413c;
  border-radius: 7px;
  font-size: 10px;
  font-weight: 900;
}
.result-mode-tab.active {
  color: #121612;
  background: var(--lime);
  border-color: var(--lime);
}
.result-mode { display: none; min-width: 0; min-height: 0; }
.map-mode {
  position: relative;
  grid-template-rows: auto minmax(0, 1fr);
}
.map-mode.active { display: grid; }
#map {
  width: 100%;
  height: 100%;
  min-height: 260px;
  background: #d9d8cf;
}
.route-legend, .result-overlay { position: absolute; z-index: 500; }
.map-toolbar {
  position: relative;
  z-index: 600;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  min-height: 54px;
  padding: 8px 12px;
  color: var(--ink);
  background: #151b19;
  border-bottom: 1px solid var(--line);
}
.map-toolbar label { flex: 1; color: var(--muted); }
.map-toolbar select {
  padding: 5px 7px;
  color: var(--ink);
  background: #0d1210;
  border-color: #46524c;
}
.map-toolbar button, .json-actions button {
  padding: 6px 8px;
  color: inherit;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 5px;
  font-size: 9px;
}
.result-overlay {
  right: 14px;
  bottom: 14px;
  width: min(430px, calc(100% - 28px));
  max-height: 44%;
  overflow: auto;
  background: rgb(12 16 15 / 94%);
  border: 1px solid #37413d;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgb(0 0 0 / 34%);
  backdrop-filter: blur(10px);
}
.empty-result { padding: 17px; }
.empty-result span { color: var(--lime); font-size: 8px; font-weight: 900; text-transform: uppercase; }
.empty-result strong { display: block; margin-top: 7px; font: 500 18px Georgia, serif; }
.empty-result p { margin: 7px 0 0; color: var(--muted); font-size: 10px; line-height: 1.5; }
.result-summary { display: grid; grid-template-columns: repeat(3, 1fr); }
.result-summary div { padding: 12px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.result-summary div:last-child { border-right: 0; }
.result-summary strong { display: block; font: 500 19px Georgia, serif; }
.result-summary span { color: var(--muted); font-size: 7px; text-transform: uppercase; }
.optimization-result {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: #101613;
  border-bottom: 1px solid var(--line);
}
.optimization-result div { display: flex; flex-direction: column; gap: 2px; }
.optimization-result span {
  color: var(--muted);
  font-size: 7px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.optimization-result strong { font-size: 11px; }
.optimization-result i { color: #5e6b65; font-style: normal; }
.optimization-result b {
  padding: 5px 7px;
  color: #121612;
  background: var(--lime);
  border-radius: 6px;
  font-size: 10px;
}
.route-result { padding: 10px 12px; border-bottom: 1px solid var(--line); }
.route-result header { display: flex; align-items: center; gap: 8px; }
.route-color { width: 8px; height: 8px; border-radius: 50%; }
.route-result strong { font-size: 10px; }
.route-result header span:last-child { margin-left: auto; color: var(--muted); font-size: 9px; }
.route-stops { margin: 8px 0 0; padding-left: 17px; color: #c7d0cb; font-size: 9px; line-height: 1.7; }
.route-legend {
  left: 14px;
  bottom: 14px;
  display: flex;
  max-width: calc(100% - 470px);
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 10px;
  color: #25302a;
  background: rgb(249 247 240 / 94%);
  border-radius: 8px;
  font-size: 9px;
}
.route-legend span { display: flex; align-items: center; gap: 5px; }
.hidden { display: none; }

.json-panel { display: grid; min-height: 0; grid-template-rows: auto minmax(0, 1fr); background: var(--panel); border-left: 1px solid var(--line); }
.json-tabs { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--line); }
.json-tab {
  padding: 15px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
}
.json-tab.active { color: var(--lime); border-bottom-color: var(--lime); }
.json-pane { display: none; min-height: 0; grid-template-rows: auto minmax(0, 1fr); }
.json-pane.active { display: grid; }
.json-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font: 9px Consolas, monospace;
}
#requestJson, #responseJson {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 15px;
  overflow: auto;
  color: #c9d6cf;
  background: #0a0e0d;
  border: 0;
  border-radius: 0;
  font: 10px/1.55 Consolas, monospace;
  resize: none;
  white-space: pre;
}
.point-marker {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  color: #111511;
  background: var(--orange);
  border: 2px solid white;
  border-radius: 50%;
  box-shadow: 0 3px 10px rgb(0 0 0 / 35%);
  font-size: 8px;
  font-weight: 900;
}
.point-marker.depot { background: var(--lime); }

.leaflet-tooltip.route-point-tooltip {
  min-width: 250px;
  padding: 0;
  color: var(--ink);
  background: rgb(12 16 15 / 97%);
  border: 1px solid #46534d;
  border-radius: 9px;
  box-shadow: 0 10px 30px rgb(0 0 0 / 32%);
  font: 10px/1.45 Inter, "Segoe UI", sans-serif;
}
.leaflet-tooltip.route-point-tooltip::before { display: none; }
.point-tooltip { padding: 10px 11px; }
.point-tooltip strong {
  display: block;
  margin-bottom: 2px;
  color: var(--lime);
  font-size: 11px;
}
.point-tooltip-address {
  display: block;
  margin-bottom: 8px;
  color: #c9d2cd;
}
.point-tooltip-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3px 10px;
}
.point-tooltip-grid span:nth-child(odd) { color: var(--muted); }
.point-tooltip-grid span:nth-child(even) { text-align: right; }

.gantt-mode {
  overflow: hidden;
  grid-template-rows: auto minmax(0, 1fr);
  background: #0d1210;
}
.gantt-mode.active { display: grid; }
.gantt-header {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 18px;
  background: #151b19;
  border-bottom: 1px solid var(--line);
}
.gantt-header h2 { margin: 4px 0 0; font: 500 20px Georgia, serif; }
.gantt-legend { display: flex; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: 9px; }
.gantt-legend span { display: flex; align-items: center; gap: 5px; }
.gantt-legend i { width: 14px; height: 7px; border-radius: 2px; }
.gantt-legend .travel { background: #23a38f; }
.gantt-legend .wait { background: #d19b2f; }
.gantt-legend .load { background: #6e77d8; }
.gantt-legend .unload { background: #e46f48; }
.gantt-chart {
  min-height: 0;
  padding: 14px 18px 28px;
  overflow: auto;
}
.gantt-empty {
  display: grid;
  min-height: 220px;
  place-items: center;
  color: var(--muted);
  border: 1px dashed #35413c;
  border-radius: 10px;
  font-size: 11px;
}
.gantt-layout {
  display: grid;
  min-width: 760px;
  grid-template-columns: 170px minmax(560px, 1fr);
  column-gap: 12px;
}
.gantt-corner {
  min-height: 34px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.gantt-axis {
  position: relative;
  min-height: 34px;
  border-bottom: 1px solid var(--line);
}
.gantt-tick {
  position: absolute;
  bottom: 6px;
  color: var(--muted);
  font: 9px Consolas, monospace;
  transform: translateX(-50%);
}
.gantt-tick:first-child { transform: none; }
.gantt-tick:last-child { transform: translateX(-100%); }
.gantt-route-label {
  display: flex;
  min-height: 62px;
  justify-content: center;
  flex-direction: column;
  padding-right: 8px;
  border-bottom: 1px solid #222b27;
}
.gantt-route-label strong { font-size: 10px; }
.gantt-route-label span { margin-top: 3px; color: var(--muted); font-size: 8px; }
.gantt-route-label i {
  width: 8px;
  height: 8px;
  margin-right: 6px;
  border-radius: 50%;
}
.gantt-route-name { display: flex; align-items: center; }
.gantt-track {
  position: relative;
  min-height: 62px;
  overflow: visible;
  border-bottom: 1px solid #222b27;
  background-image: linear-gradient(to right, #26302c 1px, transparent 1px);
  background-size: 20% 100%;
}
.gantt-segment {
  position: absolute;
  top: 14px;
  height: 32px;
  min-width: 3px;
  overflow: hidden;
  padding: 0 5px;
  color: #101410;
  border: 1px solid rgb(255 255 255 / 20%);
  border-radius: 4px;
  font-size: 8px;
  font-weight: 900;
  line-height: 30px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.gantt-segment:hover {
  z-index: 4;
  filter: brightness(1.14);
  outline: 2px solid rgb(255 255 255 / 32%);
}
.gantt-segment.travel { color: white; background: #23a38f; }
.gantt-segment.wait { background: #d19b2f; }
.gantt-segment.load { color: white; background: #6e77d8; }
.gantt-segment.unload { color: white; background: #e46f48; }
.gantt-tooltip {
  position: fixed;
  z-index: 2000;
  width: max-content;
  max-width: min(330px, calc(100vw - 24px));
  padding: 9px 11px;
  pointer-events: none;
  color: var(--ink);
  background: rgb(7 10 9 / 97%);
  border: 1px solid #53615a;
  border-radius: 8px;
  box-shadow: 0 12px 35px rgb(0 0 0 / 45%);
  font: 10px/1.5 Inter, "Segoe UI", sans-serif;
  white-space: pre-line;
}

@media (max-width: 1100px) {
  .brand p, .server-state { display: none; }
  .view-tabs { margin-left: auto; }
  .settings-card { grid-template-columns: repeat(4, 1fr); }
  #resultView.active { grid-template-columns: 1fr; grid-template-rows: 58vh 520px; overflow: auto; }
  .json-panel { min-height: 520px; border-top: 1px solid var(--line); border-left: 0; }
}
@media (max-width: 700px) {
  .workspace { height: auto; min-height: 100%; }
  .topbar { flex-wrap: wrap; height: auto; padding: 10px 12px; }
  .view-tabs { order: 3; width: 100%; height: 42px; }
  .view-tab { flex: 1; min-width: 0; }
  .scenario-bar { padding: 7px 12px; }
  .transport-selector { min-width: 190px; }
  .builder-scroll { padding: 16px 12px 40px; }
  .builder-header { align-items: flex-start; gap: 12px; }
  .builder-actions { align-items: flex-end; flex-direction: column; }
  .builder-actions .primary-button { max-width: 190px; padding: 9px 12px; }
  .settings-card { grid-template-columns: 1fr 1fr; }
  .span-2 { grid-column: span 2; }
  .rules-grid { grid-template-columns: 1fr; }
  .section-actions small { display: none; }
  #resultView.active { grid-template-rows: 65vh 500px; }
  .map-toolbar { align-items: center; }
  .map-toolbar label { font-size: 7px; }
  .route-legend { max-width: calc(100% - 28px); bottom: 210px; }
  .gantt-header { align-items: flex-start; flex-direction: column; gap: 8px; }
}