/* GNM Head Explorer — control panel styling. */

#gnm-panel {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 340px;
  max-height: calc(100% - 24px);
  display: flex;
  flex-direction: column;
  z-index: 5;
  color: #e8ecf4;
  color-scheme: dark; /* dark native widgets: select popups, sliders, checks */
  font-family:
    'Inter',
    system-ui,
    -apple-system,
    sans-serif;
  font-size: 12.5px;
  line-height: 1.45;
  background: rgba(13, 17, 26, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  user-select: none;
}

#gnm-panel.collapsed {
  width: 230px;
}

#gnm-panel.collapsed #gnm-tabs,
#gnm-panel.collapsed #gnm-pages,
#gnm-panel.collapsed #gnm-status,
#gnm-panel.collapsed .gnm-footer,
#gnm-panel.collapsed .gnm-header p {
  display: none;
}

#gnm-panel.collapsed .gnm-header {
  padding: 8px 12px;
}

#gnm-panel .gnm-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px 8px;
}

#gnm-panel .gnm-header h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: 0.02em;
  color: #e8ecf4;
}

#gnm-panel .gnm-header p {
  margin: 1px 0 0;
  font-size: 11px;
  color: #93a0b8;
}

#gnm-collapse {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: #e8ecf4;
  font-size: 15px;
  line-height: 1;
  text-transform: none;
}

#gnm-status {
  min-height: 16px;
  padding: 0 14px 6px;
  font-size: 11px;
  color: #4fe0ae;
}

#gnm-tabs {
  display: flex;
  gap: 2px;
  padding: 0 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

#gnm-tabs button {
  flex: 1;
  padding: 7px 2px;
  font-size: 11px;
  border: none;
  border-bottom: 2px solid transparent;
  background: none;
  color: #93a0b8;
  text-transform: none;
}

#gnm-tabs button.active {
  color: #ffffff;
  border-bottom-color: #4f8ce0;
}

#gnm-pages {
  overflow-y: auto;
  flex: 1;
  scrollbar-width: thin;
  scrollbar-color: #3a4356 transparent;
}

.gnm-page {
  display: none;
  padding: 10px 14px;
}

.gnm-page.active {
  display: block;
}

.gnm-page section {
  margin-bottom: 14px;
}

.gnm-page h2 {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #8fa0bd;
}

.gnm-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 6px 0;
}

.gnm-btn {
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(79, 140, 224, 0.16);
  color: #e8ecf4;
  font-size: 11.5px;
  text-transform: none;
}

.gnm-btn:hover {
  background: rgba(79, 140, 224, 0.34);
}

.gnm-btn.active {
  background: #4f8ce0;
  border-color: #4f8ce0;
  color: #fff;
}

.gnm-btn.ghost {
  background: none;
  border-style: dashed;
  color: #93a0b8;
  width: 100%;
  margin-top: 4px;
}

.gnm-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.gnm-chip {
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.05);
  color: #cfd8e8;
  font-size: 11px;
  text-transform: none;
}

.gnm-chip:hover {
  background: rgba(79, 224, 174, 0.22);
  border-color: rgba(79, 224, 174, 0.6);
}

.gnm-slider {
  display: grid;
  grid-template-columns: 64px 1fr 38px;
  align-items: center;
  gap: 8px;
  padding: 2px 0;
}

.gnm-slider.wide {
  grid-template-columns: 64px 1fr 38px;
}

.gnm-slider span {
  color: #aab6ca;
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gnm-slider output {
  font-size: 10.5px;
  color: #7f8ca3;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.gnm-slider input[type='range'] {
  width: 100%;
  height: 4px;
  accent-color: #4f8ce0;
}

.gnm-slider input[type='range']:disabled {
  opacity: 0.35;
}

.gnm-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0;
  cursor: pointer;
}

.gnm-toggle input {
  accent-color: #4f8ce0;
}

.gnm-selects {
  display: flex;
  gap: 10px;
  margin-bottom: 6px;
}

.gnm-selects label {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
  font-size: 11px;
  color: #93a0b8;
}

.gnm-selects select {
  background: rgba(255, 255, 255, 0.07);
  color: #e8ecf4;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 7px;
  padding: 5px 6px;
  font-size: 12px;
}

.gnm-selects select option {
  background: #131826;
  color: #e8ecf4;
}

.gnm-hint {
  font-size: 11px;
  color: #7f8ca3;
  font-style: italic;
}

#gnm-panel .gnm-footer {
  padding: 8px 14px 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 10.5px;
  color: #7f8ca3;
}

#gnm-panel .gnm-footer a {
  color: #4fa3e0;
}

/* Loading overlay */
#gnm-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  z-index: 20;
  background: radial-gradient(circle at 50% 40%, #141a26, #07090e);
  color: #e8ecf4;
  font-family: 'Inter', system-ui, sans-serif;
}

#gnm-loading h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 650;
}

#gnm-loading p {
  margin: 0;
  color: #93a0b8;
  font-size: 13px;
}

#gnm-loading .bar {
  width: 260px;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

#gnm-loading .bar div {
  height: 100%;
  width: 0%;
  border-radius: 3px;
  background: linear-gradient(90deg, #4f8ce0, #4fe0ae);
  transition: width 0.15s ease-out;
}

@media (max-width: 720px) {
  #gnm-panel {
    width: min(92vw, 340px);
    max-height: 55%;
    top: auto;
    bottom: 10px;
    right: 4vw;
  }
}