/* ===== DESIGNER APP STYLES ===== */
:root {
  --bg-primary: #FFFDF7;
  --bg-secondary: #F7F2EA;
  --bg-tertiary: #EDE7DB;
  --bg-card: #FEFCF5;
  --accent: #C8621A;
  --accent-light: #E8842E;
  --accent-muted: #F5C48A;
  --accent-glow: rgba(200,98,26,0.12);
  --gold: #C9962A;
  --text-primary: #2A2318;
  --text-secondary: #6B5E52;
  --text-muted: #9E8F82;
  --border: #DDD4C4;
  --border-light: #EDE7DB;
  --shadow-sm: 0 1px 3px rgba(42,35,24,0.08);
  --shadow-md: 0 4px 16px rgba(42,35,24,0.10);
  --shadow-lg: 0 12px 40px rgba(42,35,24,0.14);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --sidebar-w: 240px;
  --props-w: 280px;
  --toolbar-h: 52px;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ===== TOP TOOLBAR ===== */
#toolbar {
  height: var(--toolbar-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 8px;
  z-index: 50;
  flex-shrink: 0;
}

.toolbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  margin-right: 12px;
  padding-right: 16px;
  border-right: 1px solid var(--border-light);
}
.toolbar-logo-icon {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 13px;
}

.toolbar-sep {
  width: 1px;
  height: 24px;
  background: var(--border-light);
  margin: 0 6px;
}

.toolbar-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.toolbar-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}
.toolbar-btn.active, .toolbar-btn.tool-active {
  background: var(--accent-glow);
  color: var(--accent);
}
.toolbar-btn.danger:hover { background: rgba(220,50,50,0.1); color: #c53030; }

.toolbar-filename {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
#designTitle {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  outline: none;
  max-width: 240px;
  transition: background 0.15s;
}
#designTitle:hover { background: var(--bg-secondary); }
#designTitle:focus { background: var(--bg-secondary); box-shadow: 0 0 0 2px var(--accent-muted); }

.toolbar-mode-group {
  display: flex;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 2px;
}
.mode-btn {
  padding: 5px 12px;
  border-radius: 5px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 5px;
}
.mode-btn.active {
  background: var(--bg-card);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

/* ===== MAIN LAYOUT ===== */
#app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ===== LEFT SIDEBAR ===== */
#sidebar {
  width: var(--sidebar-w);
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-search {
  padding: 12px;
  border-bottom: 1px solid var(--border-light);
}
.sidebar-search-input {
  width: 100%;
  padding: 7px 12px 7px 32px;
  background: var(--bg-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s;
  position: relative;
}
.sidebar-search-input:focus { border-color: var(--accent-muted); }
.sidebar-search-wrap {
  position: relative;
}
.sidebar-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.75rem;
  pointer-events: none;
}

.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0 16px;
}

.comp-category {
  margin-bottom: 2px;
}
.comp-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 14px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}
.comp-category-header:hover { background: var(--bg-secondary); }
.comp-cat-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
}
.comp-cat-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
}
.comp-cat-chevron {
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: transform 0.2s;
}
.comp-category.collapsed .comp-cat-chevron { transform: rotate(-90deg); }
.comp-category.collapsed .comp-list { display: none; }

.comp-list {
  padding: 2px 8px;
}

.comp-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}
.comp-item:hover {
  background: var(--bg-secondary);
}
.comp-item:active { transform: scale(0.97); }

.comp-item-icon {
  width: 30px; height: 30px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.comp-item-info { flex: 1; min-width: 0; }
.comp-item-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.comp-item-desc {
  font-size: 0.67rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 1px;
}

.comp-item-add {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--accent-glow);
  color: var(--accent);
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: background 0.15s;
}
.comp-item:hover .comp-item-add { display: flex; }
.comp-item-add:hover { background: var(--accent); color: white; }

/* ===== CANVAS AREA ===== */
#canvas-area {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
}

#canvas-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-light) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

#cy {
  width: 100%;
  height: 100%;
}

/* Canvas overlay controls */
.canvas-controls {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.canvas-ctrl-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  box-shadow: var(--shadow-sm);
}
.canvas-ctrl-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.zoom-label {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

/* Canvas tooltip / toast */
#toast {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--text-primary);
  color: white;
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  pointer-events: none;
  opacity: 0;
  transition: all 0.3s;
  white-space: nowrap;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Empty state */
#empty-state {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity 0.3s;
}
#empty-state.hidden { opacity: 0; }
.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.25;
}
.empty-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.empty-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 280px;
}

/* ===== PROPERTIES PANEL ===== */
#props-panel {
  width: var(--props-w);
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
  transition: width 0.25s;
}
#props-panel.collapsed { width: 0; overflow: hidden; }

.props-header {
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.props-header h3 {
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
}

.props-scroll { flex: 1; overflow-y: auto; padding: 16px; }

.props-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
}
.props-empty-icon { font-size: 2rem; margin-bottom: 0.8rem; opacity: 0.4; }

.prop-group {
  margin-bottom: 1.4rem;
}
.prop-group-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.prop-row {
  margin-bottom: 10px;
}
.prop-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
  display: block;
}
.prop-input {
  width: 100%;
  padding: 7px 10px;
  background: var(--bg-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s;
}
.prop-input:focus { border-color: var(--accent-muted); }
.prop-textarea {
  resize: vertical;
  min-height: 70px;
  line-height: 1.5;
}
.prop-select {
  appearance: none;
  cursor: pointer;
}

.prop-color-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.prop-color-swatch {
  width: 28px; height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: pointer;
  flex-shrink: 0;
}

.props-node-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  margin-bottom: 1.2rem;
}
.props-node-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.props-node-title {
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
}
.props-node-type {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.btn-delete {
  width: 100%;
  padding: 8px;
  background: rgba(220,50,50,0.08);
  border: 1px solid rgba(220,50,50,0.2);
  border-radius: var(--radius-sm);
  color: #c53030;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn-delete:hover { background: rgba(220,50,50,0.15); }

/* ===== TEMPLATES MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 760px;
  width: 100%;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96) translateY(8px);
  transition: transform 0.25s;
}
.modal-overlay.open .modal { transform: scale(1) translateY(0); }

.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h2 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.modal-close {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.modal-close:hover { background: var(--bg-tertiary); color: var(--text-primary); }

.modal-body {
  padding: 20px 24px;
  overflow-y: auto;
}

.templates-modal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.template-modal-card {
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s;
}
.template-modal-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.template-modal-preview {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}
.template-modal-info {
  padding: 10px 12px;
  border-top: 1px solid var(--border-light);
}
.template-modal-info h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}
.template-modal-info p {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 3px;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== EXPORT PANEL ===== */
.export-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}
.export-btn {
  flex: 1;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.export-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}
.export-btn.primary-export {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.export-btn.primary-export:hover { background: var(--accent-light); border-color: var(--accent-light); }

/* ===== MINIMAP ===== */
#minimap {
  position: absolute;
  bottom: 80px;
  right: 20px;
  width: 140px;
  height: 90px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  pointer-events: none;
  opacity: 0.85;
}