:root {
  color-scheme: dark;
  --bg: #0b0d12;
  --panel: #121722;
  --panel-2: #171d2a;
  --border: rgba(255, 255, 255, 0.12);
  --text: #f4f7fb;
  --muted: #9ea6b6;
  --accent: #87f5d1;
  --warning: #f6ca68;
  --danger: #ff8f8f;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --radius-sm: 12px;
  --font: "Segoe UI", "Microsoft YaHei UI", sans-serif;
  --mono: "Cascadia Mono", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(135, 245, 209, 0.16), transparent 28%),
    linear-gradient(180deg, #0b0d12 0%, #101521 100%);
  color: var(--text);
  font-family: var(--font);
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.8rem 1rem;
  cursor: pointer;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

button:hover {
  transform: translateY(-1px);
  border-color: rgba(135, 245, 209, 0.5);
  background: rgba(135, 245, 209, 0.12);
}

button.primary {
  background: linear-gradient(135deg, #87f5d1 0%, #5ad5f6 100%);
  color: #091016;
  border-color: transparent;
  font-weight: 700;
}

input,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.9rem 1rem;
}

input:focus,
select:focus,
button:focus {
  outline: 2px solid rgba(135, 245, 209, 0.45);
  outline-offset: 2px;
}

.app-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 40px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
}

.hero-copy {
  margin: 10px 0 0;
  max-width: 680px;
  color: var(--muted);
  line-height: 1.6;
}

.status-chip {
  padding: 0.65rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  white-space: nowrap;
}

.panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.warning-panel {
  margin-bottom: 20px;
  border-color: rgba(246, 202, 104, 0.35);
  color: #fff4cf;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.panel-head {
  margin-bottom: 18px;
}

.panel-head h2,
.driver-card h3 {
  margin: 0;
}

.panel-head p,
.footnote {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.field-stack {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span,
.detail-list span,
.driver-label {
  color: var(--muted);
  font-size: 0.92rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.detail-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.detail-list div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.driver-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--panel-2);
}

.driver-card + .driver-card {
  margin-top: 14px;
}

.mono,
.log-output {
  font-family: var(--mono);
  word-break: break-all;
}

.log-output {
  margin: 0;
  min-height: 180px;
  max-height: 320px;
  overflow: auto;
  padding: 14px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.34);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #dce4f5;
  white-space: pre-wrap;
}

@media (max-width: 920px) {
  .app-shell {
    width: min(100vw - 20px, 1180px);
    padding-top: 18px;
  }

  .hero,
  .grid-two,
  .driver-card {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .hero {
    align-items: stretch;
  }

  .button-row {
    flex-direction: column;
  }
}