/* Layout Utilities */
.flex-center {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flex-column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.content-narrow {
  max-width: var(--content-narrow-width);
}

/* Spacing Utilities */
.margin-bottom {
  margin-bottom: var(--spacing-base);
}

.no-margin {
  margin: 0;
}

.padding-sm {
  padding: var(--spacing-sm);
}

.padding-base {
  padding: var(--spacing-base);
}

/* Granular Margin Utilities */
.mt-xs {
  margin-top: var(--spacing-xs);
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}

.mb-xs {
  margin-bottom: var(--spacing-xs);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

/* Granular Padding Utilities */
.p-xs {
  padding: var(--spacing-xs);
}

.p-sm {
  padding: var(--spacing-sm);
}

.p-md {
  padding: var(--spacing-md);
}

.p-lg {
  padding: var(--spacing-lg);
}

/* Text Utilities */
.text-right {
  text-align: right;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.nowrap {
  white-space: nowrap;
}

.break-word {
  word-wrap: break-word;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

/* Font Sizing */
.text-lg-125 {
  font-size: 125%;
}

/* Font Styling */
.font-bold {
  font-weight: var(--font-bold);
}

.font-medium {
  font-weight: var(--font-medium);
}

.font-small {
  font-size: var(--text-sm);
}

.font-xs {
  font-size: var(--text-xs);
}

.font-xxs {
  font-size: var(--text-xxs);
}

/* Color Utilities */
.text-error {
  color: var(--color-error);
}

.text-warning {
  color: var(--color-warning);
}

.text-success {
  color: var(--color-success);
}

.text-muted {
  color: var(--color-disabled-text);
}

.negative {
  color: var(--color-error);
}

/* Background Colors */
.bg-stripe {
  background-color: var(--color-table-stripe);
}

.bg-header {
  background-color: var(--color-table-header);
}

/* Border Utilities */
.border {
  border: var(--border-thin) solid var(--color-border);
}

.border-bottom {
  border-bottom: var(--border-thin) solid var(--color-border);
}

.rounded {
  border-radius: var(--radius-base);
}

/* Display Utilities */
.hidden {
  display: none;
}

.invisible {
  visibility: hidden;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

/* Position Utilities */
.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.sticky {
  position: sticky;
}

/* Width Utilities */
.w-full {
  width: 100%;
}

.w-auto {
  width: auto;
}

.pl-md {
  padding-left: var(--spacing-md);
}

.max-w-full {
  max-width: 100%;
}

/* Height Utilities */
.h-full {
  height: 100%;
}

.min-h-screen {
  min-height: 100vh;
}

/* Overflow Utilities */
.overflow-hidden {
  overflow: hidden;
}

.overflow-auto {
  overflow: auto;
}

.overflow-x-auto {
  overflow-x: auto;
}

.overflow-y-auto {
  overflow-y: auto;
}

/* Quick Links */
.quick {
  color: var(--color-secondary);
}

.quick:hover {
  color: var(--color-warning);
}

/* Status Indicators */
.staff-indicator,
.instructor-indicator {
  display: inline-block;
  padding: var(--spacing-xxs) var(--spacing-xs);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
}

.staff-indicator {
  background-color: var(--color-warning);
  color: var(--color-background);
}

.instructor-indicator {
  background-color: var(--color-success);
  color: var(--color-background);
}

/* Form Field Sizes */
.narrow-select {
  width: var(--input-width-xs);
}

/* Common Patterns */
.clicker {
  font-size: var(--text-xs);
  margin-right: var(--spacing-md);
  cursor: pointer;
  color: var(--color-clicker);
}

/* Layout Utilities */
.float-right {
  float: right;
}

.valign-middle {
  vertical-align: middle;
}

.disabled-look {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Form Utilities */
.inline-form {
  display: inline;
  margin: 0;
  padding: 0;
}

.help-panel {
  padding: var(--spacing-sm);
  background-color: var(--color-table-stripe-even);
  border-left: var(--border-thick) solid var(--color-disabled-text);
}

.readonly-select {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Accessibility 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;
}

.focusable:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Alignment Utilities */
.align-top {
  vertical-align: top;
}

/* Image Utilities */
.photo-small {
  max-width: 100px;
  height: auto;
}

.photo-medium {
  max-width: 200px;
  height: auto;
}

.photo-large {
  max-width: 300px;
  height: auto;
}

/* Print Utilities */
@media print {
  .no-print {
    display: none !important;
  }

  .print-break {
    page-break-before: always;
  }
}