:root {
  --surface: #121318;
  --surface-dim: #0d0e13;
  --surface-container-low: #0d0e13;
  --surface-container-highest: #1f2131;
  --surface-bright: #38393f;
  --primary: #7b2cbf;
  --primary-fixed: #680eac;
  --primary-light: #deb7ff;
  --secondary: #fbb400;
  --on-surface: #f6f6f7;
  --text-soft: #cdd1e0;
  --ghost-border: rgba(255, 255, 255, 0.2);
  --shadow: 0 40px 60px rgba(0, 0, 0, 0.05);
}

.ds-bg-surface {
  background: var(--surface);
  color: var(--on-surface);
}

.ds-card {
  background: var(--surface-container-highest);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow);
  border: none;
}

.ds-stack {
  background: var(--surface-container-low);
  border-radius: 1rem;
  padding: 2rem;
}

.ds-button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-fixed) 100%);
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  cursor: pointer;
}

.ds-button-secondary {
  padding: 0.65rem 1.4rem;
  border-radius: 0.5rem;
  border: 1px solid var(--ghost-border);
  background: transparent;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ds-no-line {
  border: none;
}

.ds-input {
  width: 100%;
  padding: 1rem;
  border-radius: 0.75rem;
  background: var(--surface-container-highest);
  border: none;
  color: var(--on-surface);
  margin-top: 0.5rem;
}

.ds-input:focus {
  outline: 0;
  box-shadow: inset 0 -2px 0 0 var(--primary);
  background: var(--surface-bright);
}

.ds-chip {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: var(--secondary);
  color: #1c0d00;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ds-ghost-border {
  border: 1px solid var(--ghost-border);
}

.ds-glass {
  background: rgba(17, 14, 24, 0.65);
  backdrop-filter: blur(20px);
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ds-display {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 3.5rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.ds-headline {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.ds-body {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-soft);
}