/* ——— Canvas board (Доска) ——— */

.view--canvas {
  flex: 1;
  display: none;
  flex-direction: column;
  margin: calc(-1 * var(--space-page-y)) calc(-1 * var(--space-page-x)) -36px;
  width: calc(100% + 2 * var(--space-page-x));
  max-width: none;
  min-height: calc(100dvh - 52px);
}

.view--canvas.view--active {
  display: flex;
}

.canvas-page {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  background: var(--bg);
  position: relative;
}

.canvas-chrome {
  position: relative;
  z-index: 5;
  flex-shrink: 0;
}

.canvas-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--glass-border-soft);
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 4;
}

.canvas-toolbar__boards {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1 1 200px;
}

.canvas-toolbar__select {
  flex: 1;
  min-width: 120px;
  max-width: 220px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--field-border);
  background: var(--field-bg);
  color: var(--text);
  font: inherit;
  font-size: 13px;
}

.canvas-toolbar__icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border-soft);
  background: var(--glass-bg);
  color: var(--text);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.canvas-toolbar__icon-btn:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border);
}

.canvas-toolbar__tools {
  display: flex;
  align-items: center;
  gap: 6px;
}

.canvas-tool-btn {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border-soft);
  background: var(--glass-bg);
  color: var(--text-muted);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition:
    background var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.canvas-tool-btn:hover {
  background: var(--glass-bg-strong);
  color: var(--text);
}

.canvas-tool-btn--active {
  color: var(--text);
  border-color: color-mix(in srgb, var(--theme-accent) 45%, transparent);
  background: color-mix(in srgb, var(--theme-accent) 14%, transparent);
}

.canvas-toolbar__zoom {
  display: flex;
  align-items: center;
  gap: 6px;
}

.canvas-toolbar__zoom-label {
  min-width: 3.5rem;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.canvas-props-float {
  position: absolute;
  top: calc(100% + 10px);
  right: 14px;
  left: auto;
  z-index: 6;
  pointer-events: none;
}

.canvas-props-float[hidden] {
  display: none !important;
}

.canvas-props-float__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: rgba(8, 10, 14, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  pointer-events: auto;
}

.canvas-props-float__group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.canvas-props-float__label {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.canvas-props-float__size-input {
  width: 52px;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--glass-border-soft);
  background: var(--glass-bg);
  color: var(--text);
  font: inherit;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.canvas-props-float__size-input:focus {
  outline: none;
  border-color: var(--glass-border);
  background: var(--glass-bg-strong);
}

.canvas-props-float__size-input::-webkit-outer-spin-button,
.canvas-props-float__size-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.canvas-props-float__size-input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

.canvas-props-float__colors {
  position: relative;
}

/* ——— HSV color picker ——— */

.canvas-color-picker {
  position: relative;
}

.canvas-color-picker__trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border-soft);
  background: var(--glass-bg);
  cursor: pointer;
}

.canvas-color-picker__trigger:hover {
  background: var(--glass-bg-strong);
}

.canvas-color-picker__trigger-swatch {
  width: 100%;
  height: 100%;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.canvas-color-picker__popover {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 30;
  width: 220px;
  padding: 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: rgba(12, 14, 20, 0.96);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
}

.canvas-color-picker__popover--bar {
  top: calc(100% + 8px);
  left: 0;
  right: auto;
}

.canvas-color-picker__popover[hidden] {
  display: none !important;
}

.canvas-color-picker__main {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.canvas-color-picker__preview {
  width: 28px;
  flex-shrink: 0;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.canvas-color-picker__sv {
  position: relative;
  flex: 1;
  height: 120px;
  border-radius: 6px;
  cursor: crosshair;
  touch-action: none;
  background:
    linear-gradient(to top, #000, transparent),
    linear-gradient(to right, #fff, var(--picker-hue, #f00));
}

.canvas-color-picker__sv-handle {
  position: absolute;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

.canvas-color-picker__hue-wrap {
  margin-bottom: 0;
}

.canvas-color-picker__hue {
  width: 100%;
  height: 14px;
  margin: 0;
  padding: 0;
  border-radius: 999px;
  appearance: none;
  -webkit-appearance: none;
  background: linear-gradient(
    to right,
    #f00 0%,
    #ff0 17%,
    #0f0 33%,
    #0ff 50%,
    #00f 67%,
    #f0f 83%,
    #f00 100%
  );
  cursor: pointer;
}

.canvas-color-picker__hue::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: transparent;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
}

.canvas-color-picker__hue::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: transparent;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
}

.canvas-color-picker--inline {
  width: 100%;
  max-width: 340px;
}

.canvas-color-picker--inline .canvas-color-picker__main {
  margin-bottom: 10px;
}

.canvas-color-picker--inline .canvas-color-picker__preview {
  width: 32px;
  min-height: 120px;
}

.canvas-color-picker--inline .canvas-color-picker__hue-wrap {
  margin-bottom: 0;
}

.canvas-color-picker__code-field {
  margin: 0;
}

.canvas-color-picker__code-field .field__label {
  margin-bottom: 6px;
}

.canvas-color-picker-host {
  width: 100%;
}

.canvas-viewport {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  cursor: default;
  touch-action: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--ambient-1), transparent 55%),
    var(--bg);
}

.canvas-viewport--pan {
  cursor: grab;
}

.canvas-viewport--panning {
  cursor: grabbing;
}

.canvas-viewport--card {
  cursor: crosshair;
}

.canvas-viewport--text {
  cursor: text;
}

.canvas-viewport--arrow {
  cursor: cell;
}

.canvas-world {
  position: absolute;
  top: 0;
  left: 0;
  width: 8000px;
  height: 8000px;
  transform-origin: 0 0;
  will-change: transform;
  background-color: var(--bg);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 24px 24px;
}

.canvas-arrows {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.canvas-arrows line {
  stroke: rgba(255, 255, 255, 0.45);
  stroke-width: 2;
}

.canvas-items {
  position: absolute;
  inset: 0;
}

.canvas-item {
  position: absolute;
  z-index: 1;
  min-width: 0;
  cursor: default;
}

.canvas-item--selected {
  z-index: 2;
}

.canvas-item--card {
  box-sizing: border-box;
  padding: 12px 14px 14px;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--canvas-item-color, #60a5fa) 40%, transparent);
  background: color-mix(in srgb, var(--canvas-item-color, #1e40af) 22%, rgba(10, 12, 18, 0.92));
  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 color-mix(in srgb, var(--canvas-item-color, #60a5fa) 20%, transparent);
}

.canvas-item--text {
  padding: 8px 12px;
  min-width: 40px;
  background: transparent;
}

.canvas-item__grip {
  position: absolute;
  top: 4px;
  left: 4px;
  z-index: 2;
  width: 20px;
  height: 20px;
  padding: 0;
  border: none;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.4);
  color: rgba(255, 255, 255, 0.65);
  font-size: 10px;
  line-height: 1;
  letter-spacing: -2px;
  cursor: grab;
  opacity: 0;
  transition: opacity var(--transition), background var(--transition);
}

.canvas-item__grip::before {
  content: "⋮⋮";
}

.canvas-item:hover .canvas-item__grip,
.canvas-item--selected .canvas-item__grip {
  opacity: 1;
}

.canvas-item__grip:hover {
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
}

.canvas-item__grip:active {
  cursor: grabbing;
}

.canvas-item--card .canvas-item__grip {
  top: 8px;
  left: 8px;
}

.canvas-item__resize {
  position: absolute;
  z-index: 3;
  opacity: 0;
  transition: opacity var(--transition);
}

.canvas-item--card:hover .canvas-item__resize,
.canvas-item--card.canvas-item--selected .canvas-item__resize {
  opacity: 1;
}

.canvas-item__resize--n,
.canvas-item__resize--s {
  left: 14px;
  right: 14px;
  height: 8px;
}

.canvas-item__resize--e,
.canvas-item__resize--w {
  top: 14px;
  bottom: 14px;
  width: 8px;
}

.canvas-item__resize--n {
  top: -4px;
  cursor: ns-resize;
}

.canvas-item__resize--s {
  bottom: -4px;
  cursor: ns-resize;
}

.canvas-item__resize--e {
  right: -4px;
  cursor: ew-resize;
}

.canvas-item__resize--w {
  left: -4px;
  cursor: ew-resize;
}

.canvas-item--text .canvas-item__grip {
  top: -6px;
  left: -6px;
}

.canvas-item__delete {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 2;
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.45);
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition), background var(--transition);
}

.canvas-item:hover .canvas-item__delete,
.canvas-item--selected .canvas-item__delete {
  opacity: 1;
}

.canvas-item__delete:hover {
  background: rgba(220, 38, 38, 0.75);
  color: #fff;
}

.canvas-item--text .canvas-item__delete {
  top: -10px;
  right: -10px;
}

.canvas-item__body {
  outline: none;
  min-height: 1.4em;
  word-break: break-word;
  white-space: pre-wrap;
}

.canvas-item--card .canvas-item__body {
  line-height: 1.45;
  padding-right: 18px;
}

.canvas-item--text .canvas-item__body {
  font-weight: 500;
  line-height: 1.35;
}

.canvas-item--card .canvas-item__body:empty::before,
.canvas-item--text .canvas-item__body:empty::before {
  content: attr(data-placeholder);
  color: var(--text-muted);
  pointer-events: none;
}

.canvas-item--arrow-pending {
  outline: 2px dashed color-mix(in srgb, var(--theme-accent) 55%, transparent);
  outline-offset: 3px;
}

.canvas-hint {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--glass-border-soft);
  background: rgba(0, 0, 0, 0.65);
  color: var(--text-muted);
  font-size: 12px;
  pointer-events: none;
  z-index: 3;
}

.canvas-hint[hidden] {
  display: none !important;
}