:root {
    --bg: #14161a;
    --panel: #1c1f26;
    --panel-2: #21252d;
    --line: #2c313b;
    --text: #e7e9ee;
    --muted: #8a90a0;
    --accent: #a9adb8;
    --accent-dim: #a9adb833;
    --good: #4ade80;
    --blue: #5b8cff;
    --font: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    height: 100vh;
    width: 100vw;
  }
  
  #app {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
  }
  
  /* Canvas Stage occupies full screen */
  #stage {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    min-width: 0;
    min-height: 0;
  }
  #canvasScroller {
    width: 100%;
    height: 100%;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  #canvasWrap {
    flex: 0 0 auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,.6), 0 0 0 1px var(--line);
    border-radius: 6px;
    overflow: hidden;
    background: #ffffff;
  }
  #canvasWrap canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    touch-action: none !important;
  }
  #drawCanvas { z-index: 1; }
  #mirrorOverlay { z-index: 2; pointer-events: none; }
  
  /* Unified Topbar */
  #topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(20, 22, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 10000;
  }
  
  #topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }
  
  #topbar-center {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-grow: 1;
    justify-content: center;
  }
  
  #topbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }

  /* Left Floating Tools Dock */
  #leftToolDock {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(28, 31, 38, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--line);
    border-radius: 28px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 16px 8px;
    z-index: 10000;
  }
  #leftToolDock .dock-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--muted);
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
  }
  #leftToolDock .dock-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
  }
  #leftToolDock .dock-btn.active {
    background: var(--accent) !important;
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(255, 107, 74, 0.3);
  }

  /* Floating Popups */
  .floating-popup {
    position: fixed;
    top: 70px;
    bottom: auto;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    width: 340px;
    max-height: calc(100vh - 100px);
    background: rgba(28, 31, 38, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    overflow-y: auto;
    padding: 16px;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .floating-popup.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }
  .floating-popup::-webkit-scrollbar {
    width: 4px;
  }
  .floating-popup::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
  }
  
  /* Color Picker Floating Popup */
  #colorPickerPopup {
    position: fixed;
    top: 80px;
    right: 20px;
    bottom: auto;
    left: auto;
    transform: translateY(10px);
    width: 264px;
    z-index: 10000;
  }
  #colorPickerPopup.open {
    transform: translateY(0);
  }
  
  /* Brush Popup Left Hover Layout */
  #brushPopup {
    position: fixed;
    left: 110px !important;
    right: auto !important;
    top: 50% !important;
    bottom: auto !important;
    transform: translateY(-50%) translateX(-10px) !important;
    width: 320px;
  }
  #brushPopup.open {
    transform: translateY(-50%) translateX(0) !important;
  }
  
  /* Popup Headers */
  .popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding-bottom: 8px;
  }
  .popup-header h3 {
    margin: 0;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--muted);
  }
  .popup-close {
    background: transparent;
    border: none;
    color: var(--muted);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Widgets and controls styling inside popups */
  .section {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 12px;
  }
  .section h2 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--muted);
    margin-bottom: 10px;
  }
  .row {
    margin-bottom: 10px;
  }
  .row:last-child { margin-bottom: 0; }
  .row label {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    margin-bottom: 4px;
    color: var(--muted);
  }
  .row label .val {
    color: var(--accent);
    font-weight: 500;
  }
  
  .btn-row {
    display: flex;
    gap: 6px;
  }
  .btn-row button, button.primary, button.danger {
    flex: 1;
    background: #2b303a;
    border: 1px solid var(--line);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
  }
  .btn-row button .material-symbols-outlined {
    font-size: 16px;
  }
  svg.icon-svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    display: inline-block;
    flex-shrink: 0;
  }
  #leftToolDock .dock-btn svg.icon-svg {
    width: 23px;
    height: 23px;
  }
  .btn-row button svg.icon-svg {
    width: 16px;
    height: 16px;
  }
  .btn-row button:hover {
    background: rgba(255,255,255,0.08);
  }
  .btn-row button.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
  }
  button.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
  }
  button.primary:hover {
    background: var(--accent);
    opacity: 0.9;
  }
  button.danger {
    background: rgba(220, 38, 38, 0.15);
    border-color: rgba(220, 38, 38, 0.25);
    color: #f87171;
  }
  button.danger:hover {
    background: rgba(220, 38, 38, 0.25);
  }
  button.icon-only {
    flex: 0 0 auto;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-size: 16px;
    border-radius: 6px;
    background: #2b303a;
    color: var(--text);
    border: 1px solid var(--line);
  }
  button.icon-only.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
  }
  
  /* Inputs */
  input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    outline: none;
  }
  input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    transition: transform 0.1s;
  }
  input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
  }
  
  select {
    width: 100%;
    background: rgba(28,31,38,.9);
    border: 1px solid var(--line);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 6px;
    outline: none;
    font-size: 13px;
    cursor: pointer;
  }
  
  .size-inputs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--muted);
  }
  .size-inputs input[type="number"] {
    flex: 1;
    background: rgba(28,31,38,.9);
    border: 1px solid var(--line);
    color: var(--text);
    padding: 6px 8px;
    border-radius: 6px;
    outline: none;
    font-size: 13px;
  }
  
  .hint {
    font-size: 11px;
    color: var(--muted);
    line-height: 1.4;
    margin-top: 8px;
  }
  
  /* Switch Toggle styling */
  .toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
  }
  .switch {
    position: relative;
    display: inline-block;
    width: 34px;
    height: 18px;
  }
  .switch input { display: none; }
  .slider-switch {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255,255,255,0.1);
    transition: .3s;
    border-radius: 34px;
  }
  .slider-switch:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
  }
  input:checked + .slider-switch {
    background-color: var(--accent);
  }
  input:checked + .slider-switch:before {
    transform: translateX(16px);
  }
  
  /* Status Pill & Zoom Controls */
  .pill {
    background: rgba(28, 31, 38, 0.85);
    border: 1px solid var(--line);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 6px;
  }
  
  #zoomControls {
    background: rgba(28, 31, 38, 0.85);
    border: 1px solid var(--line);
    padding: 4px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 4px;
  }
  #zoomControls button {
    background: transparent;
    border: none;
    color: var(--muted);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
  }
  #zoomControls button:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
  }
  #zoomControls button.wide {
    width: auto;
    padding: 0 8px;
    border-radius: 12px;
    font-size: 11px;
  }
  #zoomVal {
    font-size: 11px;
    font-weight: 600;
    color: var(--text);
    min-width: 32px;
    text-align: center;
  }

  /* Color Picking widget styling */
  #colorWheelWrap {
    display: flex;
    justify-content: center;
    margin-bottom: 8px;
  }
  #colorWheelCanvas {
    cursor: crosshair;
    touch-action: none;
  }
  .color-swatch-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
    cursor: pointer;
    position: absolute;
    transition: transform 0.2s;
  }
  .color-swatch-circle:hover {
    transform: scale(1.1);
  }
  .fg-swatch {
    background: #000000;
    z-index: 2;
    top: 0px;
    left: 0px;
  }
  .bg-swatch {
    background: #ffffff;
    z-index: 1;
    top: 8px;
    left: 12px;
    border-color: rgba(255,255,255,0.6);
  }

  /* Angle Dial Widget styling */
  .angle-wrap { display:flex; align-items:center; gap:12px; }
  #angleDial {
    width:42px; height:42px; border-radius:50%;
    background: radial-gradient(circle at center, #262a33 55%, #1a1d23 100%);
    border:1px solid var(--line); position:relative; flex-shrink:0; cursor:grab;
    touch-action:none;
  }
  #angleDial .needle {
    position:absolute; left:50%; top:50%; width:2px; height:18px;
    background: var(--accent); transform-origin: top center;
    transform: translate(-50%,0) rotate(0deg); border-radius:2px;
  }
  #angleDial .center-dot { position:absolute; left:50%; top:50%; width:6px; height:6px; margin:-3px; border-radius:50%; background:var(--text); }

  /* Layer list dynamic elements */
  .layer-item, .mirror-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px 12px;
    margin-bottom: 6px;
  }
  .layer-item.active, .mirror-item.active {
    border-color: var(--accent);
    background: rgba(255,107,74,0.05);
  }
  .layer-item .name, .mirror-item .name {
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
  }
  .layer-item .actions, .mirror-item .actions {
    display: flex;
    gap: 4px;
  }
  .layer-item button, .mirror-item button {
    background: transparent;
    border: none;
    color: var(--muted);
    font-size: 14px;
    cursor: pointer;
    padding: 2px 4px;
  }
  .layer-item button:hover, .mirror-item button:hover {
    color: var(--text);
  }
  
  /* Cursor previews */
  #brushCursor, #eyedropperCursor {
    position: absolute;
    pointer-events: none;
    display: none;
    z-index: 10002;
  }
  #brushCursor {
    border: 1px solid #ffffff;
    border-radius: 50%;
    box-shadow: 0 0 0 1px #000000;
    transform: translate(-50%, -50%);
  }
  #eyedropperCursor {
    color: #ffffff;
    text-shadow: 0 1px 2px #000000;
    transform: translate(0, -100%);
  }
  
  /* Keyboard shortcuts Modal styling */
  .modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20000;
  }
  .modal-content {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 16px;
    width: 420px;
    max-width: 90%;
    padding: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  }
  .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
  }
  .modal-header h3 {
    margin: 0;
    font-size: 16px;
  }
  .modal-close {
    font-size: 24px;
    cursor: pointer;
    color: var(--muted);
  }
  .modal-body {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 18px;
  }
  .shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }
  .shortcut-item span {
    font-size: 13px;
    color: var(--muted);
  }
  kbd {
    background: var(--accent);
    color: #ffffff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: bold;
    font-family: monospace;
  }
  .modal-action-btn {
    width: 100%;
    background: var(--accent);
    color: white;
    border: none;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
  }
  
  /* RTL specific layout flips */
  html[dir="rtl"] #topbar {
    flex-direction: row-reverse;
  }
  html[dir="rtl"] .modal-content { direction: rtl; }
  html[dir="rtl"] .floating-popup { direction: rtl; }
  
  /* Mobile responsive overrides */


  @media (max-width: 768px) {
    #topbar {
      padding: 0 8px;
    }
    #zoomSlider, #zoomOutBtn, #zoomInBtn { display: none !important; }
    .floating-popup {
      width: 320px;
    }
  }
  @media (max-width: 500px) {
    #topbar-right #statusPill { display: none !important; }
  }

  #sizeDragTrack {
    position: fixed;
    left: 86px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 30vh;
    background: rgba(28, 31, 38, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid var(--accent);
    border-radius: 8px;
    cursor: ns-resize;
    z-index: 10000;
    display: flex;
    align-items: flex-end;
    overflow: visible;
    touch-action: none;
  }
  #sizeDragFill {
    width: 100%;
    height: 18%;
    background: var(--accent);
    border-radius: 0 0 6px 6px;
    pointer-events: none;
  }
  #sizeDragBadge {
    position: absolute;
    left: 20px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 11px;
    color: var(--text);
    font-weight: bold;
    pointer-events: none;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.15s;
  }
  #sizeDragTrack:hover #sizeDragBadge, #sizeDragTrack.dragging #sizeDragBadge {
    opacity: 1;
  }



  /* Color Picker Popup Minimize styling */
  #colorPickerPopup.minimized {
    width: 56px !important;
    height: 56px !important;
    border-radius: 50% !important;
    padding: 0 !important;
    overflow: hidden !important;
    bottom: auto !important;
    transform: none !important;
  }
  #colorPickerPopup.minimized .popup-header,
  #colorPickerPopup.minimized #colorPickerBody {
    display: none !important;
  }
  #colorPickerPopup.minimized #colorPickerMinimizedIcon {
    display: flex !important;
  }

  /* Consistent Settings Buttons */
  .settings-btn {
    background: #2b303a;
    border: 1px solid var(--line);
    color: var(--text);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, transform 0.1s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
  }
  .settings-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent);
  }
  .settings-btn:active {
    transform: scale(0.97);
  }

  /* Premium Gradient Export Button */
  #saveBtn {
    background: linear-gradient(135deg, #3265f0, #a024ff) !important;
    color: #ffffff !important;
    border: none !important;
    font-weight: bold !important;
    transition: transform 0.2s, filter 0.2s !important;
  }
  #saveBtn:hover {
    filter: brightness(1.1) !important;
  }
  #saveBtn:active {
    transform: scale(0.97) !important;
  }

  /* Premium Gradient About Button */
  #aboutLinkBtn {
    background: linear-gradient(135deg, #a024ff, #3265f0) !important;
    color: #ffffff !important;
    text-decoration: none !important;
    font-weight: bold !important;
    border-radius: 20px !important;
    padding: 6px 14px !important;
    font-size: 12px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
    transition: transform 0.2s, filter 0.2s !important;
    border: none !important;
    cursor: pointer !important;
    box-shadow: 0 4px 12px rgba(160, 36, 255, 0.3) !important;
  }
  #aboutLinkBtn:hover {
    filter: brightness(1.15) !important;
    transform: translateY(-1px) !important;
    color: #ffffff !important;
  }
  #aboutLinkBtn:active {
    transform: scale(0.97) !important;
  }

  /* Force Sliders to grow LTR (rightwards) even in RTL (Arabic) */
  input[type="range"] {
    direction: ltr !important;
    touch-action: none;
  }

  /* Prevent Google Font fallback text from spilling out and overlapping */
  .material-symbols-outlined {
    display: inline-block;
    width: 24px;
    height: 24px;
    overflow: hidden;
    vertical-align: middle;
    text-align: center;
  }