:root {
  --bg-gradient-start: #031b3a;
  --bg-gradient-end: #064663;
  --accent: #ffb347;
  --accent-soft: rgba(255, 179, 71, 0.15);
  --card-bg: rgba(10, 20, 45, 0.96);
  --border-subtle: rgba(255, 255, 255, 0.05);
  --text-main: #fdfdfd;
  --text-muted: #cdd3e3;
  --danger: #ff4d6a;
  --success: #3fd5a1;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  background: radial-gradient(circle at top left, #0c2340, #020817 55%, #021126 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 24px;
}

.shell {
  width: 100%;
  max-width: 1200px;
  background: linear-gradient(145deg, rgba(6, 25, 56, 0.96), rgba(2, 12, 29, 0.98));
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.65);
  padding: 24px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  overflow: hidden;
}

.shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(66, 220, 255, 0.18), transparent 55%),
    radial-gradient(circle at bottom left, rgba(255, 179, 71, 0.15), transparent 55%);
  pointer-events: none;
  opacity: 0.9;
}

.hero {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.hero-left {
  max-width: 420px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(3, 27, 58, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 12px rgba(63, 213, 161, 0.85);
}

h1 {
  margin: 0;
  font-size: clamp(28px, 3.3vw, 34px);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

h1 span.logo-pill {
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffb347, #ff6b6b);
  color: #1b1630;
}

.hero-tagline {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-muted);
  max-width: 420px;
}

.hero-metrics {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.metric-chip {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(3, 19, 49, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 11px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--text-muted);
}

.metric-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}

.hero-right {
  flex: 1;
  min-width: 260px;
  display: flex;
  justify-content: flex-end;
}

.map-card {
  width: 100%;
  max-width: 380px;
  background: radial-gradient(circle at top, rgba(13, 56, 105, 0.95), rgba(2, 10, 25, 0.98));
  border-radius: 18px;
  padding: 14px 14px 18px;
  border: 1px solid rgba(163, 195, 255, 0.16);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
  position: relative;
  overflow: hidden;
}

.map-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.map-legend {
  display: flex;
  gap: 8px;
  font-size: 10px;
  color: var(--text-muted);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.legend-swatch {
  width: 9px;
  height: 9px;
  border-radius: 999px;
}

.map-svg-wrapper {
  background: radial-gradient(circle at top, rgba(9, 18, 45, 0.95), rgba(2, 9, 24, 0.98));
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: 8px;
  overflow: hidden;
}

svg#park-map {
  width: 100%;
  height: auto;
  display: block;
}

.content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.3fr);
  gap: 18px;
}

@media (max-width: 880px) {
  .content {
    grid-template-columns: minmax(0, 1fr);
  }
  .hero {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-right {
    justify-content: flex-start;
  }
}

.panel {
  background: rgba(4, 16, 40, 0.96);
  border-radius: 18px;
  padding: 16px 16px 18px;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.panel-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.panel-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 12px;
  margin-top: 8px;
}

.form-row-full {
  grid-column: 1 / -1;
}

label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

input[type="text"],
select {
  width: 100%;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(3, 16, 36, 0.9);
  color: var(--text-main);
  font-size: 13px;
  outline: none;
}

input[type="text"]::placeholder {
  color: rgba(191, 195, 215, 0.65);
}

input[type="range"] {
  width: 100%;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
  min-height: 22px;
}

.chip {
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(6, 30, 72, 0.9);
  border: 1px solid rgba(99, 179, 237, 0.45);
  font-size: 11px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chip button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  font-size: 11px;
}

.primary-btn {
  margin-top: 12px;
  padding: 9px 14px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #ffb347, #ff6b6b);
  color: #1d1630;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
}

.primary-btn:disabled {
  opacity: 0.65;
  cursor: default;
  box-shadow: none;
}

.spinner {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 2px solid rgba(29, 22, 48, 0.7);
  border-top-color: #1d1630;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 10px;
}

@media (max-width: 720px) {
  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.metric-card {
  padding: 10px 10px 9px;
  border-radius: 14px;
  background: radial-gradient(circle at top left, rgba(12, 40, 80, 0.95), rgba(3, 14, 36, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
}

.metric-label {
  color: var(--text-muted);
  font-size: 11px;
  margin-bottom: 4px;
}

.metric-value {
  font-size: 16px;
  font-weight: 600;
}

.metric-bar {
  margin-top: 6px;
  width: 100%;
  height: 5px;
  border-radius: 999px;
  background: rgba(12, 32, 66, 0.9);
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3fd5a1, #ffb347);
  width: 0%;
  transition: width 0.4s ease-out;
}

.timeline {
  margin-top: 10px;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 4px;
}

.stop-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 10px;
  padding: 10px 10px 9px;
  border-radius: 14px;
  background: rgba(5, 18, 42, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 8px;
}

.stop-step {
  width: 26px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
}

.stop-step-circle {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid rgba(111, 207, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

.stop-step-line {
  flex: 1;
  width: 2px;
  background: linear-gradient(to bottom, rgba(111, 207, 255, 0.7), transparent);
}

.stop-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stop-title {
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.stop-title .suggested-badge {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(102, 160, 255, 0.2);
  border: 1px solid rgba(102, 160, 255, 0.5);
  color: #9fc5ff;
}

.stop-time {
  font-size: 12px;
  color: var(--text-muted);
}

.stop-meta {
  margin-top: 4px;
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.pill {
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(7, 32, 70, 0.9);
  border: 1px solid rgba(111, 207, 255, 0.4);
}

.empty-state {
  font-size: 12px;
  color: var(--text-muted);
  padding: 18px 6px 8px;
  text-align: center;
}

.error-banner {
  margin-top: 10px;
  padding: 6px 9px;
  border-radius: 10px;
  background: rgba(255, 77, 106, 0.08);
  border: 1px solid rgba(255, 77, 106, 0.5);
  font-size: 12px;
  color: #ffcdd5;
  display: none;
}

.system-response-wrap {
  margin-top: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  background: rgba(2, 12, 28, 0.95);
  overflow: hidden;
}
.system-response-toggle {
  width: 100%;
  padding: 8px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: rgba(6, 20, 45, 0.9);
  border: none;
  cursor: pointer;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 6px;
}
.system-response-toggle:hover {
  background: rgba(10, 28, 58, 0.95);
  color: var(--text-main);
}
.system-response-body {
  display: none;
  padding: 10px 12px;
  max-height: 280px;
  overflow: auto;
}
.system-response-body.open {
  display: block;
}
.system-response-body pre {
  margin: 0;
  font-size: 10px;
  color: #a8b5cc;
  white-space: pre-wrap;
  word-break: break-all;
}
.suggested-note {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 10px;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(102, 160, 255, 0.08);
  border: 1px solid rgba(102, 160, 255, 0.2);