/* --- Signal Card inside Inspector --- */
#inspector-content #scene-props .signal-field,
#inspector-content #element-form .signal-field,
#inspector-content .signal-card,
.signal-card {
  display: flex !important;
  flex-direction: column !important;
  gap: 8px !important;
  padding: 12px 14px !important;
  margin: 10px 0 !important;
  background: var(--n-0) !important;
  border: 1px solid var(--n-200) !important;
  border-radius: var(--r-md) !important;
  box-shadow: var(--sh-1) !important;
  grid-template-columns: none !important;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

#inspector-content .signal-card:hover,
#inspector-content .signal-field:hover {
  border-color: var(--n-400) !important;
  box-shadow: var(--sh-2) !important;
}

.signal-card-head {
  display: flex !important;
  align-items: flex-start !important;
  justify-content: space-between !important;
  gap: 8px !important;
  width: 100% !important;
}

.signal-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.signal-role-title {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--n-800);
  letter-spacing: -0.2px;
}

.signal-card-hint {
  font-size: var(--fs-xs);
  color: var(--n-600);
  line-height: 1.35;
}

.signal-card-badge {
  font-size: var(--fs-2xs);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: var(--r-sm);
  white-space: nowrap;
  background: var(--n-50);
  color: var(--n-700);
  border: 1px solid var(--n-200);
}

/* --- Variable Trigger Button --- */
#inspector-content .variable-trigger,
.variable-trigger {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  width: 100% !important;
  padding: 8px 10px !important;
  border-radius: var(--r-sm) !important;
  background: var(--n-25) !important;
  border: 1px solid var(--n-200) !important;
  cursor: pointer !important;
  text-align: left !important;
  transition: all 0.15s ease !important;
  min-height: 52px !important;
}

.variable-trigger:hover:not(:disabled) {
  background: var(--n-50);
  border-color: var(--accent-400);
  box-shadow: var(--sh-2);
}

.variable-trigger:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.variable-trigger.unassigned {
  border-style: dashed;
  background: var(--n-0);
  border-color: var(--n-300);
}

.variable-trigger.unassigned:hover:not(:disabled) {
  border-color: var(--accent-400);
  background: var(--n-25);
}

.var-addr-pill {
  font: var(--fs-sm) var(--font-mono);
  font-weight: 700;
  padding: 5px 8px;
  border-radius: var(--r-sm);
  letter-spacing: 0.5px;
  flex-shrink: 0;
  text-align: center;
  min-width: 58px;
}

.var-addr-pill.input {
  background: var(--accent-50);
  color: var(--accent-600);
  border: 1px solid var(--accent-200);
}

.var-addr-pill.output {
  background: var(--n-100);
  color: var(--accent-600);
  border: 1px solid var(--n-300);
}

.var-addr-pill.mem {
  background: var(--accent-50);
  color: var(--accent-600);
  border: 1px solid var(--accent-100);
}

.var-addr-pill.spec {
  background: var(--warn-bg);
  color: var(--warn-ink);
  border: 1px solid var(--warn-line);
}

.var-addr-pill.empty {
  background: var(--n-50);
  color: var(--n-600);
  border: 1px dashed var(--n-300);
}

.var-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
  min-width: 0;
}

.var-name-display {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--n-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.var-text-wrap small {
  font-size: var(--fs-xs);
  color: var(--n-600);
}

.var-meta-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.chip-pin {
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 1px 7px;
  border-radius: var(--r-sm);
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.chip-pin.physical {
  background: var(--ok-bg);
  color: var(--ok-ink);
  border: 1px solid var(--ok-line);
}

.chip-pin.virtual {
  background: var(--n-100);
  color: var(--n-600);
  border: 1px solid var(--n-200);
}

.var-change-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--n-600);
  border-radius: var(--r-sm);
  flex-shrink: 0;
}
.variable-trigger:hover .var-change-btn { background: var(--n-100); color: var(--accent-600); }

.var-chevron {
  font-size: var(--fs-lg);
  color: var(--n-600);
}

/* --- Quick inline controls under trigger --- */
#inspector-content .variable-quick-bar,
.variable-quick-bar {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 10px !important;
  padding-top: 8px !important;
  border-top: 1px solid var(--n-150) !important;
  margin-top: 2px !important;
  width: 100% !important;
}

.quick-input-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.quick-field-label {
  font-size: var(--fs-2xs);
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--n-600);
}

.quick-name-input {
  width: 100%;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--n-800);
  padding: 5px 8px;
  border: 1px solid var(--n-300);
  border-radius: var(--r-sm);
  background: var(--n-0);
  transition: border-color 0.15s ease;
}

.quick-name-input:focus {
  border-color: var(--accent-400);
  outline: none;
  background: var(--n-25);
}

.quick-pin-select {
  width: 100%;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--n-800);
  padding: 5px 6px;
  border: 1px solid var(--n-300);
  border-radius: var(--r-sm);
  background: var(--n-0);
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.quick-pin-select:focus {
  border-color: var(--accent-400);
  outline: none;
}

/* --- Modal Isolation & Stacking Protection --- */
dialog:not([open]) {
  display: none !important;
}

dialog[open],
dialog:modal {
  z-index: 999990 !important;
  isolation: isolate;
}
dialog::backdrop {
  z-index: 999980 !important;
}

/* --- E/S Board & Pin Mapping Dialog Improvements --- */
#mapping-dialog:not([open]) {
  display: none !important;
}

#mapping-dialog[open] {
  position: fixed !important;
  inset: 0 !important;
  margin: auto !important;
  z-index: 999999 !important;
  width: min(1140px, calc(100vw - 28px));
  max-width: 1140px;
  max-height: 90vh;
  display: flex !important;
  flex-direction: column;
  padding: 0;
  border-radius: var(--r-md);
  background: var(--n-0) !important;
  border: 1px solid var(--n-300);
  box-shadow: var(--sh-3);
  overflow: hidden;
  isolation: isolate;
}

#mapping-dialog::backdrop {
  position: fixed !important;
  inset: 0 !important;
  z-index: 999998 !important;
  background: color-mix(in srgb, var(--n-950) 72%, transparent) !important;
  backdrop-filter: blur(5px);
}

#mapping-dialog .dialog-heading {
  position: relative !important;
  z-index: 20 !important;
  padding: 16px 24px;
  background: var(--n-0) !important;
  border-bottom: 1px solid var(--n-200);
  margin-bottom: 0;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#mapping-dialog .dialog-heading h2 {
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--n-800);
  letter-spacing: -0.4px;
  margin: 4px 0 0;
}

#mapping-dialog .board-layout {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 24px;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  background: var(--n-25);
}

#mapping-dialog .board-info {
  background: var(--n-0) !important;
  border: 1px solid var(--n-300) !important;
  border-right: 1px solid var(--n-300) !important;
  border-radius: var(--r-md);
  padding: 18px !important;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--sh-2);
}

.pin-capacity-card {
  padding: 14px;
  background: var(--n-50);
  border: 1px solid var(--n-200);
  border-radius: var(--r-md);
}

.pin-capacity-metric {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 8px;
}

.pin-capacity-numbers {
  display: flex;
  align-items: baseline;
  gap: 3px;
}

.cap-big {
  font-size: var(--fs-5xl);
  font-weight: 800;
  color: var(--accent-600);
  letter-spacing: -0.8px;
}

.cap-sep {
  font-size: var(--fs-2xl);
  color: var(--n-600);
}

.cap-total {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--n-600);
}

.cap-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--n-600);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.pin-capacity-meter-wrap {
  width: 100%;
  height: 10px;
  background: var(--n-200);
  border-radius: var(--r-sm);
  overflow: hidden;
  margin-bottom: 8px;
}

.pin-capacity-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-400), var(--accent-on-dark));
  border-radius: var(--r-sm);
  transition: width 0.3s ease;
}

.pin-capacity-sub {
  font-size: var(--fs-sm);
  color: var(--n-700);
  margin-bottom: 4px;
}

.pin-capacity-note {
  font-size: var(--fs-2xs);
  color: var(--n-600);
  line-height: 1.4;
  display: block;
}

.mapping-tools-bar {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 12px;
  margin-bottom: 12px;
}

.tools-search-wrap, .tools-filter-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tools-search-wrap label, .tools-filter-wrap label {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--n-600);
}

.tools-search-wrap input, .tools-filter-wrap select {
  padding: 8px 10px;
  border: 1px solid var(--n-300);
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  background: var(--n-0);
}

#mapping-dialog .table-scroll {
  border: 1px solid var(--n-300);
  border-radius: var(--r-md);
  background: var(--n-0);
  max-height: 48vh;
  overflow-y: auto;
  overflow-x: auto;
  min-width: 0;
}

#mapping-dialog table {
  width: 100%;
  min-width: 680px;
  font-size: var(--fs-sm);
  border-collapse: collapse;
}

#mapping-dialog th {
  position: sticky;
  top: 0;
  background: var(--n-50);
  padding: 10px 12px;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--n-700);
  text-align: left;
  border-bottom: 1px solid var(--n-300);
  z-index: 2;
  white-space: nowrap;
}

#mapping-dialog td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--n-150);
  vertical-align: middle;
}

#mapping-dialog th:nth-child(1), #mapping-dialog td:nth-child(1) {
  width: 88px;
  min-width: 82px;
}
#mapping-dialog th:nth-child(2), #mapping-dialog td:nth-child(2) {
  min-width: 175px;
}
#mapping-dialog th:nth-child(3), #mapping-dialog td:nth-child(3) {
  width: 165px;
  min-width: 155px;
}
#mapping-dialog th:nth-child(4), #mapping-dialog td:nth-child(4) {
  width: 205px;
  min-width: 195px;
}
#mapping-dialog th:nth-child(5), #mapping-dialog td:nth-child(5) {
  width: 38px;
  text-align: center;
}

#mapping-dialog input[data-field="address"] {
  width: 100%;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-sm);
  text-align: center;
  background: var(--n-50);
  color: var(--n-800);
  border: 1px solid var(--n-300);
  border-radius: var(--r-sm);
  padding: 5px 6px;
  min-height: 32px;
}

#mapping-dialog input[data-field="name"] {
  width: 100%;
  min-width: 165px;
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--n-800);
  border: 1px solid var(--n-300);
  border-radius: var(--r-sm);
  padding: 6px 10px;
  min-height: 32px;
}

#mapping-dialog select[data-field="pin"] {
  width: 100%;
  min-width: 150px;
  font-size: var(--fs-sm);
  color: var(--n-800);
  border: 1px solid var(--n-300);
  border-radius: var(--r-sm);
  padding: 5px 8px;
  min-height: 32px;
  background: var(--n-0);
}

#mapping-dialog select[data-field="wiring"] {
  width: 100%;
  min-width: 190px;
  font-size: var(--fs-sm);
  color: var(--n-800);
  border: 1px solid var(--n-300);
  border-radius: var(--r-sm);
  padding: 5px 8px;
  min-height: 32px;
  background: var(--n-0);
}

.wiring-na {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 28px;
  padding: 2px 10px;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--n-600);
  background: var(--n-50);
  border-radius: var(--r-sm);
  border: 1px dashed var(--n-300);
  user-select: none;
}

#mapping-dialog td button {
  width: 28px;
  height: 28px;
  min-height: 28px;
  padding: 0;
  font-size: var(--fs-lg);
  line-height: 1;
  border-radius: var(--r-sm);
  border: 1px solid var(--n-200);
  background: var(--n-50);
  color: var(--accent-500);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#mapping-dialog td button:hover:not(:disabled) {
  background: var(--fault-bg);
  color: var(--fault);
  border-color: var(--fault-line);
}

#mapping-dialog tr[data-binding="physical"] td:first-child {
  border-left: 3px solid var(--accent-400);
}

#mapping-dialog .dialog-actions {
  padding: 14px 24px;
  background: var(--n-0);
  border-top: 1px solid var(--n-300);
  margin-top: 0;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex-shrink: 0;
}

/* --- Topbar Layout Protection --- */
.studio-shell .topbar .project-heading {
  flex: 0 1 auto;
  max-width: 220px;
  min-width: 0;
  overflow: hidden;
}

.studio-shell .topbar .project-heading input {
  max-width: 160px;
  font-size: var(--fs-md);
  height: 28px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- Practices Modal & Cards --- */
.practices-dialog:not([open]) {
  display: none !important;
}

.practices-dialog[open] {
  width: min(980px, calc(100vw - 28px));
  max-width: 980px;
  max-height: 88vh;
  display: flex !important;
  flex-direction: column;
  padding: 0;
  border-radius: var(--r-md);
  background: var(--n-25);
  border: 1px solid var(--n-300);
  box-shadow: var(--sh-3);
  overflow: hidden;
}

.practices-dialog::backdrop {
  background: color-mix(in srgb, var(--n-950) 65%, transparent);
  backdrop-filter: blur(5px);
}

.practices-dialog .dialog-heading {
  padding: 18px 24px 14px;
  background: var(--n-0);
  border-bottom: 1px solid var(--n-200);
  flex-shrink: 0;
}

.practices-download-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px 24px;
  background: var(--n-50);
  border-bottom: 1px solid var(--n-200);
  flex-shrink: 0;
}

.practices-grid {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 18px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.practice-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
  background: var(--n-0);
  border: 1px solid var(--n-300);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  transition: all 0.15s ease;
}

.practice-card:hover {
  border-color: var(--accent-400);
  box-shadow: var(--sh-2);
  transform: translateY(-1px);
}

.practice-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.practice-card-num {
  font: var(--fs-xl) var(--font-mono);
  font-weight: 800;
  color: var(--accent-600);
}

.practice-card-level {
  font-size: var(--fs-2xs);
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: var(--r-sm);
  background: var(--n-100);
  color: var(--accent-600);
  border: 1px solid var(--accent-100);
}

.practice-card-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--n-800);
  margin: 0;
}

.practice-card-goal {
  font-size: var(--fs-xs);
  color: var(--n-600);
  line-height: 1.4;
  margin: 0;
  flex: 1;
}

.practice-card-actions {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.button-load-practice {
  flex: 1;
  font-size: var(--fs-xs) !important;
  font-weight: 700 !important;
  padding: 6px 10px !important;
  text-align: center;
}

.button-practice-mission {
  background: var(--n-100) !important;
  color: var(--accent-700) !important;
  border: 1px solid var(--accent-200) !important;
  font-size: var(--fs-xs) !important;
  font-weight: 700 !important;
  padding: 6px 8px !important;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.button-practice-mission:hover {
  background: var(--accent-700) !important;
  color: var(--n-0) !important;
  border-color: var(--accent-700) !important;
}

.active-practice-pill {
  background: var(--n-100) !important;
  color: var(--accent-700) !important;
  border: 1px solid var(--accent-200) !important;
  font-size: var(--fs-xs) !important;
  font-weight: 700 !important;
  border-radius: var(--r-md) !important;
  padding: 3px 10px !important;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
}

.active-practice-pill:hover {
  background: var(--accent-700) !important;
  color: var(--n-0) !important;
  border-color: var(--accent-700) !important;
}

/* Detail Modal */
.practice-detail-dialog:not([open]) {
  display: none !important;
}

.practice-detail-dialog[open] {
  width: min(880px, calc(100vw - 28px));
  max-width: 880px;
  max-height: 88vh;
  display: flex !important;
  flex-direction: column;
  padding: 0;
  border-radius: var(--r-md);
  background: var(--n-25);
  border: 1px solid var(--n-300);
  box-shadow: var(--sh-3);
  overflow: hidden;
}

.practice-detail-dialog::backdrop {
  background: color-mix(in srgb, var(--n-950) 65%, transparent);
  backdrop-filter: blur(5px);
}

.practice-detail-dialog .dialog-heading {
  padding: 16px 24px 12px;
  background: var(--n-0);
  border-bottom: 1px solid var(--n-200);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.practice-detail-badges {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.practice-detail-badges .badge-level {
  font-size: var(--fs-2xs);
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--r-sm);
  background: var(--n-100);
  color: var(--accent-700);
}

.practice-detail-badges .badge-time {
  font-size: var(--fs-2xs);
  font-family: var(--font-mono);
  color: var(--n-600);
}

.practice-detail-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 24px;
  background: var(--n-50);
  border-bottom: 1px solid var(--n-200);
}

.practice-detail-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 20px 24px 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.practice-detail-scroll > * { flex-shrink: 0; min-width: 0; }
.practice-detail-scroll .table-responsive { width: 100%; overflow-x: auto; }
.practice-detail-scroll .practice-signals-table { min-width: 500px; }

.practice-mission-box {
  background: linear-gradient(135deg, var(--n-50) 0%, var(--n-50) 100%);
  border: 1px solid var(--accent-200);
  border-left: 5px solid var(--accent-700);
  border-radius: var(--r-md);
  padding: 16px 18px;
}

.mission-box-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--accent-700);
  font-size: var(--fs-lg);
}

.mission-box-text {
  font-size: var(--fs-md);
  line-height: 1.6;
  color: var(--accent-700);
  margin: 0;
}

.practice-detail-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.practice-detail-block h4 {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--n-800);
  margin: 0;
}

.detail-block-desc {
  font-size: var(--fs-sm);
  color: var(--n-600);
  margin: 0;
}

.practice-signals-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

.practice-signals-table th {
  background: var(--n-50);
  padding: 8px 12px;
  text-align: left;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  color: var(--n-800);
  border-bottom: 1px solid var(--n-300);
}

.practice-signals-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--n-150);
  vertical-align: top;
}

.practice-signals-table code {
  font-family: var(--font-mono);
  font-weight: 700;
  background: var(--n-100);
  padding: 2px 5px;
  border-radius: var(--r-xs);
  color: var(--n-800);
}

.detail-setup-list,
.detail-req-list,
.detail-steps-list,
.detail-checks-list,
.detail-questions-list {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: var(--fs-sm);
  color: var(--n-800);
  line-height: 1.5;
}

.practice-detail-dialog .dialog-foot {
  padding: 12px 24px;
  background: var(--n-0);
  border-top: 1px solid var(--n-200);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Responsive */
@media (max-width: 768px) {
  #mapping-dialog .board-layout {
    grid-template-columns: 1fr;
  }
  .variable-quick-bar {
    grid-template-columns: 1fr;
  }
  .practices-grid {
    grid-template-columns: 1fr;
  }
}