:root {
  --bg-primary: #0a0b0d;
  --bg-secondary: #12141c;
  --bg-panel: rgba(22, 26, 38, 0.7);
  --bg-input: #1a1e2e;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #5f5dec;
  --text-main: #f0f2f5;
  --text-muted: #8d94a5;
  --accent: #5f5dec;
  --accent-glow: rgba(95, 93, 236, 0.4);
  --success: #10b981;
  --danger: #ef4444;
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --transition-speed: 0.2s;
  --panel-radius: 16px;
}

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

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(95, 93, 236, 0.15) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
  color: var(--text-main);
  font-family: var(--font-body);
  height: 100vh;
  overflow: hidden;
}

/* App Layout */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding: 16px;
  gap: 16px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  padding: 16px 24px;
  border-radius: var(--panel-radius);
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
}

.logo-icon {
  color: var(--accent);
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.logo-text h1 {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.logo-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.api-key-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.api-key-container label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.input-wrapper {
  display: flex;
  gap: 8px;
}

input[type="password"],
input[type="text"],
input[type="number"],
textarea,
select {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  transition: all var(--transition-speed) ease;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(95, 93, 236, 0.2);
}

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

button:hover {
  background: #4d4ae0;
  box-shadow: 0 4px 12px var(--accent-glow);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

/* Workspace */
.app-workspace {
  display: flex;
  flex: 1;
  gap: 16px;
  min-height: 0; /* Important for flex child scrolling */
}

/* Panels styling */
.panel {
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--panel-radius);
  display: flex;
  flex-direction: column;
  min-height: 0; /* Essential for child scrolling */
}

.panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-header h2 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 600;
}

/* Left Panel - Chat */
.panel-left {
  flex: 300px 0 0;
}

.chat-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 16px;
  gap: 12px;
  min-height: 0;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-right: 4px;
}

.message {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.4;
  max-width: 90%;
}

.system-message {
  background: rgba(255, 255, 255, 0.05);
  border-left: 3px solid var(--accent);
  align-self: flex-start;
}

.user-message {
  background: var(--accent);
  color: white;
  align-self: flex-end;
}

.ai-message {
  background: rgba(95, 93, 236, 0.1);
  border-left: 3px solid var(--accent);
  align-self: flex-start;
}

.chat-input-area {
  display: flex;
  gap: 8px;
}

#chat-input {
  flex: 1;
  resize: none;
  height: 48px;
  padding: 8px 12px;
  font-size: 0.85rem;
}

#send-btn {
  width: 48px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ai-quick-prompts {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 16px 16px;
}

.quick-prompt-btn {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  font-size: 0.8rem;
  padding: 6px 12px;
  text-align: left;
  border-radius: 6px;
}

.quick-prompt-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  box-shadow: none;
  transform: none;
}

.status-indicator {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  font-weight: 600;
}

.status-indicator.loading {
  background: rgba(95, 93, 236, 0.15);
  color: var(--accent);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}

/* Upload Section styling */
.upload-section {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.upload-box {
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: all var(--transition-speed);
  text-align: center;
}

.upload-box:hover {
  border-color: var(--accent);
  color: var(--text-main);
  background: rgba(95, 93, 236, 0.03);
}

.upload-box svg {
  color: var(--accent);
}

.upload-preview {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  height: 80px;
  border: 1px solid var(--border-color);
  background: rgba(0,0,0,0.2);
}

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

#clear-upload-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  padding: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  line-height: 1;
  border: 1px solid rgba(255,255,255,0.2);
  cursor: pointer;
}

#clear-upload-btn:hover {
  background: var(--danger);
  color: white;
  box-shadow: none;
  transform: none;
}

/* Center Panel - Editor Canvas */
.panel-center {
  flex: 1;
}

.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-color);
}

.editor-tabs {
  display: flex;
  gap: 8px;
}

.tab-btn {
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: 6px;
}

.tab-btn.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.tab-btn:hover {
  box-shadow: none;
  transform: none;
  background: rgba(255, 255, 255, 0.05);
}

.action-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.8rem;
  padding: 6px 12px;
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  box-shadow: none;
  transform: none;
}

.canvas-container-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: auto;
  background: #0f111a;
}

.canvas-container {
  position: relative;
  width: 720px; /* Scaled down 16:9 ratio (1280x720 scaled, or 1920x1080 scaled) */
  height: 405px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border-radius: 4px;
  overflow: hidden;
}

.canvas-grid {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: 20px 20px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  z-index: 1;
  pointer-events: none;
}

.canvas-viewport {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
}

/* Layer in Canvas */
.canvas-layer {
  position: absolute;
  user-select: none;
  cursor: move;
  border: 1px solid transparent;
  transform-origin: center center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.canvas-layer.active {
  border: 1px dashed var(--accent);
  box-shadow: 0 0 10px rgba(95, 93, 236, 0.3);
}

.canvas-layer img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  pointer-events: none;
}

.canvas-layer-placeholder {
  width: 100%;
  height: 100%;
  background: rgba(95, 93, 236, 0.1);
  border: 1px solid rgba(95, 93, 236, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 8px;
  text-align: center;
}

.canvas-layer-placeholder span {
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

/* Resize Handle */
.resize-handle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border: 1px solid white;
  border-radius: 50%;
  bottom: -5px;
  right: -5px;
  cursor: se-resize;
  z-index: 10;
  display: none;
}

.canvas-layer.active .resize-handle {
  display: block;
}

.editor-footer {
  padding: 10px 20px;
  border-top: 1px solid var(--border-color);
}

.coordinate-legend {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Right Panel - Properties */
.panel-right {
  flex: 320px 0 0;
  overflow-y: auto;
}

.properties-section {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.section-header h3 {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.icon-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  width: 24px;
  height: 24px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 0.9rem;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: none;
  box-shadow: none;
}

/* Layers List */
.layers-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 180px;
  overflow-y: auto;
}

.layer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.layer-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.layer-item.active {
  background: rgba(95, 93, 236, 0.1);
  border-color: var(--accent);
}

.layer-item-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
}

.layer-visibility-btn {
  background: transparent;
  padding: 0;
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

.layer-visibility-btn:hover {
  background: transparent;
  color: var(--text-main);
  box-shadow: none;
}

.layer-item.hidden {
  opacity: 0.5;
}

.layer-item-controls {
  display: flex;
  gap: 4px;
}

.layer-order-btn {
  background: transparent;
  padding: 2px;
  color: var(--text-muted);
  border-radius: 3px;
}

.layer-order-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  box-shadow: none;
  transform: none;
}

/* Form Styling */
.properties-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 10px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.form-row {
  display: flex;
  gap: 8px;
}

.form-row .form-group {
  flex: 1;
}

.cropping-inputs {
  display: flex;
  gap: 4px;
}

.cropping-inputs input {
  flex: 1;
  text-align: center;
  padding: 6px 4px;
  font-size: 0.8rem;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}

.form-checkbox label {
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
}

.form-checkbox input {
  cursor: pointer;
}

.layer-actions {
  margin-top: 8px;
}

.delete-btn {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
  width: 100%;
}

.delete-btn:hover {
  background: var(--danger);
  color: white;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* Zoom Presets List */
.zoom-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.zoom-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
}

.zoom-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.zoom-item.active {
  border-color: var(--accent);
  background: rgba(95, 93, 236, 0.05);
}

.zoom-item-actions {
  display: flex;
  gap: 4px;
}

.zoom-item-btn {
  background: transparent;
  color: var(--text-muted);
  padding: 2px 6px;
  font-size: 0.75rem;
}

.zoom-item-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: none;
  transform: none;
}

/* Footer & XML Panel */
.app-footer {
  display: flex;
  gap: 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--panel-radius);
  padding: 16px 24px;
  align-items: center;
}

.xml-preview-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

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

.xml-header h3 {
  font-family: var(--font-title);
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

.xml-preview-container pre {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: 8px;
  max-height: 80px;
  overflow: auto;
  margin: 0;
}

.xml-preview-container code {
  font-family: monospace;
  font-size: 0.75rem;
  color: #a78bfa;
  white-space: pre-wrap;
}

.export-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.export-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-weight: 600;
  font-family: var(--font-title);
}

.export-vmix {
  background: var(--accent);
}

.export-deploy {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.export-deploy:hover {
  background: var(--success);
  color: white;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

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

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}