/* Payment Page Styles for CustomPC.tech */

/* Import design system variables from main site */
:root {
  /* Color palette matching index.html */
  --space: 10px;
  --space-sm: 6px;
  --space-lg: 16px;
  --bg: #0a0f1a;
  --ink: #e9eefc;
  --muted: #aeb9d4;
  --panel: #111729;
  --panel2: #0d1426;
  --border: rgba(255, 255, 255, 0.08);
  --accent1: #7db2ff;
  --accent2: #7cf2e6;
  --radius: 18px;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  --max: 1200px;
  
  /* Payment-specific colors */
  --success-color: #51cf66;
  --error-color: #ff6b6b;
  --warning-color: #ffd43b;
  --info-color: var(--accent1);
  
  /* Form-specific variables */
  --form-input-height: 42px;
  --form-input-padding: 16px;
  --form-input-radius: 12px;
  --form-input-bg: #0c1426;
  --form-input-border: var(--border);
  --form-input-focus: var(--accent1);
  
  /* Button variables */
  --btn-height: 48px;
  --btn-padding: 14px 24px;
  --btn-radius: 14px;
  --btn-font-weight: 800;
  --btn-font-size: 1.05rem;
  
  /* Card variables */
  --card-bg: var(--panel);
  --card-border: var(--border);
  --card-radius: var(--radius);
  --card-shadow: var(--shadow);
  --card-padding: var(--space-lg);
}

/* Base styles */
* {
  box-sizing: border-box;
}

html {
  scrollbar-gutter: stable;
}

body.payment-page {
  margin: 0;
  font-family: system-ui, 'Segoe UI', Roboto, Inter, Arial, sans-serif;
  color: var(--ink);
  background: 
    radial-gradient(1200px 600px at 50% -10%, #0f162b 8%, transparent 55%),
    linear-gradient(#081021, #0a0f1a 40%, #0a0f1a);
  line-height: 1.55;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Utility classes */
.hidden {
  display: none !important;
}

.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:focus {
  position: static;
  width: auto;
  height: auto;
  padding: 0.25rem 0.5rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--accent1);
  color: white;
  border-radius: 4px;
  font-size: 0.875rem;
  z-index: 1000;
}

/* Access Denied Screen */
.access-denied {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-lg);
}

.access-denied-content {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  text-align: center;
  max-width: 400px;
  width: 100%;
}

.access-denied h1 {
  margin: 0 0 var(--space);
  font-size: 28px;
  color: var(--error-color);
}

.access-denied p {
  margin: 0 0 var(--space-lg);
  color: var(--muted);
}

/* Header */
.payment-header {
  background: rgba(17, 23, 41, 0.8);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--space) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.brand {
  display: flex;
  align-items: center;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  font-weight: 700;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.logo {
  height: 40px;
  width: 40px;
  border-radius: 50%;
  object-fit: contain;
}

.brand-text {
  font-size: 1.1rem;
}

.admin-nav {
  display: flex;
  align-items: center;
  gap: var(--space);
  flex-wrap: wrap;
}

.nav-pill {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.nav-pill:hover {
  background: #0f1830;
}

.nav-pill.active {
  background: linear-gradient(120deg, rgba(125, 178, 255, 0.15), rgba(124, 242, 230, 0.15));
  border-color: var(--border);
}

.admin-info {
  display: flex;
  align-items: center;
  gap: var(--space);
  margin-left: var(--space);
  padding-left: var(--space);
  border-left: 1px solid var(--border);
}

.admin-username {
  color: var(--accent1);
  font-weight: 600;
  font-size: 0.9rem;
}

.logout-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.logout-btn:hover {
  background: var(--error-color);
  color: white;
  border-color: var(--error-color);
}

/* Main Content */
.payment-main {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--space-lg);
}

.payment-container {
  width: 100%;
}

/* Page Header */
.page-header {
  text-align: center;
  margin-bottom: 2rem;
}

.page-header h1 {
  margin: 0 0 var(--space-sm);
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

/* Section Grid */
.section-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-lg);
  margin-bottom: 2rem;
}

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.card-header {
  padding: var(--card-padding);
  border-bottom: 1px solid var(--border);
}

.card-header h2 {
  margin: 0 0 var(--space-sm);
  font-size: 1.5rem;
  font-weight: 700;
}

.card-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Forms */
.payment-form {
  padding: var(--card-padding);
}

.form-fieldset {
  border: none;
  margin: 0 0 var(--space-lg);
  padding: 0;
}

.fieldset-legend {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: var(--space);
  padding: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space);
}

.form-group {
  margin-bottom: var(--space);
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 600;
  color: var(--ink);
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  height: var(--form-input-height);
  padding: 0 var(--form-input-padding);
  border-radius: var(--form-input-radius);
  border: 1px solid var(--form-input-border);
  background: var(--form-input-bg);
  color: var(--ink);
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.form-input:focus {
  outline: none;
  border-color: var(--form-input-focus);
  box-shadow: 0 0 0 3px rgba(125, 178, 255, 0.1);
}

.form-input::placeholder {
  color: var(--muted);
  opacity: 0.8;
}

.form-input:invalid {
  border-color: var(--error-color);
}

.form-input:valid:not(:placeholder-shown) {
  border-color: var(--success-color);
}

.form-help {
  margin-top: var(--space-sm);
  font-size: 0.8rem;
  color: var(--muted);
}

/* Amount Input */
.amount-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.currency-symbol {
  position: absolute;
  left: var(--form-input-padding);
  color: var(--muted);
  font-weight: 600;
  z-index: 1;
  pointer-events: none;
}

.amount-input {
  padding-left: calc(var(--form-input-padding) + 20px);
}

/* Payment Method Container */
.payment-method-container {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: var(--form-input-radius);
  padding: var(--space-lg);
}

.card-input-container {
  margin-bottom: var(--space);
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loading-placeholder {
  text-align: center;
  color: var(--muted);
}

.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top: 2px solid var(--accent1);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--space);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Checkbox Styling */
.save-card-option {
  border-top: 1px solid var(--border);
  padding-top: var(--space);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space);
  cursor: pointer;
  font-size: 0.9rem;
}

.checkbox-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 4px;
  background: var(--form-input-bg);
  position: relative;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.checkbox-input:checked + .checkbox-custom {
  background: var(--accent1);
  border-color: var(--accent1);
}

.checkbox-input:checked + .checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: bold;
}

.checkbox-input:focus + .checkbox-custom {
  box-shadow: 0 0 0 3px rgba(125, 178, 255, 0.1);
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  height: var(--btn-height);
  padding: var(--btn-padding);
  border-radius: var(--btn-radius);
  font-weight: var(--btn-font-weight);
  font-size: var(--btn-font-size);
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  border: none;
  letter-spacing: 0.2px;
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  color: #0b0f1a;
  box-shadow: 0 8px 22px rgba(117, 194, 255, 0.24), inset 0 -2px 0 rgba(0, 0, 0, 0.2);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(117, 194, 255, 0.32), inset 0 -2px 0 rgba(0, 0, 0, 0.2);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(1px);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--panel2);
  border-color: var(--accent1);
}

.btn-large {
  height: 56px;
  font-size: 1.1rem;
  padding: 0 2rem;
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Form Actions */
.form-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

/* Messages */
.payment-messages {
  margin-top: var(--space);
}

.message {
  padding: var(--space);
  border-radius: var(--form-input-radius);
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
}

.message-error {
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.3);
  color: var(--error-color);
}

.message-success {
  background: rgba(81, 207, 102, 0.1);
  border: 1px solid rgba(81, 207, 102, 0.3);
  color: var(--success-color);
}

.message-info {
  background: rgba(125, 178, 255, 0.1);
  border: 1px solid rgba(125, 178, 255, 0.3);
  color: var(--info-color);
}

/* Customer Sidebar */
.customer-sidebar {
  display: flex;
  flex-direction: column;
}

.customer-search {
  padding: var(--card-padding);
  border-bottom: 1px solid var(--border);
}

.search-input-wrapper {
  position: relative;
  margin-bottom: var(--space);
}

.clear-search-btn {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.clear-search-btn:hover {
  background: var(--panel2);
  color: var(--ink);
}

.clear-search-btn.hidden {
  display: none;
}

.search-filters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space);
  margin-bottom: var(--space);
}

.filter-select {
  font-size: 0.85rem;
  height: 36px;
  padding: 0 12px;
}

.customer-list {
  padding: var(--card-padding);
  max-height: 400px;
  overflow-y: auto;
}

.customer-item {
  padding: var(--space);
  border: 1px solid var(--border);
  border-radius: var(--form-input-radius);
  margin-bottom: var(--space-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.customer-item:hover {
  background: var(--panel2);
  border-color: var(--accent1);
}

.customer-name {
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.customer-email {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-sm);
}

.customer-cards {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Transactions Section */
.transactions-section {
  margin-top: 2rem;
}

.transactions-container {
  padding: var(--card-padding);
}

.transactions-list {
  max-height: 300px;
  overflow-y: auto;
}

.transaction-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space);
  border: 1px solid var(--border);
  border-radius: var(--form-input-radius);
  margin-bottom: var(--space-sm);
}

.transaction-info {
  flex: 1;
}

.transaction-customer {
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.transaction-details {
  color: var(--muted);
  font-size: 0.85rem;
}

.transaction-amount {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--success-color);
}

.transaction-status {
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.status-completed {
  background: rgba(81, 207, 102, 0.2);
  color: var(--success-color);
}

.status-failed {
  background: rgba(255, 107, 107, 0.2);
  color: var(--error-color);
}

.status-pending {
  background: rgba(255, 212, 59, 0.2);
  color: var(--warning-color);
}

/* Empty States */
.empty-state {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
}

.empty-state p {
  margin: 0 0 var(--space-sm);
}

.empty-state-subtitle {
  font-size: 0.85rem;
  opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .section-grid {
    grid-template-columns: 1fr;
    gap: var(--space);
  }
  
  .customer-sidebar {
    order: -1;
  }
  
  .customer-list {
    max-height: 200px;
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: var(--space);
    align-items: stretch;
  }
  
  .admin-nav {
    justify-content: center;
  }
  
  .admin-info {
    border-left: none;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: var(--space);
    margin-left: 0;
    justify-content: center;
  }
  
  .payment-main {
    padding: var(--space);
  }
  
  .page-header h1 {
    font-size: 2rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .payment-main {
    padding: var(--space-sm);
  }
  
  .card {
    border-radius: var(--space);
  }
  
  .card-header,
  .payment-form,
  .customer-search,
  .customer-list,
  .transactions-container {
    padding: var(--space);
  }
  
  .page-header h1 {
    font-size: 1.75rem;
  }
  
  .form-input {
    height: 48px;
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  .btn-primary,
  .btn-secondary {
    height: 48px;
    font-size: 1rem;
  }
}

/* Print Styles */
@media print {
  .payment-header,
  .customer-sidebar,
  .form-actions {
    display: none;
  }
  
  .payment-page {
    background: white;
    color: black;
  }
  
  .card {
    border: 1px solid #ccc;
    box-shadow: none;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .card {
    border: 2px solid var(--ink);
  }
  
  .form-input {
    border: 2px solid var(--border);
  }
  
  .form-input:focus {
    border: 2px solid var(--accent1);
  }
}

/* Form Validation Styles */
.form-input.valid {
  border-color: var(--success-color);
  box-shadow: 0 0 0 3px rgba(81, 207, 102, 0.1);
}

.form-input.invalid {
  border-color: var(--error-color);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.field-error {
  margin-top: var(--space-sm);
  font-size: 0.8rem;
  color: var(--error-color);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.field-error::before {
  content: '⚠';
  font-size: 0.9rem;
}

/* Enhanced Button States */
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-primary:disabled:hover {
  transform: none;
  box-shadow: none;
}

/* Processing State Enhancements */
.form-loading {
  pointer-events: none;
  opacity: 0.7;
}

.form-loading .form-input {
  background: var(--panel2);
  color: var(--muted);
}

.form-loading .btn-primary {
  background: var(--muted);
  color: var(--panel);
}

/* Enhanced Message Animations */
.payment-message {
  animation: slideInUp 0.4s ease-out;
  position: relative;
  overflow: hidden;
}

.payment-message::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  animation: shimmer 2s ease-in-out;
}

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

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Transaction Item Enhancements */
.transaction-item {
  animation: slideInUp 0.3s ease-out;
  transition: all 0.2s ease;
}

.transaction-item:hover {
  background: var(--panel2);
  border-color: var(--accent1);
  transform: translateY(-1px);
}

.transaction-amount {
  font-family: 'Courier New', monospace;
  letter-spacing: 0.5px;
}

/* Customer Item Enhancements */
.customer-item {
  animation: slideInUp 0.3s ease-out;
  transition: all 0.2s ease;
}

.customer-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.customer-item:active {
  transform: translateY(0);
}

/* Loading State Improvements */
.loading-placeholder {
  animation: pulse 2s ease-in-out infinite;
}

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

/* Focus Enhancements */
.form-input:focus {
  transform: translateY(-1px);
  box-shadow: 0 0 0 3px rgba(125, 178, 255, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Success State Animation */
.payment-message-success {
  border-left-width: 6px;
  animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
  0% {
    transform: scale(0.95);
    opacity: 0;
  }
  50% {
    transform: scale(1.02);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Error State Animation */
.payment-message-error {
  border-left-width: 6px;
  animation: errorShake 0.6s ease-out;
}

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

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .loading-spinner {
    animation: none;
  }
  
  .btn-spinner {
    animation: none;
  }
  
  .payment-message::after {
    animation: none;
  }
  
  .loading-placeholder {
    animation: none;
  }
}

/* Focus Management */
.payment-form:focus-within .form-group {
  position: relative;
}

.form-input:focus {
  z-index: 1;
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: no-preference) {
  .card {
    transition: transform 0.2s ease;
  }
  
  .card:hover {
    transform: translateY(-2px);
  }
}

/* Loading States */
.form-loading .form-input {
  opacity: 0.6;
  pointer-events: none;
}

.form-loading .btn-primary {
  opacity: 0.8;
  cursor: wait;
}

.form-loading .btn-text {
  opacity: 0;
}

.form-loading .btn-spinner {
  display: inline-block;
}/*
 Processing Indicator Styles */
.processing-indicator {
  display: none;
  padding: var(--space-lg);
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: var(--form-input-radius);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.processing-indicator.hidden {
  display: none !important;
}

.processing-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space);
  color: var(--accent1);
  font-weight: 600;
}

.processing-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top: 2px solid var(--accent1);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Payment Messages Styles */
.payment-messages {
  margin-top: var(--space-lg);
}

.payment-message {
  padding: var(--space) var(--space-lg);
  border-radius: var(--form-input-radius);
  margin-bottom: var(--space);
  font-weight: 500;
  border-left: 4px solid;
  animation: slideIn 0.3s ease-out;
}

.payment-message-success {
  background: rgba(81, 207, 102, 0.1);
  color: var(--success-color);
  border-left-color: var(--success-color);
}

.payment-message-error {
  background: rgba(255, 107, 107, 0.1);
  color: var(--error-color);
  border-left-color: var(--error-color);
}

.payment-message-warning {
  background: rgba(255, 212, 59, 0.1);
  color: var(--warning-color);
  border-left-color: var(--warning-color);
}

.payment-message-info {
  background: rgba(125, 178, 255, 0.1);
  color: var(--info-color);
  border-left-color: var(--info-color);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Square Card Container Styles */
.card-input-container {
  background: var(--form-input-bg);
  border: 1px solid var(--form-input-border);
  border-radius: var(--form-input-radius);
  padding: var(--form-input-padding);
  min-height: 60px;
  transition: border-color 0.2s ease;
}

.card-input-container:focus-within {
  border-color: var(--form-input-focus);
  box-shadow: 0 0 0 3px rgba(125, 178, 255, 0.1);
}

/* Loading placeholder for Square SDK */
.loading-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space);
  color: var(--muted);
  font-size: 0.9rem;
  min-height: 40px;
}

.loading-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top: 2px solid var(--muted);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Button spinner styles */
.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: var(--space-sm);
}

.btn-spinner.hidden {
  display: none;
}

/* Square SDK specific overrides */
#card-container iframe {
  border-radius: var(--form-input-radius) !important;
}

/* Responsive adjustments for payment processing */
@media (max-width: 768px) {
  .processing-content {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .payment-message {
    padding: var(--space-sm) var(--space);
    font-size: 0.9rem;
  }
}

/* Customer Management Styles */
.customer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  margin-bottom: var(--space);
  background: var(--form-input-bg);
  border: 1px solid var(--form-input-border);
  border-radius: var(--form-input-radius);
  cursor: pointer;
  transition: all 0.2s ease;
}

.customer-item:hover {
  border-color: var(--accent1);
  background: rgba(125, 178, 255, 0.05);
}

.customer-info {
  flex: 1;
}

.customer-name {
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
  font-size: 1rem;
}

.customer-email {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.customer-phone {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.customer-cards {
  color: var(--accent2);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 2px;
}

.customer-card-details {
  color: var(--muted);
  font-size: 0.8rem;
  font-family: 'Courier New', monospace;
  margin-bottom: 4px;
}

.customer-activity {
  color: var(--muted);
  font-size: 0.75rem;
  font-style: italic;
}

.customer-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: flex-end;
}

/* Customer Cards Modal */
.customer-cards-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  cursor: pointer;
}

.modal-content {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.25rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--panel2);
  color: var(--ink);
}

.modal-body {
  padding: var(--space-lg);
  overflow-y: auto;
  flex: 1;
}

.customer-cards-list {
  display: flex;
  flex-direction: column;
  gap: var(--space);
}

.card-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  background: var(--form-input-bg);
  border: 1px solid var(--form-input-border);
  border-radius: var(--form-input-radius);
  transition: all 0.2s ease;
}

.card-item:hover {
  border-color: var(--accent1);
  background: rgba(125, 178, 255, 0.05);
}

.card-item.primary-card {
  border-color: var(--accent2);
  background: rgba(124, 242, 230, 0.05);
}

.card-item.primary-card::before {
  content: '★';
  color: var(--accent2);
  font-size: 1.2rem;
  margin-right: var(--space);
}

.card-brand-last4 {
  font-weight: 600;
  color: var(--ink);
  font-family: 'Courier New', monospace;
  margin-bottom: 4px;
}

.card-expiry {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.card-usage {
  color: var(--muted);
  font-size: 0.8rem;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: flex-end;
}

/* Saved Payment Methods */
.saved-payment-methods {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

.saved-payment-methods.hidden {
  display: none;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.section-header h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.1rem;
  font-weight: 600;
}

.saved-cards-list {
  display: flex;
  flex-direction: column;
  gap: var(--space);
}

.saved-card-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  background: var(--form-input-bg);
  border: 1px solid var(--form-input-border);
  border-radius: var(--form-input-radius);
  transition: all 0.2s ease;
  position: relative;
}

.saved-card-item:hover {
  border-color: var(--accent1);
}

.saved-card-item.selected {
  border-color: var(--accent1);
  background: rgba(125, 178, 255, 0.1);
}

.saved-card-item.primary-card {
  border-color: var(--accent2);
  background: rgba(124, 242, 230, 0.05);
}

.card-info {
  flex: 1;
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.card-brand {
  font-weight: 600;
  color: var(--ink);
  text-transform: capitalize;
}

.primary-badge {
  background: var(--accent2);
  color: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

.recommended-badge {
  background: var(--accent1);
  color: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

.expired-badge {
  background: var(--error-color);
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

.card-details {
  color: var(--muted);
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}

.card-expiration {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.card-expiration.expired {
  color: var(--error-color);
  font-weight: 600;
}

.card-usage {
  color: var(--muted);
  font-size: 0.8rem;
  font-style: italic;
}

.card-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: flex-end;
}

/* Button styles for customer management */
.btn-link {
  background: none;
  border: none;
  color: var(--accent1);
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: underline;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.btn-link:hover {
  color: var(--accent2);
  background: rgba(125, 178, 255, 0.1);
  text-decoration: none;
}

.btn-small {
  height: 32px;
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* Field validation styles */
.form-input.valid {
  border-color: var(--success-color);
}

.form-input.invalid {
  border-color: var(--error-color);
}

.field-error {
  color: var(--error-color);
  font-size: 0.8rem;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.field-error::before {
  content: "⚠";
  font-size: 0.9rem;
}

/* Enhanced payment messages */
.payment-message {
  padding: var(--space-lg);
  border-radius: var(--form-input-radius);
  margin-bottom: var(--space);
  display: flex;
  align-items: flex-start;
  gap: var(--space);
  font-size: 0.95rem;
  line-height: 1.4;
}

.payment-message strong {
  font-weight: 600;
}

.payment-message-success {
  background: rgba(81, 207, 102, 0.1);
  border: 1px solid rgba(81, 207, 102, 0.3);
  color: var(--success-color);
}

.payment-message-error {
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.3);
  color: var(--error-color);
}

.payment-message-info {
  background: rgba(125, 178, 255, 0.1);
  border: 1px solid rgba(125, 178, 255, 0.3);
  color: var(--info-color);
}

/* Transaction history enhancements */
.transaction-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  margin-bottom: var(--space);
  background: var(--form-input-bg);
  border: 1px solid var(--form-input-border);
  border-radius: var(--form-input-radius);
}

.transaction-info {
  flex: 1;
}

.transaction-customer {
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.transaction-details {
  color: var(--muted);
  font-size: 0.85rem;
}

.transaction-amount {
  font-weight: 600;
  color: var(--ink);
  font-size: 1.1rem;
  margin-right: var(--space-lg);
}

.transaction-status {
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.status-completed {
  background: rgba(81, 207, 102, 0.2);
  color: var(--success-color);
}

.status-failed {
  background: rgba(255, 107, 107, 0.2);
  color: var(--error-color);
}

.status-pending {
  background: rgba(255, 212, 59, 0.2);
  color: var(--warning-color);
}

/* Responsive adjustments for customer management */
@media (max-width: 768px) {
  .customer-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space);
  }
  
  .customer-actions {
    width: 100%;
    justify-content: flex-end;
  }
  
  .saved-card-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space);
  }
  
  .card-actions {
    width: 100%;
    justify-content: flex-end;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space);
  }
  
  .transaction-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space);
  }
  
  .transaction-amount {
    margin-right: 0;
  }
}

/* Loading states */
.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top: 2px solid var(--accent1);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Enhanced button spinner */
.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: var(--space-sm);
}

.btn-spinner.hidden {
  display: none;
}

/* 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;
}