:root {
  color-scheme: dark;
}

.trace-body {
  background: radial-gradient(circle at top, #1a1a2e, #0b0b12 55%, #050506 100%);
  color: #f5f6ff;
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  margin: 0;
  padding: 0;
}

.trace-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  padding: 20px 8vw 0;
}

.trace-nav a {
  color: #b8b9d3;
  text-decoration: none;
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(79, 70, 229, 0.12);
  transition: all 0.2s ease;
}

.trace-nav a:hover {
  color: #f5f6ff;
  border-color: rgba(79, 70, 229, 0.45);
}

.trace-nav a.active {
  color: #f5f6ff;
  background: rgba(79, 70, 229, 0.28);
  border-color: rgba(79, 70, 229, 0.6);
}

.trace-header {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  padding: 40px 8vw 20px;
}

.trace-header__brand h1 {
  margin: 0;
  font-size: 2.2rem;
}

.trace-header__brand p {
  margin-top: 6px;
  color: #b8b9d3;
}

.trace-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #4f46e5;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.trace-header__agent {
  min-width: 280px;
  background: rgba(255, 255, 255, 0.04);
  padding: 16px;
  border-radius: 16px;
}

.trace-input {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.trace-input input {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: #fff;
  padding: 10px;
}

.trace-main {
  padding: 20px 8vw 60px;
  display: grid;
  gap: 24px;
}

.trace-card {
  background: rgba(10, 10, 20, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.trace-subtitle {
  color: #9aa0bf;
  margin-top: 6px;
}

.trace-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  color: #c5c7e6;
}

textarea,
select,
input[type="text"] {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: #fff;
  padding: 10px 12px;
  font-size: 0.95rem;
}

.trace-counter {
  font-size: 0.75rem;
  color: #8f94b0;
  align-self: flex-end;
}

.trace-costs {
  margin: 18px 0;
}

.trace-costs__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}

.trace-toggle {
  flex-direction: row;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  padding: 10px 12px;
}

.btn-primary,
.btn-secondary {
  border: none;
  border-radius: 12px;
  padding: 10px 16px;
  cursor: pointer;
  font-weight: 600;
}

.btn-primary {
  background: #4f46e5;
  color: #fff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.trace-history__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.trace-list {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.trace-item {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.trace-item__meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: #9aa0bf;
  font-size: 0.8rem;
}

.trace-item__desire {
  font-size: 1.05rem;
  margin: 10px 0 4px;
}

.trace-item__good {
  color: #c7c9e8;
  margin-bottom: 10px;
}

.trace-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.trace-actions button {
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: #fff;
  padding: 6px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.85rem;
}

.trace-status {
  margin-top: 10px;
  font-size: 0.85rem;
  color: #9fd3ff;
}