/* Reset & Base Setup */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

:root {
  --bg-color: #020204;
  --panel-bg: rgba(10, 10, 12, 0.75);
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-border-focus: rgba(255, 255, 255, 0.3);
  
  --text-primary: #f8fafc;
  --text-secondary: #a1a1aa;
  --text-muted: #52525b;
  
  --accent-purple: #ffffff;
  --accent-purple-glow: rgba(255, 255, 255, 0.15);
  --accent-cyan: #e4e4e7;
  --accent-cyan-glow: rgba(255, 255, 255, 0.1);
  
  --success: #f4f4f5;
  --error: #7f1d1d;
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

#app-container {
  display: flex;
  width: 100vw;
  height: 100vh;
  position: relative;
}

/* Three.js Viewport */
#canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* Glassmorphism Sidebar */
.sidebar {
  position: absolute;
  top: 16px;
  left: 16px;
  bottom: 16px;
  width: 380px;
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Collapsed State */
.sidebar.collapsed {
  transform: translateX(calc(-380px - 16px - 2px));
  opacity: 0.0;
  pointer-events: none;
}

/* Expand Tab: floating button to re-open the sidebar */
#sidebar-expand-tab {
  position: absolute;
  top: 50%;
  left: 16px;
  transform: translateY(-50%);
  z-index: 11;
  width: 36px;
  height: 64px;
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 0 12px 12px 0;
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, color 0.2s ease;
}

#sidebar-expand-tab.visible {
  opacity: 1;
  pointer-events: all;
}

#sidebar-expand-tab:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.08);
}


.sidebar-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--panel-border);
  flex-shrink: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.header-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  gap: 12px;
}

/* Toggle collapse button inside the header */
.sidebar-toggle-btn {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.sidebar-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.sidebar-toggle-btn #toggle-icon {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.collapsed .sidebar-toggle-btn #toggle-icon {
  transform: rotate(180deg);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 24px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 8px var(--accent-purple-glow));
}

.logo h1 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.logo h1 span {
  font-weight: 300;
  color: var(--accent-cyan);
}

.subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 1px;
}

/* Language selector */
.lang-selector-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 2px 8px 2px 24px;
  transition: var(--transition-smooth);
}

.lang-selector-wrapper:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
}

.lang-selector-wrapper .lang-icon {
  position: absolute;
  left: 8px;
  font-size: 11px;
  color: var(--text-secondary);
  pointer-events: none;
}

.lang-select {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 11px;
  font-family: var(--font-sans);
  cursor: pointer;
  padding: 2px 14px 2px 0;
  outline: none;
  width: auto;
  appearance: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.lang-select:hover, .lang-select:focus {
  color: var(--text-primary);
}

.lang-select option {
  background-color: #0f0f15;
  color: var(--text-primary);
  font-size: 12px;
}

.lang-selector-wrapper::after {
  content: '\f107';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
  font-size: 9px;
}

/* Scrollable Sidebar Content */
.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Custom Scrollbar for Sidebar */
.sidebar-content::-webkit-scrollbar {
  width: 6px;
}
.sidebar-content::-webkit-scrollbar-track {
  background: transparent;
}
.sidebar-content::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}
.sidebar-content::-webkit-scrollbar-thumb:hover {
  background: var(--accent-purple);
}

/* Accordion Control Sections */
.control-section {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-smooth);
  flex-shrink: 0;
}

.control-section.active {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.section-title {
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.01);
  transition: var(--transition-smooth);
}

.section-title i {
  color: var(--accent-cyan);
  width: 16px;
  text-align: center;
}

.section-title:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.control-section.active .section-title {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--accent-cyan);
}

.section-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 18px;
}

.control-section.active .section-body {
  max-height: 350px;
  padding: 16px 18px;
}

/* Control Elements */
.control-group {
  margin-bottom: 18px;
}
.control-group:last-child {
  margin-bottom: 0;
}

.control-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.control-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
}

.control-value {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: bold;
}

/* Range Inputs */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  outline: none;
  transition: var(--transition-smooth);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2px solid var(--accent-purple);
  cursor: pointer;
  box-shadow: 0 0 8px var(--accent-purple-glow);
  transition: var(--transition-smooth);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

/* Select Dropdowns */
.select-wrapper {
  position: relative;
  width: 100%;
  margin-top: 6px;
}

.select-wrapper::after {
  content: '\f107';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
  font-size: 12px;
  transition: var(--transition-smooth);
}

select {
  width: 100%;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  border-radius: 8px;
  outline: none;
  appearance: none;
  font-family: var(--font-sans);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

select:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.2);
}

select option {
  background-color: #0f0f15;
  color: var(--text-primary);
}

/* Toggle Buttons */
.toggle-group {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.toggle-buttons {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  padding: 2px;
  border: 1px solid var(--panel-border);
}

.toggle-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.toggle-btn.active {
  background: var(--accent-purple);
  color: #000;
  box-shadow: 0 2px 8px var(--accent-purple-glow);
}

/* Checkbox (Custom styling) */
.control-header-checkbox {
  display: flex;
  align-items: center;
}

.checkbox-container {
  display: block;
  position: relative;
  padding-left: 28px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
  line-height: 18px;
}

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

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 18px;
  width: 18px;
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  transition: var(--transition-smooth);
}

.checkbox-container:hover input ~ .checkmark {
  border-color: var(--accent-cyan);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--accent-purple);
  border-color: var(--accent-purple);
  box-shadow: 0 0 6px var(--accent-purple-glow);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 6px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid #000000;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Color Picker Group */
.color-picker-group {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.color-picker-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

input[type="color"] {
  -webkit-appearance: none;
  border: none;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
}

input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

input[type="color"]::-webkit-color-swatch {
  border: 1px solid var(--panel-border);
  border-radius: 6px;
}

.color-hex-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--panel-border);
}

/* Image Upload Zone */
.upload-zone {
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  position: relative;
  background: rgba(0, 0, 0, 0.15);
  transition: var(--transition-smooth);
  margin-bottom: 16px;
}

.upload-zone:hover {
  border-color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.02);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.05);
}

.upload-zone.dragover {
  border-color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.05);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.1);
}

.file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.upload-icon {
  font-size: 28px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  transition: var(--transition-smooth);
}

.upload-zone:hover .upload-icon {
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.upload-zone p {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.upload-zone p span {
  color: var(--accent-cyan);
  font-weight: 600;
}

.upload-tip {
  font-size: 9px;
  color: var(--text-muted);
  display: block;
}

/* Sample Images selector */
.samples-wrapper {
  margin-top: 10px;
}

.sample-grid {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}

.sample-btn {
  flex: 1;
  height: 48px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: rgba(0, 0, 0, 0.3);
  cursor: pointer;
  overflow: hidden;
  transition: var(--transition-smooth);
  padding: 3px;
}

.sample-btn:hover {
  border-color: var(--accent-cyan);
  transform: scale(1.05);
}

.sample-btn.active {
  border-color: var(--accent-purple);
  box-shadow: 0 0 10px var(--accent-purple-glow);
  background: rgba(139, 92, 246, 0.05);
}

.sample-preview {
  width: 100%;
  height: 100%;
  border-radius: 6px;
  background-size: cover;
  background-position: center;
}

.grad-preview {
  background: linear-gradient(135deg, #0a0a0c, #52525b, #f4f4f5);
}

.face-preview {
  background: radial-gradient(circle at 30% 30%, #ffffff 0%, transparent 60%),
              radial-gradient(circle at 70% 70%, #27272a 0%, transparent 60%),
              #09090b;
}

.abstract-preview {
  background: repeating-linear-gradient(45deg, #09090b, #09090b 10px, #27272a 10px, #27272a 20px);
}

/* Audio Banner warning */
.audio-banner {
  background: rgba(6, 182, 212, 0.05);
  border: 1px solid rgba(6, 182, 212, 0.15);
  padding: 10px 12px;
  border-radius: 8px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.banner-icon {
  color: var(--accent-cyan);
  font-size: 14px;
  margin-top: 2px;
}

.audio-banner p {
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Sidebar Footer Buttons */
.sidebar-footer {
  padding: 20px;
  border-top: 1px solid var(--panel-border);
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
}

.footer-btn {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: none;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-smooth);
}

.btn-export {
  background: linear-gradient(135deg, #ffffff, #a3a3a3);
  color: #000;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}

.btn-export:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.18);
  background: linear-gradient(135deg, #ffffff, #e5e5e5);
}

.btn-export:active {
  transform: translateY(0);
}

.btn-reset {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  box-shadow: none;
}

.btn-reset:hover {
  background: transparent;
  color: #fff;
  border-color: transparent;
}

/* Loading Overlay */
#loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 5, 8, 0.85);
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  backdrop-filter: blur(10px);
  transition: opacity 0.4s ease;
}

#loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.05);
  border-top: 3px solid var(--accent-cyan);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

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

#loading-overlay p {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--text-secondary);
}

/* Toast Notifications */
.toast {
  position: fixed;
  top: 24px;
  right: 24px;
  background: rgba(16, 185, 129, 0.9);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #fff;
  padding: 12px 24px;
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1000;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  backdrop-filter: blur(8px);
}

.toast.hidden {
  opacity: 0;
  transform: translateY(-20px);
  pointer-events: none;
}

.toast-icon {
  font-size: 16px;
}

.toast-message {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Framer Export Button */
.btn-framer {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-framer:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.btn-framer:active {
  transform: translateY(0);
}

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 5, 8, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}

.modal-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

/* Modal Card */
.modal-card {
  width: 520px;
  max-width: 90%;
  background: var(--panel-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalScaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleUp {
  from {
    transform: scale(0.95) translateY(10px);
    opacity: 0;
  }
  to {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--panel-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 16px;
  cursor: pointer;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

/* Tabs */
.modal-tabs {
  display: flex;
  border-bottom: 1px solid var(--panel-border);
  margin-bottom: 20px;
  gap: 16px;
}

.modal-tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 10px 4px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  transition: var(--transition-smooth);
}

.modal-tab:hover {
  color: var(--text-primary);
}

.modal-tab.active {
  color: var(--text-primary);
}

.modal-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
}

/* Tab panes */
.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.tab-description {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
}

/* Code box */
.code-box-wrapper {
  position: relative;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}

.code-box-wrapper pre {
  margin: 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #e4e4e7;
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.4;
  max-height: 150px;
}

.copy-code-btn {
  margin-top: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-smooth);
}

.copy-code-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Action wrapper */
.action-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.modal-action-btn {
  background: #ffffff;
  color: #000000;
  border: none;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15);
}

.modal-action-btn:hover {
  transform: translateY(-1px);
  background: #f4f4f5;
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.22);
}

.modal-action-btn:active {
  transform: translateY(0);
}

.generation-status {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* Tip box */
.tip-box {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  width: 100%;
}

.tip-box i {
  margin-top: 2px;
  color: var(--text-primary);
  flex-shrink: 0;
}

.tip-box.warning-box {
  background: rgba(239, 68, 68, 0.03);
  border: 1px solid rgba(239, 68, 68, 0.15);
}

.tip-box.warning-box i {
  color: #ef4444;
}

/* Embedded Mode (Hides all UI control panels) */
body.embedded .sidebar,
body.embedded #sidebar-expand-tab,
body.embedded #btn-toggle-sidebar {
  display: none !important;
}