:root {
  color-scheme: light;
  --bg: #f5f7f9;
  --surface: #ffffff;
  --surface-muted: #eef2f5;
  --border: #d9e0e7;
  --text: #17212b;
  --muted: #657487;
  --blue: #1f6feb;
  --green: #15803d;
  --amber: #b45309;
  --red: #b42318;
  --shadow: 0 12px 30px rgba(25, 37, 52, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family:
    "Segoe UI",
    "Noto Sans KR",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  letter-spacing: 0;
}

button {
  min-height: 36px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

button:hover {
  border-color: #9aa9b8;
  background: #f9fbfc;
}

.app-shell {
  display: grid;
  grid-template-rows: 58px minmax(0, 1fr);
  width: 100%;
  height: 100%;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(23, 33, 43, 0.02);
}

.brand {
  font-size: 18px;
}

.subtitle {
  margin-left: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.status-pill.is-online {
  border-color: rgba(21, 128, 61, 0.25);
  background: rgba(21, 128, 61, 0.08);
  color: var(--green);
}

.status-pill.is-error {
  border-color: rgba(180, 35, 24, 0.25);
  background: rgba(180, 35, 24, 0.08);
  color: var(--red);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  min-height: 0;
}

.sidebar {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 12px;
  min-height: 0;
  padding: 14px;
  border-right: 1px solid var(--border);
  background: #fbfcfd;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.metric {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.metric-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.metric strong {
  display: block;
  margin-top: 4px;
  font-size: 24px;
  line-height: 1.1;
}

.view-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-muted);
}

.tab-button {
  min-width: 0;
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.tab-button.is-active {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 4px rgba(25, 37, 52, 0.08);
}

.vehicle-panel {
  min-height: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.vehicle-panel.is-hidden {
  display: none;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid var(--border);
}

.panel-heading h1 {
  margin: 0;
  font-size: 16px;
  line-height: 1.2;
}

.panel-heading span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.vehicle-list {
  height: calc(100% - 50px);
  overflow: auto;
}

.driver-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

.driver-form label {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.driver-form label:nth-child(3),
.driver-form label:nth-child(4),
.driver-form button {
  grid-column: 1 / -1;
}

.driver-form span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.driver-form input {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0 9px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

.driver-form input:focus {
  border-color: var(--blue);
  outline: 2px solid rgba(31, 111, 235, 0.14);
}

.driver-list {
  height: calc(100% - 259px);
  min-height: 160px;
  overflow: auto;
}

.driver-item {
  display: grid;
  gap: 10px;
  padding: 13px 14px;
  border-bottom: 1px solid var(--border);
}

.driver-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
}

.driver-title {
  min-width: 0;
}

.driver-title strong,
.driver-token code {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.driver-token {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #f8fafb;
}

.driver-token code {
  color: #25313d;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 12px;
}

.driver-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.empty-state {
  padding: 20px 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.vehicle-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  padding: 13px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.vehicle-item:hover {
  background: #f6f9fb;
}

.vehicle-main {
  min-width: 0;
}

.vehicle-title {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.vehicle-title strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.vehicle-meta {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 7px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
}

.badge.active {
  background: rgba(21, 128, 61, 0.1);
  color: var(--green);
}

.badge.stale {
  background: rgba(180, 83, 9, 0.12);
  color: var(--amber);
}

.badge.offline {
  background: rgba(180, 35, 24, 0.1);
  color: var(--red);
}

.speed {
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.map-panel {
  position: relative;
  min-width: 0;
  min-height: 0;
}

#map {
  width: 100%;
  height: 100%;
  background: #dfe7ed;
}

.map-message {
  position: absolute;
  z-index: 5;
  top: 14px;
  left: 50%;
  max-width: min(420px, calc(100% - 28px));
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--muted);
  box-shadow: var(--shadow);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
  transform: translateX(-50%);
}

.map-message.is-hidden {
  display: none;
}

.history-drawer {
  position: absolute;
  z-index: 4;
  right: 14px;
  bottom: 14px;
  left: 14px;
  max-height: min(310px, calc(100% - 28px));
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.history-drawer.is-hidden {
  display: none;
}

.history-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

.history-heading strong,
.history-heading span {
  display: block;
}

.history-heading span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.history-list {
  display: grid;
  max-height: 248px;
  overflow: auto;
}

.history-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) 72px;
  gap: 10px;
  align-items: center;
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.history-row time,
.history-row span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-row time {
  color: var(--muted);
  font-weight: 800;
}

.truck-marker {
  --truck-color: var(--blue);
  --truck-cab: #1556b8;
  position: relative;
  display: inline-flex;
  align-items: flex-end;
  width: max-content;
  min-width: 56px;
  min-height: 34px;
  border: 0;
  padding: 0 0 7px;
  background: transparent;
  color: #ffffff;
  filter: drop-shadow(0 8px 13px rgba(16, 32, 48, 0.28));
  font-family: inherit;
  cursor: pointer;
}

.truck-marker.stale {
  --truck-color: var(--amber);
  --truck-cab: #8f4307;
}

.truck-marker.offline {
  --truck-color: var(--red);
  --truck-cab: #8f1d15;
}

.truck-marker::before,
.truck-marker::after {
  content: "";
  position: absolute;
  bottom: 1px;
  width: 7px;
  height: 7px;
  border: 2px solid #ffffff;
  border-radius: 50%;
  background: #17212b;
}

.truck-marker::before {
  left: 10px;
}

.truck-marker::after {
  right: 11px;
}

.truck-marker__trailer {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 22px;
  padding: 0 7px;
  border: 2px solid #ffffff;
  border-right: 0;
  border-radius: 5px 0 0 5px;
  background: var(--truck-color);
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.truck-marker__cab {
  position: relative;
  width: 18px;
  height: 19px;
  border: 2px solid #ffffff;
  border-radius: 0 6px 5px 0;
  background: var(--truck-cab);
}

.truck-marker__cab::before {
  content: "";
  position: absolute;
  top: 3px;
  right: 3px;
  width: 7px;
  height: 5px;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.72);
}

.leaflet-truck-marker {
  border: 0;
  background: transparent;
}

.kakao-popup {
  min-width: 180px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  color: var(--text);
  font-size: 13px;
  line-height: 1.45;
}

.popup-title {
  display: block;
  margin-bottom: 6px;
  font-weight: 900;
}

.popup-cargo {
  margin-top: 6px;
  font-weight: 900;
}

@media (max-width: 860px) {
  .app-shell {
    grid-template-rows: auto minmax(0, 1fr);
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px;
  }

  .toolbar {
    width: 100%;
    flex-wrap: wrap;
  }

  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(260px, 38vh) minmax(0, 1fr);
  }

  .sidebar {
    order: 2;
    border-top: 1px solid var(--border);
    border-right: 0;
  }

  .map-panel {
    order: 1;
  }

  .driver-actions {
    grid-template-columns: 1fr;
  }

  .history-drawer {
    right: 8px;
    bottom: 8px;
    left: 8px;
  }

  .history-row {
    grid-template-columns: 82px minmax(0, 1fr);
  }

  .history-row span:last-child {
    display: none;
  }
}