/* Camera App - Main Styles */
/* Mobile-first responsive design */

:root {
  --primary-color: #007bff;
  --primary-dark: #0056b3;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --light-color: #f8f9fa;
  --dark-color: #343a40;
  --gray-color: #6c757d;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  --border-radius: 8px;
  --border-radius-sm: 4px;
  --touch-target: 44px;

  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-sm: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 3px 6px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.10);

  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
}

/* Reset and base styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  color: var(--dark-color);
  background-color: var(--light-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--primary-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
  margin-bottom: var(--spacing-md);
}

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

/* App Container */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #fff;
}

/* Header */
.app-header {
  background-color: var(--primary-color);
  color: white;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-content h1 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
}

.sync-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.sync-indicator {
  font-size: 10px;
}

.sync-indicator.online {
  color: var(--success-color);
}

.sync-indicator.offline {
  color: var(--warning-color);
}

/* Main Content */
.main-content {
  flex: 1;
  padding: var(--spacing-md);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.view {
  display: none;
  min-height: calc(100vh - 140px);
}

.view.active {
  display: block;
}

/* Work Pack List */
.workpack-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.workpack-item {
  background: white;
  border: 1px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.workpack-item:hover,
.workpack-item:focus {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.workpack-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.workpack-title {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--dark-color);
  flex: 1;
  margin-right: var(--spacing-sm);
}

.workpack-status {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-active {
  background-color: rgba(40, 167, 69, 0.1);
  color: var(--success-color);
}

.status-pending {
  background-color: rgba(255, 193, 7, 0.1);
  color: var(--warning-color);
}

.status-completed {
  background-color: rgba(108, 117, 125, 0.1);
  color: var(--gray-color);
}

.workpack-description {
  font-size: var(--font-size-sm);
  color: var(--gray-color);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.workpack-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
  color: var(--gray-color);
}

.workpack-client {
  font-weight: 500;
}

/* Bottom Navigation */
.bottom-nav {
  background: white;
  border-top: 1px solid #e9ecef;
  display: flex;
  position: sticky;
  bottom: 0;
  z-index: 100;
}

.nav-item {
  flex: 1;
  padding: var(--spacing-md);
  border: none;
  background: none;
  color: var(--gray-color);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  transition: color var(--transition-fast);
  min-height: var(--touch-target);
  justify-content: center;
}

.nav-item:hover,
.nav-item:focus {
  color: var(--primary-color);
}

.nav-item.active {
  color: var(--primary-color);
}

.nav-icon {
  width: 20px;
  height: 20px;
}

.nav-label {
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* Floating Action Button */
.fab-camera {
  position: fixed;
  bottom: 90px;
  right: var(--spacing-md);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-fast);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fab-camera:hover,
.fab-camera:focus {
  transform: scale(1.1);
  background-color: var(--primary-dark);
}

.fab-camera svg {
  width: 24px;
  height: 24px;
}

/* Camera Modal */
.camera-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.camera-container {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 100vh;
  max-height: 100vw;
  display: flex;
  flex-direction: column;
}

#camera-stream {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-controls {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

.camera-capture {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 4px solid white;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.camera-capture:hover {
  transform: scale(1.05);
}

.capture-button {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: white;
  position: relative;
}

.capture-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-color);
}

.camera-close {
  background: rgba(220, 53, 69, 0.8);
  color: white;
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.camera-preview {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: black;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#preview-image {
  max-width: 100%;
  max-height: 80%;
  object-fit: contain;
  margin-bottom: var(--spacing-xl);
}

.preview-actions {
  display: flex;
  gap: var(--spacing-lg);
}

.preview-retake,
.preview-use {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: var(--font-size-md);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.preview-retake {
  background: var(--danger-color);
  color: white;
}

.preview-use {
  background: var(--success-color);
  color: white;
}

.preview-retake:hover,
.preview-use:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Empty State */
.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  text-align: center;
  color: var(--gray-color);
}

.empty-state p {
  font-size: var(--font-size-md);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 1000;
}

.toast {
  background: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--gray-color);
  transform: translateX(400px);
  transition: transform var(--transition-normal);
  max-width: 300px;
}

.toast.show {
  transform: translateX(0);
}

.toast-success {
  border-left-color: var(--success-color);
}

.toast-error {
  border-left-color: var(--danger-color);
}

.toast-warning {
  border-left-color: var(--warning-color);
}

/* Login Page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  padding: var(--spacing-md);
}

.login-container {
  width: 100%;
  max-width: 400px;
}

.login-card {
  background: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-header h1 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: var(--spacing-sm);
}

.login-header p {
  color: var(--gray-color);
  font-size: var(--font-size-md);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--dark-color);
  margin-bottom: var(--spacing-xs);
}

.form-input {
  padding: var(--spacing-md);
  border: 1px solid #ced4da;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

.login-button {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-md);
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  min-height: var(--touch-target);
}

.login-button:hover:not(:disabled) {
  background: var(--primary-dark);
}

.login-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

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

.login-footer {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid #e9ecef;
}

.login-footer p {
  color: var(--gray-color);
  font-size: var(--font-size-sm);
}

/* Search */
.search-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.search-input-wrapper {
  position: relative;
}

.search-input {
  width: 100%;
  padding: var(--spacing-md);
  padding-right: 40px;
  border: 1px solid #ced4da;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-md);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

.search-clear {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--gray-color);
  cursor: pointer;
  font-size: 18px;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-results {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* History */
.history-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.history-item {
  background: white;
  border: 1px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.history-info {
  flex: 1;
}

.history-title {
  font-size: var(--font-size-md);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.history-type {
  font-size: var(--font-size-sm);
  color: var(--gray-color);
  background: rgba(0, 123, 255, 0.1);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  display: inline-block;
}

.history-date {
  font-size: var(--font-size-sm);
  color: var(--gray-color);
}

/* Responsive Design */
@media (min-width: 768px) {
  .main-content {
    padding: var(--spacing-lg);
  }

  .workpack-item {
    padding: var(--spacing-lg);
  }

  .fab-camera {
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  .app-container {
    max-width: 480px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
  }
}

/* Dark mode support (for future enhancement) */
@media (prefers-color-scheme: dark) {
  :root {
    --light-color: #1a1a1a;
    --dark-color: #ffffff;
    --gray-color: #adb5bd;
  }

  .workpack-item,
  .history-item {
    background: #2d2d2d;
    border-color: #404040;
  }
}

/* Print styles */
@media print {
  .bottom-nav,
  .fab-camera,
  .camera-modal {
    display: none !important;
  }

  .app-header {
    position: static;
    box-shadow: none;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for keyboard navigation */
.nav-item:focus-visible,
.workpack-item:focus-visible,
.login-button:focus-visible,
.form-input:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --primary-color: #0066cc;
    --success-color: #008000;
    --danger-color: #cc0000;
  }
}

/* Workpack Detail View Styles */
#workpack-detail-view {
  padding: 0;
}

.workpack-detail-container {
  padding: var(--spacing-md);
  max-width: 800px;
  margin: 0 auto;
}

.detail-header {
  margin-bottom: var(--spacing-md);
}

.back-button, .refresh-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: none;
  border: 1px solid var(--gray-color);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--font-size-md);
  color: var(--dark-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.back-button:hover, .refresh-button:hover {
  background: var(--light-color);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.back-button svg, .refresh-button svg {
  width: 20px;
  height: 20px;
}

.workpack-info {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.workpack-detail-title {
  font-size: var(--font-size-xl);
  color: var(--dark-color);
  margin-bottom: var(--spacing-md);
}

.workpack-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  color: var(--gray-color);
  font-size: var(--font-size-sm);
}

.workpack-detail-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.forms-container {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
}

.forms-section-title {
  font-size: var(--font-size-lg);
  color: var(--dark-color);
  margin-bottom: var(--spacing-md);
}

.forms-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-item, .pack-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  background: var(--light-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: var(--touch-target);
}

.form-item:hover, .pack-item:hover {
  background: #e9ecef;
  transform: translateX(4px);
}

.pack-item {
  background: #e3f2fd;
  border: 2px solid var(--primary-color);
  font-weight: 600;
}

.form-item-info {
  flex: 1;
}

.form-item-title {
  font-size: var(--font-size-md);
  color: var(--dark-color);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.form-item-meta {
  font-size: var(--font-size-sm);
  color: var(--gray-color);
}

.form-item-action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target);
  height: var(--touch-target);
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.form-item-action:hover {
  background: var(--primary-dark);
  transform: scale(1.1);
}

.form-item-action svg {
  width: 24px;
  height: 24px;
}

.form-status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.form-status.status-draft {
  background: #f0f0f0;
  color: #666;
}

.form-status.status-complete {
  background: #d4edda;
  color: #155724;
}

.form-status.status-in-progress {
  background: #fff3cd;
  color: #856404;
}