/* Utility Classes System */
@layer utilities {
  /* Text Size Utilities */
  .text-xs { font-size: 0.75rem; }
  .text-sm { font-size: 0.875rem; }
  .text-base { font-size: 1rem; }
  .text-lg { font-size: 1.125rem; }
  .text-xl { font-size: 1.25rem; }
  .text-2xl { font-size: 1.5rem; }
  .text-3xl { font-size: 1.875rem; }
  .text-4xl { font-size: 2.25rem; }
  .text-5xl { font-size: 3rem; }
  .text-6xl { font-size: 3.75rem; }

  /* Font Weight Utilities */
  .font-light { font-weight: 300; }
  .font-normal { font-weight: 400; }
  .font-medium { font-weight: 500; }
  .font-semibold { font-weight: 600; }
  .font-bold { font-weight: 700; }
  .font-extrabold { font-weight: 800; }

  /* Text Alignment */
  .text-left { text-align: left; }
  .text-center { text-align: center; }
  .text-right { text-align: right; }
  .text-justify { text-align: justify; }

  /* Text Colors */
  .text-primary { color: var(--color-text-primary); }
  .text-secondary { color: var(--color-text-secondary); }
  .text-muted { color: var(--color-text-muted); }
  .text-disabled { color: var(--color-text-disabled); }
  .text-brand { color: var(--color-text-brand); }
  .text-success { color: var(--color-success); }
  .text-warning { color: var(--color-warning); }
  .text-danger { color: var(--color-danger); }

  /* Display Utilities */
  .block { display: block; }
  .inline-block { display: inline-block; }
  .inline { display: inline; }
  .flex { display: flex; }
  .inline-flex { display: inline-flex; }
  .grid { display: grid; }
  .inline-grid { display: inline-grid; }
  .hidden { display: none; }

  /* Flexbox Utilities */
  .flex-row { flex-direction: row; }
  .flex-row-reverse { flex-direction: row-reverse; }
  .flex-col { flex-direction: column; }
  .flex-col-reverse { flex-direction: column-reverse; }

  .flex-wrap { flex-wrap: wrap; }
  .flex-wrap-reverse { flex-wrap: wrap-reverse; }
  .flex-nowrap { flex-wrap: nowrap; }

  .items-start { align-items: flex-start; }
  .items-end { align-items: flex-end; }
  .items-center { align-items: center; }
  .items-baseline { align-items: baseline; }
  .items-stretch { align-items: stretch; }

  .justify-start { justify-content: flex-start; }
  .justify-end { justify-content: flex-end; }
  .justify-center { justify-content: center; }
  .justify-between { justify-content: space-between; }
  .justify-around { justify-content: space-around; }
  .justify-evenly { justify-content: space-evenly; }

  .flex-1 { flex: 1 1 0%; }
  .flex-auto { flex: 1 1 auto; }
  .flex-initial { flex: 0 1 auto; }
  .flex-none { flex: none; }

  /* Gap Utilities */
  .gap-0 { gap: var(--space-0); }
  .gap-px { gap: var(--space-px); }
  .gap-1 { gap: var(--space-1); }
  .gap-2 { gap: var(--space-2); }
  .gap-3 { gap: var(--space-3); }
  .gap-4 { gap: var(--space-4); }
  .gap-5 { gap: var(--space-5); }
  .gap-6 { gap: var(--space-6); }
  .gap-8 { gap: var(--space-8); }
  .gap-10 { gap: var(--space-10); }
  .gap-12 { gap: var(--space-12); }
  .gap-16 { gap: var(--space-16); }
  .gap-20 { gap: var(--space-20); }
  .gap-24 { gap: var(--space-24); }

  /* Width Utilities */
  .w-auto { width: auto; }
  .w-full { width: 100%; }
  .w-screen { width: 100vw; }
  .w-1\/2 { width: 50%; }
  .w-1\/3 { width: 33.333333%; }
  .w-2\/3 { width: 66.666667%; }
  .w-1\/4 { width: 25%; }
  .w-3\/4 { width: 75%; }
  .w-fit { width: fit-content; }

  /* Height Utilities */
  .h-auto { height: auto; }
  .h-full { height: 100%; }
  .h-screen { height: 100vh; }
  .h-fit { height: fit-content; }

  /* Padding Utilities */
  .p-0 { padding: var(--space-0); }
  .p-px { padding: var(--space-px); }
  .p-1 { padding: var(--space-1); }
  .p-2 { padding: var(--space-2); }
  .p-3 { padding: var(--space-3); }
  .p-4 { padding: var(--space-4); }
  .p-5 { padding: var(--space-5); }
  .p-6 { padding: var(--space-6); }
  .p-8 { padding: var(--space-8); }
  .p-10 { padding: var(--space-10); }
  .p-12 { padding: var(--space-12); }
  .p-16 { padding: var(--space-16); }
  .p-20 { padding: var(--space-20); }
  .p-24 { padding: var(--space-24); }

  /* Padding X (horizontal) */
  .px-0 { padding-left: var(--space-0); padding-right: var(--space-0); }
  .px-1 { padding-left: var(--space-1); padding-right: var(--space-1); }
  .px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
  .px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
  .px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
  .px-5 { padding-left: var(--space-5); padding-right: var(--space-5); }
  .px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
  .px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }

  /* Padding Y (vertical) */
  .py-0 { padding-top: var(--space-0); padding-bottom: var(--space-0); }
  .py-1 { padding-top: var(--space-1); padding-bottom: var(--space-1); }
  .py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
  .py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
  .py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
  .py-5 { padding-top: var(--space-5); padding-bottom: var(--space-5); }
  .py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
  .py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

  /* Margin Utilities */
  .m-0 { margin: var(--space-0); }
  .m-px { margin: var(--space-px); }
  .m-1 { margin: var(--space-1); }
  .m-2 { margin: var(--space-2); }
  .m-3 { margin: var(--space-3); }
  .m-4 { margin: var(--space-4); }
  .m-5 { margin: var(--space-5); }
  .m-6 { margin: var(--space-6); }
  .m-8 { margin: var(--space-8); }
  .m-10 { margin: var(--space-10); }
  .m-12 { margin: var(--space-12); }
  .m-16 { margin: var(--space-16); }
  .m-20 { margin: var(--space-20); }
  .m-24 { margin: var(--space-24); }
  .m-auto { margin: auto; }

  /* Margin X (horizontal) */
  .mx-0 { margin-left: var(--space-0); margin-right: var(--space-0); }
  .mx-1 { margin-left: var(--space-1); margin-right: var(--space-1); }
  .mx-2 { margin-left: var(--space-2); margin-right: var(--space-2); }
  .mx-3 { margin-left: var(--space-3); margin-right: var(--space-3); }
  .mx-4 { margin-left: var(--space-4); margin-right: var(--space-4); }
  .mx-5 { margin-left: var(--space-5); margin-right: var(--space-5); }
  .mx-6 { margin-left: var(--space-6); margin-right: var(--space-6); }
  .mx-8 { margin-left: var(--space-8); margin-right: var(--space-8); }
  .mx-auto { margin-left: auto; margin-right: auto; }

  /* Margin Y (vertical) */
  .my-0 { margin-top: var(--space-0); margin-bottom: var(--space-0); }
  .my-1 { margin-top: var(--space-1); margin-bottom: var(--space-1); }
  .my-2 { margin-top: var(--space-2); margin-bottom: var(--space-2); }
  .my-3 { margin-top: var(--space-3); margin-bottom: var(--space-3); }
  .my-4 { margin-top: var(--space-4); margin-bottom: var(--space-4); }
  .my-5 { margin-top: var(--space-5); margin-bottom: var(--space-5); }
  .my-6 { margin-top: var(--space-6); margin-bottom: var(--space-6); }
  .my-8 { margin-top: var(--space-8); margin-bottom: var(--space-8); }

  /* Position Utilities */
  .static { position: static; }
  .fixed { position: fixed; }
  .absolute { position: absolute; }
  .relative { position: relative; }
  .sticky { position: sticky; }

  /* Border Radius Utilities */
  .rounded-none { border-radius: 0; }
  .rounded-xs { border-radius: var(--border-radius-xs); }
  .rounded-sm { border-radius: var(--border-radius-sm); }
  .rounded { border-radius: var(--border-radius-md); }
  .rounded-md { border-radius: var(--border-radius-md); }
  .rounded-lg { border-radius: var(--border-radius-lg); }
  .rounded-xl { border-radius: var(--border-radius-xl); }
  .rounded-2xl { border-radius: var(--border-radius-2xl); }
  .rounded-full { border-radius: var(--border-radius-full); }

  /* Overflow Utilities */
  .overflow-auto { overflow: auto; }
  .overflow-hidden { overflow: hidden; }
  .overflow-visible { overflow: visible; }
  .overflow-scroll { overflow: scroll; }
  .overflow-x-auto { overflow-x: auto; }
  .overflow-y-auto { overflow-y: auto; }
  .overflow-x-hidden { overflow-x: hidden; }
  .overflow-y-hidden { overflow-y: hidden; }

  /* Z-Index Utilities */
  .z-0 { z-index: 0; }
  .z-10 { z-index: 10; }
  .z-20 { z-index: 20; }
  .z-30 { z-index: 30; }
  .z-40 { z-index: 40; }
  .z-50 { z-index: 50; }
  .z-auto { z-index: auto; }

  /* Opacity Utilities */
  .opacity-0 { opacity: 0; }
  .opacity-25 { opacity: 0.25; }
  .opacity-50 { opacity: 0.5; }
  .opacity-75 { opacity: 0.75; }
  .opacity-100 { opacity: 1; }

  /* Responsive Utilities */
  .hide-mobile { display: block; }
  .show-mobile { display: none; }
  .hide-tablet { display: block; }
  .show-tablet { display: none; }
  .hide-desktop { display: block; }
  .show-desktop { display: none; }

  @media (width <= 767px) {
    .hide-mobile { display: none; }
    .show-mobile { display: block; }
  }

  @media (width >= 768px) and (width <= 1023px) {
    .hide-tablet { display: none; }
    .show-tablet { display: block; }
  }

  @media (width >= 1024px) {
    .hide-desktop { display: none; }
    .show-desktop { display: block; }
  }

  /* Pointer Events */
  .pointer-events-none { pointer-events: none; }
  .pointer-events-auto { pointer-events: auto; }

  /* User Select */
  .select-none { 
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none; 
  }
  .select-text { 
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text; 
  }
  .select-all { 
    -webkit-user-select: all;
    -moz-user-select: all;
    -ms-user-select: all;
    user-select: all; 
  }
  .select-auto { 
    -webkit-user-select: auto;
    -moz-user-select: auto;
    -ms-user-select: auto;
    user-select: auto; 
  }

  /* Cursor Utilities */
  .cursor-auto { cursor: auto; }
  .cursor-default { cursor: default; }
  .cursor-pointer { cursor: pointer; }
  .cursor-wait { cursor: wait; }
  .cursor-text { cursor: text; }
  .cursor-move { cursor: move; }
  .cursor-help { cursor: help; }
  .cursor-not-allowed { cursor: not-allowed; }

  /* Animation Utilities */
  .animate-none { animation: none; }
  .animate-spin { animation: spin 1s linear infinite; }
  .animate-ping { animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite; }
  .animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
  .animate-bounce { animation: bounce 1s infinite; }

  @keyframes ping {
    75%, 100% {
      transform: scale(2);
      opacity: 0;
    }
  }

  /* Transform Utilities */
  .transform { transform: translatevar(--tw-translate-x, --tw-translate-y) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y)); }
  .transform-none { transform: none; }

  /* Transition Utilities */
  .transition-none { transition-property: none; }
  .transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
  .transition { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
  .transition-colors { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
  .transition-opacity { transition-property: opacity; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
  .transition-transform { transition-property: transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }

  /* Duration */
  .duration-75 { transition-duration: 75ms; }
  .duration-100 { transition-duration: 100ms; }
  .duration-150 { transition-duration: 150ms; }
  .duration-200 { transition-duration: 200ms; }
  .duration-300 { transition-duration: 300ms; }
  .duration-500 { transition-duration: 500ms; }
  .duration-700 { transition-duration: 700ms; }
  .duration-1000 { transition-duration: 1000ms; }

  /* Special IsWeed Utilities */
  .drag-over {
    background-color: rgba(0, 255, 136, 0.1) !important;
    border-color: var(--color-primary) !important;
    transform: scale(1.02);
  }

  .touch-active {
    transform: scale(0.98);
    opacity: 0.8;
    transition: transform 0.1s ease, opacity 0.1s ease;
  }

  .confidence-fill {
    background: linear-gradient(90deg, var(--color-primary), var(--green-electric));
    width: var(--confidence, 0%);
    height: 100%;
    border-radius: inherit;
    transition: width var(--duration-700) var(--ease-out);
  }

  .confidence-fill.animate {
    animation: confidence-grow var(--duration-700) var(--ease-out);
  }

  @keyframes confidence-grow {
    from { width: 0%; }
    to { width: var(--confidence, 0%); }
  }
}