/* PlayShot Studio Stylesheet */

/* ── README 分析區 ─────────────────────────────────────────────── */
.md-upload-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.md-file-name {
  font-size: 0.8rem;
  color: var(--text-secondary);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-accent {
  background: linear-gradient(135deg, #F43F5E, #F97316);
  color: #fff;
  border: none;
}

.btn-accent:hover:not(:disabled) {
  background: linear-gradient(135deg, #E11D48, #EA580C);
}

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

.mode-hint {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 6px;
  padding: 6px 10px;
  background: rgba(249, 115, 22, 0.08);
  border-left: 3px solid var(--primary);
  border-radius: 4px;
}

:root {
  /* Colors */
  --bg-app: #1a1d2e;
  --bg-panel: rgba(18, 20, 28, 0.7);
  --bg-panel-solid: #12141c;
  --bg-control: rgba(30, 32, 45, 0.6);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-active: rgba(249, 115, 22, 0.4);
  
  --primary: #F97316;
  --primary-hover: #EA580C;
  --primary-light: rgba(249, 115, 22, 0.15);
  
  --secondary: #10b981;
  --secondary-hover: #059669;
  
  --danger: #ef4444;
  --danger-hover: #dc2626;
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --panel-radius: 16px;
  --control-radius: 8px;
  
  --font-sans: 'Outfit', 'Inter', 'Noto Sans TC', sans-serif;
  
  /* Preview scale factor */
  --zoom-factor: 0.3;
}

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

body {
  font-family: var(--font-sans);
  background-color: #1a1d2e;
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  line-height: 1.5;
  background-image: 
    radial-gradient(at 0% 0%, rgba(249, 115, 22, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(236, 72, 153, 0.1) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
}

/* App Container */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header */
.app-header {
  height: 70px;
  background-color: var(--bg-panel-solid);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  z-index: 100;
}

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

.logo-icon {
  background: linear-gradient(135deg, var(--primary), #F43F5E);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.logo-area h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  background: linear-gradient(to right, #ffffff, #d1d5db);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-area p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Layout */
.main-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  height: calc(100vh - 70px);
}

/* Sidebar General */
.scrollable {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.scrollable::-webkit-scrollbar {
  width: 6px;
}

.scrollable::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

/* Control Panel (Left Sidebar) */
.control-panel {
  width: 380px;
  background-color: var(--bg-panel);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--border-color);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Translation Panel (Right Sidebar) */
.translation-panel {
  width: 320px;
  background-color: var(--bg-panel);
  backdrop-filter: blur(16px);
  border-left: 1px solid var(--border-color);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.panel-title {
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
}

.panel-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Central Preview Area */
.preview-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: rgba(5, 6, 10, 0.4);
  overflow: hidden;
}

.preview-toolbar {
  height: 56px;
  background-color: rgba(18, 20, 28, 0.4);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
}

/* Sections in Controls */
.section {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
}

.section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.section-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}

.section-title svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

/* Controls UI Components */
.control-group {
  margin-bottom: 16px;
}

.control-group:last-child {
  margin-bottom: 0;
}

.control-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.control-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.control-group.half {
  flex: 1;
  margin-bottom: 0;
}

.control-group.third {
  width: calc(33.33% - 8px);
  margin-bottom: 0;
}

/* Inputs */
input[type="text"],
input[type="number"],
select,
textarea {
  width: 100%;
  background-color: var(--bg-control);
  border: 1px solid var(--border-color);
  border-radius: var(--control-radius);
  color: var(--text-primary);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2);
}

textarea {
  resize: vertical;
  min-height: 70px;
  line-height: 1.4;
}

/* Checkbox */
.checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 0.85rem !important;
  color: var(--text-primary) !important;
  margin-top: 24px;
}

.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--control-radius);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #F43F5E);
  color: #fff;
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover), #E11D48);
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-control);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-full {
  width: 100%;
}

.mt-2 {
  margin-top: 8px;
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--panel-radius);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background-color: rgba(255, 255, 255, 0.01);
  position: relative;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-zone:hover {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.upload-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.upload-icon {
  width: 32px;
  height: 32px;
  color: var(--text-muted);
}

.upload-zone:hover .upload-icon {
  color: var(--primary);
  transform: translateY(-2px);
  transition: transform 0.2s ease;
}

.upload-prompt .primary-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.upload-prompt .secondary-text {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Upload Preview */
.upload-preview {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--panel-radius);
  overflow: hidden;
  background-color: #000;
}

.upload-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.btn-remove-img {
  position: absolute;
  top: 8px;
  right: 8px;
  background-color: rgba(239, 68, 68, 0.85);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-remove-img:hover {
  background-color: var(--danger);
  transform: scale(1.1);
}

.btn-remove-img svg {
  width: 14px;
  height: 14px;
}

/* Toggle Buttons */
.toggle-buttons {
  display: flex;
  gap: 8px;
}

.toggle-btn {
  flex: 1;
  background-color: var(--bg-control);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--control-radius);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s;
}

.toggle-btn svg {
  width: 14px;
  height: 14px;
}

.toggle-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.05);
}

.toggle-btn.active {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 8px rgba(249, 115, 22, 0.2);
}

/* Radio Tabs */
.radio-tabs {
  display: flex;
  background-color: var(--bg-control);
  border: 1px solid var(--border-color);
  padding: 2px;
  border-radius: var(--control-radius);
}

.radio-tab {
  flex: 1;
  text-align: center;
  padding: 6px 12px;
  font-size: 0.8rem;
  cursor: pointer;
  border-radius: calc(var(--control-radius) - 2px);
  color: var(--text-secondary);
  transition: all 0.2s ease;
  user-select: none;
  font-weight: 500;
}

.radio-tab input[type="radio"] {
  display: none;
}

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

.radio-tab.active {
  background-color: var(--primary);
  color: #fff;
  font-weight: 600;
}

/* Color Picker Wrapper */
.color-picker-wrapper {
  display: flex;
  align-items: center;
  background-color: var(--bg-control);
  border: 1px solid var(--border-color);
  border-radius: var(--control-radius);
  padding: 6px 10px;
  gap: 8px;
}

.color-picker-wrapper span {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

input[type="color"] {
  -webkit-appearance: none;
  border: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  background: none;
}

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

input[type="color"]::-webkit-color-swatch {
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
}

.hex-input {
  border: none !important;
  background: none !important;
  padding: 0 !important;
  width: 65px;
  font-family: monospace;
  font-size: 0.8rem;
}

.hex-input:focus {
  box-shadow: none !important;
}

.color-picker-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.color-picker-row .color-picker-wrapper {
  flex: 1;
}

.gradient-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.preset-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: transform 0.2s;
}

.preset-btn:hover {
  transform: scale(1.2);
}

/* Range input style */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-control);
  border-radius: 3px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
  transition: background 0.15s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  background: #F43F5E;
}

/* Preview Toolbar components */
.language-selector {
  display: flex;
  gap: 4px;
}

.lang-tab {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 6px 12px;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--control-radius);
  cursor: pointer;
  transition: all 0.2s;
}

.lang-tab:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.04);
}

.lang-tab.active {
  color: #fff;
  background-color: var(--primary-light);
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.zoom-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.zoom-val {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: monospace;
  width: 40px;
  text-align: right;
}

.zoom-btn {
  background-color: var(--bg-control);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.zoom-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.zoom-btn svg {
  width: 14px;
  height: 14px;
}

/* Canvas Grid Area */
.canvas-grid {
  flex: 1;
  overflow: auto;
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 48px;
}

.preview-card {
  background-color: var(--bg-panel-solid);
  border: 1px solid var(--border-color);
  border-radius: var(--panel-radius);
  padding: 16px;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: width 0.1s ease-out;
}

/* Portrait (Default Widths) */
.preview-card[data-device="phone"] {
  width: calc(1080px * var(--zoom-factor) + 32px);
}
.preview-card[data-device="tablet7"] {
  width: calc(1200px * var(--zoom-factor) + 32px);
}
.preview-card[data-device="tablet10"] {
  width: calc(1600px * var(--zoom-factor) + 32px);
}
.preview-card[data-device="feature"] {
  width: calc(1024px * var(--zoom-factor) + 32px);
}

/* Landscape Widths */
.canvas-grid.landscape .preview-card[data-device="phone"] {
  width: calc(2280px * var(--zoom-factor) + 32px);
}
.canvas-grid.landscape .preview-card[data-device="tablet7"] {
  width: calc(1920px * var(--zoom-factor) + 32px);
}
.canvas-grid.landscape .preview-card[data-device="tablet10"] {
  width: calc(2560px * var(--zoom-factor) + 32px);
}
.canvas-grid.landscape .preview-card[data-device="feature"] {
  width: calc(1024px * var(--zoom-factor) + 32px);
}

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

.device-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.device-name svg {
  width: 14px;
  height: 14px;
  color: var(--primary);
}

.device-resolution {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: monospace;
}

.btn-export-single {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-export-single:hover {
  color: var(--primary);
  background-color: rgba(255, 255, 255, 0.05);
}

.btn-export-single svg {
  width: 16px;
  height: 16px;
}

.canvas-wrapper {
  overflow: hidden;
  border-radius: 8px;
  background-color: #000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  width: 100%;
}

canvas {
  display: block;
  width: 100%;
  height: auto;
}

/* Right Translation Panel components */
.trans-group {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.trans-group:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.trans-lang-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.trans-lang-label .flag {
  font-size: 1.1rem;
}

.trans-input {
  background-color: rgba(0, 0, 0, 0.2);
  min-height: 60px;
  font-size: 0.8rem;
}

.trans-input[readonly] {
  color: var(--text-secondary);
  background-color: rgba(0, 0, 0, 0.3);
  border-style: dashed;
}

/* Loader */
.loader {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  color: var(--secondary);
  font-weight: normal;
  margin-left: auto;
}

.spinner {
  width: 10px;
  height: 10px;
  border: 2px solid rgba(16, 185, 129, 0.2);
  border-top-color: var(--secondary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--bg-panel-solid);
  border: 1px solid var(--border-color-active);
  border-radius: 10px;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

.toast.success svg {
  color: var(--secondary);
}

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

.toast span {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* ── Screenshot Strip ── */
.screenshot-strip {
  margin-top: 12px;
}
.strip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.strip-counter {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: monospace;
}
.strip-nav {
  display: flex;
  gap: 4px;
}
.nav-btn {
  background: var(--bg-control);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}
.nav-btn svg { width: 14px; height: 14px; }
.nav-btn:hover:not(:disabled) {
  color: var(--text-primary);
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
}
.nav-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.nav-btn.danger:hover:not(:disabled) {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}
.strip-thumbnails {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.strip-thumb {
  position: relative;
  width: 54px;
  height: 54px;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: all 0.2s;
  background: #000;
  flex-shrink: 0;
}
.strip-thumb:hover { border-color: rgba(249,115,22,0.5); }
.strip-thumb.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(249,115,22,0.3);
}
.strip-thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-num {
  position: absolute;
  bottom: 2px;
  right: 4px;
  font-size: 0.65rem;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.9);
  font-weight: 700;
}
.upload-prompt-add {
  min-height: 56px !important;
}

/* ── Drag hint ── */
.drag-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  padding: 4px 0 0;
  margin: 0;
  display: block;
}
.drag-hint svg { color: var(--text-muted); }

/* ── Font note ── */
.font-note {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: normal;
}

/* ── Reset button ── */
.btn-ghost {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 6px 10px;
  font-size: 0.8rem;
  margin-left: 8px;
}
.btn-ghost:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.05);
}
.btn-ghost svg { width: 14px; height: 14px; }

/* ── AI Loading Overlay ── */
.canvas-loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 17, 26, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.canvas-loading-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.canvas-loading-spinner {
  width: 36px;
  height: 36px;
  border: 4px solid rgba(249, 115, 22, 0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
.canvas-loading-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ── Ad slot：空的時候完全不佔版面，AdSense 設定好才會撐開 ──────────── */
.ad-slot:empty { display: none; }
.ad-slot {
  flex-shrink: 0;
  padding: 10px 20px;
  border-top: 1px solid #e5e7eb;
  background: #fafafa;
}

/* ── Panel Tabs ─────────────────────────────────────────────────── */
.panel-tabs {
  display: flex;
  border-bottom: 1px solid #e5e7eb;
  background: #f8f9fb;
  flex-shrink: 0;
}

.panel-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 10px 4px;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: #adb5bd;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
  letter-spacing: 0.01em;
}

.panel-tab:hover { color: #F97316; background: rgba(249,115,22,0.04); }
.panel-tab.active { color: #F97316; border-bottom-color: #F97316; background: #fff; }

/* ── Tab Content ─────────────────────────────────────────────────── */
.tab-content {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  scrollbar-width: thin;
  scrollbar-color: #e5e7eb transparent;
}
.tab-content::-webkit-scrollbar { width: 4px; }
.tab-content::-webkit-scrollbar-thumb { background: #e5e7eb; border-radius: 2px; }
.tab-content.active { display: block; }

/* ── Panel Section ───────────────────────────────────────────────── */
.panel-section {
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid #f0f0f3;
}
.panel-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.section-label {
  font-size: 0.67rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #adb5bd;
  margin-bottom: 12px;
}

/* ── Light Panel Overrides ───────────────────────────────────────── */
.control-panel {
  width: 360px !important;
  background: #ffffff !important;
  backdrop-filter: none !important;
  border-right: 1px solid #e5e7eb !important;
  padding: 0 !important;
  gap: 0 !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
}

.control-panel label {
  color: #374151;
}

.control-panel input[type="text"],
.control-panel input[type="number"],
.control-panel input[type="password"],
.control-panel select,
.control-panel textarea {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  color: #111827;
}

.control-panel input[type="text"]:focus,
.control-panel input[type="number"]:focus,
.control-panel input[type="password"]:focus,
.control-panel select:focus,
.control-panel textarea:focus {
  border-color: #F97316;
  box-shadow: 0 0 0 3px rgba(249,115,22,0.1);
}

.control-panel .toggle-btn {
  background: #f9fafb;
  border-color: #e5e7eb;
  color: #374151;
}
.control-panel .toggle-btn:hover { background: #f3f4f6; color: #111827; }
.control-panel .toggle-btn.active {
  background: rgba(249,115,22,0.08);
  border-color: #F97316;
  color: #F97316;
  box-shadow: none;
}

.control-panel .radio-tabs {
  background: #f3f4f6;
  border-color: #e5e7eb;
}
.control-panel .radio-tab { color: #6b7280; }
.control-panel .radio-tab:hover { color: #374151; }
.control-panel .radio-tab.active { background: #F97316; color: #fff; }

.control-panel .btn-secondary {
  background: #f9fafb;
  color: #374151;
  border: 1px solid #e5e7eb;
}
.control-panel .btn-secondary:hover { background: #f3f4f6; border-color: #d1d5db; }

.control-panel .upload-zone {
  border-color: #e5e7eb;
  background: #fafafa;
}
.control-panel .upload-zone:hover { border-color: #F97316; background: rgba(249,115,22,0.03); }
.control-panel .upload-prompt .primary-text { color: #374151; }
.control-panel .upload-prompt .secondary-text { color: #9ca3af; }
.control-panel .upload-icon { color: #d1d5db; }
.control-panel .upload-zone:hover .upload-icon { color: #F97316; }

.control-panel .nav-btn {
  background: #f9fafb;
  border-color: #e5e7eb;
  color: #6b7280;
}
.control-panel .nav-btn:hover:not(:disabled) {
  background: #f3f4f6;
  color: #374151;
  border-color: #d1d5db;
}

.control-panel .color-picker-wrapper {
  background: #f9fafb;
  border-color: #e5e7eb;
}
.control-panel .color-picker-wrapper span { color: #6b7280; }
.control-panel .hex-input { color: #374151; }
.control-panel input[type="color"]::-webkit-color-swatch { border-color: #d1d5db; }

.control-panel input[type="range"] {
  background: #e5e7eb;
}

.control-panel .mode-hint {
  background: rgba(249,115,22,0.06);
  color: #6b7280;
  border-left-color: #F97316;
}

.control-panel .trans-input {
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  color: #374151;
  min-height: 52px;
}
.control-panel .trans-input[readonly] {
  background: #f3f4f6;
  color: #9ca3af;
  border-style: solid;
}
.control-panel .trans-group { border-bottom-color: #f0f0f3; }
.control-panel .trans-lang-label { color: #374151; }
.control-panel .strip-thumb { border-color: #e5e7eb; background: #f3f4f6; }
.control-panel .strip-counter { color: #9ca3af; }

.color-full {
  width: 100%;
  height: 36px;
  border-radius: var(--control-radius);
  border: 1px solid #e5e7eb;
  cursor: pointer;
  padding: 2px;
}

/* ── Preview area dark ───────────────────────────────────────────── */
.preview-area { background-color: #1a1d2e; }
.preview-toolbar {
  background-color: #22253a;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* ── AI Prompt Helper styles ─────────────────────────────────────── */
.control-panel .prompt-helper-panel {
  margin-top: 10px;
  padding: 12px;
  background: rgba(249, 115, 22, 0.04);
  border: 1px dashed rgba(249, 115, 22, 0.25);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.control-panel .helper-import-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.control-panel .helper-section-title {
  font-size: 0.75rem;
  color: #EA580C;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.control-panel .helper-file-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  margin-bottom: 4px;
}

.control-panel .helper-file-status .file-name {
  font-size: 0.72rem;
  color: #059669;
  font-weight: 600;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.control-panel .helper-file-status button {
  background: none;
  border: none;
  color: #ef4444;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
}

.control-panel .helper-file-status button:hover {
  color: #dc2626;
}

.control-panel .helper-textarea {
  width: 100%;
  font-size: 0.75rem !important;
  background: #ffffff !important;
  border: 1px solid #e5e7eb !important;
  border-radius: 6px !important;
  color: #111827 !important;
  padding: 8px !important;
  resize: vertical;
  font-family: inherit;
  box-sizing: border-box;
  min-height: 64px !important;
  line-height: 1.4 !important;
}

.control-panel .helper-textarea:focus {
  border-color: #F97316 !important;
  box-shadow: 0 0 0 3px rgba(249,115,22,0.1) !important;
  outline: none;
}

.control-panel .helper-suggestion-item {
  padding: 10px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}

.control-panel .helper-suggestion-item:hover {
  background: rgba(249, 115, 22, 0.04);
  border-color: rgba(249, 115, 22, 0.4);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(249, 115, 22, 0.08);
}

.control-panel .helper-suggestion-header {
  font-size: 0.72rem;
  font-weight: 700;
  color: #EA580C;
  display: flex;
  align-items: center;
  gap: 4px;
}

.control-panel .helper-suggestion-trans {
  font-size: 0.7rem;
  color: #4b5563;
  line-height: 1.35;
}

.control-panel .helper-suggestion-desc {
  font-size: 0.68rem;
  color: #374151;
  font-family: monospace;
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  padding: 6px 8px;
  border-radius: 4px;
  margin-top: 4px;
  word-break: break-word;
  white-space: pre-wrap;
  line-height: 1.3;
}