:root {
  --rtk-primary: #00C2CB;
  --rtk-secondary: #8BC34A;
  --rtk-accent: #FFCA28;
  --rtk-ink: #1E1E1E;
  --rtk-muted: #5F6B7A;
  --rtk-surface: #FFFFFF;
  --rtk-border: #e5e7eb;
  --rtk-shadow-sm: 0 6px 16px rgba(0, 0, 0, 0.06);
  --rtk-shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.1);
  --rtk-radius-md: 12px;
  --rtk-radius-lg: 18px;
  --rtk-font-stack: "Roboto", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --rtk-page-bg: #f7f7f7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--rtk-font-stack);
  color: var(--rtk-ink);
  background: var(--rtk-surface);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.rtk-card {
  background: var(--rtk-surface);
  border: 1px solid var(--rtk-border);
  border-radius: var(--rtk-radius-lg);
  box-shadow: var(--rtk-shadow-sm);
  padding: 14px 16px;
}

.rtk-section-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--rtk-ink);
}

.rtk-subtitle {
  color: var(--rtk-muted);
  font-size: 0.88rem;
}

.rtk-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  background: rgba(0, 194, 203, 0.08);
  color: var(--rtk-ink);
}

.rtk-cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--rtk-primary);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--rtk-shadow-sm);
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}

.rtk-cta-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--rtk-shadow-lg);
  opacity: 0.95;
}

.rtk-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--rtk-radius-md);
  border: 1px solid var(--rtk-border);
  background: linear-gradient(180deg, #ffffff, #f7fafc);
  color: var(--rtk-ink);
  box-shadow: var(--rtk-shadow-sm);
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.12s ease;
}

.rtk-icon-btn:hover {
  background: linear-gradient(180deg, #f9fbff, #eef4ff);
  box-shadow: var(--rtk-shadow-lg);
  transform: translateY(-1px);
}

.rtk-icon-btn.primary {
  background: linear-gradient(180deg, var(--rtk-primary), #6ee7c6);
  border-color: transparent;
  color: #012b20;
  box-shadow: 0 12px 26px rgba(0, 194, 203, 0.22);
}

.rtk-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--rtk-border);
  background: #fff;
  font-size: 0.85rem;
  box-shadow: var(--rtk-shadow-sm);
}

.rtk-strip {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.rtk-strip::-webkit-scrollbar {
  display: none;
}