/* GP8-styled dark toolbar chrome for the MusicXML viewer widget.
   Scoped under .gp-app so the rest of the (light-themed) site is untouched. */

.gp-app {
  --gp-bg: #1c1e22;
  --gp-bg-raised: #26292f;
  --gp-border: #383c44;
  --gp-text: #e8e6e3;
  --gp-text-muted: #9a9fa8;
  --gp-accent: #d3714a;
  --gp-accent-hover: #e08256;

  background: var(--gp-bg);
  border: 1px solid var(--gp-border);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: var(--shadow);
}

.gp-toolbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 8px 12px;
  margin-bottom: 12px;
  background: var(--gp-bg-raised);
  border: 1px solid var(--gp-border);
  border-radius: calc(var(--radius) - 4px);
}

.gp-toolbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.gp-toolbar-divider {
  width: 1px;
  align-self: stretch;
  background: var(--gp-border);
}

.gp-toolbar-spacer {
  flex: 1;
}

.gp-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--gp-border);
  background: transparent;
  color: var(--gp-text);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.gp-icon-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--gp-text-muted);
}

.gp-icon-btn:active:not(:disabled) {
  transform: scale(0.94);
}

.gp-icon-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.gp-icon-btn--primary {
  background: var(--gp-accent);
  border-color: var(--gp-accent);
  color: #fff;
}

.gp-icon-btn--primary:hover:not(:disabled) {
  background: var(--gp-accent-hover);
  border-color: var(--gp-accent-hover);
}

.gp-toggle-btn {
  width: auto;
  padding: 0 14px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: 0.3px;
}

.gp-toggle-btn[aria-pressed="true"] {
  background: var(--gp-accent);
  border-color: var(--gp-accent);
  color: #fff;
}

.gp-status-text {
  font-size: 0.8rem;
  color: var(--gp-text-muted);
  white-space: nowrap;
}

.gp-field {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.gp-field-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gp-text-muted);
}

.gp-bpm-input,
.gp-select {
  background: var(--gp-bg);
  border: 1px solid var(--gp-border);
  border-radius: 6px;
  color: var(--gp-text);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 8px 10px;
}

.gp-bpm-input {
  width: 4.5em;
  text-align: center;
}

.gp-bpm-input:focus,
.gp-select:focus {
  outline: none;
  border-color: var(--gp-accent);
}

.gp-sheet {
  background: #ffffff;
  border-radius: calc(var(--radius) - 4px);
}

.gp-panel-divider {
  height: 1px;
  background: var(--gp-border);
  margin: 20px 0;
}

.gp-convert h2,
.gp-convert h3 {
  font-family: var(--font-display);
  margin: 0 0 4px;
}

.gp-panel-title {
  font-size: 1.3rem;
}

.gp-panel-sub {
  color: var(--gp-text-muted);
  margin: 0 0 16px;
  font-size: 0.9rem;
}

.gp-dropzone {
  border: 2px dashed var(--gp-border);
  border-radius: 8px;
  padding: 32px;
  text-align: center;
  color: var(--gp-text-muted);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.gp-dropzone:hover,
.gp-dropzone:focus-visible {
  border-color: var(--gp-accent);
  outline: none;
}

.gp-dropzone.dragover {
  border-color: var(--gp-accent);
  background: rgba(211, 113, 74, 0.08);
}

.gp-error-text {
  color: #e07856;
  font-size: 0.85rem;
  margin: 8px 0 0;
}

.gp-summary,
.gp-assignment,
.gp-export {
  margin-top: 20px;
}

.gp-summary-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 16px;
  margin: 0 0 16px;
  color: var(--gp-text);
}

.gp-summary-grid dt {
  color: var(--gp-text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.gp-summary-grid dd {
  margin: 0;
  font-size: 0.9rem;
}

.gp-assignment-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.gp-assignment-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gp-assignment-row .gp-field-label {
  min-width: 90px;
}

.gp-assignment-input {
  flex: 1;
}

.gp-checkbox-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--gp-text);
}

.gp-checkbox-row label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.gp-btn {
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--gp-border);
  background: transparent;
  color: var(--gp-text);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.gp-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--gp-text-muted);
}

.gp-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.gp-btn--primary {
  background: var(--gp-accent);
  border-color: var(--gp-accent);
  color: #fff;
}

.gp-btn--primary:hover:not(:disabled) {
  background: var(--gp-accent-hover);
  border-color: var(--gp-accent-hover);
}

@media (max-width: 640px) {
  .gp-toolbar {
    justify-content: center;
  }

  .gp-toolbar-spacer {
    flex-basis: 100%;
    height: 0;
  }
}