/* Modern Stripe Terminal POS Interface */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");

:root {
  /* Colors */
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #374151;
  --success-color: #059669;
  --success-hover: #047857;
  --success-light: #10b981;
  --success-lighter: #34d399;
  --warning-color: #d97706;
  --warning-light: #f59e0b;
  --error-color: #dc2626;
  --error-hover: #b91c1c;
  --error-light: #ef4444;

  /* Backgrounds */
  --background-primary: #ffffff;
  --background-secondary: #f8fafc;
  --background-tertiary: #f1f5f9;

  /* Borders */
  --border-light: #d1d5db;
  --border-medium: #9ca3af;
  --border-dark: #6b7280;

  /* Text */
  --text-primary: #000000;
  --text-secondary: #374151;
  --text-muted: #6b7280;
  --text-light: #ffffff;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.6s ease-in-out;

  /* Button Specific */
  --button-padding-sm: 0.75rem 1.25rem;
  --button-padding-lg: 1rem 2rem;
  --button-font-sm: 0.875rem;
  --button-font-lg: 1rem;
  --button-min-width: 220px;
}

/* Remove global #wpfooter styling - not plugin specific */
.stripe-terminals_page_stripe-terminal-pos #wpfooter {
  position: relative;
}

.stripe-terminal-pos {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  background: var(--background-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.wrap .stripe-terminal-admin-container {
  background: var(--background-primary);
  padding: 2rem;
  position: relative;
  min-height: 100vh;
}

.stripe-terminal-pos .pos-section {
  background: var(--background-primary);
  margin-bottom: 2rem;
  padding: 2rem;
  border: 1px solid var(--border-light);
}

.stripe-terminal-pos .pos-section h3 {
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 1.5rem 0;
}

.stripe-terminal-pos .form-row {
  flex-grow: 1;
}

.stripe-terminal-pos .form-row label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  color: var(--text-primary);
}

.stripe-terminal-pos .form-row input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 16px;
  transition: var(--transition-normal);
  background: var(--background-primary);
  color: var(--text-primary);
}

.stripe-terminal-pos .form-row input:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 0;
  border-color: var(--primary-color);
}

/* ===== PRODUCT SEARCH SECTION ===== */
.stripe-terminal-pos .product-search-container {
  background: var(--background-primary);
  padding: 1.5rem;
  border: 1px solid var(--border-light);
}

.stripe-terminal-pos .product-search-container label {
  display: block;
  width: 100%;
  margin-bottom: 12px;
  font-weight: 700;
  color: var(--text-primary) !important;
}

.stripe-terminal-pos .product-search-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.stripe-terminal-pos .product-search-controls .select2-container {
  flex: 0 0 70%;
}

.stripe-terminal-pos .product-search-controls .button {
  flex: 0 0 30%;
  margin: 0;
}

.stripe-terminal-pos .product-search-controls .select2-container {
  width: 100% !important;
}

.stripe-terminal-pos .select2-container--default .select2-selection--single {
  height: 48px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--background-primary);
}

.stripe-terminal-pos .select2-container--default
  .select2-selection--single
  .select2-selection__rendered {
  line-height: 44px;
  padding-left: 1rem;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
}

.stripe-terminal-pos .select2-container--default
  .select2-selection--single
  .select2-selection__arrow {
  height: 44px;
  right: 1rem;
}

.stripe-terminal-pos .select2-dropdown {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.stripe-terminal-pos .cart-container {
  background: var(--background-primary);
  border: 1px solid var(--border-light);
  margin: 1.5rem 0;
}

.stripe-terminal-pos .cart-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0;
  font-size: 0.9rem;
}

.stripe-terminal-pos .cart-table th {
  background: var(--background-primary);
  color: var(--text-primary);
  font-weight: 700;
  padding: 1rem;
  text-align: left;
  border: none;
  border-bottom: 2px solid var(--border-light);
  font-size: 0.875rem;
}

.stripe-terminal-pos .cart-table td {
  padding: 1rem;
  border: none;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
  font-weight: 500;
  vertical-align: middle;
}

.stripe-terminal-pos .cart-table tbody tr {
  transition: all 0.2s ease;
}

.stripe-terminal-pos .cart-table input {
  width: 80px;
  padding: 0.5rem;
  border: 1px solid var(--border-light);
  text-align: center;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--background-primary);
}

.stripe-terminal-pos .cart-table input:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 0;
  border-color: var(--primary-color);
}

.stripe-terminal-pos .remove-product {
  color: var(--error-color);
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--background-primary);
  border: 1px solid var(--error-color);
  font-weight: bold;
  font-size: 14px;
}

.stripe-terminal-pos .remove-product:hover {
  background: var(--error-color);
  color: var(--text-light);
}

.stripe-terminal-pos .cart-table tfoot td {
  background: var(--background-primary);
  font-weight: 600;
  border-bottom: none;
  padding: 1rem;
}

.stripe-terminal-pos .total-row td {
  background: var(--background-primary);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  border-top: 2px solid var(--border-medium);
}

.stripe-terminal-pos .product-price {
  font-weight: 700;
  color: var(--text-primary);
}

.stripe-terminal-pos .product-total {
  font-weight: 700;
  color: var(--text-primary);
}

/* Payment Info Container */
.stripe-terminal-pos .payment-info-container {
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.5rem;
}

.stripe-terminal-pos .payment-button-container {
  display: flex;
  align-items: end;
}

.stripe-terminal-pos .terminal-list {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.stripe-terminal-pos .terminal-item {
  background: var(--background-primary);
  border: 1px solid var(--border-light);
  padding: 1.5rem;
  cursor: pointer;
  transition: border-color 0.2s ease;
  position: relative;
}

.stripe-terminal-pos .terminal-item:hover {
  border-color: var(--border-medium);
}

.stripe-terminal-pos .terminal-item.selected {
  background: var(--background-primary);
  border-color: var(--primary-color);
  border-width: 2px;
}

.stripe-terminal-pos .terminal-item.selected::after {
  content: "✓";
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 24px;
  height: 24px;
  background: var(--primary-color);
  color: var(--text-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
}

.stripe-terminal-pos .terminal-item strong {
  display: block;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stripe-terminal-pos .terminal-item .terminal-details {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stripe-terminal-pos .terminal-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.75rem;
}

.stripe-terminal-pos .terminal-status.online {
  background: rgb(16 185 129 / 0.1);
  color: var(--success-color);
  border: 1px solid rgb(16 185 129 / 0.2);
}

.stripe-terminal-pos .terminal-status.offline {
  background: rgb(239 68 68 / 0.1);
  color: var(--error-color);
  border: 1px solid rgb(239 68 68 / 0.2);
}

.stripe-terminal-pos .terminal-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ===== BUTTON SYSTEM ===== */
/* Base Button Styling */
.stripe-terminal-pos .button {
  background: var(--primary-color);
  border: none;
  color: var(--text-light) !important;
  padding: var(--button-padding-sm);
  font-weight: 700;
  font-size: var(--button-font-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  border-radius: var(--radius-md);
}

.stripe-terminal-pos .button:hover:not(:disabled) {
  background: var(--primary-hover);
}

.stripe-terminal-pos .button:disabled {
  background: var(--border-medium);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Primary Action Buttons */
.stripe-terminal-pos #add-product,
.stripe-terminal-pos #discover-terminals,
.stripe-terminal-pos #check-status {
  background: var(--primary-color);
  border: none;
  color: var(--text-light) !important;
  padding: var(--button-padding-sm);
  font-weight: 700;
  font-size: var(--button-font-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  border-radius: var(--radius-md);
}

.stripe-terminal-pos #add-product:hover:not(:disabled),
.stripe-terminal-pos #discover-terminals:hover:not(:disabled),
.stripe-terminal-pos #check-status:hover:not(:disabled) {
  background: var(--primary-hover);
}

.stripe-terminal-pos #add-product:disabled,
.stripe-terminal-pos #discover-terminals:disabled,
.stripe-terminal-pos #check-status:disabled {
  background: var(--border-medium);
  cursor: not-allowed;
  opacity: 0.7;
}

/* ===== CREATE PAYMENT BUTTON SYSTEM ===== */
/* Base create payment button with maximum specificity */
body.wp-admin .stripe-terminal-pos #create-payment,
.wp-core-ui .stripe-terminal-pos #create-payment,
.wp-admin .stripe-terminal-pos #create-payment,
.stripe-terminal-pos #create-payment,
.stripe-terminal-pos button#create-payment {
  background: var(--success-color) !important;
  background-color: var(--success-color) !important;
  background-image: none !important;
  border: none !important;
  border-width: 0 !important;
  border-style: none !important;
  color: var(--text-light) !important;
  padding: var(--button-padding-lg) !important;
  font-weight: 700 !important;
  font-size: var(--button-font-lg) !important;
  cursor: pointer !important;
  transition: var(--transition-normal) !important;
  border-radius: var(--radius-md) !important;
  position: relative !important;
  min-width: var(--button-min-width) !important;
  text-decoration: none !important;
  text-shadow: none !important;
  box-shadow: none !important;
  outline: none !important;
  line-height: 1.4 !important;
  font-family: inherit !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  filter: none !important;
}

/* Hover state - ONLY for default state */
body.wp-admin
  .stripe-terminal-pos
  #create-payment:hover:not(:disabled):not(.processing):not(.success):not(
    .error
  ):not(.waiting),
.wp-core-ui
  .stripe-terminal-pos
  #create-payment:hover:not(:disabled):not(.processing):not(.success):not(
    .error
  ):not(.waiting),
.wp-admin
  .stripe-terminal-pos
  #create-payment:hover:not(:disabled):not(.processing):not(.success):not(
    .error
  ):not(.waiting),
.stripe-terminal-pos
  #create-payment:hover:not(:disabled):not(.processing):not(.success):not(
    .error
  ):not(.waiting),
.stripe-terminal-pos
  button#create-payment:hover:not(:disabled):not(.processing):not(.success):not(
    .error
  ):not(.waiting) {
  background: var(--success-hover) !important;
  background-color: var(--success-hover) !important;
  background-image: none !important;
  color: var(--text-light) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3) !important;
  text-decoration: none !important;
  border: none !important;
  filter: none !important;
}

/* Disabled state */
body.wp-admin .stripe-terminal-pos #create-payment:disabled,
.wp-core-ui .stripe-terminal-pos #create-payment:disabled,
.wp-admin .stripe-terminal-pos #create-payment:disabled,
.stripe-terminal-pos #create-payment:disabled,
.stripe-terminal-pos button#create-payment:disabled {
  background: var(--border-medium) !important;
  background-color: var(--border-medium) !important;
  background-image: none !important;
  cursor: not-allowed !important;
  opacity: 0.7 !important;
  transform: none !important;
  box-shadow: none !important;
  color: var(--text-light) !important;
  border: none !important;
  filter: none !important;
}

/* Focus state */
body.wp-admin .stripe-terminal-pos #create-payment:focus,
.wp-core-ui .stripe-terminal-pos #create-payment:focus,
.wp-admin .stripe-terminal-pos #create-payment:focus,
.stripe-terminal-pos #create-payment:focus,
.stripe-terminal-pos button#create-payment:focus {
  outline: 2px solid var(--primary-color) !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 2px var(--primary-color) !important;
  background: var(--success-color) !important;
  background-image: none !important;
  color: var(--text-light) !important;
  border: none !important;
  filter: none !important;
}

/* ===== PROCESSING STATES ===== */
/* General processing state */
body.wp-admin .stripe-terminal-pos #create-payment.processing,
.wp-core-ui .stripe-terminal-pos #create-payment.processing,
.wp-admin .stripe-terminal-pos #create-payment.processing,
.stripe-terminal-pos #create-payment.processing,
.stripe-terminal-pos button#create-payment.processing {
  background: linear-gradient(
    45deg,
    var(--warning-light),
    var(--warning-color)
  ) !important;
  background-color: var(--warning-light) !important;
  background-image: linear-gradient(
    45deg,
    var(--warning-light),
    var(--warning-color)
  ) !important;
  pointer-events: none !important;
  color: var(--text-light) !important;
  border: none !important;
  transform: none !important;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3) !important;
  position: relative !important;
  overflow: hidden !important;
  filter: none !important;
}

/* Waiting for customer state */
body.wp-admin .stripe-terminal-pos #create-payment.processing.waiting,
.wp-core-ui .stripe-terminal-pos #create-payment.processing.waiting,
.wp-admin .stripe-terminal-pos #create-payment.processing.waiting,
.stripe-terminal-pos #create-payment.processing.waiting,
.stripe-terminal-pos button#create-payment.processing.waiting {
  background: linear-gradient(
    45deg,
    var(--warning-light),
    var(--warning-color)
  ) !important;
  background-color: var(--warning-light) !important;
  background-image: linear-gradient(
    45deg,
    var(--warning-light),
    var(--warning-color)
  ) !important;
  padding-left: 45px !important;
  filter: none !important;
}

/* Spinner for waiting state */
body.wp-admin .stripe-terminal-pos #create-payment.processing.waiting::before,
.wp-core-ui .stripe-terminal-pos #create-payment.processing.waiting::before,
.wp-admin .stripe-terminal-pos #create-payment.processing.waiting::before,
.stripe-terminal-pos #create-payment.processing.waiting::before,
.stripe-terminal-pos button#create-payment.processing.waiting::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid var(--text-light);
  border-right: 2px solid var(--text-light);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  z-index: 10;
}

/* Success state */
body.wp-admin .stripe-terminal-pos #create-payment.success,
.wp-core-ui .stripe-terminal-pos #create-payment.success,
.wp-admin .stripe-terminal-pos #create-payment.success,
.stripe-terminal-pos #create-payment.success,
.stripe-terminal-pos button#create-payment.success {
  background: linear-gradient(
    45deg,
    var(--success-light),
    var(--success-color)
  ) !important;
  background-color: var(--success-light) !important;
  background-image: linear-gradient(
    45deg,
    var(--success-light),
    var(--success-color)
  ) !important;
  animation: successPulse var(--transition-slow) !important;
  color: var(--text-light) !important;
  border: none !important;
  transform: scale(1) !important;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4) !important;
  filter: none !important;
}

/* Error state */
body.wp-admin .stripe-terminal-pos #create-payment.error,
.wp-core-ui .stripe-terminal-pos #create-payment.error,
.wp-admin .stripe-terminal-pos #create-payment.error,
.stripe-terminal-pos #create-payment.error,
.stripe-terminal-pos button#create-payment.error {
  background: linear-gradient(
    45deg,
    var(--error-light),
    var(--error-color)
  ) !important;
  background-color: var(--error-light) !important;
  background-image: linear-gradient(
    45deg,
    var(--error-light),
    var(--error-color)
  ) !important;
  animation: errorShake var(--transition-slow) !important;
  color: var(--text-light) !important;
  border: none !important;
  transform: translateX(0) !important;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4) !important;
  filter: none !important;
}

@keyframes successPulse {
  0%,
  100% {
    transform: scale(1) !important;
    background: linear-gradient(
      45deg,
      var(--success-light),
      var(--success-color)
    ) !important;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4) !important;
  }
  50% {
    transform: scale(1.05) !important;
    background: linear-gradient(
      45deg,
      var(--success-lighter),
      var(--success-light)
    ) !important;
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.6) !important;
  }
}

@keyframes errorShake {
  0%,
  100% {
    transform: translateX(0) !important;
  }
  25% {
    transform: translateX(-5px) !important;
  }
  75% {
    transform: translateX(5px) !important;
  }
}

/* Generic Button Fallback (for any other buttons) */
.stripe-terminal-pos button:not(.button-cancel-confirm):not(.button-cancel-close):not(
    #add-product
  ):not(#discover-terminals):not(#create-payment):not(#check-status):not(
    #cancel-payment
  ) {
  background: var(--primary-color);
  border: none;
  color: var(--text-light) !important;
  padding: var(--button-padding-sm);
  font-weight: 700;
  font-size: var(--button-font-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  border-radius: var(--radius-md);
}

.stripe-terminal-pos button:not(.button-cancel-confirm):not(.button-cancel-close):not(
    #add-product
  ):not(#discover-terminals):not(#create-payment):not(#check-status):not(
    #cancel-payment
  ):hover:not(:disabled) {
  background: var(--primary-hover);
}

.stripe-terminal-pos button:not(.button-cancel-confirm):not(.button-cancel-close):not(
    #add-product
  ):not(#discover-terminals):not(#create-payment):not(#check-status):not(
    #cancel-payment
  ):disabled {
  background: var(--border-medium);
  cursor: not-allowed;
  opacity: 0.7;
}

.stripe-terminal-pos #payment-status,
.stripe-terminal-pos #payment-result {
  margin: 1.5rem 0;
  min-height: 60px;
}

/* Button group with WordPress override protection */
.stripe-terminal-pos .button-group,
body.wp-admin .stripe-terminal-pos .button-group,
.wp-core-ui .stripe-terminal-pos .button-group {
  margin-top: 2rem !important;
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 1rem !important;
  padding: 0 !important;
  border: none !important;
  background: none !important;
}

.stripe-terminal-pos .button-group .button,
body.wp-admin .stripe-terminal-pos .button-group .button,
.wp-core-ui .stripe-terminal-pos .button-group .button {
  margin: 0 !important;
}

/* Payment controls - first declaration with border */
.stripe-terminal-pos .payment-controls {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--border-light);
}

/* Cancel Payment Button */
.stripe-terminal-pos #cancel-payment {
  background: var(--error-color);
  border: none;
  color: var(--text-light);
  font-weight: 700;
  padding: var(--button-padding-sm);
  font-size: var(--button-font-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  border-radius: var(--radius-md);
  position: relative;
}

.stripe-terminal-pos #cancel-payment:hover:not(:disabled) {
  background: var(--error-hover);
}

.stripe-terminal-pos #cancel-payment:disabled {
  background: var(--border-medium);
  opacity: 0.7;
  cursor: not-allowed;
}

/* Loading spinner for cancel button */
.stripe-terminal-pos #cancel-payment.loading::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid var(--text-light);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.stripe-terminal-pos #cancel-payment.loading {
  padding-left: 35px;
}

/* Simple spinner animation for payment button */
@keyframes buttonSpinner {
  0% {
    transform: rotate(0deg) !important;
  }
  100% {
    transform: rotate(360deg) !important;
  }
}

/* Keep original spin animation for cancel button */
@keyframes spin {
  0% {
    transform: translateY(-50%) rotate(0deg);
  }
  100% {
    transform: translateY(-50%) rotate(360deg);
  }
}

/* Payment Controls Container with WordPress override protection */
.stripe-terminal-pos .payment-controls,
body.wp-admin .stripe-terminal-pos .payment-controls,
.wp-core-ui .stripe-terminal-pos .payment-controls {
  background: var(--background-primary) !important;
  margin-top: 2rem !important;
  display: flex !important;
  gap: 15px !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}

/* ===== PAYMENT PROGRESS BAR ===== */
.stripe-terminal-pos .payment-progress-container {
  margin: 2rem 0;
  padding: 2rem;
  background: var(--background-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  position: relative;
  z-index: 1;
}

.stripe-terminal-pos .progress-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.stripe-terminal-pos .progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  flex: 0 0 auto;
  z-index: 2;
  position: relative;
}

.stripe-terminal-pos .step-circle {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--background-primary);
  border: 3px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--border-medium);
  transition: all 0.3s ease;
}

.stripe-terminal-pos .step-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  white-space: nowrap;
  transition: all 0.3s ease;
}

.stripe-terminal-pos .progress-line {
  flex: 1;
  height: 3px;
  background: var(--border-light);
  position: relative;
  margin: 0 1rem;
  transition: all 0.3s ease;
}

/* Active step */
.stripe-terminal-pos .progress-step.active .step-circle {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--text-light);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  animation: pulse 2s infinite;
}

.stripe-terminal-pos .progress-step.active .step-label {
  color: var(--primary-color);
  font-weight: 700;
}

/* Completed step */
.stripe-terminal-pos .progress-step.completed .step-circle {
  background: var(--success-color);
  border-color: var(--success-color);
  color: var(--text-light);
}

.stripe-terminal-pos .progress-step.completed .step-circle::after {
  content: "✓";
  position: absolute;
  font-size: 1.5rem;
}

/* Hide the number when completed */
.stripe-terminal-pos .progress-step.completed .step-circle {
  font-size: 0;
}

.stripe-terminal-pos .progress-step.completed .step-label {
  color: var(--success-color);
}

/* Completed line */
.stripe-terminal-pos .progress-line.completed {
  background: var(--success-color);
}

/* Error step */
.stripe-terminal-pos .progress-step.error .step-circle {
  background: var(--error-color);
  border-color: var(--error-color);
  color: var(--text-light);
  animation: shake 0.5s;
}

.stripe-terminal-pos .progress-step.error .step-circle::after {
  content: "✕";
  position: absolute;
  font-size: 1.5rem;
}

.stripe-terminal-pos .progress-step.error .step-label {
  color: var(--error-color);
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(37, 99, 235, 0.2);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@keyframes waitingPulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

/* Waiting state - fade animation - REMOVED per user request */
/* .stripe-terminal-pos .payment-progress-container.waiting-pulse {
  animation: waitingPulse 2s ease-in-out infinite;
} */

/* Clickable progress steps */
.stripe-terminal-pos .progress-step {
  cursor: pointer;
  transition: all 0.3s ease;
}

.stripe-terminal-pos .progress-step:hover .step-circle {
  transform: scale(1.1);
  box-shadow: 0 0 0 4px rgba(156, 163, 175, 0.2);
}

.stripe-terminal-pos .progress-step.completed:hover .step-circle,
.stripe-terminal-pos .progress-step.active:hover .step-circle {
  transform: scale(1.1);
}

/* Step data tooltip */
.stripe-terminal-pos .step-data-tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: var(--background-primary);
  border: 2px solid var(--border-medium);
  border-radius: var(--radius-md);
  padding: 1rem;
  min-width: 280px;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  pointer-events: none;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.875rem;
}

/* Mobile tooltip adjustments */
@media (max-width: 768px) {
  .stripe-terminal-pos .step-data-tooltip {
    position: fixed;
    bottom: auto;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 90vw;
    max-width: 90vw;
    max-height: 70vh;
    overflow-y: auto;
    font-size: 0.8rem;
    z-index: 99999;
  }
  
  .stripe-terminal-pos .step-data-tooltip::after {
    display: none; /* Hide arrow on mobile */
  }
}

.stripe-terminal-pos .progress-step.has-data:hover .step-data-tooltip,
.stripe-terminal-pos .progress-step.active .step-data-tooltip.show,
.stripe-terminal-pos .progress-step.completed .step-data-tooltip.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-5px);
}

.stripe-terminal-pos .step-data-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid var(--border-medium);
}

.stripe-terminal-pos .step-data-tooltip h5 {
  margin: 0 0 0.75rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border-medium);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stripe-terminal-pos .step-data-tooltip .tooltip-row {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0;
  border-bottom: 1px dotted var(--border-light);
}

.stripe-terminal-pos .step-data-tooltip .tooltip-row:last-child {
  border-bottom: none;
}

.stripe-terminal-pos .step-data-tooltip .tooltip-label {
  color: var(--text-secondary);
  font-weight: 600;
}

.stripe-terminal-pos .step-data-tooltip .tooltip-value {
  color: var(--text-primary);
  font-weight: 700;
  text-align: right;
  max-width: 200px;
  word-break: break-all;
}

/* Responsive progress bar */
@media (max-width: 768px) {
  .stripe-terminal-pos .payment-progress-container {
    padding: 1.5rem 1rem;
  }
  
  /* Stack progress steps vertically on mobile */
  .stripe-terminal-pos .progress-steps {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 1.5rem;
  }
  
  .stripe-terminal-pos .progress-step {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    flex: none;
    width: 100%;
  }
  
  .stripe-terminal-pos .step-circle {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    flex-shrink: 0;
  }
  
  .stripe-terminal-pos .step-label {
    font-size: 0.875rem;
    text-align: left;
    white-space: normal;
    flex: 1;
    margin: 0;
  }
  
  /* Hide progress lines on mobile since we're stacking */
  .stripe-terminal-pos .progress-line {
    display: none;
  }
  
  /* Add vertical connector line instead */
  .stripe-terminal-pos .progress-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 19px; /* Center of 40px circle */
    top: 50px; /* Below the circle */
    width: 2px;
    height: 1.5rem;
    background: var(--border-light);
    z-index: 1;
  }
  
  .stripe-terminal-pos .progress-step.completed:not(:last-child)::after {
    background: var(--success-color);
  }
}

@media (max-width: 480px) {
  .stripe-terminal-pos .step-label {
    font-size: 0.8rem;
    white-space: normal;
    line-height: 1.3;
  }
  
  .stripe-terminal-pos .step-circle {
    width: 35px;
    height: 35px;
    font-size: 0.875rem;
  }
  
  /* Adjust vertical connector for smaller circles */
  .stripe-terminal-pos .progress-step:not(:last-child)::after {
    left: 16.5px; /* Center of 35px circle */
    top: 45px; /* Below the smaller circle */
  }

  .wrap .stripe-terminal-admin-container {
    padding: 0;
  }
  #cancel-confirmation-modal.cancel-modal, .stripe-terminal-pos .cancel-modal, .stripe-terminal-pos#cancel-confirmation-modal {
    width: 100% !important;
  }
}

/* Cancel Confirmation Modal */
#cancel-confirmation-modal.cancel-modal,
.stripe-terminal-pos .cancel-modal,
.stripe-terminal-pos#cancel-confirmation-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 99999;
  display: none !important;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
  visibility: hidden;
  margin: 0 !important;
  padding: 0 !important;
  width: auto;
  height: auto;
}

#cancel-confirmation-modal.cancel-modal.is-visible,
.stripe-terminal-pos .cancel-modal.is-visible,
.stripe-terminal-pos#cancel-confirmation-modal.is-visible {
  display: block !important;
  opacity: 1;
  visibility: visible;
}

.stripe-terminal-pos .cancel-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99998;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stripe-terminal-pos .cancel-modal-backdrop.is-visible {
  display: block;
  opacity: 1;
}

.stripe-terminal-pos .cancel-modal-content {
  position: relative;
  background: var(--background-primary);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  animation: modalSlideIn 0.3s ease-out;
  border: 2px solid var(--border-medium);
  z-index: 99999;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.stripe-terminal-pos .cancel-modal-header {
  padding: 2rem 2rem 1rem;
  border-bottom: 1px solid var(--border-light);
  background: var(--background-primary);
  position: relative;
}

.stripe-terminal-pos .cancel-modal-header h3 {
  margin: 0;
  padding-right: 2rem;
  color: var(--error-color);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Close button in header */
.stripe-terminal-pos .cancel-modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.stripe-terminal-pos .cancel-modal-close:hover {
  background: var(--background-tertiary);
  color: var(--text-primary);
}

.stripe-terminal-pos .cancel-icon {
  font-size: 1.75rem;
  filter: drop-shadow(0 2px 4px rgba(239, 68, 68, 0.2));
}

.stripe-terminal-pos .cancel-modal-body {
  padding: 2rem;
}

.stripe-terminal-pos .cancel-warning {
  background-color: #fef3f2;
  border: 1px solid #fecaca;
  border-radius: 4px;
  padding: 12px;
  margin-bottom: 20px;
  color: #991b1b;
  font-weight: 500;
}

.stripe-terminal-pos .transaction-summary {
  background-color: var(--background-primary);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 15px;
  margin-bottom: 20px;
}

.stripe-terminal-pos .transaction-summary h4 {
  margin: 0 0 12px 0;
  color: var(--text-primary) !important;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stripe-terminal-pos .summary-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stripe-terminal-pos .summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stripe-terminal-pos .summary-label {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

.stripe-terminal-pos .summary-value {
  font-weight: 700;
  color: var(--text-primary);
}

/* Product list in cancel modal */
.stripe-terminal-pos .modal-product-list {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--border-light);
}

.stripe-terminal-pos .modal-product-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
}

.stripe-terminal-pos .modal-product-item:last-child {
  border-bottom: none;
}

.stripe-terminal-pos .modal-product-name {
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.stripe-terminal-pos .modal-product-details {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

.stripe-terminal-pos .cancel-modal-subtotal {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-light);
}

.stripe-terminal-pos .cancel-consequences {
  background-color: var(--background-primary);
  border-left: 4px solid var(--error-color);
  padding: 15px;
  margin-bottom: 10px;
}

.stripe-terminal-pos .cancel-consequences h4 {
  margin: 0 0 10px 0;
  color: var(--error-color);
  font-size: 14px;
  font-weight: 600;
}

.stripe-terminal-pos .cancel-consequences ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-primary);
}

.stripe-terminal-pos .cancel-consequences li {
  margin-bottom: 4px;
  font-size: 14px;
  font-weight: 500;
}

.stripe-terminal-pos .cancel-modal-footer {
  padding: 15px 20px 20px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* Modal Buttons */
.stripe-terminal-pos .button-cancel-confirm {
  background: linear-gradient(135deg, var(--error-color), var(--error-hover)) !important;
  border: none !important;
  color: var(--text-light) !important;
  padding: 0.875rem 1.5rem !important;
  border-radius: var(--radius-md) !important;
  font-weight: 600 !important;
  font-size: var(--button-font-sm) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  cursor: pointer !important;
  transition: var(--transition-normal) !important;
  box-shadow: var(--shadow-sm) !important;
  text-shadow: none !important;
  background-image: linear-gradient(135deg, var(--error-color), var(--error-hover)) !important;
}

.stripe-terminal-pos .button-cancel-confirm:hover {
  background: linear-gradient(135deg, var(--error-hover), #b91c1c) !important;
  background-image: linear-gradient(135deg, var(--error-hover), #b91c1c) !important;
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-lg) !important;
  color: var(--text-light) !important;
}

.stripe-terminal-pos .button-cancel-close {
  background: linear-gradient(135deg, var(--secondary-color), #475569) !important;
  border: none !important;
  color: var(--text-light) !important;
  padding: 0.875rem 1.5rem !important;
  border-radius: var(--radius-md) !important;
  font-weight: 500 !important;
  font-size: var(--button-font-sm) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  cursor: pointer !important;
  transition: var(--transition-normal) !important;
  box-shadow: var(--shadow-sm) !important;
  text-shadow: none !important;
  background-image: linear-gradient(135deg, var(--secondary-color), #475569) !important;
}

.stripe-terminal-pos .button-cancel-close:hover {
  background: linear-gradient(135deg, #475569, #334155) !important;
  background-image: linear-gradient(135deg, #475569, #334155) !important;
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-lg) !important;
  color: var(--text-light) !important;
}

/* Status messages */
.stripe-terminal-pos .status-message {
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin: 15px 0;
  font-weight: 600;
  border: 1px solid transparent;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.stripe-terminal-pos .status-message:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.stripe-terminal-pos .status-message strong {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.stripe-terminal-pos .status-message br + * {
  display: block;
  margin-top: 0.25rem;
}

.stripe-terminal-pos .status-icon {
  font-size: 1.75rem;
  flex-shrink: 0;
  margin-top: 0;
  line-height: 1;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.stripe-terminal-pos .status-success {
  border-left: 4px solid var(--success-color);
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  color: #14532d;
  font-weight: 600;
  border-color: var(--success-color);
}

.stripe-terminal-pos .status-error {
  border-left: 4px solid var(--error-color);
  background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
  color: #7f1d1d;
  font-weight: 600;
  border-color: var(--error-color);
}

.stripe-terminal-pos .status-warning {
  border-left: 4px solid var(--warning-color);
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  color: #78350f;
  font-weight: 600;
  border-color: var(--warning-color);
}

.stripe-terminal-pos .status-info {
  border-left: 4px solid var(--primary-color);
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  color: #1e3a8a;
  font-weight: 600;
  border-color: var(--primary-color);
}

/* Improved payment status container */
.stripe-terminal-pos #payment-status {
  min-height: 60px;
  transition: all 0.3s ease;
}

.stripe-terminal-pos #payment-status:empty {
  min-height: 0;
}

/* Receipt-style status messages */
.stripe-terminal-pos .payment-receipt {
  background: var(--background-primary);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 1rem 0;
  font-family: 'Courier New', Courier, monospace;
  box-shadow: var(--shadow-sm);
}

.stripe-terminal-pos .payment-receipt .receipt-header {
  text-align: center;
  border-bottom: 2px dashed var(--border-medium);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.stripe-terminal-pos .payment-receipt .receipt-header h4 {
  margin: 0 0 0.5rem 0;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stripe-terminal-pos .payment-receipt .receipt-status {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.stripe-terminal-pos .payment-receipt .receipt-body {
  margin: 1rem 0;
}

.stripe-terminal-pos .payment-receipt .receipt-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px dotted var(--border-light);
  font-size: 0.9rem;
}

.stripe-terminal-pos .payment-receipt .receipt-row:last-child {
  border-bottom: none;
}

.stripe-terminal-pos .payment-receipt .receipt-label {
  color: var(--text-secondary);
  font-weight: 600;
}

.stripe-terminal-pos .payment-receipt .receipt-value {
  color: var(--text-primary);
  font-weight: 700;
}

.stripe-terminal-pos .payment-receipt .receipt-footer {
  border-top: 2px dashed var(--border-medium);
  padding-top: 1rem;
  margin-top: 1rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 600;
}

/* Modern Visual Enhancements */

/* Animated loading dots */
.stripe-terminal-pos .loading-dots {
  display: inline-block;
}

.stripe-terminal-pos .loading-dots::after {
  content: "";
  animation: dots 1.5s infinite;
}

@keyframes dots {
  0%,
  20% {
    content: "";
  }
  40% {
    content: ".";
  }
  60% {
    content: "..";
  }
  80%,
  100% {
    content: "...";
  }
}

/* ===== WORDPRESS CORE OVERRIDE PROTECTION ===== */
.stripe-terminal-pos * {
  box-sizing: border-box !important;
}

/* Z-index hierarchy to ensure tooltips and modals appear above everything */
.stripe-terminal-pos .pos-section {
  position: relative;
  z-index: 1;
}

.stripe-terminal-pos .payment-progress-container {
  position: relative;
  z-index: 2;
}

.stripe-terminal-pos .progress-step {
  position: relative;
  z-index: 3;
}

/* Ensure tooltips and modals are above WordPress admin elements */
.stripe-terminal-pos .step-data-tooltip,
.stripe-terminal-pos .cancel-modal,
.stripe-terminal-pos .cancel-modal-content {
  z-index: 99999 !important;
}

.stripe-terminal-pos .cancel-modal-backdrop {
  z-index: 99998 !important;
}

/* Override WordPress admin z-index conflicts */
body.wp-admin .stripe-terminal-pos .step-data-tooltip,
body.wp-admin .stripe-terminal-pos .cancel-modal,
body.wp-admin .stripe-terminal-pos .cancel-modal-content {
  z-index: 99999 !important;
}

body.wp-admin .stripe-terminal-pos .cancel-modal-backdrop {
  z-index: 99998 !important;
}

/* Prevent WordPress admin styles from interfering with our buttons */
.stripe-terminal-pos button,
.stripe-terminal-pos .button,
.stripe-terminal-pos input[type="button"],
.stripe-terminal-pos input[type="submit"] {
  background-image: none !important;
  text-shadow: none !important;
  filter: none !important;
  box-shadow: none !important;
}

/* Smooth scrolling - scoped to plugin only */
.stripe-terminal-pos {
  scroll-behavior: smooth;
}

/* Exception for buttons and specific colored elements - scoped */
.stripe-terminal-pos .button,
.stripe-terminal-pos button,
.stripe-terminal-pos .status-message,
.stripe-terminal-pos .terminal-status {
  color: inherit;
}

/* Focus styles for accessibility - scoped to plugin */
.stripe-terminal-pos *:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Responsive design - Enhanced Mobile First */

/* Base mobile-first styles */
.stripe-terminal-pos {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
  overflow: visible;
}

.stripe-terminal-pos .stripe-terminal-admin-container {
  padding: 1rem;
  min-height: auto;
}

.stripe-terminal-pos .pos-section {
  padding: 1rem;
  margin-bottom: 1rem;
  overflow: visible;
}

/* Stack everything vertically on mobile by default */
.stripe-terminal-pos .payment-info-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: stretch;
  justify-content: flex-start;
  margin-top: 1rem;
}

.stripe-terminal-pos .payment-button-container {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
}

/* Product search controls - mobile first */
.stripe-terminal-pos .product-search-controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

.stripe-terminal-pos .product-search-controls .select2-container,
.stripe-terminal-pos .product-search-controls .button {
  flex: 1 1 100%;
  width: 100%;
  max-width: 100%;
}

/* Form rows stack on mobile */
.stripe-terminal-pos .form-row {
  width: 100%;
}

.stripe-terminal-pos .form-row input {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

/* Button groups stack vertically */
.stripe-terminal-pos .button-group,
body.wp-admin .stripe-terminal-pos .button-group,
.wp-core-ui .stripe-terminal-pos .button-group {
  display: flex !important;
  flex-direction: column !important;
  gap: 1rem !important;
  width: 100% !important;
}

.stripe-terminal-pos .button-group .button,
body.wp-admin .stripe-terminal-pos .button-group .button,
.wp-core-ui .stripe-terminal-pos .button-group .button {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  margin: 0 !important;
}

/* Payment controls stack vertically */
.stripe-terminal-pos .payment-controls,
body.wp-admin .stripe-terminal-pos .payment-controls,
.wp-core-ui .stripe-terminal-pos .payment-controls {
  display: flex !important;
  flex-direction: column !important;
  gap: 1rem !important;
  width: 100% !important;
  margin-top: 1.5rem !important;
}

.stripe-terminal-pos .payment-controls button,
.stripe-terminal-pos .payment-controls .button {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
}

/* Terminal list - always single column on mobile */
.stripe-terminal-pos .terminal-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  width: 100%;
}

/* Cart table mobile optimization */
.stripe-terminal-pos .cart-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
}

.stripe-terminal-pos .cart-table {
  width: 100%;
  min-width: 500px; /* Minimum width to prevent crushing */
  font-size: 0.85rem;
}

.stripe-terminal-pos .cart-table th,
.stripe-terminal-pos .cart-table td {
  padding: 0.75rem 0.5rem;
  white-space: nowrap;
}

.stripe-terminal-pos .cart-table th:first-child,
.stripe-terminal-pos .cart-table td:first-child {
  white-space: normal;
  max-width: 150px;
  word-wrap: break-word;
}

/* Progress bar mobile optimization - Use stacked layout by default */
.stripe-terminal-pos .payment-progress-container {
  padding: 1.5rem 1rem;
  margin: 1.5rem 0;
  overflow-x: visible;
  -webkit-overflow-scrolling: touch;
}

/* Mobile-first: Stack vertically by default */
.stripe-terminal-pos .progress-steps {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 1.5rem;
}

.stripe-terminal-pos .progress-step {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
  flex: none;
  width: 100%;
}

.stripe-terminal-pos .step-circle {
  width: 40px;
  height: 40px;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.stripe-terminal-pos .step-label {
  font-size: 0.875rem;
  text-align: left;
  white-space: normal;
  flex: 1;
  margin: 0;
  line-height: 1.3;
}

/* Hide horizontal progress lines on mobile */
.stripe-terminal-pos .progress-line {
  display: none;
}

/* Add vertical connector lines instead */
.stripe-terminal-pos .progress-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 19px; /* Center of 40px circle */
  top: 50px; /* Below the circle */
  width: 2px;
  height: 1.5rem;
  background: var(--border-light);
  z-index: 1;
}

.stripe-terminal-pos .progress-step.completed:not(:last-child)::after {
  background: var(--success-color);
}

/* Modal mobile optimization */
.stripe-terminal-pos .cancel-modal-content {
  width: 95%;
  max-width: 95vw;
  max-height: 90vh;
  margin: 5vh 2.5vw;
}

.stripe-terminal-pos .cancel-modal-header,
.stripe-terminal-pos .cancel-modal-body {
  padding: 1.5rem 1rem;
}

.stripe-terminal-pos .cancel-modal-footer {
  padding: 1rem;
  flex-direction: column;
  gap: 1rem;
}

.stripe-terminal-pos .cancel-modal-footer .button {
  width: 100%;
}

/* Status messages mobile */
.stripe-terminal-pos .status-message {
  padding: 1rem;
  margin: 1rem 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Receipt mobile */
.stripe-terminal-pos .payment-receipt {
  padding: 1rem;
  margin: 1rem 0;
  font-size: 0.85rem;
}

/* Buttons - ensure they don't overflow */
.stripe-terminal-pos .button,
.stripe-terminal-pos button {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  word-wrap: break-word;
  white-space: normal;
  line-height: 1.4;
  padding: 0.875rem 1rem;
}

/* Create payment button mobile */
body.wp-admin .stripe-terminal-pos #create-payment,
.wp-core-ui .stripe-terminal-pos #create-payment,
.wp-admin .stripe-terminal-pos #create-payment,
.stripe-terminal-pos #create-payment,
.stripe-terminal-pos button#create-payment {
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  padding: 1rem !important;
  font-size: 1rem !important;
  line-height: 1.4 !important;
  white-space: normal !important;
  word-wrap: break-word !important;
}

/* Tablet styles - 769px to 1024px */
@media (min-width: 769px) and (max-width: 1024px) {
  .stripe-terminal-pos .stripe-terminal-admin-container {
    padding: 1.5rem;
  }

  .stripe-terminal-pos .pos-section {
    padding: 1.5rem;
  }

  .stripe-terminal-pos .payment-info-container {
    flex-direction: row;
    align-items: end;
    justify-content: space-between;
  }

  .stripe-terminal-pos .product-search-controls {
    flex-direction: row;
    align-items: center;
  }

  .stripe-terminal-pos .product-search-controls .select2-container {
    flex: 0 0 70%;
  }

  .stripe-terminal-pos .product-search-controls .button {
    flex: 0 0 28%;
  }

  .stripe-terminal-pos .button-group,
  body.wp-admin .stripe-terminal-pos .button-group,
  .wp-core-ui .stripe-terminal-pos .button-group {
    flex-direction: row !important;
    grid-template-columns: 1fr 1fr !important;
    display: grid !important;
  }

  .stripe-terminal-pos .payment-controls,
  body.wp-admin .stripe-terminal-pos .payment-controls,
  .wp-core-ui .stripe-terminal-pos .payment-controls {
    flex-direction: row !important;
  }

  .stripe-terminal-pos .terminal-list {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  /* Restore horizontal progress bar layout for tablet */
  .stripe-terminal-pos .progress-steps {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 0;
  }

  .stripe-terminal-pos .progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 0 0 auto;
    width: auto;
  }

  .stripe-terminal-pos .step-label {
    font-size: 0.8rem;
    text-align: center;
    white-space: nowrap;
  }

  /* Show horizontal progress lines on tablet */
  .stripe-terminal-pos .progress-line {
    display: block;
    flex: 1;
    height: 3px;
    background: var(--border-light);
    margin: 0 0.75rem;
  }

  /* Hide vertical connector lines on tablet */
  .stripe-terminal-pos .progress-step:not(:last-child)::after {
    display: none;
  }
}

/* Desktop styles - 1025px and up */
@media (min-width: 1025px) {
  .stripe-terminal-pos {
    margin: 0 auto;
  }

  .stripe-terminal-pos .stripe-terminal-admin-container {
    padding: 2rem;
  }

  .stripe-terminal-pos .pos-section {
    padding: 2rem;
    margin-bottom: 2rem;
  }

  .stripe-terminal-pos .payment-info-container {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .stripe-terminal-pos .product-search-controls {
    flex-direction: row;
    align-items: center;
  }

  .stripe-terminal-pos .product-search-controls .select2-container {
    flex: 0 0 70%;
  }

  .stripe-terminal-pos .product-search-controls .button {
    flex: 0 0 28%;
  }

  .stripe-terminal-pos .button-group,
  body.wp-admin .stripe-terminal-pos .button-group,
  .wp-core-ui .stripe-terminal-pos .button-group {
    flex-direction: row !important;
    grid-template-columns: 1fr 1fr !important;
    display: grid !important;
  }

  .stripe-terminal-pos .payment-controls,
  body.wp-admin .stripe-terminal-pos .payment-controls,
  .wp-core-ui .stripe-terminal-pos .payment-controls {
    flex-direction: row !important;
  }

  .stripe-terminal-pos .terminal-list {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  /* Restore horizontal progress bar layout for desktop */
  .stripe-terminal-pos .progress-steps {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 0;
    min-width: auto;
  }

  .stripe-terminal-pos .progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 0 0 auto;
    width: auto;
  }

  .stripe-terminal-pos .step-label {
    font-size: 0.875rem;
    text-align: center;
    white-space: nowrap;
  }

  /* Show horizontal progress lines on desktop */
  .stripe-terminal-pos .progress-line {
    display: block;
    flex: 1;
    height: 3px;
    background: var(--border-light);
    margin: 0 1rem;
  }

  /* Hide vertical connector lines on desktop */
  .stripe-terminal-pos .progress-step:not(:last-child)::after {
    display: none;
  }

  .stripe-terminal-pos .cart-table {
    min-width: auto;
  }

  /* Desktop buttons can have original sizing */
  .stripe-terminal-pos .button,
  .stripe-terminal-pos button {
    width: auto;
    min-width: var(--button-min-width);
  }

  body.wp-admin .stripe-terminal-pos #create-payment,
  .wp-core-ui .stripe-terminal-pos #create-payment,
  .wp-admin .stripe-terminal-pos #create-payment,
  .stripe-terminal-pos #create-payment,
  .stripe-terminal-pos button#create-payment {
    width: auto !important;
    min-width: var(--button-min-width) !important;
  }
}

/* Ultra-wide screens */
@media (min-width: 1400px) {
  .stripe-terminal-pos {
    max-width: 1200px;
  }
}

/* Small mobile phones - extra tight spacing */
@media (max-width: 360px) {
  .stripe-terminal-pos .stripe-terminal-admin-container {
    padding: 0.75rem;
  }

  .stripe-terminal-pos .pos-section {
    padding: 0.75rem;
    margin-bottom: 0.75rem;
  }

  .stripe-terminal-pos .pos-section h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
  }

  .stripe-terminal-pos .step-circle {
    width: 35px;
    height: 35px;
    font-size: 0.8rem;
  }

  .stripe-terminal-pos .step-label {
    font-size: 0.7rem;
    max-width: 60px;
  }

  .stripe-terminal-pos .cart-table {
    font-size: 0.8rem;
  }

  .stripe-terminal-pos .cart-table th,
  .stripe-terminal-pos .cart-table td {
    padding: 0.5rem 0.25rem;
  }

  .stripe-terminal-pos .button,
  .stripe-terminal-pos button {
    padding: 0.75rem 0.5rem;
    font-size: 0.875rem;
  }
}

/* Landscape mobile phones */
@media (max-height: 500px) and (orientation: landscape) {
  .stripe-terminal-pos .payment-progress-container {
    padding: 1rem;
    margin: 1rem 0;
  }

  .stripe-terminal-pos .cancel-modal-content {
    max-height: 85vh;
  }

  .stripe-terminal-pos .cancel-modal-header,
  .stripe-terminal-pos .cancel-modal-body {
    padding: 1rem;
  }
}

/* Enhanced hover effects - scoped */
.stripe-terminal-pos .pos-section,
.stripe-terminal-pos .terminal-item,
.stripe-terminal-pos .cart-table tbody tr {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Print styles */
@media print {
  .stripe-terminal-pos {
    box-shadow: none;
    background: var(--background-primary);
  }

  .stripe-terminal-pos .pos-section {
    box-shadow: none;
    border: 1px solid var(--border-medium);
  }

  .stripe-terminal-pos .button,
  .stripe-terminal-pos button {
    display: none;
  }
}

/* Custom scrollbar - scoped */
.stripe-terminal-pos .cancel-modal-content::-webkit-scrollbar {
  width: 8px;
}

.stripe-terminal-pos .cancel-modal-content::-webkit-scrollbar-track {
  background: var(--background-secondary);
  border-radius: var(--radius-sm);
}

.stripe-terminal-pos .cancel-modal-content::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: var(--radius-sm);
}

.stripe-terminal-pos .cancel-modal-content::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-color);
}

.stripe-terminal-pos .product-price {
  display: inline-block;
  min-width: 70px;
  padding: 5px 0;
}

.stripe-terminal-pos .notice {
  padding: 10px 15px;
  margin: 0 0 20px;
  border-left: 4px solid;
  background: var(--background-primary);
}

.stripe-terminal-pos .notice-error {
  border-color: var(--error-color);
  background-color: #fef7f7;
}

.stripe-terminal-pos .notice p {
  margin: 0.5em 0;
  padding: 0;
}