/* CSS Variables for theming */
:root {
  --primary-color: #4CAF50;
  --primary-hover: #45a049;
  --secondary-color: #2196F3;
  --secondary-hover: #1976D2;
  --success-color: #28a745;
  --danger-color: #f44336;
  --danger-hover: #d32f2f;
  --background-color: #f0f8ff;
  --card-background: #ffffff;
  --text-color: #333333;
  --text-muted: #666666;
  --border-color: #e0e0e0;
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.15);
  --border-radius: 12px;
  --border-radius-small: 8px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--background-color);
  color: var(--text-color);
  line-height: 1.5;
  height: 100vh;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

/* Layout */
.app-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: calc(100vh - 60px); /* 100vh minus footer height (approx 60px) */
  padding: 60px var(--spacing-md) 0;
  box-sizing: border-box;
}

.main-card {
  background: var(--card-background);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: var(--spacing-xl);
  width: 100%;
  max-width: 600px;
  text-align: center;
  transition: box-shadow 0.3s ease;
}

.main-card:hover {
  box-shadow: var(--shadow-hover);
}

/* Settings Toggle Button */
.settings-toggle {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 1000;
  background: #673ab7;
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.settings-toggle:hover {
  transform: rotate(90deg);
  box-shadow: var(--shadow-hover);
}

/* Settings Panel */
/* Settings Panel */
.settings-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  box-sizing: border-box;
}

.settings-panel.hidden {
  display: none;
}

.settings-panel > div {
  background: var(--card-background);
  border-radius: var(--border-radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.settings-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card-background);
  position: relative;
}

.settings-header h2 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--text-color);
  font-weight: 600;
}

.close-settings {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.close-settings:hover {
  background: var(--border-color);
  color: var(--text-color);
}

.settings-content {
  flex: 1;
  padding: var(--spacing-lg);
  overflow-y: auto;
  min-height: 0;
}

.settings-actions {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: var(--spacing-sm);
  justify-content: stretch;
  background: var(--card-background);
}

.settings-actions .btn {
  flex: 1;
  justify-content: center;
}

@media (max-width: 768px) {
  .settings-panel {
    padding: var(--spacing-md);
  }
  
  .settings-panel > div {
    max-width: 100%;
    margin: 0;
  }
  
  .settings-actions {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
  }
  
  .settings-actions .btn {
    flex: 0 0 48%;
    min-width: 100px;
    min-height: 32px;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
  }
}

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

.settings-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

.close-settings {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: 50%;
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.close-settings:hover {
  background: var(--border-color);
}

.settings-content {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

/* Settings Tabs */
.settings-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  background: #f8f9fa;
  flex-shrink: 0;
}

.settings-tab {
  flex: 1;
  padding: var(--spacing-md) var(--spacing-lg);
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.settings-tab:hover {
  background: rgba(76, 175, 80, 0.1);
  color: var(--primary-color);
}

.settings-tab.active {
  color: var(--primary-color);
  background: var(--card-background);
}

.settings-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-color);
}

.settings-tab-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-muted);
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 0.9rem;
  transition: color 0.2s ease;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.settings-tab-link:hover {
  color: var(--primary-color);
  background: rgba(76, 175, 80, 0.1);
}

.settings-tab-content {
  padding: var(--spacing-lg);
  display: none;
  flex: 1;
  overflow-y: auto;
}

.settings-tab-content.active {
  display: block;
}

.settings-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  justify-content: space-between;
  background: var(--card-background);
  flex-shrink: 0;
}

/* Settings Form Groups */
.settings-group {
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-small);
  overflow: hidden;
}

.settings-group-header {
  background: #f8f9fa;
  padding: var(--spacing-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  user-select: none;
  transition: background 0.3s ease;
}

.settings-group-header:hover {
  background: #e9ecef;
}

.settings-group-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  margin: 0;
}

.settings-group-toggle {
  transition: transform 0.3s ease;
  color: var(--text-muted);
}

.settings-group.collapsed .settings-group-toggle {
  transform: rotate(-90deg);
}

.settings-group-content {
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
}

.settings-group.collapsed .settings-group-content {
  display: none;
}

/* Preset Selector */
.preset-selector {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.preset-btn {
  padding: var(--spacing-lg);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--card-background);
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: left;
  font-size: 1rem;
  width: 100%;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-style: solid;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.preset-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}

.preset-btn:hover::before {
  left: 100%;
}

.preset-btn:hover {
  border-color: var(--primary-color);
  background: var(--background-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.preset-btn.active {
  border-color: var(--primary-color);
  background: var(--primary-color);
  color: white;
  box-shadow: 0 10px 30px rgba(76, 175, 80, 0.4);
  transform: translateY(-2px);
  position: relative;
}

.preset-btn.active::after {
  content: '✓';
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 1.2rem;
  font-weight: bold;
  color: white;
}

.preset-btn.active::before {
  display: none;
}

.preset-btn strong {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
  display: block;
}

.preset-btn small {
  opacity: 0.8;
  font-size: 0.9rem;
  line-height: 1.3;
}

.form-row {
  margin-bottom: var(--spacing-md);
}

.form-row label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-color);
}

/* Checkbox specific styling */
.form-row label input[type="checkbox"] {
  margin: 0;
  transform: scale(1.0);
  vertical-align: middle;
}

/* Label for checkboxes should be inline */
.form-row label:has(input[type="checkbox"]) {
  display: flex;
  align-items: flex-start;
  cursor: pointer;
  gap: var(--spacing-xs);
}

/* Alternative for browsers that don't support :has() */
.checkbox-label {
  display: flex !important;
  align-items: center !important;
  cursor: pointer !important;
  gap: 6px !important;
}

.form-row input:not([type="checkbox"]):not([type="radio"]),
.form-row select,
.form-row textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-small);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-row input:not([type="checkbox"]):not([type="radio"]):focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-row textarea {
  min-height: 80px;
  resize: vertical;
  font-family: monospace;
}

.form-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
  line-height: 1.4;
}

/* Record Section */
.record-section {
  margin-bottom: var(--spacing-xl);
  display: flex;
  justify-content: center;
  align-items: center;
}

.record-button {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: none;
  background: var(--primary-color);
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.record-button:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-hover);
}

.record-button.recording {
  background: var(--danger-color);
  animation: pulse 2s infinite;
}

.record-button.recording::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: ripple 1.5s infinite;
}

.record-button .material-icons {
  font-size: 2.5rem;
}

.record-text {
  font-size: 1rem;
  font-weight: 600;
}

/* Status Section */
.status-section {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.status-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-small);
  background: var(--border-color);
  color: var(--text-muted);
  opacity: 0.5;
  transition: all 0.3s ease;
  min-width: 100px;
  cursor: pointer;
  border: 2px solid transparent;
}

.status-item:hover {
  opacity: 0.8;
  transform: translateY(-2px);
}

.status-item.active {
  background: var(--primary-color);
  color: white;
  opacity: 1;
  border-color: var(--primary-color);
}

.status-item.completed {
  background: var(--success-color);
  color: white;
  opacity: 1;
  border-color: var(--success-color);
}

.status-item.processing {
  background: var(--secondary-color);
  color: white;
  opacity: 1;
  animation: bounce 1s infinite;
  border-color: var(--secondary-color);
}

.status-item.clickable {
  opacity: 0.8;
  background: var(--card-background);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.status-item .material-icons {
  font-size: 1.5rem;
}

.status-item span:last-child {
  font-size: 0.85rem;
  font-weight: 500;
}

/* Content Section */
.content-section {
  width: 100%;
}

.content-box {
  min-height: 120px;
  max-height: 300px;
  padding: var(--spacing-lg);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-small);
  background: #f9f9f9;
  font-size: 1rem;
  text-align: left;
  word-wrap: break-word;
  white-space: pre-wrap;
  transition: all 0.3s ease;
  line-height: 1.6;
  overflow-y: auto;
}

.content-box.processed {
  border-color: var(--primary-color);
  background: #f8fff8;
}

.content-box .placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  text-align: center;
}

.content-box .placeholder .material-icons {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  opacity: 0.5;
}

.content-box .placeholder p {
  margin: 0;
  font-size: 1.1rem;
}

/* Action Buttons */
.action-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius-small);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  min-height: 40px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

.btn-secondary {
  background: var(--secondary-color);
  color: white;
}

.btn-secondary:hover:not(:disabled) {
  background: var(--secondary-hover);
}

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

.btn-danger:hover:not(:disabled) {
  background: var(--danger-hover);
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-small);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 3000;
  max-width: 90%;
  text-align: center;
  font-weight: 500;
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.toast.success {
  background: var(--primary-color);
}

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

.toast.info {
  background: var(--secondary-color);
}

.toast.warning {
  background: #ff9800;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  z-index: 1500;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.loading-overlay:not(.hidden) {
  opacity: 1;
  visibility: visible;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-md);
}

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

.text-center {
  text-align: center;
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* Animations */
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes ripple {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(1.2); opacity: 0; }
}

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

/* Mobile Responsive Design */
@media (max-width: 768px) {
  body {
    height: 100vh;
    height: 100dvh; /* Use dynamic viewport height on mobile */
  }
  
  .app-container {
    padding: 70px var(--spacing-sm) 0;
    height: calc(100vh - 60px);
    height: calc(100dvh - 60px);
  }
  
  .main-card {
    padding: var(--spacing-lg);
  }
  
  .record-button {
    width: 160px;
    height: 160px;
  }
  
  .record-button .material-icons {
    font-size: 2.5rem;
  }
  
  .record-text {
    font-size: 1rem;
    font-weight: 600;
  }
  
  .status-section {
    gap: var(--spacing-md);
  }
  
  .status-item {
    padding: var(--spacing-sm);
    min-width: 90px;
  }
  
  .status-item .material-icons {
    font-size: 1.25rem;
  }
  
  .status-item span:last-child {
    font-size: 0.75rem;
  }
  
  .content-box {
    padding: var(--spacing-md);
    font-size: 0.95rem;
  }
  
  .settings-panel {
    padding: var(--spacing-sm);
    align-items: flex-start;
    padding-top: var(--spacing-lg);
  }
  
  .settings-panel > div {
    max-height: 95vh;
  }
  
  .settings-tab {
    padding: var(--spacing-sm);
    font-size: 0.9rem;
  }
  
  .settings-tab-content {
    padding: var(--spacing-md);
  }
  
  .settings-actions {
    flex-direction: row;
    flex-wrap: wrap;
    padding: var(--spacing-md);
  }
  
  .preset-selector {
    flex-direction: column;
  }
  
  .preset-btn {
    min-width: auto;
  }
  
  .btn {
    justify-content: center;
    padding: var(--spacing-md);
  }
  
  .action-buttons {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .settings-toggle {
    width: 45px;
    height: 45px;
  }
  
  .record-button {
    width: 200px;
    height: 200px;
  }
  
  .record-button .material-icons {
    font-size: 3rem;
  }

  .record-text {
    font-size: 1.1rem;
    font-weight: 700;
  }
  
  .status-section {
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
  }
  
  .status-item {
    flex-direction: row;
    justify-content: center;
    min-width: auto;
    width: 140px;
    padding: var(--spacing-sm) var(--spacing-xs);
  }
  
  .status-item .material-icons {
    font-size: 1rem;
  }
  
  .status-item span:last-child {
    font-size: 0.7rem;
    margin-left: var(--spacing-xs);
  }
  
  .content-box .placeholder .material-icons {
    font-size: 2rem;
  }
  
  .toast {
    bottom: var(--spacing-md);
    font-size: 0.9rem;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #999999;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
  }
}

/* Footer styles */
.app-footer {
  text-align: center;
  padding: var(--spacing-sm) 0;
  border-top: 1px solid var(--border-color);
  width: 100%;
  height: 60px; /* Fixed height for calculation */
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin: 0;
}

.footer-text a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-text a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Dark mode footer */
@media (prefers-color-scheme: dark) {
  .app-footer {
    border-top: 1px solid var(--border-color);
  }
  
  .footer-text a {
    color: var(--text-muted);
  }
  
  .footer-text a:hover {
    color: var(--primary-color);
  }
}

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