:root {
  --bg: #060d19;
  --panel: #0c1728;
  --panel-strong: #11213a;
  --text: #e7eef8;
  --muted: #8ea2bc;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #2bd7d0;
  --accent-strong: #1f8cff;
  --danger: #ff6d6d;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top right, rgba(31, 140, 255, 0.2), transparent 34%),
    radial-gradient(circle at bottom left, rgba(43, 215, 208, 0.18), transparent 30%),
    var(--bg);
  color: var(--text);
  font: 500 16px/1.45 "Segoe UI", system-ui, sans-serif;
}

body {
  padding: 12px;
}

.app-shell {
  width: min(960px, 100%);
  margin: 0 auto;
}

.topbar,
.status-card,
.output-panel,
.control-button {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
  border-radius: 22px;
  background: rgba(9, 18, 33, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: block;
}

.brand-copy h1 {
  margin: 0;
  font-size: clamp(1.2rem, 3.8vw, 1.65rem);
}

.brand-subline {
  color: var(--muted);
  font-size: 0.9rem;
}

.environment-badge {
  flex: 0 0 auto;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(43, 215, 208, 0.12);
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.control-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.control-button {
  appearance: none;
  min-height: 52px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(17, 33, 58, 0.98), rgba(11, 22, 38, 0.98));
  color: var(--text);
  padding: 0 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.control-button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #04101f;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.status-card {
  border-radius: 18px;
  background: rgba(12, 23, 40, 0.94);
  padding: 14px;
}

.status-label {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  margin-bottom: 6px;
}

.status-value {
  display: block;
  font-size: 1rem;
}

.status-value[data-state="ready"] {
  color: var(--accent);
}

.status-value[data-state="pending"] {
  color: #ffd07f;
}

.output-panel {
  margin-top: 12px;
  border-radius: 22px;
  background: rgba(10, 19, 34, 0.96);
  overflow: hidden;
}

.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
  color: var(--muted);
}

.download-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

#actionOutput {
  margin: 0;
  padding: 16px;
  min-height: 240px;
  overflow: auto;
  color: var(--text);
  font: 500 0.9rem/1.45 "Cascadia Mono", "Consolas", monospace;
  white-space: pre-wrap;
  word-break: break-word;
}

@media (max-width: 720px) {
  body {
    padding: 10px;
  }

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

  .environment-badge {
    width: 100%;
    text-align: center;
  }
}