/**
 * @file
 * Global button styling for Foursquare DXPR theme
 * 
 * This file provides consistent button styling across the entire site.
 * It uses DXPR theme variables to ensure consistency with the theme settings.
 */

/* =============================================================================
   Base Button Styles
   ============================================================================= */

/* Reset and base styles for all buttons */
button,
input[type="button"],
input[type="reset"],
input[type="submit"],
.button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-weight: 600;
  font-size: 16px;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  -webkit-appearance: button;
  -moz-appearance: button;
  appearance: button;
}

/* Focus styles for accessibility */
button:focus,
input[type="button"]:focus,
input[type="reset"]:focus,
input[type="submit"]:focus,
.button:focus,
.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--dxt-color-base-rgb, 40, 78, 217), 0.2);
}

/* Disabled state */
button:disabled,
input[type="button"]:disabled,
input[type="reset"]:disabled,
input[type="submit"]:disabled,
.button:disabled,
.btn:disabled,
.button.disabled,
.btn.disabled {
  opacity: 0.65;
  cursor: not-allowed;
  pointer-events: none;
}

/* =============================================================================
   Primary Button
   ============================================================================= */

.button--primary,
.btn-primary,
input[type="submit"].button--primary,
input[type="submit"].btn-primary,
button[type="submit"].btn-primary {
  background-color: var(--dxt-color-base, #284ed9);
  color: #ffffff;
  box-shadow: 0 4px 6px rgba(40, 78, 217, 0.2);
}

.button--primary:hover,
.btn-primary:hover,
input[type="submit"].button--primary:hover,
input[type="submit"].btn-primary:hover,
button[type="submit"].btn-primary:hover {
  background-color: var(--dxt-color-accent2, #2144c7);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(40, 78, 217, 0.3);
  text-decoration: none;
}

.button--primary:focus,
.btn-primary:focus,
input[type="submit"].button--primary:focus,
input[type="submit"].btn-primary:focus,
button[type="submit"].btn-primary:focus {
  background-color: var(--dxt-color-accent2, #2144c7);
  color: #ffffff;
  box-shadow: 0 0 0 3px rgba(40, 78, 217, 0.2);
}

.button--primary:active,
.btn-primary:active,
input[type="submit"].button--primary:active,
input[type="submit"].btn-primary:active,
button[type="submit"].btn-primary:active {
  background-color: var(--dxt-color-accent2, #2144c7);
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(40, 78, 217, 0.2);
}

/* =============================================================================
   Secondary Button
   ============================================================================= */

.button--secondary,
.btn-secondary {
  background-color: #6c757d;
  color: #ffffff;
}

.button--secondary:hover,
.btn-secondary:hover {
  background-color: #5a6268;
  color: #ffffff;
  transform: translateY(-1px);
  text-decoration: none;
}

.button--secondary:focus,
.btn-secondary:focus {
  background-color: #5a6268;
  color: #ffffff;
  box-shadow: 0 0 0 3px rgba(108, 117, 125, 0.2);
}

.button--secondary:active,
.btn-secondary:active {
  background-color: #545b62;
  transform: translateY(0);
}

/* =============================================================================
   Tertiary/Ghost Button
   ============================================================================= */

.button--tertiary,
.btn-tertiary,
.button--ghost,
.btn-ghost {
  background-color: transparent;
  color: var(--dxt-color-link, #284ed9);
  box-shadow: none;
}

.button--tertiary:hover,
.btn-tertiary:hover,
.button--ghost:hover,
.btn-ghost:hover {
  background-color: rgba(var(--dxt-color-base-rgb, 40, 78, 217), 0.1);
  color: var(--dxt-color-link-hover, #2144c7);
  transform: none;
  text-decoration: none;
}

.button--tertiary:focus,
.btn-tertiary:focus,
.button--ghost:focus,
.btn-ghost:focus {
  background-color: rgba(var(--dxt-color-base-rgb, 40, 78, 217), 0.1);
  box-shadow: 0 0 0 3px rgba(var(--dxt-color-base-rgb, 40, 78, 217), 0.2);
}

/* =============================================================================
   Danger Button
   ============================================================================= */

.button--danger,
.btn-danger {
  background-color: #dc3545;
  color: #ffffff;
}

.button--danger:hover,
.btn-danger:hover {
  background-color: #c82333;
  color: #ffffff;
  transform: translateY(-1px);
  text-decoration: none;
}

.button--danger:focus,
.btn-danger:focus {
  background-color: #c82333;
  color: #ffffff;
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.2);
}

/* =============================================================================
   Success Button
   ============================================================================= */

.button--success,
.btn-success {
  background-color: #28a745;
  color: #ffffff;
}

.button--success:hover,
.btn-success:hover {
  background-color: #218838;
  color: #ffffff;
  transform: translateY(-1px);
  text-decoration: none;
}

.button--success:focus,
.btn-success:focus {
  background-color: #218838;
  color: #ffffff;
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.2);
}

/* =============================================================================
   Button Sizes
   ============================================================================= */

/* Large buttons */
.button--large,
.btn-lg {
  padding: 16px 32px;
  font-size: 18px;
  border-radius: 10px;
}

/* Small buttons */
.button--small,
.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
  border-radius: 6px;
}

/* Extra small buttons */
.button--tiny,
.btn-xs {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 4px;
}

/* =============================================================================
   Block Buttons (Full Width)
   ============================================================================= */

.button--block,
.btn-block {
  display: flex;
  width: 100%;
}

/* =============================================================================
   Icon Buttons
   ============================================================================= */

/* Buttons with icons */
.button--icon,
.btn-icon {
  gap: 8px;
}

.button--icon i,
.btn-icon i,
.button--icon .icon,
.btn-icon .icon {
  font-size: 1em;
  line-height: 1;
}

/* Icon-only buttons */
.button--icon-only,
.btn-icon-only {
  padding: 12px;
  min-width: 44px;
  min-height: 44px;
}

.button--icon-only i,
.btn-icon-only i {
  margin: 0;
}

/* =============================================================================
   Social Media Buttons
   ============================================================================= */

.btn-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 8px;
  background-color: #f5f5f5;
  color: #333333;
  transition: all 0.3s ease;
}

.btn-social:hover {
  background-color: #e0e0e0;
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-social i {
  font-size: 18px;
  line-height: 1;
}

/* =============================================================================
   Button Groups
   ============================================================================= */

.button-group,
.btn-group {
  display: inline-flex;
  vertical-align: middle;
}

.button-group > .button,
.button-group > .btn,
.btn-group > .button,
.btn-group > .btn {
  position: relative;
  flex: 0 1 auto;
  margin: 0;
}

.button-group > .button:not(:first-child),
.button-group > .btn:not(:first-child),
.btn-group > .button:not(:first-child),
.btn-group > .btn:not(:first-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  margin-left: -1px;
}

.button-group > .button:not(:last-child),
.button-group > .btn:not(:last-child),
.btn-group > .button:not(:last-child),
.btn-group > .btn:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

/* =============================================================================
   Loading State
   ============================================================================= */

.button--loading,
.btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.8;
}

.button--loading::after,
.btn-loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-radius: 50%;
  border-top-color: currentColor;
  animation: button-loading-spinner 0.8s linear infinite;
}

@keyframes button-loading-spinner {
  from {
    transform: rotate(0turn);
  }
  to {
    transform: rotate(1turn);
  }
}

/* =============================================================================
   Responsive Adjustments
   ============================================================================= */

@media (max-width: 768px) {
  /* Make buttons slightly larger on mobile for better touch targets */
  button,
  input[type="button"],
  input[type="reset"],
  input[type="submit"],
  .button,
  .btn {
    min-height: 44px;
    min-width: 44px;
  }
}

/* =============================================================================
   Print Styles
   ============================================================================= */

@media print {
  button,
  input[type="button"],
  input[type="reset"],
  input[type="submit"],
  .button,
  .btn {
    background-color: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
  }
}