/* ── Property Panel ───────────────────────────────────────────── */
.property-panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 340px;
  z-index: 9999;

  background: rgba(11, 11, 20, 0.97);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: -1px 0 0 rgba(255, 255, 255, 0.06), -12px 0 40px rgba(0, 0, 0, 0.6);
  border-left: 1px solid rgba(255, 255, 255, 0.07);

  opacity: 0;
  transform: translateX(12px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.property-panel.panel-visible {
  opacity: 1;
  transform: translateX(0);
  pointer-events: all;
}

.panel-inner {
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 18px 16px;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 16px;
  flex-shrink: 0;
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.title-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-main);
  letter-spacing: 0.02em;
}

.panel-close {
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
  padding: 0;
  line-height: 1;
}

.panel-close:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-main);
}

.panel-content {
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 4px;
  min-height: 0;
  flex: 1;
}

/* Scrollbar */
.panel-content::-webkit-scrollbar { width: 4px; }
.panel-content::-webkit-scrollbar-track { background: transparent; }
.panel-content::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.09);
  border-radius: 10px;
}
.panel-content::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.15); }

/* ── Sections ─────────────────────────────────────────────────── */
.section {
  margin-bottom: 12px;
  padding: 12px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.section-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ── Fields ───────────────────────────────────────────────────── */
.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.field label {
  font-size: 11px;
  color: var(--color-text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.field input {
  width: 100%;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.35);
  color: var(--color-text-main);
  font-size: 12px;
  font-family: var(--font-main);
  outline: none;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  box-sizing: border-box;
  line-height: 1.4;
}

.field input:hover {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.4);
}

.field input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(94, 106, 210, 0.15);
  background: rgba(0, 0, 0, 0.5);
}

.field input[readonly] {
  background: rgba(0, 0, 0, 0.15);
  color: var(--color-text-disabled);
  border-color: rgba(255, 255, 255, 0.04);
  cursor: not-allowed;
}

.field select {
  width: 100%;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.35);
  color: var(--color-text-main);
  font-size: 12px;
  font-family: var(--font-main);
  outline: none;
  transition: border-color 0.15s;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364647e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
}

.field select:hover { border-color: rgba(255, 255, 255, 0.12); }

.field select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(94, 106, 210, 0.15);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* ── Port List ────────────────────────────────────────────────── */
.port-group { margin-top: 6px; }

.port-group-title {
  font-size: 10px;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.port-item {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.2);
  margin-bottom: 3px;
}

.port-icon {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.port-icon.exec {
  background: #22c55e;
  border-radius: 1px;
}

.port-icon.data {
  background: var(--color-primary);
}

.port-name {
  flex: 1;
  font-size: 11px;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.port-type {
  font-size: 9px;
  color: var(--color-text-muted);
  padding: 1px 5px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
}

/* ── Panel Actions ────────────────────────────────────────────── */
.panel-actions {
  display: flex;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: 14px;
  flex-shrink: 0;
}

.panel-actions button {
  flex: 1;
  padding: 9px 14px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid transparent;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 2px 10px rgba(94, 106, 210, 0.35);
}

.btn-primary:active {
  background: var(--color-primary-active);
  transform: translateY(1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text-dim);
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-secondary);
}

/* ── Property widget: Custom Select ──────────────────────────── */
.prop-select-wrap {
  position: relative;
  user-select: none;
}

.prop-select-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.35);
  color: var(--color-text-main);
  font-size: 12px;
  font-family: var(--font-main);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
  box-sizing: border-box;
}

.prop-select-btn:hover {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.4);
}

.prop-select-wrap.prop-select-open .prop-select-btn {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(94, 106, 210, 0.15);
}

.prop-select-wrap.prop-select-disabled .prop-select-btn {
  opacity: 0.4;
  cursor: not-allowed;
}

.prop-select-arrow {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  color: rgba(255, 255, 255, 0.35);
  transition: transform 0.15s;
}

.prop-select-wrap.prop-select-open .prop-select-arrow {
  transform: rotate(180deg);
}

.prop-select-menu {
  display: none;
  position: absolute;
  top: calc(100% + 3px);
  left: 0;
  right: 0;
  z-index: 200;
  background: #16182a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  max-height: 180px;
  overflow-y: auto;
}

.prop-select-wrap.prop-select-open .prop-select-menu {
  display: block;
}

.prop-select-item {
  padding: 8px 10px;
  font-size: 12px;
  font-family: var(--font-main);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}

.prop-select-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-main);
}

.prop-select-item.selected {
  color: var(--color-primary);
  background: rgba(94, 106, 210, 0.08);
}

/* ── Property widget: Slider ──────────────────────────────────── */
.prop-slider-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.prop-slider-wrap input[type="range"] {
  flex: 1;
  height: 4px;
  padding: 0;
  border: none;
  background: transparent;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.prop-slider-val {
  min-width: 36px;
  text-align: right;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

/* ── Property widget: Toggle ──────────────────────────────────── */
.prop-toggle {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.prop-toggle input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.prop-toggle-track {
  position: relative;
  width: 34px;
  height: 18px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.15s;
  flex-shrink: 0;
}

.prop-toggle-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: transform 0.15s, background 0.15s;
}

.prop-toggle input:checked + .prop-toggle-track {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.prop-toggle input:checked + .prop-toggle-track::after {
  transform: translateX(16px);
  background: #fff;
}

/* ── Property widget: Color ───────────────────────────────────── */
.field input[type="color"] {
  padding: 2px 4px;
  height: 32px;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

/* ── Property widget: Textarea ────────────────────────────────── */
.field textarea {
  width: 100%;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.35);
  color: var(--color-text-main);
  font-size: 12px;
  font-family: var(--font-mono);
  outline: none;
  resize: vertical;
  box-sizing: border-box;
  transition: border-color 0.15s;
}

.field textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(94, 106, 210, 0.15);
}

/* ── Property widget: Radio Group ─────────────────────────────── */
.prop-radio-group,
.prop-checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.prop-radio-item,
.prop-checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  user-select: none;
  transition: background 0.12s;
}

.prop-radio-item:hover,
.prop-checkbox-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.prop-radio-item input[type="radio"],
.prop-checkbox-item input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

/* Radio mark — circle */
.prop-radio-mark {
  position: relative;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.3);
  flex-shrink: 0;
  transition: border-color 0.15s, background 0.15s;
}

.prop-radio-mark::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: transparent;
  transition: background 0.15s, transform 0.15s;
  transform: scale(0);
}

.prop-radio-item input:checked + .prop-radio-mark {
  border-color: var(--color-primary);
}

.prop-radio-item input:checked + .prop-radio-mark::after {
  background: var(--color-primary);
  transform: scale(1);
}

.prop-radio-item input:disabled + .prop-radio-mark {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Checkbox mark — rounded square */
.prop-checkbox-mark {
  position: relative;
  width: 16px;
  height: 16px;
  border-radius: 3px;
  border: 2px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.3);
  flex-shrink: 0;
  transition: border-color 0.15s, background 0.15s;
}

.prop-checkbox-mark::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 4px;
  width: 4px;
  height: 8px;
  border: solid transparent;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: border-color 0.15s, transform 0.15s;
}

.prop-checkbox-item input:checked + .prop-checkbox-mark {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.prop-checkbox-item input:checked + .prop-checkbox-mark::after {
  border-color: #fff;
  transform: rotate(45deg) scale(1);
}

.prop-checkbox-item input:disabled + .prop-checkbox-mark {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Shared text label */
.prop-radio-text,
.prop-checkbox-text {
  font-size: 12px;
  color: var(--color-text-secondary);
  font-family: var(--font-main);
  transition: color 0.12s;
}

.prop-radio-item:hover .prop-radio-text,
.prop-checkbox-item:hover .prop-checkbox-text {
  color: var(--color-text-main);
}