:root {
  color-scheme: dark;
  --bg: #0e0f13;
  --card: #16181f;
  --border: #242732;
  --text: #f5f6ff;
  --muted: #a1a6c3;
  --accent: #5b8cff;
  --accent-2: #74f0d4;
  --danger: #ff5b6a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.app__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

h1 {
  margin: 0 0 4px;
  font-size: 28px;
}

p {
  margin: 0;
}

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

.pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.tab {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
}

.tab.active {
  border-color: var(--accent);
  color: var(--accent);
}

.screen {
  display: none;
}

.screen.active {
  display: block;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.value {
  font-size: 22px;
  margin-top: 6px;
}

.value.small {
  font-size: 13px;
  word-break: break-all;
}

.actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 16px;
  gap: 12px;
}

.btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0b1020;
  font-weight: 600;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

input {
  background: #0c0f17;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text);
}

.list {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.list-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

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

.badge {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.notice {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(116, 240, 212, 0.1);
  color: var(--accent-2);
  min-height: 20px;
}

.notice.error {
  background: rgba(255, 91, 106, 0.1);
  color: var(--danger);
}

.footer {
  margin-top: 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
}

.status {
  max-width: 50%;
  text-align: right;
}

@media (max-width: 600px) {
  .app__header {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .actions {
    justify-content: stretch;
  }

  .btn {
    width: 100%;
  }
}