html,
body {
  height: 100%;
  background: var(--bg);
  color: var(--text-primary);
  font-size: 12px;
  transition: background-color var(--btn-transition),
    color var(--btn-transition);
}

body {
  display: grid;
  grid-template-columns: 70% 30%;
  grid-template-rows: 10rem 7rem 1fr;
  transition: background-color var(--btn-transition),
    color var(--btn-transition);
  min-width: 290px;
}

/* ========================================
   HEADER
======================================== */
header {
  grid-column: 1 / -1;
  background: var(--bg);
  padding: 1rem;
  height: 10rem;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 13px;
  font-weight: 600;
}

/* ========================================
   LOGO
======================================== */
.logo {
  width: 6rem;
  height: 6rem;
}

.name {
  font-size: 2rem;
  margin-left: 1rem;
  background-image: var(--accent-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

/* ========================================
   ASPECT RATIO CONTROLS
======================================== */
.aspect-ratio-container {
  display: grid;
  align-items: center;
  gap: 8px;
  justify-content: space-between;
  width: 100%;
  grid-row: 2/3;
  grid-column: 1/3;
  background: var(--bg);
  padding: 2.5rem 0.8rem 0.8rem;
}

.Aspect-Ratio-label {
  position: absolute;
  top: -2rem;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.aspect-ratio-row {
  position: relative;
  grid-column: 1/2;
  display: flex;
  align-items: center;
  gap: 8px;
}

.aspect-ratio-btns {
  display: flex;
  gap: 2px;
  flex: 1;
  border-radius: 8px;
  padding: 2px;
  border: 1px solid var(--border);
}

.aspect-btn {
  flex: 1;
  padding: 6px 4px;
  font-weight: 600;
  width: 3.4rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.aspect-btn.active {
  background: var(--accent-gradient);
  color: #000;
}

.aspect-btn.active:hover {
  background: var(--accent-gradient);
  color: #000;
}

.aspect-btn svg {
  width: 14px;
  height: 14px;
}

.aspect-lock-btn {
  width: 32px;
  height: 32px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.aspect-lock-btn:hover {
  border-color: var(--accent-gradient);
}

.aspect-lock-btn.locked {
  background: var(--accent-gradient);
  border-color: var(--accent-gradient);
}

.aspect-lock-btn img {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

.aspect-lock-btn.locked img {
  opacity: 1;
  filter: brightness(0) !important;
}

.size-inputs-row {
  display: flex;
  align-items: center;
  gap: 6px;
  grid-column: 4/5;
}

.size-input-group {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.size-input-group label {
  font-size: 10px;
  color: var(--text-muted);
  width: 16px;
}

.size-input-group .num-input {
  flex: 1;
  width: 60px;
  padding: 10px;
}

.size-input-group .unit {
  font-size: 9px;
  color: var(--text-muted);
}

.size-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  color: var(--text-muted);
  transition: all 0.35s ease;
}

.size-link.linked {
  color: var(--accent-gradient);
}

.size-link-btn.linked img {
  filter: invert(1) brightness(0) !important;
}

.swap-size-btn {
  width: max-content;
  display: flex;
  align-items: center;
  justify-content: center;
  grid-column: 5/6;
  gap: 6px;
  padding: 6px;
  font-size: 10px;
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
}

/* ========================================
   ASPECT RATIO CONTROLS
======================================== */
.aspect-input-row {
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: 8px;
  grid-column: 2/3;
}

.aspect-input-num {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  transition: all 0.15s;
  -moz-appearance: textfield;
}

.aspect-separator {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-muted);
  user-select: none;
}

.size-label {
  position: absolute;
  top: -2rem;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.size-input-group {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  position: relative;
}

.size-input-group label {
  font-size: 10px;
  color: var(--text-muted);
  width: 14px;
  position: absolute;
  margin-bottom: 2px;
  right: 0;
}

.size-input-group .num-input {
  flex: 1;
  width: 50px;
}

.size-input-group .unit {
  font-size: 9px;
  color: var(--text-muted);
}

/* Size Link Button */
.size-link-btn {
  width: 33px;
  height: 33px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.size-link-btn:hover {
  border-color: var(--accent-gradient);
  color: var(--accent-gradient);
}

.size-link-btn.linked {
  background: var(--accent-gradient);
  border-color: var(--accent-gradient);
  color: #000;
}

.resolution-presets {
  position: relative;
  grid-column: 3/4;
}

.preset-btns {
  display: flex;
  gap: 2px;
  flex: 1;
  border-radius: 8px;
  padding: 2px;
  border: 1px solid var(--border);
}

.preset-btn {
  flex: 1;
  padding: 6px 4px;
  font-weight: 600;
  width: 3.4rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preset-btn.selected {
  background: var(--accent-gradient);
  color: #000;
}

/* ========================================
   ASPECT RATIO VISUAL PREVIEW
======================================== */

.aspect-preview {
  width: 100%;
  height: 60px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  position: relative;
  overflow: hidden;
}

.aspect-preview-box {
  background: var(--accent-gradient);
  opacity: 0.3;
  border-radius: 4px;
  transition: all 0.2s;
}

.aspect-preview-label {
  position: absolute;
  font-size: 10px;
  color: var(--white-color);
  font-weight: 600;
}

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

.file-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  min-width: 140px;
  background: rgba(20, 20, 25, 0.98);
  backdrop-filter: blur(12px);
  border: 1px solid #333;
  border-radius: 10px;
  padding: 6px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.file-menu:hover .file-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.file-dropdown button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: #e0e0e0;
  font-size: 13px;
  cursor: pointer;
}

/* ========================================
   generate
======================================== */

#generateBtn {
  position: absolute;
  gap: 6px;
  padding: 9px 12px;
  background: var(--accent-gradient);
  color: var(--text-contrast);
  border: none;
  font-size: 14px;
  font-weight: 500;
  z-index: 3;
  margin: 0 .5rem ;
  right: 0;
  top: 0;
  box-shadow: var(--shadow);
}

#generateBtn.run svg{
  animation: rotate 600ms ease;
}
/* ========================================
   CANVAS AREA
======================================== */
.canvas-wrap {
  position: relative;
  display: grid;
  place-items: center;
  height: 100% !important;
  overflow: hidden;
  background-color: var(--bg-secondary);
  background-image: linear-gradient(45deg, var(--bg) 25%, transparent 25%),
    linear-gradient(-45deg, var(--bg) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--bg) 75%),
    linear-gradient(-45deg, transparent 75%, var(--bg) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
  border-top-right-radius: 12px;
  grid-column: 1 / 2;
  grid-row: 3 / 4;

  /* --notch-w: 116px;
  --notch-h: 42px;
  --r: 11px;

  clip-path: polygon(
    0% 0%, 
    calc(100% - var(--notch-w) - var(--r)) 0%,
    calc(100% - var(--notch-w) - var(--r)) 0%,
    calc(100% - var(--notch-w)) var(--r),
    calc(100% - var(--notch-w)) calc(var(--notch-h) - var(--r)),
    calc(100% - var(--notch-w) + var(--r)) var(--notch-h),
    100% var(--notch-h),
    100% 100%,
    0% 100%
  ); */

}

.canvas-container {
  overflow: visible !important;
  position: relative;
  width: max-content;
  height: max-content;
  padding: 0;
}

.canvas-wrapper {
  overflow: visible !important;
  position: relative;
  display: inline-block;
  transform-origin: top left;
}

#canvas {
  position: relative;
  display: block;
  border-radius: 1rem;
  cursor: crosshair;
  border: 1px dashed var(--text-muted);
  transition: none;
}

.canvas-noise {
  position: relative;
  display: inline-block;
}

.canvas-noise canvas {
  display: block;
  border-radius: 1rem;
}

/* overlay نویز */
.canvas-noise::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: transparent;
  filter: url(#noiseFilter);
  opacity: var(--noise-opacity, 0);
  mix-blend-mode: var(--noise-blend, overlay);
  border-radius: 1rem;
}

.canvas-wrap.panning * {
  pointer-events: none;
}

.canvas-wrap.panning #canvas {
  pointer-events: auto;
}

/* ========================================
   RESIZE HANDLES
======================================== */
.resize-h {
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: anchor-center;
  position: ;
  background: var(--bg-transparent);
  backdrop-filter: blur(2px);
  bottom: -3.5rem;
  cursor: ns-resize;
  width: max-content;
  padding: 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}

#resizeHeightHandle {
  height: 0.3rem;
  width: 8rem;
  border-radius: 999px;
  background: var(--text-primary);
  user-select: none;
}

.resize-w {
  display: flex;
  align-items: center;
  flex-direction: column;
  position: absolute;
  align-self: anchor-center;
  background: var(--bg-transparent);
  backdrop-filter: blur(2px);
  right: -3.7rem;
  bottom: 0;
  top: 0;
  cursor: ew-resize;
  padding: 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}

#resizeWidthHandle {
  width: 0.3rem;
  height: 8rem;
  border-radius: 999px;
  background: var(--text-primary);
}

.Handle-btn {
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  right: -6px;
  top: -60px;
  padding: 8px;
  background: var(--bg-transparent);
  backdrop-filter: blur(4px);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  z-index: 1000;
}

.Handle-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg-transparent);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: -1;
  border-radius: inherit;
}

.Handle-btn img {
  margin: auto;
  width: 1.8rem;
  height: 1.8rem;
}

.active {
  background: rgba(80, 40, 40, 0.5);
  border-color: rgba(255, 100, 100, 0.3);
}

/* ========================================
   handle toggle
======================================== */

#toggleHandles {
  touch-action: none;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  background: var(--bg-transparent);
  backdrop-filter: blur(4px);
  padding: 6px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  z-index: 1000;
}

#toggleHandles.handles-hidden {
  background: rgba(80, 40, 40, 0.5);
  border-color: rgba(255, 100, 100, 0.3);
}

.tool-bar {
  position: absolute;
  top: 1rem;
  left: .5rem;
  right: .5rem;
  display: flex;
  gap: 10px;
  z-index: 1000;
  height: min-content;
  flex-wrap: wrap;
  padding-right: 10rem;
}

/* ========================================
   Undo/Redo
======================================== */
.undo-redo-group {
  display: flex;
  gap: 4px;
}

#undoBtn,
#redoBtn {
  height: 40px;
  width: 40px;
  border-radius: 999 !important;
  touch-action: none;
  display: flex;
  align-items: center;
  background: var(--bg-transparent);
  backdrop-filter: blur(4px);
  padding: 6px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  z-index: 1000;
}

.undo-redo-group .undo-redo-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ========================================
   pan tool
======================================== */
.pan-btn {
  width: 40px;
  height: 40px;
  touch-action: none;
  display: flex;
  align-items: center;
  background: var(--bg-transparent);
  backdrop-filter: blur(4px);
  padding: 6px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  z-index: 1000;
}

.pan-btn img {
  width: 2.2rem;
  height: 2.2rem;
}

.pan-btn.active {
  background: rgba(80, 40, 40, 0.3);
  border-color: rgba(255, 100, 100, 0.3);
}

/* ========== FULLSCREEN PREVIEW ========== */
.preview-btn {
  height: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-transparent);
  backdrop-filter: blur(4px);
  padding: 8px 10px;
  border-radius: 30px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  z-index: 1000;
}

/* ========== FULLSCREEN PREVIEW ========== */
.fullscreen-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100dvw;
  height: 100dvh;
  background: #000;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  cursor: pointer;
}

.fullscreen-overlay.show {
  opacity: 1;
}

#fullscreenCanvas {
  display: block;
  transition: transform 0.3s ease;
  border-radius: 8px;
}

.fullscreen-controls {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap-reverse;
}

.fullscreen-btn {
  width: 40px;
  height: 40px;
  background: var(--bg-transparent);
  backdrop-filter: blur(4px);
  padding: 8px 10px;
  border-radius: 30px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  color: #fff;
  opacity: 0.6;
}

.fullscreen-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  opacity: 1;
  transform: scale(1.1);
}

.fullscreen-btn:active {
  transform: scale(0.95);
}

.fullscreen-info {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-transparent);
  backdrop-filter: blur(4px);
  padding: 8px 10px;
  border-radius: 30px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 12px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.fullscreen-overlay:hover .fullscreen-info,
.fullscreen-overlay:hover .fullscreen-btn {
  opacity: 1;
}

.fullscreen-zoom-value {
  width: 65px;
  height: 40px;
  background: var(--bg-transparent);
  backdrop-filter: blur(4px);
  padding: 8px 10px;
  border-radius: 30px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  color: var(--text-primary);
  font-size: 12px;
  opacity: 0.6;
}

/* ========================================
   ZOOM CONTROLS
======================================== */
.zoom-controls {
  position: absolute;
  bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-transparent);
  backdrop-filter: blur(4px);
  padding: 8px 10px;
  border-radius: 30px;
  box-shadow: var(--shadow);
  z-index: 1000;
}

.zoom-controls button {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: var(--bg-transparent);
  transition: var(--transition-fast);
  border: 1px solid var(--border);
}

.zoom-controls button:active {
  background: var(--accent-gradient);
}

.zoom-controls button:active img {
  filter: invert(1) brightness(0);
}

.zoom-controls .zoom-btn {
  width: auto;
  padding: 0 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 500;
}

.zoom-value {
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  width: 50px;
  text-align: center;
  background: var(--bg-transparent);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
}

.zoom-indicator {
  position: fixed;
  top: 50%;
  left: 35%;
  transform: translate(-50%, -50%) scale(0.8);
  background: var(--bg-transparent);
  padding: 15px 30px;
  border-radius: var(--radius-md);
  font-size: 20px;
  font-weight: bold;
  pointer-events: none;
  opacity: 0;
  transition: all 0.2s ease;
  z-index: 999999;
  backdrop-filter: blur(8px);
}

.zoom-indicator.show {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

/* ========================================
   PANEL / SIDEBAR
======================================== */
.panel {
  grid-column: 2/3;
  grid-row: 3/4;
  background: var(--bg);
  overflow-y: auto;
  padding: 10px;
  padding-bottom: 6px;
  transition: background-color var(--transition-slow),
    border-color var(--transition-slow), color var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  order: 1;
}

.panel a {
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 0;
  order: 2;
}

/* ========================================
   SECTIONS
======================================== */
.section {
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 18px;
  position: relative;
  -webkit-touch-callout: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.section-header {
  height: 30px;
  display: flex;
  justify-content: end;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.section-title {
  flex-grow: 1;
  justify-self: start !important;
  align-items: center;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-titel);
  text-transform: uppercase;
  width: max-content;
}

.section-content {
  overflow: hidden;
  height: 0;
  transition: height .3s ease;
}


.section.dragging {
  opacity: .3;
}

/* ========== Section Drag & Drop ========== */

.section.drag-original {
  opacity: 0 !important;
  pointer-events: none;
}

.section-drag-clone {}

.section-drag-placeholder {}

body.dragging-section {
  user-select: none;
  -webkit-user-select: none;
}

/* ========== Collapsible Sections ========== */
.section-header {
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  touch-action: manipulation;
  border-radius: 8px;
  transition: background 0.2s ease;
}

.section-header:active {}

.section-content {
  overflow: hidden;
  transition: height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   noise
======================================== */
.noise-controls .form-row {
  margin-block: .8rem;
  justify-content: space-between;
}

/* ========================================
   fillter
======================================== */
.filter-row {
  display: grid;
  grid-template-columns: 100px 120px 50px;
  align-items: center;
  justify-content: space-between;
  padding-block: .3rem;
  margin-block: .5rem;
}

.filter-row.active {
  border-radius: 8px;
}

.filter-slider {
  justify-self: center;
  grid-column: 2/3;
}

.filter-row .num-input {
  justify-self: end;
  grid-column: 3/4;
  grid-row: 1/2;
  width: 50px;
  margin-right: 10px;
}

.filter-row .unit {
  justify-self: end;
  grid-column: 3/4;
  grid-row: 1/2;
  font-size: 10px;
  color: var(--text-muted);
  width: 14px;
  margin-bottom: 2px;
  right: 0;
  margin-right: 10px;
}

.filter-row label {
  cursor: pointer;
  user-select: none;
  margin-left: 10px;
}

#filtersResetBtn.run img {
  animation: rotate 600ms ease;
}

@keyframes rotate {
  100% {
    transform: rotate(360deg);
  }
}

/* ========================================
  backgraod
======================================== */
.bg-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ========================================
   gradient
======================================== */
.gradient-btn-bar {
  display: flex;
  width: min-content;
  gap: 1rem;
  height: 2rem;
}

.gradient-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding-inline: 1.1rem;
  width: max-content;
}

.gradient-btn:hover {
  background: var(--accent-gradient);
  color: var(--text-contrast);
}

/* ========================================
   FORM ELEMENTS
======================================== */
.form-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  background: var(--bg);
  border-radius: 6px;
  padding: 8px;
  margin-bottom: 6px;
  gap: 8px;
}

.form-group-title {
  width: 100%;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.form-Opacity {
  margin-left: auto;
}

.form-row label {
  width: max-content;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.num-input {}

.stop-item {
  width: 100%;
  background: var(--bg);
  border-radius: 6px;
  margin-top: 5px;
  border: 2px solid transparent;
  
}

.color-stop-fields {
  width: 12rem;
}

.field-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.field-group label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-left: 10px;
}

.field-group .num-input {
  width: 100%;
  margin: 4px;
}

button.sm {
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  transition: var(--btn-transition);
}

.sm:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: var(--shadow);
  background: var(--accent-gradient);
  color: var(--text-contrast);
}

/* ========== DRAG HANDLE ========== */
.drag-handle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  min-width: 20px;
  height: 100%;
  cursor: grab;
  color: var(--text-dim);
  opacity: 0.4;
  transition: opacity 0.2s, color 0.2s;
  margin-right: 8px;
}

.drag-handle:hover {
  opacity: 1;
  color: var(--text);
}

.drag-handle:active {
  cursor: grabbing;
}

.stop-item:hover .drag-handle {
  opacity: 0.7;
}

/* ========== DRAG STATES ========== */
.stop-item.drag-original {
  display: none;
}

.drag-placeholder {
  background: var(--accent-gradient);
  opacity: 0.15;
  border-radius: 8px;
  border: 2px dashed var(--accent-gradient);
  margin: 4px 0;
  transition: height 0.15s ease;
}

.drag-clone {
  background: var(--surface);
  border: 1px solid var(--accent-gradient);
  animation: dragStart 0.15s ease-out;
  transition: all 100ms ease;
}

.drag-clone .drag-handle {
  cursor: grabbing;
  opacity: 1;
  color: var(--accent-gradient);
}


@keyframes dragStart {
  from {
    transform: scale(1);
    opacity: 0.5;
  }

  to {
    transform: scale(1.03);
    opacity: 0.95;
  }
}

/* ========================================
   ANGLE PICKER
======================================== */
.angle-picker {
  width: 60px;
  height: 60px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

.angle-dial {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: none;
  border: 2px solid var(--text-primary);
  position: relative;
}

.angle-handle {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 50%;
  transform-origin: bottom center;
  margin-left: -1px;
  pointer-events: none;
}

.handle-dot {
  width: 12px;
  height: 12px;
  background: none;
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  border: 2px solid var(--text-primary);
  box-shadow: 0 0 3px rgba(28, 28, 28, 0.8);
}

.angle-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 11px;
  font-weight: bold;
  color: var(--text-primary);
  pointer-events: none;
}

/* ========== LIST STYLES ========== */
#list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}


.stop-item:not(.drag-original):not(.drag-clone) {}

/* ========================================
   STOP ITEMS
======================================== */
.color-stop-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.color-stop-row {
  display: flex;
  align-items: center;
  background: var(--bg);
  width: 100%;
  justify-content: space-between;
  margin-block: 4px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.drag-handle {
  cursor: grab;
  user-select: none;
  font-size: 14px;
  opacity: 0.6;
}

.color-stop-row.dragging {
  opacity: 0.4;
}


.cs-label {
  flex: 1;
  font-size: 10px;
  margin-left: 10px;
}

.color-stop-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.95;
  transform: scale(1.02);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.stop-item.selected {
  border: 2px solid var(--border-hover);
}

.stop-item.hidden {
  opacity: 0.35;
}

.stop-header {
  padding: 6px 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.color-stop-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.stop-preview {
  width: 38px;
  height: 38px;
  border-radius: 5px;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-secondary);
  background-image: linear-gradient(45deg, var(--bg) 25%, transparent 25%),
    linear-gradient(-45deg, var(--bg) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--bg) 75%),
    linear-gradient(-45deg, transparent 75%, var(--bg) 75%);
  background-size: 6px 6px;
  background-position: 0 0, 0 3px, 3px -3px, -3px 0px;
}

.stop-preview-inner {
  position: absolute;
  inset: 0;
}

.stop-info {
  flex: 1;
}

.stop-name {
  font-weight: 500;
  font-size: 11px;
}

.stop-meta {
  font-size: 11px;
  color: var(--text-muted);
}

.stop-actions {
  display: flex;
  gap: 2px;
}

.pos-lock {
  width: 1.4rem;
  height: 1.4rem;
  filter: var(--svg);
}

.control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 3px;
  cursor: pointer;
  font-size: 11px;
}

.control-btn img {
  width: 18px;
  height: 18px;
}

.control-btn.run{
  animation: blur  600ms ease ;
}

@keyframes blur {
  50%   {  filter: blur(2px);}
}
/* .control-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
} */

.empty-msg {
  color: var(--text-muted);
  text-align: center;
  font-size: 12px;
}

/* ========================================
   COLOR SWATCH
======================================== */
.color-swatch {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-secondary);
  background-image: linear-gradient(45deg, var(--bg) 25%, transparent 25%),
    linear-gradient(-45deg, var(--bg) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--bg) 75%),
    linear-gradient(-45deg, transparent 75%, var(--bg) 75%);
  background-size: 6px 6px;
  background-position: 0 0, 0 3px, 3px -3px, -3px 0px;
}

.color-swatch-inner {
  position: absolute;
  inset: 0;
}

/* ========================================
   COLOR PICKER MODAL
======================================== */
.picker-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
}

.picker-overlay.show {
  display: flex;
}

.picker-modal {
  background: var(--bg);
  backdrop-filter: blur(8px);
  border-radius: 10px;
  padding: 12px;
  width: 25rem;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5);
}

.picker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.picker-title {
  font-weight: 600;
  font-size: 11px;
}

.picker-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  height: 26px;
  border-radius: 6px;
}

.picker-close img {
  width: 18px;
  height: 18px;
}


.sb-box {
  width: 100%;
  height: 120px;
  border-radius: 6px;
  position: relative;
  cursor: crosshair;
  margin-bottom: 8px;
}

.sb-cursor {
  width: 12px;
  height: 12px;
  border: 2px solid #fff;
  border-radius: 50%;
  position: absolute;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

.slider-track {
  width: 100%;
  height: 10px;
  border-radius: 5px;
  position: relative;
  cursor: pointer;
  margin-bottom: 8px;
}

.hue-track {
  background: linear-gradient(to right,
      #f00,
      #ff0,
      #0f0,
      #0ff,
      #00f,
      #f0f,
      #f00);
}

.alpha-track {
  background-color: var(--text-muted);
  background-image: linear-gradient(to right, transparent, var(--ac, #fff)),
    linear-gradient(45deg, #444 25%, transparent 25%),
    linear-gradient(-45deg, #444 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #444 75%),
    linear-gradient(-45deg, transparent 75%, #444 75%);
  background-size: 100% 100%, 10px 10px, 10px 10px, 10px 10px, 10px 10px;
}

.slider-thumb {
  width: 4px;
  height: 14px;
  background: #fff;
  border-radius: 2px;
  position: absolute;
  top: -2px;
  transform: translateX(-50%);
  box-shadow: var(--shadow);
  pointer-events: none;
}


.picker-row {
  display: flex;
  gap: 6px;
  align-items: stretch;
}

.picker-preview {
  width: 36px;
  border-radius: 5px;
  border: 1px solid var(--border);
  overflow: hidden;
  position: relative;
  background-color: var(--text-muted);
  background-image: linear-gradient(45deg, #444 25%, transparent 25%),
    linear-gradient(-45deg, #444 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #444 75%),
    linear-gradient(-45deg, transparent 75%, #444 75%);
  background-size: 8px 8px;
}

.picker-preview-inner {
  position: absolute;
  inset: 0;
}

.picker-inputs {
  flex: 1;
}


.format-btns {
  display: flex;
  gap: 2px;
  margin-bottom: 5px;
}

.format-btn {
  flex: 1;
  padding: 3px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.format-btn.selected {
  background: var(--accent-gradient);
  color: #000;
  border-color: var(--accent-gradient);
}


.picker-fields {
  display: flex;
  gap: 3px;
}

.picker-field {
  flex: 1;
  text-align: center;
}

.picker-field label {
  display: block;
  font-size: 8px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.picker-field input {
  width: 100%;
  background: none;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: inherit;
  padding: 3px;
  text-align: center;
}

.recent-colors {
  margin: 10px 0;
}

.recent-colors-title {
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.recent-colors-list {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.recent-color-item {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
  overflow: hidden;
  /* Checkerboard background for transparency */
  background-image: linear-gradient(45deg, #333 25%, transparent 25%),
    linear-gradient(-45deg, #333 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #333 75%),
    linear-gradient(-45deg, transparent 75%, #333 75%);
  background-size: 6px 6px;
  background-position: 0 0, 0 3px, 3px -3px, -3px 0px;
  background-color: #555;
}

.recent-color-item:hover {
  border-color: var(--accent-gradient);
  transform: scale(1.1);
}

.recent-color-inner {
  position: absolute;
  inset: 0;
}

.recent-colors-empty {
  font-size: 10px;
  color: var(--text-muted);
  font-style: italic;
}

/* ========================================
   CSS OUTPUT
======================================== */
.output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block: .5rem .8rem;
}

.output-header>span {
  color: var(--text-muted);
  font-size: 13px;

}

.css-output {
  background: var(--bg);
  border: none;
  border-radius: 6px;
  padding: 12px;
  font-family: "Fira Code", "Consolas", monospace;
  font-size: 11px;
  color: #e0e0e0;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 200px;
  overflow-y: auto;
  margin: 0;
  line-height: 1.5;
  width: 100%;
}

#cssFormat {
  background: none;
}

#exportSelect {
  background: var(--accent-gradient);
  font-weight: 600;
  color: var(--text-contrast);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 6px;
  border-radius: 8px;
  margin-right: .4rem;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    background-color 0.2s ease,
    box-shadow 0.2s ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  z-index: 100;
}

.copy-btn img {
  width: 14px;
  height: 14px;
  transition: transform 0.25s ease;
}

/* Hover (Desktop) */
@media (hover: hover) {
  .copy-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow);
  }

  .copy-btn:hover img {
    transform: scale(1.15) rotate(-6deg);
  }
}

.copy-btn:active {
  transform: scale(0.94);
}

.copy-btn.copied {
  background: rgba(74, 222, 128, 0.15);
  border-color: rgba(74, 222, 128, 0.6);
  box-shadow: 0 0 0 1px rgba(74, 222, 128, 0.25);
  color: rgba(74, 222, 128, 0.6);
}

.copy-btn.copied {
  animation: copiedPulse 0.6s ease;
}

@keyframes copiedPulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.06);
  }

  100% {
    transform: scale(1);
  }
}

.copy-btn.copied {
  animation: copyBounce 0.45s cubic-bezier(.34, 1.56, .64, 1);
}

@keyframes copyBounce {
  0% {
    transform: scale(1);
  }

  40% {
    transform: scale(1.08);
  }

  70% {
    transform: scale(0.96);
  }

  100% {
    transform: scale(1);
  }
}

.copy-btn.copied::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(74, 222, 128, .6);
  animation: copyRing 0.6s ease-out;
  pointer-events: none;
}

@keyframes copyRing {
  to {
    box-shadow: 0 0 0 10px rgba(74, 222, 128, 0);
  }
}

/* ========================================
   keyframes
======================================== */
@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

/* ========================================
   RESPONSIVE / MEDIA QUERIES
======================================== */
@media (max-width: 1240px) {
  header {
    height: max-content;
  }

  body {
    display: block;
    font-size: 20px;
  }

  .canvas-wrap {
    height: 70%;
    border-radius: 0;
  }

  .zoom-controls {
    bottom: 1rem;
  }

  .panel {
    width: 100%;
  }

  .aspect-ratio-container {
    justify-content: space-around;
  }

  .aspect-ratio-row {
    grid-row: 1/2;
  }

  .aspect-ratio-btns {
    grid-column: 1/2;
    grid-row: 2/3;
  }

  .aspect-input-row {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
  }

  .resolution-presets {
    grid-column: 2/3;
    grid-row: 1/2;
  }

  .size-inputs-row {
    grid-column: 2/3;
    grid-row: 2/3;
  }

  .swap-size-btn {
    grid-column: 3/4;
    grid-row: 1/3;
    width: 100%;
  }
  .zoom-indicator{
    left: 50%;
  }
  .canvas-wrap{
    height: 56rem !important;
  }
}

@media (max-width: 500px) {
  .aspect-ratio-container {
    justify-content: stretch;
  }

  .aspect-ratio-row {
    grid-row: 1/2;
  }

  .aspect-ratio-btns {
    grid-column: 1/2;
    grid-row: 2/3;
  }

  .aspect-input-row {
    grid-column: 1 / 2;
    grid-row: 3 / 4;
  }

  .resolution-presets {
    margin-top: 2rem;
    grid-column: 1/2;
    grid-row: 4/5;
  }

  .size-inputs-row {
    grid-column: 1/2;
    grid-row: 5/6;
  }

  .swap-size-btn {
    grid-column: 1/2;
    grid-row: 6/7;
    width: 100%;
  }

  .canvas-wrap{
    height: 42rem !important;
  }
}

@media (max-width: 400px) {
  .name {
    display: none;
  }

  .canvas-wrap{
    height: 45rem !important;
  }

  .gradient-btn-bar{
    gap: .4rem;
  }

  .gradient-btn {
    font-size: 11px;
  }

  #copyBtn {
    display: none;
  }
}