/**
 * Utility Classes
 * enermaind Design System
 *
 * Quick utility classes for common styling needs
 * Use sparingly - prefer components when possible
 */

/* ========================================
   SPACING UTILITIES
   ======================================== */

/* Margin utilities */
.m-0 { margin: 0; }
.m-xs { margin: var(--spacing-100); }
.m-sm { margin: var(--spacing-200); }
.m-md { margin: var(--spacing-400); }
.m-lg { margin: var(--spacing-600); }
.m-xl { margin: var(--spacing-800); }

/* Margin top */
.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--spacing-100); }
.mt-sm { margin-top: var(--spacing-200); }
.mt-md { margin-top: var(--spacing-400); }
.mt-lg { margin-top: var(--spacing-600); }
.mt-xl { margin-top: var(--spacing-800); }

/* Margin bottom */
.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-100); }
.mb-sm { margin-bottom: var(--spacing-200); }
.mb-md { margin-bottom: var(--spacing-400); }
.mb-lg { margin-bottom: var(--spacing-600); }
.mb-xl { margin-bottom: var(--spacing-800); }

/* Margin left/right */
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Padding utilities */
.p-0 { padding: 0; }
.p-xs { padding: var(--spacing-100); }
.p-sm { padding: var(--spacing-200); }
.p-md { padding: var(--spacing-400); }
.p-lg { padding: var(--spacing-600); }
.p-xl { padding: var(--spacing-800); }

/* ========================================
   TEXT UTILITIES
   ======================================== */

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

/* Text transform */
.text-uppercase { text-transform: uppercase; }
.text-lowercase { text-transform: lowercase; }
.text-capitalize { text-transform: capitalize; }

/* Font weight - Only regular and bold per corporate design */
.font-regular { font-weight: var(--font-weight-regular); }
.font-bold { font-weight: var(--font-weight-bold); }

/* Text colors */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-inverse { color: var(--color-text-inverse); }
.text-brand-primary { color: var(--color-brand-primary); }
.text-brand-secondary { color: var(--color-brand-secondary); }
.text-brand-accent { color: var(--color-brand-accent); }

/* Text sizes */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }

/* ========================================
   DISPLAY UTILITIES
   ======================================== */

.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.d-grid { display: grid; }

/* ========================================
   FLEX UTILITIES
   ======================================== */

.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

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

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

.gap-xs { gap: var(--component-gap-xs); }
.gap-sm { gap: var(--component-gap-sm); }
.gap-md { gap: var(--component-gap-md); }
.gap-lg { gap: var(--component-gap-lg); }
.gap-xl { gap: var(--component-gap-xl); }

/* ========================================
   WIDTH & HEIGHT UTILITIES
   ======================================== */

.w-25 { width: 25%; }
.w-50 { width: 50%; }
.w-75 { width: 75%; }
.w-100 { width: 100%; }
.w-auto { width: auto; }

.h-100 { height: 100%; }
.h-auto { height: auto; }

.mw-100 { max-width: 100%; }
.mh-100 { max-height: 100%; }

/* ========================================
   BACKGROUND UTILITIES
   ======================================== */

.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-tertiary { background-color: var(--color-bg-tertiary); }
.bg-brand-primary { background-color: var(--color-brand-primary); }
.bg-brand-secondary { background-color: var(--color-brand-secondary); }
.bg-brand-accent { background-color: var(--color-brand-accent); }

/* ========================================
   BORDER UTILITIES
   ======================================== */

.border { border: 2px solid var(--color-border-default); }
.border-0 { border: 0; }
.border-top { border-top: 2px solid var(--color-border-default); }
.border-bottom { border-bottom: 2px solid var(--color-border-default); }

.rounded-none { border-radius: var(--radius-none); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* ========================================
   SHADOW UTILITIES
   ======================================== */

.shadow-none { box-shadow: var(--shadow-none); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* ========================================
   VISIBILITY UTILITIES
   ======================================== */

.visible { visibility: visible; }
.invisible { visibility: hidden; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

/* ========================================
   OVERFLOW UTILITIES
   ======================================== */

.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-scroll { overflow: scroll; }

/* ========================================
   POSITION UTILITIES
   ======================================== */

.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }
.position-sticky { position: sticky; }

/* ========================================
   RESPONSIVE UTILITIES
   ======================================== */

@media (max-width: 768px) {
  .d-sm-none { display: none; }
  .d-sm-block { display: block; }
  .text-sm-center { text-align: center; }
}

@media (min-width: 769px) {
  .d-lg-none { display: none; }
  .d-lg-block { display: block; }
  .text-lg-left { text-align: left; }
}

/* ========================================
   HELPER UTILITIES
   ======================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pointer { cursor: pointer; }
.not-allowed { cursor: not-allowed; }