.extrude-panel[hidden],
.extrude-field[hidden],
.extrude-chain[hidden] {
  display: none !important;
}

.extrude-panel {
  position: absolute;
  z-index: 15;
  top: 58px;
  right: 22px;
  width: min(280px, calc(100% - 32px));
  max-height: calc(100% - 72px);
  overflow-y: auto;
  box-sizing: border-box;
  padding: 14px;
  border: 1px solid #9bb9c9;
  border-radius: 6px;
  background: #f7fafc;
  box-shadow: 0 9px 25px #18374736;
  color: #263e4c;
  font: 12px Arial, sans-serif;
}

.extrude-panel h2 {
  margin: 0;
  font: 700 13px Arial, sans-serif;
  letter-spacing: .06em;
}

.extrude-panel p {
  margin: 8px 0 14px;
  color: #607986;
  line-height: 1.4;
}

.extrude-field {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 8px;
  align-items: center;
  margin: 9px 0;
}

.extrude-field output,
.extrude-field select,
.extrude-number {
  box-sizing: border-box;
  width: 100%;
  min-height: 29px;
  border: 1px solid #adc5d1;
  border-radius: 3px;
  background: #fff;
  color: #254d62;
}

.extrude-field output {
  display: flex;
  align-items: center;
  padding: 0 8px;
  background: #e5f3fb;
}

.extrude-field select {
  padding: 4px 5px;
}

.extrude-number {
  display: flex;
  align-items: center;
  padding: 0 7px;
}

.extrude-number input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: inherit;
  font: inherit;
}

.extrude-number small {
  color: #718d9c;
}

.extrude-chain {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 8px 0;
  color: #3b5968;
  cursor: pointer;
}

.extrude-chain input {
  margin: 0;
  accent-color: #177fa9;
}

.extrude-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 17px;
}

.extrude-actions button {
  min-width: 68px;
  padding: 6px 8px;
  border: 1px solid #8bafc0;
  border-radius: 4px;
  background: white;
  color: #274b5d;
  cursor: pointer;
}

.extrude-actions #extrudeOk {
  background: #177fa9;
  border-color: #177fa9;
  color: white;
}

.extrude-actions #extrudeOk:disabled {
  opacity: .5;
  cursor: default;
}

.model-pane canvas.is-extrude-arrow {
  cursor: grab;
}

.model-pane canvas.is-extrude-arrow-dragging {
  cursor: grabbing;
}

.extrude-hud[hidden],
.extrude-hud [hidden] {
  display: none !important;
}

.extrude-hud {
  position: absolute;
  z-index: 12;
  min-width: 165px;
  padding: 7px 9px;
  border: 1px solid #aac6d5;
  border-radius: 5px;
  background: #f9fcffed;
  box-shadow: 0 3px 12px #23445429;
  color: #38586a;
  font: 11px Arial, sans-serif;
  pointer-events: auto;
}

.extrude-hud>div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 2px 0;
}

.extrude-hud output {
  color: #245c80;
  font-weight: 700;
  white-space: nowrap;
}

.extrude-hud-number {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  color: #245c80;
  font-weight: 700;
}

.extrude-hud-number input {
  box-sizing: border-box;
  width: 74px;
  padding: 2px 3px;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: right;
  outline: none;
}

.extrude-hud-number input:hover,
.extrude-hud-number input:focus {
  border-color: #83b6d2;
  background: #fff;
}

.extrude-hud-number small {
  font-size: inherit;
  font-weight: 400;
}

/* Cut operation styles */
.extrude-panel.is-cut {
  border-color: #f1aeb5;
  box-shadow: 0 9px 25px rgba(220, 53, 69, 0.22);
}

.extrude-panel.is-cut select#extrudeOperation,
select#extrudeOperation.is-cut {
  border-color: #dc3545;
  background-color: #fff5f5;
  color: #c82333;
  font-weight: 700;
}

.extrude-actions #extrudeOk.is-cut {
  background: #dc3545;
  border-color: #dc3545;
  box-shadow: 0 2px 6px rgba(220, 53, 69, 0.35);
}

.extrude-actions #extrudeOk.is-cut:hover:not(:disabled) {
  background: #bd2130;
  border-color: #bd2130;
}

.extrude-hud.is-cut {
  border-color: #f5c2c7;
  background: #fff8f8f0;
  box-shadow: 0 3px 12px rgba(220, 53, 69, 0.25);
}

.extrude-hud.is-cut output {
  color: #dc3545;
}

.extrude-hud.is-cut .extrude-hud-number {
  color: #dc3545;
}

/* Revolve Panel & Controls */
.revolve-axis-btn {
  flex: 1;
  min-height: 28px;
  border: 1px solid #adc5d1;
  border-radius: 4px;
  background: #fff;
  color: #254d62;
  font: 600 11px Inter, Arial, sans-serif;
  cursor: pointer;
  transition: all 0.15s ease;
}

.revolve-axis-btn:hover {
  background: #e2f1fb;
  border-color: #0284c7;
}

.revolve-axis-btn.active {
  background: #0284c7;
  color: #fff;
  border-color: #0284c7;
}

.revolve-chip {
  flex: 1;
  padding: 4px 6px;
  border: 1px solid #d0dee8;
  border-radius: 4px;
  background: #f0f4f8;
  color: #3b5364;
  font: 500 11px Inter, Arial, sans-serif;
  cursor: pointer;
  transition: all 0.12s ease;
}

.revolve-chip:hover {
  background: #e0ecf7;
  border-color: #93b5d1;
  color: #1e3a5f;
}