/* TileForge Studio — Editor Layout */

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

:root {
  --bg-dark: #0d1117;
  --bg-panel: #161b22;
  --bg-panel-alt: #1c2333;
  --bg-input: #0d1117;
  --border: #30363d;
  --border-light: #3d444d;
  --text: #e6edf3;
  --text-dim: #7d8590;
  --text-muted: #484f58;
  --accent: #4a9eff;
  --accent-hover: #6ab4ff;
  --accent-subtle: rgba(74, 158, 255, 0.15);
  --warning: #f85149;
  --success: #3fb950;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', monospace;
  --radius: 6px;
  --radius-sm: 4px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
}

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg-dark);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ---- Menu Bar ---- */
#menu-bar {
  display: flex;
  align-items: center;
  height: 42px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  padding: 0 12px;
  gap: 4px;
  user-select: none;
  -webkit-app-region: drag;
}

.menu-item {
  padding: 6px 12px;
  cursor: pointer;
  border-radius: 4px;
  font-size: 13px;
  color: var(--text-dim);
  -webkit-app-region: no-drag;
}

.menu-item:hover, .menu-item.open {
  background: var(--bg-panel-alt);
  color: var(--text);
}

#app-title {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  -webkit-app-region: no-drag;
}

.title-logo {
  height: 32px;
  width: auto;
  margin-right: 4px;
  filter: drop-shadow(0 0 6px rgba(212, 160, 74, 0.4));
}

.title-text {
  font-family: 'Cinzel', serif;
  font-weight: 700;
  font-size: 16px;
  color: #d4a04a;
  letter-spacing: 0.5px;
}

.title-studio {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 400;
  color: #9a9aab;
  margin-left: -2px;
}

#app-title .version {
  color: #d4a04a;
  font-family: var(--font-mono);
  font-size: 10px;
  background: rgba(212, 160, 74, 0.12);
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 4px;
}


/* Menu dropdowns */
.menu-dropdown {
  position: fixed;
  z-index: 1000;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 0;
  min-width: 220px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
}

.menu-dropdown-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 16px;
  cursor: pointer;
  font-size: 12px;
}

.menu-dropdown-item:hover:not(.disabled) {
  background: var(--accent);
  color: #fff;
}

.menu-dropdown-item.disabled {
  color: var(--text-dim);
  cursor: default;
}

.menu-shortcut {
  color: var(--text-dim);
  font-size: 11px;
  margin-left: 24px;
}

.menu-dropdown-item:hover .menu-shortcut {
  color: rgba(255, 255, 255, 0.7);
}

.menu-separator {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

.menu-section-header {
  padding: 4px 12px 2px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  user-select: none;
  opacity: 0.7;
}

/* ---- Editor Area ---- */
#editor-area {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ---- Canvas Area ---- */
#canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#tab-bar {
  height: 0; /* Hidden until multi-tab is implemented */
  background: var(--bg-panel);
}

#canvas-wrapper {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--bg-dark);
}

#map-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

/* ---- Right Panel ---- */
#right-panel {
  width: 220px;
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
}

#layer-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid var(--border);
  min-height: 150px;
}

#property-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background: var(--bg-panel-alt);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}

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

.panel-actions button {
  width: 22px;
  height: 22px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  border-radius: 3px;
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.panel-actions button:hover {
  background: var(--accent);
}

/* ---- Layer List ---- */
#layer-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px;
}

.layer-item {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 12px;
}

.layer-item:hover {
  background: var(--bg-panel-alt);
}

.layer-item.active {
  background: var(--accent-subtle);
  color: var(--accent);
  border-left: 2px solid var(--accent);
}

.layer-item.dragging {
  opacity: 0.4;
}

.layer-item.drag-over {
  border-top: 2px solid var(--accent);
}

.layer-item.locked {
  opacity: 0.6;
}

.layer-vis, .layer-lock {
  width: 20px;
  height: 20px;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 12px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.layer-vis.on { color: var(--accent); }
.layer-lock.on { color: var(--warning); }

.layer-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-type {
  font-size: 9px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  background: var(--bg-input);
  padding: 1px 4px;
  border-radius: 2px;
}

.layer-rename {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--accent);
  color: var(--text);
  font-size: 12px;
  padding: 1px 4px;
  border-radius: 2px;
  outline: none;
}

.layer-opacity-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 0 0 28px;
  width: 100%;
}

.layer-opacity-slider {
  flex: 1;
  height: 3px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-input);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.layer-opacity-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
}

.layer-opacity-label {
  font-size: 9px;
  color: var(--text-dim);
  min-width: 28px;
  text-align: right;
}

/* ---- Command Palette ---- */
.cmd-palette-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.4);
  display: flex;
  justify-content: center;
  padding-top: 15vh;
}

.cmd-palette {
  width: 500px;
  max-height: 400px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.cmd-palette-input {
  padding: 12px 16px;
  font-size: 15px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  outline: none;
  font-family: var(--font-sans);
}

.cmd-palette-list {
  overflow-y: auto;
  max-height: 320px;
}

.cmd-palette-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text);
}

.cmd-palette-item:hover,
.cmd-palette-item.active {
  background: rgba(59, 168, 255, 0.1);
}

.cmd-palette-label {
  flex: 1;
}

.cmd-palette-category {
  color: var(--text-dim);
  font-size: 11px;
}

.cmd-palette-shortcut {
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  background: var(--bg-input);
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 8px;
}

.cmd-palette-empty {
  padding: 16px;
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
}

/* ---- Shortcut Overlay ---- */
.shortcut-overlay {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9998;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  padding: 20px 28px;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
}

.shortcut-overlay h3 {
  margin: 16px 0 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
}

.shortcut-overlay h3:first-child { margin-top: 0; }

.shortcut-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  font-size: 12px;
  color: var(--text);
}

.shortcut-key {
  font-family: var(--font-mono);
  background: var(--bg-input);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
  color: var(--text-dim);
}

/* ---- Status Bar ---- */
#status-bar {
  display: flex;
  align-items: center;
  height: 26px;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  padding: 0 12px;
  gap: 20px;
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.2px;
}

#status-dirty {
  color: var(--warning);
}

.status-copyright {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 9px;
  font-family: var(--font);
  letter-spacing: 0;
}

/* ---- Scrollbar styling ---- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }