/* ==============================================
   West Bethel Motel - Guest Kiosk Stylesheet
   Touch-optimized, accessible, privacy-first
   ============================================== */

/* CSS Variables for Theming */
:root {
  /* Colors */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-success: #059669;
  --color-success-hover: #047857;
  --color-success-light: #d1fae5;
  --color-warning: #d97706;
  --color-warning-hover: #b45309;
  --color-warning-light: #fef3c7;
  --color-info: #0891b2;
  --color-info-hover: #0e7490;
  --color-info-light: #cffafe;
  --color-danger: #dc2626;
  --color-danger-hover: #b91c1c;
  --color-danger-light: #fee2e2;

  /* Neutrals */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Touch Targets */
  --touch-min: 48px;
  --touch-comfortable: 56px;
  --touch-large: 72px;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

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

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Z-index layers */
  --z-base: 1;
  --z-header: 10;
  --z-chat: 100;
  --z-modal: 200;
  --z-loading: 300;
  --z-timeout: 400;
}

/* ==============================================
   Reset & Base Styles
   ============================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-gray-900);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  overflow: hidden;
  touch-action: manipulation; /* Prevent double-tap zoom */
  -webkit-tap-highlight-color: transparent; /* Remove tap highlight on iOS */
}

/* ==============================================
   Layout
   ============================================== */

.kiosk-container {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-gray-50);
}

/* ==============================================
   Header
   ============================================== */

.kiosk-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: var(--spacing-lg) var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-header);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.property-name {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.025em;
}

.property-tagline {
  font-size: var(--font-size-lg);
  margin: 0.25rem 0 0;
  opacity: 0.9;
}

.btn-staff-help {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-xl);
  color: white;
  font-size: var(--font-size-lg);
  font-weight: 600;
  cursor: pointer;
  min-height: var(--touch-comfortable);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.btn-staff-help:hover,
.btn-staff-help:active {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.05);
}

/* ==============================================
   Screen Management
   ============================================== */

.screen {
  flex: 1;
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: fadeIn var(--transition-slow);
}

.screen.active {
  display: flex;
}

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

.screen-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) var(--spacing-xl);
  background: white;
  border-bottom: 1px solid var(--color-gray-200);
}

.screen-header h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  flex: 1;
}

.btn-back {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  color: var(--color-gray-700);
  font-size: var(--font-size-lg);
  font-weight: 600;
  cursor: pointer;
  min-height: var(--touch-min);
  transition: all var(--transition-fast);
}

.btn-back:hover,
.btn-back:active {
  background: var(--color-gray-200);
  transform: translateX(-2px);
}

.screen-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-xl);
  background: var(--color-gray-50);
}

.screen-instructions {
  font-size: var(--font-size-xl);
  color: var(--color-gray-600);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

/* ==============================================
   Welcome Screen
   ============================================== */

.welcome-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  max-width: 1200px;
  margin: 0 auto;
}

.welcome-message {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.welcome-message h2 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-sm);
}

.welcome-message p {
  font-size: var(--font-size-2xl);
  color: var(--color-gray-600);
}

.action-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  width: 100%;
  max-width: 900px;
  margin-bottom: var(--spacing-xl);
}

.action-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
  background: white;
  border: 3px solid transparent;
  border-radius: var(--radius-2xl);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  min-height: 140px;
}

.action-button:hover,
.action-button:active {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.action-button.primary {
  border-color: var(--color-primary);
}

.action-button.primary .button-icon {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.action-button.success {
  border-color: var(--color-success);
}

.action-button.success .button-icon {
  color: var(--color-success);
  background: var(--color-success-light);
}

.action-button.warning {
  border-color: var(--color-warning);
}

.action-button.warning .button-icon {
  color: var(--color-warning);
  background: var(--color-warning-light);
}

.action-button.info {
  border-color: var(--color-info);
}

.action-button.info .button-icon {
  color: var(--color-info);
  background: var(--color-info-light);
}

.button-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  flex-shrink: 0;
}

.button-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  flex: 1;
}

.button-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.25rem;
}

.button-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-gray-600);
}

.quick-info {
  display: flex;
  gap: var(--spacing-xl);
  justify-content: center;
  flex-wrap: wrap;
  padding: var(--spacing-lg);
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  color: var(--color-gray-700);
}

.info-item svg {
  color: var(--color-primary);
}

/* ==============================================
   Forms
   ============================================== */

.kiosk-form {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
}

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

.form-group label {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-sm);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-xl);
  color: var(--color-gray-900);
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  min-height: var(--touch-comfortable);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: white;
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

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

.btn-primary {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-xl);
  font-size: var(--font-size-xl);
  font-weight: 700;
  cursor: pointer;
  min-height: var(--touch-comfortable);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover,
.btn-primary:active {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:disabled {
  background: var(--color-gray-300);
  cursor: not-allowed;
  transform: none;
}

.btn-large {
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: var(--font-size-2xl);
  min-height: var(--touch-large);
}

/* ==============================================
   Chat Interface
   ============================================== */

.chat-container {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70vh;
  background: white;
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.2);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  z-index: var(--z-chat);
  display: flex;
  flex-direction: column;
}

.chat-container.active {
  transform: translateY(0);
}

.chat-header {
  padding: var(--spacing-lg) var(--spacing-xl);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.chat-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

.chat-title-area h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0;
}

.chat-status {
  font-size: var(--font-size-sm);
  margin: 0;
  opacity: 0.9;
}

.btn-close-chat {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-min);
  height: var(--touch-min);
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-close-chat:hover,
.btn-close-chat:active {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  background: var(--color-gray-50);
}

.chat-message {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  animation: slideIn var(--transition-base);
}

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

.chat-message.user {
  flex-direction: row-reverse;
}

.message-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.chat-message.user .message-avatar {
  background: var(--color-gray-200);
  color: var(--color-gray-700);
}

.message-content {
  max-width: 70%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.chat-message.user .message-content {
  background: var(--color-primary);
  color: white;
}

.message-content p {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: var(--font-size-lg);
  line-height: 1.6;
}

.message-content p:last-child {
  margin-bottom: 0;
}

.message-content ul {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
}

.message-content li {
  font-size: var(--font-size-lg);
  margin-bottom: 0.25rem;
}

.chat-quick-actions {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  overflow-x: auto;
  background: white;
  border-top: 1px solid var(--color-gray-200);
}

.quick-action-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-xl);
  color: var(--color-gray-700);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  min-height: var(--touch-min);
  transition: all var(--transition-fast);
}

.quick-action-btn:hover,
.quick-action-btn:active {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.chat-input-container {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-xl);
  background: white;
  border-top: 1px solid var(--color-gray-200);
}

.chat-input {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-lg);
  font-family: inherit;
  color: var(--color-gray-900);
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-xl);
  resize: none;
  min-height: var(--touch-comfortable);
  max-height: 120px;
  transition: all var(--transition-fast);
}

.chat-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: white;
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.btn-send-message {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-comfortable);
  height: var(--touch-comfortable);
  background: var(--color-primary);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.btn-send-message:hover,
.btn-send-message:active {
  background: var(--color-primary-hover);
  transform: scale(1.1);
}

.btn-send-message:disabled {
  background: var(--color-gray-300);
  cursor: not-allowed;
  transform: none;
}

/* ==============================================
   Timeout Indicator
   ============================================== */

.timeout-indicator {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  text-align: center;
  z-index: var(--z-timeout);
  animation: fadeIn var(--transition-slow);
}

.timeout-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.timeout-content svg {
  color: var(--color-warning);
}

.timeout-content p {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin: 0;
}

.timeout-subtitle {
  font-size: var(--font-size-xl);
  font-weight: 400;
  color: var(--color-gray-600);
}

#timeout-seconds {
  color: var(--color-warning);
  font-weight: 700;
}

/* ==============================================
   Loading Overlay
   ============================================== */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  z-index: var(--z-loading);
  backdrop-filter: blur(4px);
}

.loading-spinner {
  width: 64px;
  height: 64px;
  border: 6px solid rgba(255, 255, 255, 0.2);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-text {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: white;
  margin: 0;
}

/* ==============================================
   Result Containers
   ============================================== */

.result-container {
  max-width: 800px;
  margin: var(--spacing-xl) auto 0;
  padding: var(--spacing-xl);
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
}

.result-success {
  border: 3px solid var(--color-success);
}

.result-error {
  border: 3px solid var(--color-danger);
}

.result-info {
  border: 3px solid var(--color-info);
}

/* ==============================================
   Responsive Design
   ============================================== */

@media (max-width: 768px) {
  .kiosk-header {
    padding: var(--spacing-md) var(--spacing-lg);
  }

  .property-name {
    font-size: var(--font-size-2xl);
  }

  .property-tagline {
    font-size: var(--font-size-base);
  }

  .action-buttons {
    grid-template-columns: 1fr;
  }

  .chat-container {
    height: 80vh;
  }

  .message-content {
    max-width: 85%;
  }
}

/* ==============================================
   Accessibility
   ============================================== */

/* Focus styles for keyboard navigation */
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .action-button {
    border-width: 4px;
  }

  .form-input {
    border-width: 3px;
  }
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print styles (hide interactive elements) */
@media print {
  .btn-staff-help,
  .action-buttons,
  .chat-container,
  .btn-back {
    display: none !important;
  }
}