.rh-wrap {
    --rh-bg: #fff;
    --rh-bg-inputs: #f8fafc;
    --rh-border: #e2e8f0;
    --rh-text: #1e293b;
    --rh-text-muted: #64748b;
    --rh-accent: #06b6d4;
    --rh-accent-dark: #0891b2;
    --rh-result-bg: linear-gradient(135deg, #06b6d4, #2563eb);
    --rh-info-bg: #f0f9ff;
    --rh-info-border: #bae6fd;
    --rh-info-text: #0369a1;

    display: block;
    max-width: 72rem;
    margin: 0 auto;
    padding: 1rem;
    user-select: none;
  }

  .theme-dark .rh-wrap {
    --rh-bg: #0f172a;
    --rh-bg-inputs: #1e293b;
    --rh-border: #334155;
    --rh-text: #f1f5f9;
    --rh-text-muted: #94a3b8;
    --rh-info-bg: rgba(3, 105, 161, 0.1);
    --rh-info-border: #0369a1;
    --rh-info-text: #7dd3fc;
  }

  .rh-container {
    display: grid;
    grid-template-columns: 1fr;
    background: var(--rh-bg);
    border-radius: 2rem;
    overflow: hidden;
    border: 1px solid var(--rh-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
  }

  @media (min-width: 1024px) {
    .rh-container {
      grid-template-columns: 1fr 1fr;
    }
  }

  .rh-inputs {
    padding: 2.5rem;
    background: var(--rh-bg-inputs);
  }

  .rh-section-head {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--rh-text);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .rh-step-badge {
    width: 2.25rem;
    height: 2.25rem;
    background: var(--rh-text);
    color: var(--rh-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 900;
  }

  .rh-field-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
  }

  .rh-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .rh-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--rh-text-muted);
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .rh-label-icon {
    font-size: 1.25rem;
    color: var(--rh-accent);
  }

  .rh-input-wrap, .rh-select-wrap {
    position: relative;
  }

  .rh-input, .rh-select {
    width: 100%;
    background: var(--rh-bg);
    border: 2px solid var(--rh-border);
    border-radius: 1rem;
    padding: 0.875rem 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--rh-text);
    transition: border-color 0.2s;
    outline: none;
  }

  .rh-select {
    font-size: 1.125rem;
    cursor: pointer;
    appearance: none;
  }

  .rh-input:focus, .rh-select:focus {
    border-color: var(--rh-accent);
  }

  .rh-input-suffix {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 700;
    color: var(--rh-text-muted);
    pointer-events: none;
  }

  .rh-field-help {
    font-size: 0.75rem;
    font-style: italic;
    color: var(--rh-text-muted);
  }

  .rh-select-arrow {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--rh-text-muted);
    pointer-events: none;
  }

  .rh-info-card {
    background: var(--rh-info-bg);
    border: 1px solid var(--rh-info-border);
    border-radius: 1.25rem;
    padding: 1.25rem;
    display: flex;
    gap: 1rem;
    align-items: center;
  }

  .rh-info-icon-box {
    background: var(--rh-info-border);
    color: var(--rh-info-text);
    padding: 0.75rem;
    border-radius: 0.75rem;
    display: flex;
  }

  .rh-info-icon {
    font-size: 1.5rem;
  }

  .rh-info-title {
    margin: 0;
    font-weight: 800;
    color: var(--rh-info-text);
    font-size: 0.875rem;
  }

  .rh-info-text {
    margin: 0.25rem 0 0;
    font-size: 0.75rem;
    color: var(--rh-info-text);
    opacity: 0.9;
  }

  .rh-results {
    background: var(--rh-result-bg);
    padding: 2.5rem;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
  }

  .rh-result-main {
    position: relative;
    z-index: 10;
  }

  .rh-result-label {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0 0.5rem;
  }

  .rh-result-value-box {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
  }

  .rh-result-big {
    font-size: 5rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    line-height: 1;
  }

  .rh-result-unit {
    font-size: 1.5rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
  }

  .rh-equivalencies {
    position: relative;
    z-index: 10;
    margin-top: 2rem;
  }

  .rh-equiv-title {
    font-size: 1rem;
    font-weight: 800;
    margin: 0 0 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  .rh-equiv-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .rh-equiv-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .rh-equiv-icon {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.9);
  }

  .rh-equiv-info {
    display: flex;
    flex-direction: column;
  }

  .rh-equiv-val {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1;
  }

  .rh-equiv-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 700;
    margin-top: 0.25rem;
    color: rgba(255, 255, 255, 0.7);
  }

  .rh-bg-icon {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    font-size: 15rem;
    opacity: 0.1;
    pointer-events: none;
    z-index: 1;
  }

  .rh-liquid-container {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
  }

  .rh-liquid-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: height 1s ease-in-out;
    height: 0;
  }

  .rh-liquid-wave {
    position: absolute;
    top: -0.5rem;
    left: 0;
    width: 100%;
    height: 1rem;
    background: rgba(255, 255, 255, 0.15);
    transform: skewY(1deg);
    animation: rh-wave 3s infinite alternate ease-in-out;
  }

  @keyframes rh-wave {
    from { transform: skewY(1deg); }
    to { transform: skewY(-1deg); }
  }