/* MingShi - Cute Design Studio UI */

/* LIGHT THEME (Default) */
:root {
  --bg-canvas: #F7F8FC;       
  --bg-panel: #FFFFFF;        
  --bg-topbar: #FFFFFF;       
  --bg-input: #F4F5F9;        
  --bg-hover: #EEF1F6;        
  --bg-grid: #E5E8EF;
  
  --text-primary: #1F2333;    
  --text-secondary: #6B7280;  
  --text-tertiary: #9CA3AF;   
  
  --border: #E5E8EF;          
  --accent: #7C6FF0; /* Soft Cute Purple */         
  --accent-hover: #6A5DE0;    
  --accent-light: rgba(124, 111, 240, 0.1);
  
  --danger: #EF4F6B;
  
  --shadow-sm: 0 2px 8px rgba(31, 35, 51, 0.04);
  --shadow-md: 0 8px 24px rgba(31, 35, 51, 0.08);
  --shadow-lg: 0 16px 48px rgba(31, 35, 51, 0.12);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

/* DARK THEME */
[data-theme="dark"] {
  --bg-canvas: #16161A;       
  --bg-panel: #1E1E24;        
  --bg-topbar: #1E1E24;       
  --bg-input: #2A2A33;        
  --bg-hover: #33333E;        
  --bg-grid: #2A2A33;
  
  --text-primary: #F4F5F9;    
  --text-secondary: #B4B8C5;  
  --text-tertiary: #6B7280;   
  
  --border: #2A2A33;          
  --accent: #9D8DFF;          
  --accent-hover: #B4A6FF;    
  --accent-light: rgba(157, 141, 255, 0.15);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.4);
}

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

html, body { 
  height: 100%; 
  overflow: hidden; 
  font-family: 'Inter', sans-serif; 
  font-size: 13px; 
  color: var(--text-primary); 
  background: var(--bg-canvas);
  user-select: none;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s, color 0.3s;
}

#app { display: flex; flex-direction: column; height: 100vh; }

/* CUTE LOADING SCREEN */
.splash-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F6F7FB 0%, #ECE9FF 100%);
  transition: opacity 0.6s ease;
}
[data-theme="dark"] .splash-screen {
  background: linear-gradient(135deg, #16161A 0%, #1E1B2E 100%);
}
.splash-mascot {
  width: 80px;
  height: 80px;
  background: var(--accent);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 32px;
  margin-bottom: 24px;
  box-shadow: 0 12px 32px rgba(124, 111, 240, 0.4);
  animation: bounce-rotate 2s infinite ease-in-out;
}
@keyframes bounce-rotate {
  0%, 100% { transform: translateY(0) rotate(0deg); border-radius: 24px; }
  50% { transform: translateY(-10px) rotate(8deg); border-radius: 32px; }
}
.splash-logo {
  font-family: 'Quicksand', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -1px;
}
.splash-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
  margin-bottom: 24px;
}
.splash-loader {
  width: 140px;
  height: 6px;
  background: rgba(124, 111, 240, 0.2);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.splash-loader::after {
  content: '';
  position: absolute;
  width: 50px;
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  animation: slide 1.4s infinite ease-in-out;
}
@keyframes slide {
  0% { left: -50px; }
  100% { left: 140px; }
}

/* TOP BAR */
.topbar {
  height: 56px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
  z-index: 10;
  transition: background 0.3s, border-color 0.3s;
}
.topbar-left, .topbar-center, .topbar-right { display: flex; align-items: center; gap: 8px; }
.tb-divider { width: 1px; height: 24px; background: var(--border); margin: 0 4px; }

.menu-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
}
.menu-btn:hover { background: var(--bg-hover); color: var(--text-primary); transform: scale(1.05); }

.file-info { display: flex; flex-direction: column; line-height: 1.3; margin-left: 4px; }
.file-name { color: var(--text-primary); font-weight: 600; font-size: 13px; }
.save-status { color: var(--text-tertiary); font-size: 11px; }

.tb-tool {
  width: 36px; height: 36px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
}
.tb-tool:hover { background: var(--bg-hover); color: var(--text-primary); transform: translateY(-1px); }
.tb-tool.active { background: var(--accent); color: white; box-shadow: 0 4px 12px var(--accent-light); }

.action-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
  box-shadow: 0 4px 12px var(--accent-light);
}
.action-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
.action-btn.ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border); box-shadow: none; }
.action-btn.ghost:hover { color: var(--text-primary); border-color: var(--text-tertiary); background: var(--bg-hover); }
.action-btn.small { padding: 4px 8px; font-size: 11px; }

/* WORKSPACE */
.workspace { flex: 1; display: flex; overflow: hidden; }

/* PANELS */
.left-panel, .right-panel {
  width: 260px;
  background: var(--bg-panel);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: background 0.3s, border-color 0.3s;
}
.left-panel { border-right: 1px solid var(--border); display: flex; flex-direction: column; }
.right-panel { border-left: 1px solid var(--border); overflow-y: auto; }
.right-panel::-webkit-scrollbar { width: 8px; }
.right-panel::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 4px; }

.pages-section { border-bottom: 1px solid var(--border); flex-shrink: 0; }
.layers-section { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.panel-header {
  padding: 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-panel);
}

#add-page {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: color 0.2s;
}
#add-page:hover { color: var(--accent); }

.layer-actions { display: flex; gap: 4px; }
.layer-actions button {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 4px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
}
.layer-actions button:hover { background: var(--bg-hover); color: var(--text-primary); }

/* PAGES & LAYERS */
.pages-list, .layers-list { padding: 8px; overflow-y: auto; }
.pages-list { max-height: 120px; }
.layers-list { flex: 1; }

.page-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.page-item:hover { background: var(--bg-hover); }
.page-item.active { background: var(--accent-light); color: var(--accent); font-weight: 600; }
.page-item i { font-size: 11px; }
.page-item span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.layer-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s;
}
.layer-item:hover { background: var(--bg-hover); }
.layer-item.selected { background: var(--accent-light); color: var(--accent); font-weight: 600; }
.layer-item.hidden { opacity: 0.4; }
.layer-item i.icon-type { font-size: 11px; width: 14px; text-align: center; }
.layer-item input.layer-name {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 12px;
  width: 100%;
  display: none;
  font-weight: 600;
}
.layer-item input.layer-name:focus { background: var(--bg-input); padding: 4px 6px; border-radius: 4px; }
.layer-item span.name-text { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.layer-item i.action-icon { font-size: 11px; opacity: 0; transition: opacity 0.2s; }
.layer-item:hover i.action-icon { opacity: 0.6; }
.layer-item i.action-icon:hover { opacity: 1; color: var(--accent); }

/* PROPERTIES */
.prop-section { padding: 16px; border-bottom: 1px solid var(--border); }
.prop-title { font-size: 11px; font-weight: 600; color: var(--text-tertiary); text-transform: uppercase; margin-bottom: 12px; letter-spacing: 0.5px; }

.fill-header { margin-bottom: 8px; }
.fill-header select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px;
  border-radius: var(--radius-md);
  outline: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
}

.align-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.flip-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.text-align-group { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
.align-btn {
  background: var(--bg-input);
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 8px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s;
}
.align-btn:hover { background: var(--bg-hover); color: var(--text-primary); transform: translateY(-1px); }
.align-btn:disabled { opacity: 0.3; cursor: not-allowed; transform: none; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.input-group { display: flex; align-items: center; background: var(--bg-input); border-radius: var(--radius-md); padding: 0 8px; margin-bottom: 8px; border: 1px solid transparent; transition: border-color 0.2s; }
.input-group:focus-within { border-color: var(--accent); }
.input-group.mt-2 { margin-top: 8px; }
.input-group label { color: var(--text-tertiary); font-size: 11px; font-weight: 600; margin-right: 6px; width: 14px; text-align: center; }
.input-group input, .input-group select { background: transparent; border: none; outline: none; width: 100%; padding: 6px 0; color: var(--text-primary); font-family: 'Inter', sans-serif; font-size: 12px; }
.input-group select { appearance: none; cursor: pointer; }
.input-group input:disabled, .input-group select:disabled { color: var(--text-tertiary); cursor: not-allowed; }
.input-group input::-webkit-outer-spin-button, .input-group input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.color-row { display: flex; align-items: center; gap: 10px; background: var(--bg-input); border-radius: var(--radius-md); padding: 6px; position: relative; border: 1px solid transparent; transition: border-color 0.2s; }
.color-row:focus-within { border-color: var(--accent); }
.color-swatch { width: 24px; height: 24px; border-radius: 6px; border: 1px solid rgba(0,0,0,0.1); pointer-events: none; }
.color-native { width: 24px; height: 24px; opacity: 0; cursor: pointer; position: absolute; left: 6px; top: 6px; }
.hex-input { background: transparent; border: none; outline: none; width: 100%; color: var(--text-primary); font-family: 'Inter', sans-serif; font-size: 12px; padding: 6px 0; }
.hex-input:disabled { color: var(--text-tertiary); }

/* EFFECTS */
.effect-item { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); padding: 4px 0; }
.effect-item span { flex: 1; }

/* CANVAS */
.canvas-area { flex: 1; position: relative; overflow: hidden; background: var(--bg-canvas); transition: background 0.3s; }
#canvas { display: block; width: 100%; height: 100%; cursor: default; }
#canvas.drawing { cursor: crosshair; }
#canvas.hand { cursor: grab; }
#canvas.hand:active { cursor: grabbing; }

.empty-state {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--text-tertiary);
  pointer-events: none;
  transition: opacity 0.3s;
}
.empty-state.hidden { opacity: 0; }
.empty-state i { font-size: 48px; margin-bottom: 16px; color: var(--accent); opacity: 0.5; }
.empty-state h2 { font-family: 'Quicksand', sans-serif; font-size: 20px; margin-bottom: 8px; }
.empty-state p { font-size: 13px; }

.text-editor {
  position: absolute;
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--accent);
  outline: none;
  padding: 2px 6px;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  display: none;
  z-index: 100;
  white-space: nowrap;
  user-select: text; 
  cursor: text;
  box-shadow: 0 4px 16px var(--accent-light);
}

.cursor-coords {
  position: absolute;
  bottom: 16px; left: 16px;
  background: var(--bg-panel);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: 11px;
  pointer-events: none;
  box-shadow: var(--shadow-sm);
  font-family: 'JetBrains Mono', monospace;
}

.zoom-controls {
  position: absolute;
  bottom: 16px; right: 16px;
  background: var(--bg-panel);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.zoom-controls button {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 8px 12px;
  cursor: pointer;
  font-size: 11px;
  transition: all 0.2s;
}
.zoom-controls button:hover { background: var(--bg-hover); color: var(--text-primary); }

/* CONTEXT MENU */
.context-menu {
  position: fixed;
  display: none;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  min-width: 200px;
  padding: 8px;
}
.context-menu.active { display: block; animation: pop 0.1s ease-out; }
@keyframes pop { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.context-menu button {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
  text-align: left;
  transition: background 0.2s;
}
.context-menu button:hover { background: var(--bg-hover); }
.context-menu button.danger { color: var(--danger); }
.context-menu button.danger:hover { background: rgba(239, 79, 107, 0.1); }
.ctx-divider { height: 1px; background: var(--border); margin: 6px 0; }

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(31, 35, 51, 0.4);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal-overlay.active { display: flex; }

.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 450px;
  max-height: 500px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: slide-up 0.3s ease-out;
}
@keyframes slide-up {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.cute-modal { width: 600px; }

.modal-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h2 { font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.modal-close { background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 18px; padding: 4px; border-radius: 4px; }
.modal-close:hover { color: var(--text-primary); background: var(--bg-hover); }

.modal-body { padding: 20px; overflow-y: auto; }
.save-new { display: flex; gap: 10px; margin-bottom: 16px; }
.save-new input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 10px;
  border-radius: var(--radius-md);
  outline: none;
  font-family: inherit;
  font-size: 13px;
}
.save-new input:focus { border-color: var(--accent); }
.save-new button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s;
}
.save-new button:hover { background: var(--accent-hover); }

.project-list { display: flex; flex-direction: column; gap: 6px; }
.project-item {
  background: var(--bg-input);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
}
.project-item:hover { border-color: var(--accent); transform: translateY(-1px); }
.project-item .p-info { display: flex; flex-direction: column; }
.project-item .p-name { font-weight: 600; color: var(--text-primary); font-size: 13px; }
.project-item .p-date { font-size: 11px; color: var(--text-tertiary); }
.project-item .p-actions { display: flex; gap: 8px; }
.project-item .p-actions button {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  font-size: 12px;
}
.project-item .p-actions button:hover { color: var(--text-primary); }
.project-item .p-actions .del:hover { color: var(--danger); }

/* HELP MODAL */
.help-body { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.help-col h3 { font-size: 12px; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px; }
.shortcut-item { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 12px; color: var(--text-secondary); }
kbd {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-primary);
  box-shadow: 0 1px 0 var(--border);
}

/* TOAST */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--text-primary);
  color: var(--bg-panel);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  font-weight: 500;
  z-index: 2000;
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* DESKTOP NOTICE MODAL */
.device-modal {
  width: 440px;
  text-align: center;
  padding: 32px 28px;
  align-items: center;
  justify-content: center;
}

.device-mascot {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, #FF6B81 0%, #7C6FF0 100%);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 30px;
  margin: 0 auto 20px;
  box-shadow: 0 12px 32px rgba(124, 111, 240, 0.35);
  animation: bounce-rotate 2.4s infinite ease-in-out;
}

.device-modal h2 {
  font-family: 'Quicksand', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.device-sub {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}

.device-tips {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
  background: var(--bg-input);
  padding: 14px 18px;
  border-radius: var(--radius-md);
}

.device-tip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-secondary);
  text-align: left;
}

.device-tip i {
  width: 18px;
  color: var(--accent);
  text-align: center;
}

.device-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
}

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

@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-3deg); }
  75% { transform: rotate(3deg); }
}

.device-modal.warn .device-mascot {
  background: linear-gradient(135deg, #FFB347 0%, #FF6B81 100%);
  animation: wiggle 1.5s ease-in-out infinite;
}

.device-mini-banner {
  position: fixed;
  bottom: 70px;
  left: 50%;
  transform: translateX(-50%) translateY(120px);
  background: var(--bg-panel);
  border: 1px solid var(--accent);
  color: var(--text-primary);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  z-index: 1500;
  display: flex;
  align-items: center;
  gap: 8px;
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
  pointer-events: none;
}

.device-mini-banner.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.device-mini-banner i {
  color: var(--accent);
}

.device-mini-banner button {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 12px;
  padding: 0 4px;
}

.device-mini-banner button:hover {
  color: var(--text-primary);
}