:root {
    --drillsharp-primary: #0284c7;
    --drillsharp-accent: #0284c7;
    --drillsharp-text: #0f172a;
    --drillsharp-text-muted: #475569;
    --drillsharp-bg-dark: #f1f5f9;
    --drillsharp-bg-panel: #fff;
    --drillsharp-border: #cbd5e1;
    --drillsharp-button-bg: #e2e8f0;
    --drillsharp-button-hover: #cbd5e1;
  }
  
  .theme-dark {
    --drillsharp-primary: #38bdf8;
    --drillsharp-accent: #38bdf8;
    --drillsharp-text: #f8fafc;
    --drillsharp-text-muted: #94a3b8;
    --drillsharp-bg-dark: #000;
    --drillsharp-bg-panel: #0a0f1d;
    --drillsharp-border: #1e293b;
    --drillsharp-button-bg: #1e293b;
    --drillsharp-button-hover: #334155;
  }

  .drillsharp-root {
    max-width: 1200px;
    margin: 1rem auto;
    padding: 0 1rem;
    color: var(--drillsharp-text);
  }

  .drillsharp-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 1.5rem;
    background: var(--drillsharp-bg-dark);
    border-radius: 2.5rem;
    padding: 2rem;
    border: 1px solid var(--drillsharp-border);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
  }

  .drillsharp-gauge {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: radial-gradient(
      circle at center,
      var(--drillsharp-bg-panel) 0%,
      var(--drillsharp-bg-dark) 100%
    );
    border-radius: 2rem;
    min-height: 550px;
    border: 1px solid var(--drillsharp-border);
    transition: background 0.3s ease;
  }

  .drillsharp-svg {
    width: 95%;
    height: 95%;
    max-height: 600px;
    color: var(--drillsharp-text);
  }

  .drillsharp-gauge-lines {
    filter: drop-shadow(0 0 2px var(--drillsharp-accent));
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .drillsharp-instruction {
    position: absolute;
    bottom: 2rem;
    text-align: center;
    width: 100%;
    pointer-events: none;
    padding: 0 1rem;
  }

  .drillsharp-instruction span {
    background: var(--drillsharp-bg-panel);
    color: var(--drillsharp-accent);
    padding: 0.6rem 2rem;
    border-radius: 2rem;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border: 1px solid var(--drillsharp-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  }

  .drillsharp-controls {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }

  .drillsharp-group {
    background: var(--drillsharp-bg-panel);
    padding: 1.5rem;
    border-radius: 2rem;
    border: 1px solid var(--drillsharp-border);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
  }

  .drillsharp-group h4 {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--drillsharp-primary);
    margin-bottom: 1.25rem;
    font-weight: 900;
    letter-spacing: 0.1em;
  }

  .drillsharp-material-grid {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
  }

  .drillsharp-mat-btn {
    background: var(--drillsharp-button-bg);
    border: 1px solid var(--drillsharp-border);
    border-radius: 1.25rem;
    padding: 1rem 0.5rem;
    color: var(--drillsharp-text-muted);
    cursor: pointer;
    font-weight: 800;
    font-size: 0.8rem;
    transition: all 0.2s;
    text-transform: uppercase;
  }

  .drillsharp-mat-btn.active {
    background: var(--drillsharp-accent);
    color: var(--drillsharp-bg-dark);
    border-color: var(--drillsharp-accent);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.3);
  }

  .drillsharp-stepper {
    display: flex;
    align-items: center;
    background: var(--drillsharp-bg-dark);
    border-radius: 1.25rem;
    padding: 0.4rem;
    border: 1px solid var(--drillsharp-border);
  }

  .drillsharp-step-btn {
    width: 54px;
    height: 54px;
    background: var(--drillsharp-button-bg);
    border: none;
    color: var(--drillsharp-text);
    border-radius: 1rem;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
  }

  .drillsharp-step-btn:active {
    transform: scale(0.95);
    background: var(--drillsharp-button-hover);
  }

  .drillsharp-stepper input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--drillsharp-accent);
    text-align: center;
    font-size: 2rem;
    font-weight: 950;
    width: 80px;
    outline: none;
  }

  .drillsharp-results {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 1.5rem;
  }

  .drillsharp-res-item {
    background: var(--drillsharp-bg-dark);
    padding: 1.25rem;
    border-radius: 1.5rem;
    border: 1px solid var(--drillsharp-border);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }

  .drillsharp-res-label {
    font-size: 0.65rem;
    color: var(--drillsharp-text-muted);
    font-weight: 700;
    text-transform: uppercase;
  }

  .drillsharp-res-value-box {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
  }

  .drillsharp-res-value {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--drillsharp-text);
  }

  .drillsharp-res-unit {
    font-size: 0.7rem;
    color: var(--drillsharp-accent);
    font-weight: 800;
  }

  .drillsharp-diag-btn {
    width: 100%;
    padding: 1.25rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px dashed rgba(239, 68, 68, 0.3);
    color: #ef4444;
    border-radius: 1.5rem;
    font-weight: 800;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
  }

  .drillsharp-diag-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    border-style: solid;
    transform: translateY(-2px);
  }
  .drillsharp-diag-btn:active {
    transform: translateY(0);
  }

  .drillsharp-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--drillsharp-bg-panel);
    border: 1px solid var(--drillsharp-border);
    padding: 2.5rem;
    border-radius: 2.5rem;
    z-index: 1000;
    display: none;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 0 100px rgba(0, 0, 0, 0.5);
  }

  .drillsharp-modal.active {
    display: block;
    animation: drillsharp-modal-in 0.3s ease-out;
  }

  @keyframes drillsharp-modal-in {
    from {
      opacity: 0;
      transform: translate(-50%, -45%) scale(0.95);
    }
    to {
      opacity: 1;
      transform: translate(-50%, -50%) scale(1);
    }
  }

  .drillsharp-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--drillsharp-border);
    padding-bottom: 1rem;
  }

  .drillsharp-modal-header h3 {
    font-size: 1rem;
    color: #ef4444;
    text-transform: uppercase;
    font-weight: 900;
    margin: 0;
  }

  .drillsharp-modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--drillsharp-text-muted);
    cursor: pointer;
    transition: color 0.2s;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .drillsharp-modal-close:hover {
    color: var(--drillsharp-text);
  }

  .drillsharp-diag-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }

  .drillsharp-diag-item:last-child {
    margin-bottom: 0;
  }

  .drillsharp-diag-item strong {
    color: var(--drillsharp-accent);
    font-size: 0.85rem;
    text-transform: uppercase;
  }

  .drillsharp-diag-item p {
    font-size: 0.75rem;
    color: var(--drillsharp-text-muted);
    line-height: 1.5;
    margin: 0;
  }

  .drillsharp-diag-img {
    background: var(--drillsharp-bg-dark);
    border-radius: 1rem;
    padding: 1rem;
    border: 1px solid var(--drillsharp-border);
  }

  @media (max-width: 1000px) {
    .drillsharp-layout {
      grid-template-columns: 1fr;
      padding: 1rem;
      border-radius: 1.5rem;
    }
    .drillsharp-gauge {
      min-height: 380px;
    }
  }

  @media (max-width: 480px) {
    .drillsharp-root {
      padding: 0 0.5rem;
    }
    .drillsharp-layout {
      padding: 0.75rem;
      gap: 1rem;
    }
    .drillsharp-gauge {
      min-height: 320px;
    }
    .drillsharp-mat-btn {
      font-size: 0.75rem;
      padding: 0.8rem 0.5rem;
    }
    .drillsharp-step-btn {
      width: 48px;
      height: 48px;
    }
    .drillsharp-group {
      padding: 1.25rem;
    }
    .drillsharp-res-item {
      padding: 1rem;
    }
    .drillsharp-res-value {
      font-size: 1.25rem;
    }
  }