/* Sign Editor — Fabric.js canvas editor */

.sign-editor {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(360px, 1.2fr);
  grid-template-areas:
    "label label"
    "toolbar canvas"
    "backgrounds canvas"
    "qr canvas"
    "specs canvas"
    "error error";
  gap: 0.75rem 1rem;
  align-items: start;
  margin-bottom: 1.25rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-bg-secondary);
}

.sign-editor-label {
  grid-area: label;
  display: block;
  margin: 0;
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: 0.95rem;
}

.sign-editor-label span {
  color: #b7362f;
}

/* Canvas wrapper — square 1:1 */
.sign-editor-canvas-wrap {
  grid-area: canvas;
  position: relative;
  width: 100%;
  max-width: min(70vw, 760px);
  aspect-ratio: 1 / 1;
  border-radius: 10px;
  border: 2px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 6px 20px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  background: var(--color-bg-secondary);
}

.sign-editor-canvas-wrap canvas {
  display: block;
}

/* Placeholder overlay */
.sign-editor-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  color: var(--color-text-light);
  font-size: 0.95rem;
  text-align: center;
  padding: 1rem;
  transition: opacity var(--transition-fast);
}

.sign-editor-placeholder.hidden {
  opacity: 0;
}

/* Toolbar */
.sign-editor-toolbar {
  grid-area: toolbar;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0;
  align-items: center;
  align-content: flex-start;
  min-height: 3rem;
}

.sign-editor-bg-mode-group {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  padding-right: 0.2rem;
  border-right: 1px solid var(--color-border);
  margin-right: 0.15rem;
}

.sign-editor-bg-mode-btn.active {
  border-color: var(--color-text-primary);
  background: #ecece8;
  font-weight: 600;
}

.sign-editor-bg-inline-control {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.sign-editor-bg-gradient-control {
  gap: 0.35rem;
}

.sign-editor-bg-mode-group-block {
  margin-top: 0.2rem;
}

.sign-editor-bg-mode-thumb {
  width: 56px;
  height: 56px;
  font-size: 0.72rem;
  line-height: 1.1;
}

.sign-editor-bg-control-block {
  margin-top: 0.5rem;
}

.sign-editor-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.sign-editor-btn:hover,
.sign-editor-btn:focus-visible {
  border-color: var(--color-text-primary);
}

.sign-editor-btn:disabled {
  opacity: 0.4;
  cursor: default;
  border-color: var(--color-border);
}

.sign-editor-btn.danger {
  color: #b7362f;
}

.sign-editor-btn.danger:hover:not(:disabled) {
  border-color: #b7362f;
}

.sign-editor-select {
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 0.78rem;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.sign-editor-select:hover,
.sign-editor-select:focus-visible {
  border-color: var(--color-text-primary);
}

.sign-editor-select:disabled {
  opacity: 0.4;
  cursor: default;
}

/* Color input circles */
.sign-editor-color-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.sign-editor-color-wrap label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.sign-editor-color {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  padding: 0;
  cursor: pointer;
  background: none;
  transition: border-color var(--transition-fast);
}

.sign-editor-color:hover,
.sign-editor-color:focus-visible {
  border-color: var(--color-text-primary);
}

.sign-editor-color::-webkit-color-swatch-wrapper {
  padding: 2px;
}

.sign-editor-color::-webkit-color-swatch {
  border: none;
  border-radius: 50%;
}

.sign-editor-color::-moz-color-swatch {
  border: none;
  border-radius: 50%;
}

.sign-editor-color:disabled {
  opacity: 0.4;
  cursor: default;
}

/* Background picker */
.sign-editor-bg-picker {
  grid-area: backgrounds;
  margin-top: 0;
}

.sign-editor-bg-picker-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.sign-editor-bg-row {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

/* Theme group */
.sign-editor-bg-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.sign-editor-bg-group-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sign-editor-bg-group-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.sign-editor-bg-thumb {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 6px;
  border: 2px solid var(--color-border);
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  background: var(--color-bg-secondary);
  transition: border-color var(--transition-fast), opacity var(--transition-fast);
  opacity: 0.7;
}

.sign-editor-bg-thumb:hover,
.sign-editor-bg-thumb:focus-visible {
  border-color: var(--color-text-primary);
  opacity: 1;
}

.sign-editor-bg-thumb.active {
  border-color: var(--color-accent, var(--color-text-primary));
  opacity: 1;
  box-shadow: 0 0 0 2px var(--color-accent, var(--color-text-primary));
}

.sign-editor-bg-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sign-editor-bg-thumb-none {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

/* QR Code Panel */
.sign-editor-qr-panel {
  grid-area: qr;
  margin-top: 0.25rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
}

.sign-editor-qr-heading {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.sign-editor-qr-fields {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sign-editor-qr-field {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sign-editor-qr-field label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  min-width: 72px;
  flex-shrink: 0;
}

.sign-editor-qr-input {
  flex: 1;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-size: 0.78rem;
  transition: border-color var(--transition-fast);
}

.sign-editor-qr-input:focus {
  outline: none;
  border-color: var(--color-text-primary);
}

textarea.sign-editor-qr-input {
  resize: vertical;
  min-height: 2.2rem;
}

.sign-editor-qr-color-section {
  margin-top: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sign-editor-qr-color-pickers {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sign-editor-qr-contrast-warning {
  margin: 0.25rem 0 0;
  padding: 0.35rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: #92400e;
  background: #fef3c7;
  border: 1px solid #fcd34d;
  border-radius: 6px;
}

.sign-editor-qr-generate {
  margin-top: 0.5rem;
  padding: 0.45rem 1.2rem;
  border: none;
  border-radius: 999px;
  background: var(--color-accent, #419482);
  color: #fff;
  font-family: var(--font-primary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.sign-editor-qr-generate:hover {
  background: #3b8575;
}

/* Hidden textarea for fetch interceptor */
.sign-editor-hidden-input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: -1px;
}

.sign-editor .store-specs {
  grid-area: specs;
  margin-bottom: 0;
}

.sign-editor .store-custom-error {
  grid-area: error;
  margin-top: 0;
}

/* Responsive */
@media (max-width: 1100px) {
  .sign-editor {
    grid-template-columns: 1fr;
    grid-template-areas:
      "label"
      "canvas"
      "toolbar"
      "backgrounds"
      "qr"
      "specs"
      "error";
  }

  .sign-editor-canvas-wrap {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .sign-editor {
    padding: 0.8rem;
    gap: 0.65rem;
  }

  .sign-editor-bg-mode-group {
    border-right: 0;
    margin-right: 0;
    padding-right: 0;
    width: 100%;
  }

  .sign-editor-bg-inline-control {
    width: 100%;
    justify-content: flex-start;
  }

  .sign-editor-btn {
    padding: 0.35rem 0.55rem;
    font-size: 0.72rem;
  }

  .sign-editor-select {
    font-size: 0.72rem;
    padding: 0.35rem 0.4rem;
  }

  .sign-editor-bg-thumb {
    width: 50px;
    height: 50px;
  }
}