:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #131a2c;
  --panel-soft: #1a2338;
  --border: #27324a;
  --text: #eef2ff;
  --muted: #9aa5c2;
  --green: #22c55e;
  --red: #ef4444;
  --blue: #60a5fa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #0a0f1e 0%, #0f172a 100%);
  color: var(--text);
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: 36px;
}

.subtitle {
  max-width: 720px;
  color: var(--muted);
  line-height: 1.5;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}

.button-primary {
  background: var(--blue);
  color: #08111f;
  border-color: transparent;
  font-weight: 600;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.stat {
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.stat-label {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card-header,
.card-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.path {
  font-size: 18px;
  font-weight: 700;
}

.spread {
  color: var(--green);
  font-weight: 700;
}

.meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.meta-item {
  background: var(--panel-soft);
  border-radius: 12px;
  padding: 10px;
}

.meta-label {
  font-size: 12px;
  color: var(--muted);
}

.meta-value {
  margin-top: 6px;
  font-weight: 600;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.step {
  background: var(--panel-soft);
  border-radius: 12px;
  padding: 12px;
}

.step-title {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-weight: 600;
  margin-bottom: 6px;
}

.step-subtitle {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.step-links {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.step-link {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
}

.step-link:hover,
.button:hover {
  filter: brightness(1.08);
}

.empty {
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  color: var(--muted);
}

.section-title {
  margin: 8px 0 12px;
  font-size: 16px;
  color: var(--muted);
  font-weight: 600;
}

.tab {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}

.tab.active {
  color: #08111f;
  background: var(--blue);
  border-color: transparent;
  font-weight: 600;
}

.hidden {
  display: none !important;
}

.settings-form {
  display: grid;
  gap: 14px;
  max-width: 640px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

.settings-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

.settings-form input[type="number"] {
  background: var(--panel-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 10px 12px;
  font-size: 16px;
}

.checkbox {
  display: flex !important;
  align-items: center;
  gap: 8px;
  grid-template-columns: none !important;
}

.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 8px;
}

.muted {
  color: var(--muted);
}

.hint {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  font-weight: 400;
  margin: 2px 0 4px;
}

.log-box {
  background: #070b14;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  max-height: 70vh;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.log-line {
  padding: 6px 0;
  border-bottom: 1px solid #1a2338;
  line-height: 1.45;
}

.log-ts {
  color: #64748b;
  margin-right: 8px;
}

.log-ok { color: #86efac; }
.log-warn { color: #fbbf24; }
.log-error { color: #fca5a5; }
.log-info { color: #cbd5e1; }

fieldset {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

@media (max-width: 720px) {
  .topbar,
  .card-header,
  .card-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .meta {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 28px;
  }
}