:root {
  color-scheme: dark;
  --bg: #070a14;
  --panel: rgba(17, 24, 45, 0.78);
  --panel-strong: rgba(24, 34, 64, 0.92);
  --line: rgba(255, 255, 255, 0.12);
  --text: #edf3ff;
  --muted: #9fb0d0;
  --accent: #69f0ae;
  --accent-2: #7c9cff;
  --danger: #ff6b7a;
  --warning: #ffd166;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 8%, rgba(105, 240, 174, 0.20), transparent 34rem),
    radial-gradient(circle at 92% 20%, rgba(124, 156, 255, 0.20), transparent 30rem),
    linear-gradient(135deg, #050711 0%, #0c1328 55%, #050711 100%);
}

button, input, a { font: inherit; }
button { cursor: pointer; }

.app-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 16px 40px;
}

.glass {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 28px;
  overflow: hidden;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -80px -130px auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(105, 240, 174, 0.13);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1, h2, h3, h4, p { margin-top: 0; }
h1 { margin-bottom: 10px; font-size: clamp(2.2rem, 8vw, 5rem); line-height: 0.95; letter-spacing: -0.07em; }
h2 { margin-bottom: 8px; font-size: clamp(1.6rem, 5vw, 3rem); letter-spacing: -0.04em; }
h3 { margin: 24px 0 12px; }
h4 { margin-bottom: 4px; font-size: 1.15rem; }

.subtitle { color: var(--muted); max-width: 720px; line-height: 1.55; margin-bottom: 0; }
.subtitle.compact { max-width: 520px; }

.hero-stat {
  min-width: 134px;
  display: grid;
  place-items: center;
  padding: 18px;
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(105,240,174,0.18), rgba(124,156,255,0.14));
  border: 1px solid var(--line);
  z-index: 1;
}
.hero-stat span { font-size: 2.1rem; font-weight: 900; letter-spacing: -0.04em; }
.hero-stat small { color: var(--muted); }

.controls { margin-top: 16px; padding: 18px; }

.route-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
.toggle-button {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-weight: 850;
}
.toggle-button.active {
  color: #08110d;
  background: linear-gradient(135deg, var(--accent), #b8ffd8);
  box-shadow: 0 12px 34px rgba(105, 240, 174, 0.22);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}
label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(2, 6, 18, 0.65);
  color: var(--text);
  padding: 12px 13px;
  outline: none;
}
input:focus { border-color: rgba(105, 240, 174, 0.75); box-shadow: 0 0 0 3px rgba(105, 240, 174, 0.14); }

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
.compare-card { padding: 18px; transition: 160ms ease; }
.compare-card.selected { border-color: rgba(105,240,174,0.62); transform: translateY(-2px); }
.compare-head { display: flex; justify-content: space-between; gap: 14px; align-items: start; }
.pill, .big-pill {
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  padding: 7px 11px;
  background: rgba(255,255,255,0.08);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  white-space: nowrap;
}
.big-pill { padding: 10px 14px; color: #07130d; }
.big-pill.ok { background: var(--accent); }
.big-pill.bad { background: var(--danger); color: white; }

.metric-row, .summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.metric-row div, .summary-grid div {
  display: grid;
  gap: 2px;
  padding: 12px;
  border-radius: 18px;
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.07);
}
.metric-row strong, .summary-grid strong { font-size: 1.25rem; letter-spacing: -0.03em; }
.metric-row span, .summary-grid span { color: var(--muted); font-size: 0.78rem; font-weight: 750; }

.plan { margin-top: 16px; padding: 22px; }
.plan-header { display: flex; justify-content: space-between; align-items: start; gap: 16px; }
.summary-grid { grid-template-columns: repeat(6, 1fr); margin-top: 16px; }

.action-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.primary-action, .secondary-action {
  border: 0;
  border-radius: 18px;
  padding: 14px 18px;
  text-decoration: none;
  font-weight: 900;
}
.primary-action { background: linear-gradient(135deg, var(--accent), #c8ffdf); color: #06120d; }
.secondary-action { background: rgba(255,255,255,0.08); color: var(--text); border: 1px solid var(--line); }

.stop-list { display: grid; gap: 12px; }
.stop-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 14px;
  border-radius: 22px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}
.stop-number {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #08110d;
  background: var(--accent);
  font-weight: 950;
}
.stop-top { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; }
.stop-top span, .stop-body small { color: var(--muted); }
.charge-line { margin: 8px 0 10px; color: #dfe8ff; }
.stop-metrics {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.stop-metrics span {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  padding: 7px 10px;
  color: #dbe5ff;
  font-weight: 780;
  font-size: 0.87rem;
}

details {
  margin-top: 18px;
  padding: 14px;
  border-radius: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
}
summary { cursor: pointer; font-weight: 900; }
.leg-list { padding-left: 22px; display: grid; gap: 10px; }
.leg-list li { padding-left: 4px; }
.leg-list span, .leg-list strong, .leg-list small { display: block; }
.leg-list strong { margin: 3px 0; }
.leg-list small { color: var(--muted); }

.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
ul { padding-left: 20px; color: #dce7ff; line-height: 1.55; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  padding: 12px 16px;
  border-radius: 999px;
  color: #06120d;
  background: var(--accent);
  font-weight: 900;
  box-shadow: var(--shadow);
  z-index: 9;
}

@media (max-width: 900px) {
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .comparison, .info-grid { grid-template-columns: 1fr; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .app-shell { padding-inline: 10px; }
  .hero { align-items: stretch; flex-direction: column; padding: 22px; }
  .hero-stat { justify-items: start; place-items: start; }
  .form-grid, .route-toggle { grid-template-columns: 1fr; }
  .metric-row { grid-template-columns: repeat(2, 1fr); }
  .compare-head, .plan-header, .stop-top { flex-direction: column; align-items: start; }
  .stop-card { grid-template-columns: 1fr; }
  .stop-number { width: 36px; height: 36px; }
  .primary-action, .secondary-action { width: 100%; text-align: center; }
}