:root {
  --bg: #f3f4f6;
  --surface: #ffffff;
  --text: #0f172a;
  --line-red: #0055a4; /* Michelin blue */
  --btn-bg: #e9edf2;
  --btn-border: #c4ccd5;
}

html.dark-theme {
  --bg: #171717;
  --surface: #262626;
  --text: #f5f5f5;
  --btn-bg: #323232;
  --btn-border: #4a4a4a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
}

@media (max-width: 920px) {
  .dashboard-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Dashboard Section */
.dashboard-section {
  padding: 20px 24px;
  max-width: 1600px;
  margin: 0 auto;
}

.search-container {
  margin-bottom: 16px;
}

.search-input {
  width: 100%;
  padding: 10px 14px;
  font-size: 15px;
  border: 1px solid var(--btn-border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  outline: none;
}

.search-input:focus {
  border-color: var(--line-red);
  box-shadow: 0 0 0 2px rgba(0, 85, 164, 0.1);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 12px;
}

.fleet-panel {
  background: var(--surface);
  border: 1px solid var(--btn-border);
  border-radius: 10px;
  padding: 16px;
  max-height: 800px;
  display: flex;
  flex-direction: column;
}

.panel-title {
  margin: 0 0 16px 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}

.fleet-list {
  overflow-y: auto;
  flex: 1;
}

.fleet-item {
  padding: 12px;
  margin-bottom: 8px;
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
}

.fleet-item:hover {
  transform: translateX(2px);
  box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.1);
}

.fleet-item.is-selected {
  border-color: var(--line-red);
}

.fleet-name {
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 4px;
}

.fleet-details {
  font-size: 13px;
  color: var(--text);
  opacity: 0.7;
}

.loading-text {
  text-align: center;
  color: var(--text);
  opacity: 0.6;
  font-style: italic;
}

.charts-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
  position: relative;
}

.chart-container {
  background: var(--surface);
  border: 1px solid var(--btn-border);
  border-radius: 10px;
  padding: 12px;
  height: 350px;
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  transition: all 0.3s ease;
}

.chart-container.chart-enlarged {
  border-color: var(--line-red);
  border-width: 3px;
  height: 360px;
  width: 100%;
  transform: scale(1.02);
  box-shadow: 0 0 20px rgba(0, 85, 164, 0.3);
}

.chart-container canvas {
  width: 100% !important;
  max-height: 210px;
  margin-top: 8px;
}

.chart-title {
  margin: 0 0 8px 0;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  color: var(--text);
  white-space: pre-line;
  line-height: 1.4;
  width: 100%;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.fleet-indicators {
  position: fixed;
  bottom: 96px;
  left: 63%;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
  gap: 24px;
  padding-top: 0;
  flex-wrap: wrap;
  z-index: 10;
  pointer-events: none;
}

.fleet-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 126px;
  color: var(--text);
  transition: opacity 0.2s ease;
  pointer-events: auto;
}

.fleet-indicators.is-muted .fleet-indicator {
  opacity: 0.35;
  pointer-events: none;
}

.indicator-count {
  min-height: 24px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
}

.fleet-indicators.is-muted .indicator-count {
  visibility: hidden;
}

.indicator-label {
  margin-top: 4px;
  font-size: 15px;
  line-height: 1.1;
}

.indicator-icon {
  margin-top: 8px;
  width: 108px;
  height: 86px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--btn-border);
  background: var(--surface);
}

.indicator-icon svg {
  width: 76px;
  height: 76px;
}

.fleet-indicator-btn {
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
}

.fleet-indicator-btn:hover .indicator-icon {
  border-color: var(--line-red);
  box-shadow: 0 0 0 1px var(--line-red);
}