/* ========================================
   Utilities - Helper classes, Scroll buttons, etc.
   ======================================== */

/* === Accessibility === */

/* Skip Links */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--theme-dark-bg);
  color: var(--theme-dark-text);
  padding: 8px 12px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
  transition: top 0.3s ease;
}

.skip-link:focus {
  top: 6px;
  outline: 2px solid var(--theme-info-bg);
  outline-offset: 2px;
}

/* Focus Indicators */
*:focus {
  outline: 2px solid var(--theme-info-bg);
  outline-offset: 2px;
}

/* Screen Reader Only Content */
.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;
}

.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  padding: inherit;
  margin: inherit;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* === Scroll to Top Button === */
#scrollToTopBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--theme-base-bg);
  color: var(--theme-base-text);
  border: 2px solid var(--theme-muted-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(93, 156, 190, 0.3);
  z-index: 1040;
}

#scrollToTopBtn:hover {
  background: var(--theme-muted-bg);
  color: var(--theme-muted-text);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(93, 156, 190, 0.4);
}

#scrollToTopBtn.show {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 767px) {
  #scrollToTopBtn {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  #scrollToTopBtn {
    bottom: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

/* === Touch Interactions === */

/* Touch feedback animations */
.touch-feedback {
  transition: transform 0.15s ease;
}

.touch-feedback:active {
  transform: scale(0.98);
}

/* Swipe animations */
.swipe-left {
  transform: translateX(-20px);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.swipe-right {
  transform: translateX(20px);
  opacity: 0.7;
  transition: all 0.3s ease;
}

/* Touch-friendly button sizes */
@media (hover: none) and (pointer: coarse) {
  .btn {
    min-height: 44px;
    min-width: 44px;
  }

  .card {
    transition: transform 0.1s ease;
  }

  .card:active {
    transform: scale(0.98);
  }

  .btn-touch-friendly {
    min-height: 48px;
    min-width: 48px;
    padding: 12px 16px;
  }

  .card-touch-friendly {
    margin-bottom: 12px;
  }

  .card-touch-friendly .card-body {
    padding: 16px;
  }
}

/* Prevent text selection on touch */
.touch-no-select {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Touch scrolling improvements */
.touch-scroll,
.touch-container {
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}

/* Long press indication */
.long-press-active {
  background-color: rgba(var(--theme-info-rgb), 0.1);
  border-radius: 4px;
}

/* Double tap feedback */
.double-tap-feedback {
  animation: double-tap-pulse 0.3s ease;
}

@keyframes double-tap-pulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }

  100% {
    transform: scale(1);
  }
}

/* === Text & Color Utilities === */

.text-info {
  color: var(--theme-info-bg) !important;
}

.text-success {
  color: var(--theme-success-bg) !important;
}

.text-danger {
  color: var(--theme-danger-bg) !important;
}

.text-warning {
  color: #9a6700 !important;
}

.bg-dark .text-info,
.dark-bg .text-info,
.navbar-dark .text-info {
  color: var(--theme-info-on-dark) !important;
}

.bg-dark .text-success,
.dark-bg .text-success,
.navbar-dark .text-success {
  color: var(--theme-success-on-dark) !important;
}

.bg-dark .text-danger,
.dark-bg .text-danger,
.navbar-dark .text-danger {
  color: var(--theme-danger-on-dark) !important;
}

.bg-dark .text-warning,
.dark-bg .text-warning,
.navbar-dark .text-warning {
  color: var(--theme-warning-on-dark) !important;
}

.bg-primary,
.card.bg-primary,
.card-header.bg-primary {
  background: var(--theme-base-bg) !important;
  color: var(--theme-base-text) !important;
}

.bg-info,
.card.bg-info,
.card-header.bg-info {
  background: var(--theme-info-bg) !important;
  color: var(--theme-info-text) !important;
}

/* 既に bg-info に text-dark が付いている箇所は明示的に白に戻す */
.bg-info.text-dark,
.bg-info .text-dark,
.btn-info.text-dark,
.badge.bg-info.text-dark,
.card.bg-info .text-dark {
  color: var(--theme-info-text) !important;
}

.bg-success,
.card.bg-success,
.card-header.bg-success {
  background: var(--theme-success-bg) !important;
  color: var(--theme-success-text) !important;
}

/* fix contrast issue when text-dark class is incorrectly used on green backgrounds */
.bg-success.text-dark,
.bg-success .text-dark,
.btn-success.text-dark,
.badge.bg-success.text-dark,
.card.bg-success .text-dark {
  color: var(--theme-success-text) !important;
}

/* fix contrast issue when text-dark class is incorrectly used on red backgrounds */
.bg-danger.text-dark,
.bg-danger .text-dark,
.btn-danger.text-dark,
.badge.bg-danger.text-dark,
.card.bg-danger .text-dark {
  color: var(--theme-danger-text) !important;
}

/* fix contrast issue when text-dark class is incorrectly used on yellow backgrounds */
.bg-warning.text-dark,
.bg-warning .text-dark,
.btn-warning.text-dark,
.badge.bg-warning.text-dark,
.card.bg-warning .text-dark,
.alert-warning.text-dark,
.alert-warning .text-dark,
.list-group-item-warning.text-dark,
.list-group-item-warning .text-dark {
  color: var(--theme-warning-text) !important;
}

.bg-danger,
.card.bg-danger,
.card-header.bg-danger {
  background: var(--theme-danger-bg) !important;
  color: var(--theme-danger-text) !important;
}

.bg-light .text-white,
.card .text-white {
  color: var(--text-dark) !important;
}

.bg-dark,
.navbar-dark,
.dark-bg {
  color: var(--text-white) !important;
}

.badge.bg-dark,
.btn-dark {
  color: var(--text-white) !important;
}

.bg-theme-dark,
.theme-dark-bg,
.has-theme-dark {
  background: var(--theme-dark-bg) !important;
  color: var(--theme-dark-text) !important;
}

.btn.btn-theme-dark,
.badge.theme-dark {
  background: var(--theme-dark-bg) !important;
  color: var(--theme-dark-text) !important;
}

/* Dark background heading safety */
.dark-bg h1,
.dark-bg h2,
.dark-bg h3,
.dark-bg h4,
.dark-bg h5,
.dark-bg h6,
.bg-theme-dark h1,
.bg-theme-dark h2,
.bg-theme-dark h3,
.bg-theme-dark h4,
.bg-theme-dark h5,
.bg-theme-dark h6,
.theme-dark-bg h1,
.theme-dark-bg h2,
.theme-dark-bg h3,
.theme-dark-bg h4,
.theme-dark-bg h5,
.theme-dark-bg h6,
.has-theme-dark h1,
.has-theme-dark h2,
.has-theme-dark h3,
.has-theme-dark h4,
.has-theme-dark h5,
.has-theme-dark h6,
.admin-header h1,
.admin-header h2,
.admin-header h3,
.admin-header h4,
.admin-header h5,
.admin-header h6 {
  color: var(--theme-dark-text) !important;
}

.card,
.bg-light,
.container,
.d-flex.justify-content-between.align-items-center.mb-4.p-3.bg-light.rounded-3 {
  color: var(--text-dark) !important;
}

/* === Helper classes === */

.use-system-font,
.fallback-latin {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans JP',
    'Helvetica Neue', Arial, sans-serif !important;
}

.emoji-icon,
.icon-emoji {
  font-family: 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', sans-serif;
  font-style: normal;
  font-size: 1.05rem;
  line-height: 1;
  display: inline-block;
  width: 1.45rem;
  text-align: center;
}

/* === Global Animation Disable === */
/* Emergency global animation/transition disable to avoid visual jitter */
body * {
  transition: none !important;
  animation: none !important;
  transform: none !important;
  will-change: auto !important;
}

.card,
.menu-card,
.admin-order-card {
  transition: none !important;
}

.card:hover,
.menu-card:hover,
.admin-order-card:hover {
  transform: none !important;
}

/* === Mobile Optimizations === */

@media (max-width: 768px) {
  body {
    padding-top: 80px;
  }
}

@media (max-width: 320px) {
  body {
    padding-top: 60px;
  }

  .container,
  .container-fluid {
    padding-left: 8px;
    padding-right: 8px;
  }

  .card {
    border-radius: 12px;
    margin-bottom: 0.5rem;
  }

  .card-body {
    padding: 0.5rem;
  }

  .card-header {
    padding: 0.5rem;
  }

  .badge {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
    white-space: nowrap;
  }

  .fw-bold.fs-2 {
    font-size: 1.25rem;
  }

  .fw-bold.fs-4 {
    font-size: 1rem;
  }

  .d-flex {
    flex-wrap: wrap;
  }

  .btn-group {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .btn-group-sm>.btn {
    font-size: 0.65rem;
    padding: 0.2rem 0.3rem;
  }

  * {
    word-break: break-word;
    overflow-wrap: break-word;
  }

  code,
  pre,
  .fallback-latin {
    word-break: normal;
  }
}

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

@media (max-width: 768px) {
  .card {
    border-radius: 12px;
  }

  .navbar-brand {
    font-size: 1.15rem;
  }
}

@media (max-width: 992px) {
  .card {
    border-radius: 12px;
  }
}

@media (max-width: 360px) {
  .fw-bold.fs-2 {
    font-size: 1.25rem;
  }

  .fw-bold.fs-4 {
    font-size: 1rem;
  }

  .container,
  .container-fluid {
    padding-left: 8px;
    padding-right: 8px;
  }

  h1 {
    font-size: 1.35rem;
  }

  h2 {
    font-size: 1.15rem;
  }

  h3 {
    font-size: 1rem;
  }

  h4,
  h5,
  h6 {
    word-break: break-word;
    overflow-wrap: break-word;
  }
}