:root {
    --nb-bg: #F7F5F2;
    --nb-text: #111111;
    --nb-accent: #FF3D00;
    --nb-muted: #6B7280;
    --nb-surface: #ffffff;
    --nb-border: #111111;
    --nb-shadow: #111111;
  }

html,
  body {
    height: 100%;
  }

  body {
    font-family: 'Space Grotesk', 'Instrument Sans', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--nb-text);
    background: var(--nb-bg);
  }

  .nb-brand {
    background: #FFED4A;
    color: #111;
    border: 3px solid #111;
    box-shadow: 4px 4px 0 #111;
    padding: 6px 12px;
    border-radius: 12px;
    letter-spacing: 1px;
  }

  .nb-btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    border: 3px solid var(--nb-border);
    border-radius: 12px;
    box-shadow: 4px 4px 0 var(--nb-shadow);
    padding: .6rem 1rem;
    font-weight: 700;
    text-transform: none;
    cursor: pointer;
    text-decoration: none;
    transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease, color .12s ease;
  }

.nb-btn:focus-visible {
    outline: 3px dashed #000;
    outline-offset: 3px;
  }

  .nb-btn:disabled,
  .nb-btn.is-submitting {
    opacity: .6;
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
    box-shadow: 4px 4px 0 var(--nb-shadow);
  }

  .nb-btn--primary {
    background: var(--nb-accent);
    color: #fff;
  }

  .nb-btn--ghost {
    background: #fff;
    color: #111;
  }

  .nb-btn--secondary {
    background: #FFED4A;
    color: #111;
  }

  .nb-btn--success {
    background: #10B981;
    color: #fff;
    border-color: #111;
  }

  .nb-btn--warning {
    background: #F59E0B;
    color: #111;
  }

  .nb-btn--danger {
    background: #EF4444;
    color: #fff;
  }

  .nb-btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 var(--nb-shadow);
  }

  .nb-card {
    background: var(--nb-surface);
    border: 3px solid var(--nb-border);
    border-radius: 16px;
    box-shadow: 6px 6px 0 var(--nb-shadow);
    padding: 1.25rem;
  }

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

  .nb-section-title {
    font-size: 2rem;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.02em;
  }

  .nb-input-label {
    display: block;
    font-weight: 700;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: .35rem;
  }

  .nb-input,
  .nb-select,
  .nb-textarea {
    width: 100%;
    border: 3px solid #111;
    border-radius: 12px;
    padding: .6rem .75rem;
    background: #fff;
    box-shadow: 3px 3px 0 #111;
    font-weight: 500;
  }

  .nb-input:focus,
  .nb-select:focus,
  .nb-textarea:focus {
    outline: 3px dashed #000;
    outline-offset: 3px;
  }

  .nb-input:disabled {
    opacity: .5;
    cursor: not-allowed;
  }

  .nb-checkbox {
    width: 1.15rem;
    height: 1.15rem;
    accent-color: var(--nb-accent);
    border: 2px solid #111;
    border-radius: 4px;
  }

  .nb-link {
    color: var(--nb-text);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  .nb-link:hover {
    color: var(--nb-accent);
  }

  .nb-alert {
    border: 3px solid #111;
    border-radius: 12px;
    padding: .75rem 1rem;
    box-shadow: 4px 4px 0 #111;
    font-weight: 600;
  }

  .nb-alert.success {
    background: #DCFCE7;
    color: #065F46;
  }

  .nb-alert.error {
    background: #FEE2E2;
    color: #7F1D1D;
  }

  .nb-badge {
    display: inline-block;
    border: 2px solid #111;
    border-radius: 999px;
    padding: .15rem .55rem;
    font-weight: 700;
    font-size: .75rem;
    background: #fff;
    color: #111;
  }

  .nb-nav {
    background: var(--nb-surface);
    border-bottom: 3px solid var(--nb-border);
  }

  .nb-nav .nb-kebab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 3px solid #111;
    border-radius: 12px;
    background: #fff;
    box-shadow: 4px 4px 0 #111;
    cursor: pointer;
    transition: transform .12s ease, box-shadow .12s ease;
  }

  .nb-nav .nb-kebab:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 #111;
  }

  .nb-menu {
    position: absolute;
    z-index: 9999;
    right: 0;
    top: 3.25rem;
    background: #fff;
    border: 3px solid #111;
    border-radius: 12px;
    box-shadow: 6px 6px 0 #111;
    padding: .4rem;
    min-width: 200px;
  }

  .nb-menu-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: .6rem .8rem;
    border-radius: 10px;
    border: 2px solid #111;
    background: #fff;
    font-weight: 700;
    margin: .25rem 0;
    box-shadow: 3px 3px 0 #111;
    color: var(--nb-text);
    text-decoration: none;
    cursor: pointer;
    transition: transform .12s ease, box-shadow .12s ease;
  }

  .nb-menu-item:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 #111;
    text-decoration: none;
  }

  .nb-menu-item.danger {
    background: #EF4444;
    color: #fff;
  }