:root {
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: #dce5e6;
  background: #0b1215;
  font-synthesis: none;
  --bg: #10191d;
  --panel: #141f24;
  --line: #29363d;
  --muted: #8b9ea5;
  --mint: #8ee0ca;
  --amber: #edbd78;
  --red: #f09386;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
button,
input,
select {
  font: inherit;
}
button,
select {
  cursor: pointer;
}
button {
  color: #c9d8dc;
  background: #202e35;
  border: 1px solid #35434b;
  border-radius: 5px;
  padding: 9px 11px;
  font-size: 13px;
  font-weight: 550;
  transition:
    background 0.15s,
    border-color 0.15s;
}
button:hover {
  background: #30434a;
  border-color: #668083;
}
button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}
select,
input {
  background: #101b20;
  color: #d9e5e8;
  border: 1px solid #35434b;
  border-radius: 5px;
  padding: 8px;
  font-size: 13px;
  min-width: 0;
}
select {
  color-scheme: dark;
}
input {
  width: 100%;
  padding: 8px 6px;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2 {
  font-size: 14px;
  font-weight: 600;
}
h3 {
  font-size: 24px;
  letter-spacing: 0.025em;
}
.topbar {
  height: 74px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: #111c21;
  gap: 32px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  white-space: nowrap;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid #4f837b;
  border-radius: 10px;
  background: #203b3b;
  color: var(--mint);
  font-size: 26px;
}
.brand strong {
  font-size: 23px;
  letter-spacing: 0.04em;
}
.brand strong span {
  font-size: 11px;
  font-weight: 550;
  display: block;
  letter-spacing: 0.13em;
  color: #99aeb4;
  margin-top: 3px;
}
.edition {
  border-left: 1px solid #415058;
  padding-left: 17px;
  margin-left: 7px;
  letter-spacing: 0.15em;
  color: var(--muted);
  font-size: 11px;
}
.session-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
}
.status-dot.live {
  background: var(--mint);
  box-shadow: 0 0 9px #8ee0ca30;
}
.divider {
  height: 20px;
  width: 1px;
  background: var(--line);
  margin: 0 10px;
}
#clock {
  font:
    16px ui-monospace,
    SFMono-Regular,
    monospace;
  letter-spacing: 0.05em;
}
.session-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}
.session-controls button {
  padding: 8px 12px;
}
.session-controls #pause {
  width: 94px;
}
.icon-button {
  width: 33px !important;
  border-radius: 50%;
  padding: 5px !important;
  margin-left: 8px;
}
.workspace {
  display: grid;
  grid-template-columns: 222px minmax(360px, 1fr) 340px;
  grid-template-rows: minmax(620px, calc(100vh - 257px)) 145px;
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}
.panel {
  background: var(--bg);
  min-width: 0;
  min-height: 0;
}
.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 18px 18px 15px;
}
.eyebrow {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.count {
  background: #2b3c44;
  border-radius: 5px;
  padding: 3px 7px;
  color: #adc4ce;
  font:
    12px ui-monospace,
    monospace;
}
.traffic-panel {
  grid-row: 1/3;
  display: flex;
  flex-direction: column;
}
.traffic-setting {
  padding: 0 17px 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.traffic-setting label {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.traffic-setting select {
  padding: 6px 7px;
  font-size: 12px;
}
.traffic-tabs {
  display: flex;
  margin: 0 12px 10px;
  background: #0b1418;
  padding: 3px;
  border-radius: 5px;
}
.traffic-tabs button {
  font-size: 11px;
  border: 0;
  background: transparent;
  flex: 1;
  padding: 7px 4px;
}
.traffic-tabs .active {
  background: #2a3b43;
  color: #ecf3f4;
}
.strips {
  padding: 2px 11px;
  flex: 1;
  overflow: auto;
}
.strip {
  width: 100%;
  text-align: left;
  padding: 13px 12px;
  background: #19262d;
  border: 1px solid #293b43;
  border-left: 3px solid #678b83;
  border-radius: 5px;
  margin-bottom: 8px;
  font-weight: 400;
}
.strip.arrival {
  border-left-color: #a38a65;
}
.strip.selected {
  background: #203b3c;
  border-color: #70a497;
  border-left-color: var(--mint);
}
.strip.arrival.selected {
  border-color: #c5a877;
  border-left-color: var(--amber);
}
.strip-top,
.strip-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.strip-top strong {
  font:
    600 14px ui-monospace,
    monospace;
  letter-spacing: 0.045em;
}
.strip-top span {
  font:
    10px ui-monospace,
    monospace;
  color: #9cafb8;
}
.strip-route {
  font-size: 11px;
  color: #9fafb6;
  margin: 7px 0 10px;
}
.strip-bottom {
  font-size: 10px;
  letter-spacing: 0.02em;
  color: var(--mint);
}
.strip.arrival .strip-bottom {
  color: var(--amber);
}
.strip-bottom b {
  font:
    10px ui-monospace,
    monospace;
  color: #beced3;
}
.strip-alert {
  color: var(--red);
  font-size: 10px;
  margin-top: 7px;
}
.session-score {
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding: 20px 12px;
}
.session-score div {
  text-align: center;
}
.session-score strong {
  font:
    21px ui-monospace,
    monospace;
  display: block;
}
.session-score span {
  font-size: 8px;
  color: var(--muted);
  letter-spacing: 0.06em;
  display: block;
  margin-top: 7px;
}
.map-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.view-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 17px 22px;
  border-bottom: 1px solid #24323a;
}
.view-heading h2 {
  font-size: 17px;
  margin-top: 7px;
  font-weight: 500;
}
.segmented {
  display: flex;
  background: #0b1317;
  padding: 3px;
  border: 1px solid #2a3941;
  border-radius: 6px;
}
.segmented button {
  border: 0;
  background: transparent;
  font-size: 12px;
  padding: 7px 10px;
  white-space: nowrap;
}
.segmented button.active {
  background: #30464e;
  color: #dbf3ed;
}
.viewport {
  position: relative;
  min-height: 0;
  overflow: hidden;
  background: #111e22;
  isolation: isolate;
}
.viewport canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
  outline: none;
}
#main-viewport {
  flex: 1;
  min-height: 300px;
}
.loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 14px;
  z-index: 5;
}
.view-overlay {
  position: absolute;
  inset: 20px;
  pointer-events: none;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.north {
  text-align: center;
  font:
    12px ui-monospace,
    monospace;
  color: #9dafb5;
  line-height: 1.7;
}
.map-tools {
  display: flex;
  flex-direction: column;
  gap: 5px;
  pointer-events: auto;
}
.map-tools button {
  width: 30px;
  height: 30px;
  background: #16242bec;
  padding: 0;
  font-size: 19px;
  font-weight: 400;
}
.labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 2;
}
.aircraft-label {
  position: absolute;
  pointer-events: auto;
  background: #112025e6;
  border: 1px solid #628e81;
  border-radius: 3px;
  padding: 5px 7px;
  font:
    10px ui-monospace,
    monospace;
  white-space: nowrap;
  color: var(--mint);
  transform: translate(10px, -100%);
  box-shadow: 0 3px 8px #0002;
}
.aircraft-label.arrival {
  color: var(--amber);
  border-color: #7b705c;
}
.aircraft-label.selected {
  border-color: #edffff;
  background: #254844f2;
  color: #fff;
  z-index: 4;
}
.aircraft-label span {
  display: block;
  color: #a6babf;
  font-size: 9px;
  margin-top: 3px;
}
.airport-label {
  position: absolute;
  transform: translate(-50%, -50%);
  font:
    9px ui-monospace,
    monospace;
  color: #b8cbc7;
  white-space: nowrap;
  text-shadow:
    0 1px 4px #071114,
    0 1px 3px #071114;
}
.airport-label.runway {
  font-size: 11px;
  font-weight: 600;
  color: #e2e9e3;
  padding: 3px;
  background: #101e24aa;
  border-radius: 3px;
}
.airport-label.terminal {
  font:
    10px ui-sans-serif,
    sans-serif;
  letter-spacing: 0.12em;
  color: #b2c2c9;
}
.map-key {
  display: flex;
  gap: 16px;
  position: absolute;
  bottom: 38px;
  left: 20px;
  font-size: 10px;
  z-index: 3;
  color: #99b0b4;
  background: #101b21b0;
  padding: 6px 0;
}
.map-key span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.map-key i {
  width: 5px;
  height: 5px;
  display: block;
  border-radius: 50%;
}
.mint {
  background: var(--mint);
}
.amber {
  background: var(--amber);
}
.white {
  background: #ddd;
}
.view-hint {
  position: absolute;
  bottom: 14px;
  left: 20px;
  font-size: 10px;
  color: #738d96;
  z-index: 3;
}
.is-tower .view-hint {
  color: #d7e5e9;
  text-shadow: 0 1px 3px #10262e;
}
.is-tower .north {
  visibility: hidden;
}
.runway-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  border-top: 1px solid var(--line);
}
#runway-status {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.runway-chip {
  display: flex;
  gap: 5px;
  align-items: center;
  padding: 5px 7px;
  font:
    10px ui-monospace,
    monospace;
  background: #1e2e33;
  border-radius: 3px;
  color: #bbcdc8;
}
.runway-chip i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #6b9f8c;
}
.runway-chip.busy {
  background: #3a3027;
  color: var(--amber);
}
.runway-chip.busy i {
  background: var(--amber);
}
.control-column {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-height: 0;
  background: var(--line);
  grid-column: 3;
  grid-row: 1/3;
}
.tower-panel {
  height: 31%;
  min-height: 222px;
  display: flex;
  flex-direction: column;
}
.tower-panel .panel-heading {
  padding: 16px 17px 13px;
}
#secondary-viewport {
  flex: 1;
  min-height: 140px;
}
.live-tag {
  display: flex;
  gap: 5px;
  align-items: center;
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--mint);
}
.live-tag:before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
}
.tower-hint {
  font-size: 9px;
  position: absolute;
  bottom: 9px;
  left: 12px;
  z-index: 3;
  color: #c3d1d7;
  text-shadow: 0 1px 3px #142531;
}
.tower-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 13px;
  background: #1b2b32;
}
.tower-footer span {
  font-size: 9px;
  letter-spacing: 0.1em;
  color: #9eb3bb;
}
.tower-footer button {
  padding: 4px;
  border: 0;
  background: none;
  font-size: 10px;
  color: #b8d9d2;
}
.command-panel {
  flex: 1;
  overflow: auto;
  padding-bottom: 12px;
}
.command-panel .panel-heading {
  padding-bottom: 18px;
  border-bottom: 1px solid #23343a;
}
.command-panel .eyebrow {
  font-size: 9px;
}
#selected-control {
  padding: 18px 17px 0;
}
.aircraft-identity {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.aircraft-identity h3 {
  font:
    600 23px ui-monospace,
    monospace;
}
.aircraft-identity .muted {
  font-size: 10px;
  display: block;
  margin-top: 5px;
}
.phase {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--mint);
  padding: 5px 7px;
  background: #203d39;
  border-radius: 3px;
}
.telemetry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 18px 0 14px;
}
.telemetry span {
  display: block;
  color: #81969f;
  font-size: 9px;
  letter-spacing: 0.08em;
}
.telemetry strong {
  display: block;
  margin-top: 6px;
  font:
    17px ui-monospace,
    monospace;
  color: #d8e4e6;
}
.telemetry strong small {
  font-size: 10px;
  color: var(--muted);
}
.clearance {
  font-size: 11px;
  color: #b5c6cb;
  line-height: 1.6;
  padding: 9px 11px;
  background: #0d171b;
  border-left: 2px solid #4e6d76;
  margin-bottom: 16px;
  min-height: 34px;
}
.aircraft-alert {
  color: var(--red);
  font-size: 11px;
  margin-bottom: 13px;
  line-height: 1.5;
}
.field-label {
  display: block;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: #8b9fa8;
  margin-bottom: 6px;
}
#runway,
#gate {
  width: 100%;
}
.clearance-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin-top: 11px;
}
.clearance-actions button {
  font-size: 11px;
  padding: 9px 5px;
}
.primary {
  background: #7ed3be;
  border-color: #91dfcd;
  color: #102e2b;
}
.primary:hover {
  background: #a2e9d6;
  border-color: #c0f9e8;
}
.warning {
  color: #efbb87;
  background: #3b3128;
  border-color: #6c5340;
}
button[hidden] {
  display: none;
}
.vector-fields {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 17px 0 8px;
}
.vector-fields label {
  font-size: 9px;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.vector-fields input {
  display: block;
  margin-top: 6px;
  font:
    13px ui-monospace,
    monospace;
}
.full-width {
  width: 100%;
  font-size: 11px;
}
.empty-selection {
  padding: 40px 28px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}
.empty-selection > span {
  font-size: 32px;
  display: block;
  margin-bottom: 15px;
  color: #718c92;
}
#command-result {
  margin: 12px 17px 0;
  font-size: 11px;
  color: var(--mint);
  line-height: 1.5;
}
#command-result.error {
  color: var(--red);
}
.log-panel {
  grid-column: 2;
  grid-row: 2;
  display: flex;
  flex-direction: column;
}
.log-title {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px 10px;
}
.log-title h2 {
  font-size: 12px;
}
.log-title .eyebrow {
  font-size: 8px;
}
#event-log {
  overflow: auto;
  padding: 0 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.log-row {
  display: flex;
  gap: 12px;
  font-size: 10px;
  line-height: 1.5;
  color: #b6c8cd;
}
.log-row time {
  font:
    10px ui-monospace,
    monospace;
  color: #738b95;
  white-space: nowrap;
  padding-top: 2px;
}
.log-row.warning,
.log-row.error {
  background: transparent;
  color: #edbb7b;
}
.statusbar {
  height: 37px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 20px;
  font-size: 9px;
  color: #80959f;
  letter-spacing: 0.055em;
  background: #10191d;
}
.statusbar > span:first-child {
  display: flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}
.footer-divider {
  margin: 0 7px;
}
a {
  color: #8bacb6;
  text-decoration: none;
}
a:hover {
  color: var(--mint);
}
.muted {
  color: var(--muted);
}
dialog {
  width: min(580px, 90vw);
  border: 1px solid #465c64;
  border-radius: 12px;
  background: #152329;
  color: #d8e4e7;
  padding: 27px;
  box-shadow: 0 25px 100px #0008;
}
dialog::backdrop {
  background: #040c10bb;
  backdrop-filter: blur(5px);
}
.dialog-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.dialog-heading h2 {
  font-size: 21px;
  font-weight: 550;
}
.dialog-heading button {
  padding: 2px 8px;
  background: none;
  border: none;
  font-size: 24px;
}
dialog p,
dialog li {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 14px;
}
dialog ol {
  padding-left: 20px;
}
dialog .muted {
  font-size: 12px;
}
.dialog-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 24px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
[hidden] {
  display: none !important;
}
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-thumb {
  background: #344951;
  border-radius: 5px;
}
@media (min-width: 1700px) {
  .workspace {
    grid-template-columns: 250px minmax(500px, 1fr) 385px;
  }
  .tower-panel {
    height: 35%;
  }
  .command-panel button {
    font-size: 12px;
  }
  .telemetry strong {
    font-size: 20px;
  }
  .strip {
    padding: 15px;
  }
  .strip-route {
    font-size: 12px;
  }
  .strip-top strong {
    font-size: 15px;
  }
}
@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: 190px minmax(320px, 1fr) 300px;
  }
  .topbar {
    padding: 0 15px;
    gap: 15px;
  }
  .edition {
    display: none;
  }
  .view-heading {
    padding: 15px;
  }
  .view-heading .eyebrow {
    font-size: 8px;
  }
  .segmented button {
    font-size: 11px;
    padding: 7px;
  }
  .map-key {
    gap: 8px;
    font-size: 8px;
  }
  .runway-bar {
    gap: 8px;
    padding: 11px;
  }
  .runway-bar > .eyebrow {
    display: none;
  }
  .statusbar {
    font-size: 8px;
  }
  .session-controls #pause {
    width: auto;
  }
  .session-status {
    font-size: 9px;
  }
}
@media (max-width: 850px) {
  .workspace {
    grid-template-columns: 170px minmax(300px, 1fr);
    grid-template-rows: 600px auto auto;
  }
  .control-column {
    grid-column: 1/3;
    grid-row: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .tower-panel {
    height: 100%;
    min-height: 400px;
  }
  .command-panel {
    min-height: 480px;
  }
  .log-panel {
    grid-row: 3;
    grid-column: 1/3;
    height: 140px;
  }
  .traffic-panel {
    grid-row: 1;
  }
  .session-status #connection-label {
    display: none;
  }
  .topbar {
    height: 67px;
  }
  .brand strong {
    font-size: 20px;
  }
  .brand strong span {
    font-size: 9px;
  }
  .statusbar > span:nth-child(2) {
    display: none;
  }
}
@media (max-width: 520px) {
  .workspace {
    display: flex;
    flex-direction: column;
  }
  .traffic-panel {
    order: 2;
  }
  .traffic-panel .panel-heading,
  .traffic-setting,
  .traffic-tabs,
  .session-score {
    display: none;
  }
  .strips {
    display: flex;
    overflow: auto;
    gap: 7px;
    padding: 10px;
  }
  .strip {
    flex: 0 0 170px;
    margin: 0;
  }
  .map-panel {
    height: 530px;
    order: 1;
  }
  .control-column {
    order: 3;
    display: flex;
  }
  .tower-panel {
    min-height: 270px;
  }
  .command-panel {
    min-height: 440px;
  }
  .log-panel {
    order: 4;
  }
  .brand-mark {
    width: 30px;
    height: 30px;
    font-size: 22px;
  }
  .brand {
    gap: 8px;
  }
  .brand strong {
    font-size: 18px;
  }
  .brand strong span {
    font-size: 8px;
  }
  .topbar {
    gap: 10px;
    padding: 0 10px;
  }
  .session-status {
    gap: 3px;
  }
  .session-status .divider {
    display: none;
  }
  #clock {
    font-size: 12px;
  }
  .session-controls {
    gap: 5px;
  }
  .session-controls #pause span {
    display: none;
  }
  .session-controls #pause {
    padding: 7px 9px;
  }
  .session-controls select {
    font-size: 10px;
    padding: 7px 3px;
  }
  .icon-button {
    margin: 0;
    width: 25px !important;
    font-size: 11px;
  }
  .statusbar {
    padding: 0 10px;
  }
  .control-column .tower-panel {
    height: 270px;
  }
}