/* Visual programming view */

body.view-visual-active {
  overflow: hidden;
}

.app-view--visual {
  display: flex;
  flex-direction: column;
  height: calc(100dvh - var(--header-height, 72px));
  min-height: 0;
  background: var(--bg, #0b0f14);
}

.app-view--visual[hidden] {
  display: none !important;
}

.btn-visual-coding {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  margin-top: 0.65rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.12), rgba(56, 189, 248, 0.04));
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.btn-visual-coding:hover {
  border-color: #38bdf8;
}

.btn-visual-coding img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.visual-toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.visual-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  flex: 0 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.visual-toolbar-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  flex: 1;
}

.visual-toolbar-files {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
  margin-left: auto;
}

.btn-visual-back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  flex-shrink: 0;
}

.btn-visual-back:hover {
  border-color: #64748b;
  background: rgba(255, 255, 255, 0.04);
}

.btn-visual-mode {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-width: 7.5rem;
  padding: 0.5rem 0.9rem;
  border-radius: 10px;
  border: 2px solid #38bdf8;
  background: rgba(56, 189, 248, 0.14);
  color: #e0f2fe;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.btn-visual-mode__label {
  white-space: nowrap;
}

.btn-visual-mode[data-state="running"] {
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.18);
  color: #fecaca;
  box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.45);
  animation: visual-mode-running-pulse 1.4s ease-in-out infinite;
}

.btn-visual-mode[data-state="aborted"] {
  border-color: #f59e0b;
  background: rgba(245, 158, 11, 0.16);
  color: #fde68a;
}

.btn-visual-mode[data-state="editing"] {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.14);
  color: #bae6fd;
}

.btn-visual-mode:hover {
  filter: brightness(1.08);
}

@keyframes visual-mode-running-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.35); }
  50% { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0); }
}

.visual-toolbar-actions {
  display: flex;
  gap: 0.4rem;
  flex-shrink: 0;
}

.visual-toolbar-actions--primary {
  display: flex;
  gap: 0.4rem;
}

.btn-visual-action--file {
  background: rgba(148, 163, 184, 0.1);
  color: #cbd5e1;
  border-color: rgba(148, 163, 184, 0.32);
  font-weight: 500;
}

.btn-visual-action--file:hover {
  background: rgba(148, 163, 184, 0.16);
  border-color: rgba(203, 213, 225, 0.42);
  color: #e2e8f0;
}

.btn-visual-action__icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  object-fit: contain;
}

.btn-visual-action--file .btn-visual-action__icon {
  filter: brightness(0) invert(0.82);
  opacity: 0.9;
}

.btn-visual-action__icon--samples {
  width: 1.35rem;
  height: 1.35rem;
  filter: none;
  opacity: 1;
}

.btn-visual-action--samples {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.24), rgba(167, 139, 250, 0.28));
  border-color: #67e8f9;
  color: #f0f9ff;
  font-weight: 600;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.btn-visual-action--samples:hover {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.34), rgba(167, 139, 250, 0.38));
  border-color: #38bdf8;
  color: #fff;
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.15);
}

.btn-visual-action {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(56, 189, 248, 0.12);
  color: #7dd3fc;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-visual-run-icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.btn-visual-action--run .btn-visual-run-icon--stop {
  display: none;
}

.btn-visual-action--run.is-running .btn-visual-run-icon--play {
  display: none;
}

.btn-visual-action--run.is-running .btn-visual-run-icon--stop {
  display: block;
}

.btn-visual-run-icon--play {
  color: #22c55e;
}

.btn-visual-run-icon--stop {
  color: #fca5a5;
}

.btn-visual-action--run.is-running {
  background: rgba(239, 68, 68, 0.15);
  border-color: #ef4444;
  color: #fca5a5;
}

.btn-visual-action--muted {
  background: transparent;
  color: var(--muted);
}

.visual-body {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  flex: 1;
  min-height: 0;
}

.visual-workspace-pane {
  position: relative;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.visual-blockly-area {
  position: relative;
  flex: 1;
  min-height: 0;
}

.visual-loading {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg, #0b0f14);
}

.visual-loading[hidden] {
  display: none !important;
}

.visual-loading-text {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.visual-loading-dots {
  display: inline-block;
  min-width: 1.25em;
  text-align: left;
}

#visual-blockly-div {
  position: absolute;
  inset: 0;
}

/* Blockly toolbox — undo / redo above categories */
.blockly-toolbox-undo-bar {
  display: flex;
  gap: 0.35rem;
  padding: 0.4rem 0.45rem 0.55rem;
  margin-bottom: 0.15rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.22);
  position: sticky;
  top: 0;
  z-index: 2;
  background: #1a2332;
}

.blockly-toolbox-undo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  min-width: 0;
  padding: 0.4rem 0.2rem;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.55);
  color: #ff0c0c;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, opacity 0.15s;
}
.blockly-toolbox-redo-btn {
  color: #91ff00 !important;
}

.blockly-toolbox-undo-btn[data-action="undo"] {
  flex: 3;
}

.blockly-toolbox-undo-btn[data-action="redo"] {
  flex: 1;
}

.blockly-toolbox-undo-btn:hover:not(:disabled) {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
}

.blockly-toolbox-undo-btn:disabled {
  opacity: 0.38;
  cursor: default;
}

.blockly-toolbox-undo-btn span[aria-hidden="true"] {
  font-size: 0.95rem;
  line-height: 1;
}

.blockly-toolbox-undo-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.visual-side-pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  border-left: 1px solid var(--border);
  background: #0f1419;
}

.visual-side-tabs {
  display: flex;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}

.visual-side-tab {
  flex: 1;
  padding: 0.5rem 0.4rem;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
}

.visual-side-tab.active {
  color: #7dd3fc;
  border-bottom-color: #38bdf8;
}

.visual-tab-panel {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
}

.visual-tab-panel[hidden] {
  display: none !important;
}

.visual-code-toolbar {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.5);
}

.visual-code-toolbar-actions {
  display: flex;
  gap: 0.4rem;
  align-items: stretch;
}

.visual-code-open-cide {
  flex: 1;
  min-width: 0;
  padding: 0.4rem 0.65rem;
  border: 1px solid #334155;
  border-radius: 6px;
  background: rgba(74, 222, 128, 0.08);
  color: #86efac;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.visual-code-open-cide:hover:not(:disabled) {
  background: rgba(74, 222, 128, 0.16);
  border-color: #4ade80;
}

.visual-code-open-cide:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.visual-code-js-btn {
  flex-shrink: 0;
  padding: 0.4rem 0.55rem;
  border: 1px solid #334155;
  border-radius: 6px;
  background: rgba(56, 189, 248, 0.06);
  color: #7dd3fc;
  font: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.visual-code-js-btn:hover {
  background: rgba(56, 189, 248, 0.14);
  border-color: #38bdf8;
}

.visual-code-panels {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.visual-code-editor-stack {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.visual-code-ace {
  flex: 1 1 62%;
  min-height: 6rem;
  width: 100%;
  font-size: 12px;
}

.visual-c-help {
  flex: 0 0 auto;
  max-height: 38%;
  min-height: 5.5rem;
  overflow: auto;
  padding: 0.5rem 0.65rem 0.65rem;
  border-top: 1px solid var(--border);
  background: rgba(10, 14, 20, 0.92);
  -webkit-overflow-scrolling: touch;
}

.visual-c-help-title {
  margin: 0 0 0.25rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: #7dd3fc;
}

.visual-c-help-sig {
  margin: 0 0 0.35rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.7rem;
  color: #86efac;
  word-break: break-word;
}

.visual-c-help-sig[hidden] {
  display: none !important;
}

.visual-c-help-body {
  font-size: 0.72rem;
  line-height: 1.45;
  color: #94a3b8;
}

.visual-c-help-body p {
  margin: 0 0 0.45rem;
}

.visual-c-help-body ul {
  margin: 0 0 0.45rem;
  padding-left: 1.1rem;
}

.visual-c-help-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  color: #e2e8f0;
}

.visual-c-help-body .c-help-hint {
  color: var(--muted, #64748b);
  font-size: 0.68rem;
}

.visual-c-help-body .c-help-see {
  font-size: 0.68rem;
  color: var(--muted, #64748b);
}

.visual-code-ace .ace_editor,
.visual-code-ace .ace_gutter {
  background: transparent;
}

.visual-codegen {
  margin: 0;
  padding: 0.65rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  line-height: 1.45;
  color: #94a3b8;
  white-space: pre-wrap;
  word-break: break-word;
}

.visual-code-panel {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

.visual-code-panel[hidden] {
  display: none !important;
}

/* JS code preview dialog */
.visual-js-code-overlay {
  position: fixed;
  inset: 0;
  z-index: 100001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.65);
  overflow: hidden;
  touch-action: manipulation;
}

.visual-js-code-overlay[hidden] {
  display: none !important;
}

.visual-js-code-dialog {
  width: min(720px, 96vw);
  max-height: min(88vh, 88dvh);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(103, 232, 249, 0.35);
  border-radius: 14px;
  background: linear-gradient(180deg, #1e293b 0%, #151d2b 100%);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(56, 189, 248, 0.08);
  overflow: hidden;
}

.visual-js-code-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(103, 232, 249, 0.2);
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.12), rgba(167, 139, 250, 0.12));
}

.visual-js-code-header h2 {
  margin: 0;
  font-size: 1rem;
  flex: 1;
}

.visual-js-code-close {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.15rem 0.4rem;
}

.visual-js-code-body {
  flex: 1;
  min-height: 0;
  margin: 0;
  padding: 0.85rem 1rem 1rem;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.45;
  color: #94a3b8;
  white-space: pre-wrap;
  word-break: break-word;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.visual-tab-panel[data-panel="code"] {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.visual-tab-panel[data-panel="output"] {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.visual-plots-host[hidden] {
  display: none !important;
}

.visual-plots-host {
  flex: 1 1 55%;
  min-height: 120px;
  overflow: auto;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.btn-visual-action--info {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.35);
  background: rgba(56, 189, 248, 0.08);
}

.btn-visual-action--info:hover {
  background: rgba(56, 189, 248, 0.16);
  border-color: rgba(56, 189, 248, 0.55);
}

.visual-tab-panel[data-panel="help"] {
  background: #fff;
}

.visual-sample-help {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 1rem 1.15rem 1.25rem;
  background: #fff;
  color: #1e293b;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.9rem;
  line-height: 1.55;
}

.visual-sample-help h1,
.visual-sample-help h2,
.visual-sample-help h3 {
  color: #0f172a;
  margin: 0.75rem 0 0.5rem;
  line-height: 1.25;
}

.visual-sample-help h1 {
  font-size: 1.35rem;
  margin-top: 0;
}

.visual-sample-help h2 {
  font-size: 1.15rem;
}

.visual-sample-help h3 {
  font-size: 1rem;
}

.visual-sample-help p {
  margin: 0.5rem 0;
}

.visual-sample-help ol,
.visual-sample-help ul {
  margin: 0.5rem 0 0.75rem 1.25rem;
  padding: 0;
}

.visual-sample-help li {
  margin: 0.35rem 0;
}

.visual-sample-help img {
  max-width: 100%;
  height: auto;
}

.visual-output {
  flex: 1 1 45%;
  min-height: 80px;
  overflow: auto;
  padding: 0.5rem 0.65rem;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.4;
}

.visual-output-line--error {
  color: #fca5a5;
}

.visual-output-line--warn {
  color: #fde68a;
}

.visual-registers {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.45rem 0.65rem 0;
}

.visual-reg-item {
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid #334155;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  color: #bae6fd;
}

.visual-plot-card {
  position: relative;
  min-height: 260px;
  height: 280px;
  margin-top: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.4rem 0.4rem;
  background: #1a2332;
  display: flex;
  flex-direction: column;
}

.visual-plot-title {
  position: absolute;
  top: 0;
  left: 0.65rem;
  transform: translateY(-50%);
  margin: 0;
  padding: 0 0.35rem;
  background: #1a2332;
  font-size: 0.7rem;
  font-weight: 600;
  color: #94a3b8;
  line-height: 1;
  white-space: nowrap;
}

.visual-plot-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  padding: 0.15rem 0.65rem 0.2rem;
  min-height: 0;
}

.visual-plot-legend-item {
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

.visual-plot-chart {
  flex: 1;
  min-height: 0;
  position: relative;
}

.visual-plot-readout,
.chart-hover-readout {
  position: absolute;
  top: 0.35rem;
  left: 0.45rem;
  margin: 0;
  padding: 0.2rem 0.45rem;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.68rem;
  line-height: 1.35;
  color: var(--text, #e2e8f0);
  background: rgba(15, 23, 42, 0.88);
  border-radius: 4px;
  pointer-events: none;
  z-index: 2;
  max-width: calc(100% - 1rem);
}

.chart-readout-sep {
  color: #64748b;
}

.chart-readout-series {
  font-weight: 600;
}

.visual-plot-card canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.visual-status {
  flex-shrink: 0;
  margin: 0;
  padding: 0.45rem 0.65rem;
  font-size: 0.72rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
  .visual-toolbar {
    gap: 0.3rem;
  }

  .visual-body {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
    position: relative;
  }

  .visual-side-pane {
    position: absolute;
    inset: 0;
    z-index: 2;
    border-left: none;
    transform: translateX(100%);
    transition: transform 0.2s ease;
  }

  body.visual-mobile-show-side .visual-side-pane {
    transform: translateX(0);
  }

  body.visual-mobile-show-side .visual-workspace-pane {
    visibility: hidden;
  }

  .visual-title {
    display: none;
  }

  .btn-visual-mode:not([hidden]) {
    display: inline-flex;
  }

  .btn-visual-back {
    padding: 0.35rem 0.55rem;
    font-size: 0.78rem;
    color: var(--muted);
    border-color: transparent;
    background: transparent;
  }

  .btn-visual-back.is-suppressed {
    display: none !important;
  }

  body.visual-mobile-side-open .visual-toolbar-files {
    margin-left: 0;
  }

  .visual-toolbar-left {
    flex: 1;
    min-width: 0;
    justify-content: flex-end;
  }

  .visual-toolbar-actions--primary {
    margin-left: 0;
    flex-shrink: 0;
  }

  .visual-toolbar-files {
    margin-left: 0;
    flex-shrink: 0;
    gap: 0.25rem;
  }

  .visual-toolbar-files .btn-visual-action__label {
    display: none;
  }

  .visual-toolbar-files .btn-visual-action {
    padding: 0.38rem 0.42rem;
    min-width: 2rem;
    justify-content: center;
  }

  .btn-visual-action--samples .btn-visual-action__icon--samples {
    width: 1.2rem;
    height: 1.2rem;
  }
}

/* JS-toggled mobile layout (matchMedia) — keeps single-pane blocks view on launch */
body.visual-mobile-layout .app-view--visual {
  overflow-x: hidden;
  max-width: 100vw;
}

body.visual-mobile-layout .visual-body {
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
  position: relative;
  overflow: hidden;
  min-width: 0;
}

body.visual-mobile-layout .visual-workspace-pane {
  min-width: 0;
  width: 100%;
  max-width: 100%;
}

body.visual-mobile-layout .visual-side-pane {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-left: none;
  transform: translateX(100%);
  transition: transform 0.2s ease;
}

body.visual-mobile-layout.visual-mobile-show-side .visual-side-pane {
  transform: translateX(0);
}

body.visual-mobile-layout.visual-mobile-show-side .visual-workspace-pane {
  visibility: hidden;
}

body.view-visual-active.visual-modal-open {
  overflow: hidden;
  max-width: 100vw;
  width: 100%;
}

body.visual-modal-open {
  overflow: hidden;
  max-width: 100vw;
  width: 100%;
}

/* Above Blockly .blocklyWidgetDiv (z-index: 99999) */

.visual-sensor-picker-overlay {
  position: fixed;
  inset: 0;
  z-index: 100001;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 100%;
  max-width: 100vw;
  height: 100%;
  max-height: 100dvh;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.65);
  overflow: hidden;
  touch-action: manipulation;
  -webkit-overflow-scrolling: touch;
}

.visual-sensor-picker-overlay.visual-picker-locked .visual-sensor-picker {
  pointer-events: none;
}

.visual-sensor-picker-overlay.visual-picker-locked .visual-sensor-picker {
  opacity: 0.92;
  transform: scale(0.985);
  transition: opacity 0.28s ease, transform 0.28s ease;
}

.visual-sensor-picker-overlay:not(.visual-picker-locked) .visual-sensor-picker {
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.visual-sensor-picker {
  box-sizing: border-box;
  width: min(640px, 100%);
  max-width: 100%;
  min-width: 0;
  max-height: min(88vh, 88dvh);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface, #1a2332);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}

.visual-sensor-picker-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
}

.visual-sensor-picker-header h2 {
  margin: 0;
  font-size: 1rem;
  flex: 1;
}

.visual-sensor-picker-close {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.15rem 0.4rem;
}

.visual-sensor-picker-toolbar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid rgba(51, 65, 85, 0.6);
}

.visual-sensor-picker-scan {
  padding: 0.4rem 0.75rem;
  border: 1px solid #38bdf8;
  border-radius: 8px;
  background: rgba(56, 189, 248, 0.12);
  color: #7dd3fc;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

.visual-sensor-picker-status {
  font-size: 0.78rem;
  color: var(--muted);
}

.visual-sensor-picker-manual {
  padding: 0.5rem 1rem 0.75rem;
  overflow: auto;
}

.visual-sensor-picker-manual h3 {
  margin: 0 0 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.visual-sensor-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(108px, 1fr));
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  overflow: auto;
  max-height: min(42vh, 42dvh);
  min-width: 0;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.visual-sensor-picker-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
  padding: 0.55rem 0.35rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.15);
  color: var(--text);
  font: inherit;
  cursor: pointer;
}

.visual-sensor-picker-card:hover {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.08);
}

.visual-sensor-picker-card img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 6px;
}

.visual-sensor-picker-card-name {
  font-size: 0.72rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.visual-sensor-picker-card-addr {
  font-size: 0.65rem;
  color: var(--muted);
  font-family: ui-monospace, monospace;
}

/* Mobile / touch: full-viewport sheet, single-column list */
@media (max-width: 900px), (pointer: coarse) {
  .visual-sensor-picker-overlay {
    padding: 0;
    align-items: stretch;
    justify-content: stretch;
  }

  .visual-sensor-picker-overlay .visual-sensor-picker {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100vw;
    min-width: 0;
    height: 100%;
    max-height: 100dvh;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
    box-shadow: none;
  }

  .visual-sensor-picker-overlay .visual-sensor-picker-header {
    flex-shrink: 0;
    padding: 0.6rem 0.75rem;
    padding-top: max(0.6rem, env(safe-area-inset-top));
  }

  .visual-sensor-picker-overlay .visual-sensor-picker-header h2 {
    font-size: 0.92rem;
    min-width: 0;
  }

  .visual-sensor-picker-overlay .visual-sensor-picker-toolbar {
    flex-shrink: 0;
    flex-wrap: wrap;
    gap: 0.45rem;
    padding: 0.55rem 0.75rem;
  }

  .visual-sensor-picker-overlay .visual-sensor-picker-status {
    flex: 1 1 100%;
    min-width: 0;
  }

  .visual-sensor-picker-overlay .visual-sensor-picker-grid {
    grid-template-columns: 1fr;
    max-height: none;
    flex: 1;
    min-height: 0;
    padding: 0.45rem 0.65rem;
  }

  .visual-sensor-picker-overlay .visual-sensor-picker-card {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.65rem;
    text-align: left;
    width: 100%;
  }

  .visual-sensor-picker-overlay .visual-sensor-picker-card img {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
  }

  .visual-sensor-picker-overlay .visual-sensor-picker-card-name {
    text-align: left;
    flex: 1;
    min-width: 0;
    white-space: nowrap;
  }

  .visual-sensor-picker-overlay .visual-sensor-picker-manual {
    flex-shrink: 0;
    max-height: 34dvh;
    padding: 0.45rem 0.65rem;
    padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .visual-sensor-picker-overlay .visual-sensor-picker-grid--manual {
    max-height: none;
    flex: none;
    padding: 0;
  }
}

/* Sample programs dialog */

.visual-samples-overlay {
  position: fixed;
  inset: 0;
  z-index: 100001;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.65);
  overflow: hidden;
  touch-action: manipulation;
}

.visual-samples-dialog {
  width: min(720px, 96vw);
  max-height: min(88vh, 88dvh);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(103, 232, 249, 0.35);
  border-radius: 14px;
  background: linear-gradient(180deg, #1e293b 0%, #151d2b 100%);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(56, 189, 248, 0.08);
  overflow: hidden;
}

.visual-samples-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(103, 232, 249, 0.2);
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.12), rgba(167, 139, 250, 0.12));
}

.visual-samples-header-icon {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
  flex-shrink: 0;
}

.visual-samples-header h2 {
  margin: 0;
  font-size: 1rem;
  flex: 1;
}

.visual-samples-close {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.15rem 0.4rem;
}

.visual-samples-hint {
  margin: 0;
  padding: 0.55rem 1rem 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.visual-samples-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 0.65rem 1rem 1rem;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.visual-samples-category {
  margin-bottom: 1rem;
}

.visual-samples-category h3 {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #7dd3fc;
}

.visual-samples-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.visual-samples-item {
  padding: 0.42rem 0.75rem;
  border: 1px solid rgba(148, 163, 184, 0.28);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.55);
  color: #e2e8f0;
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s, color 0.15s, transform 0.12s;
}

.visual-samples-item:hover {
  border-color: #38bdf8;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.18), rgba(167, 139, 250, 0.16));
  color: #f8fafc;
  transform: translateY(-1px);
}

.visual-samples-category:nth-child(3n + 1) .visual-samples-item:hover {
  border-color: #38bdf8;
}

.visual-samples-category:nth-child(3n + 2) .visual-samples-item:hover {
  border-color: #a78bfa;
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.2), rgba(244, 114, 182, 0.12));
}

.visual-samples-category:nth-child(3n) .visual-samples-item:hover {
  border-color: #34d399;
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.16), rgba(56, 189, 248, 0.12));
}

.visual-samples-item--has-preview {
  padding-right: 1.5rem;
  background-image: linear-gradient(135deg, transparent 0%, rgba(56, 189, 248, 0.08) 100%);
}

.visual-samples-item--has-preview::after {
  content: '';
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-left: 0.35rem;
  border-radius: 50%;
  background: #67e8f9;
  box-shadow: 0 0 6px rgba(103, 232, 249, 0.65);
  vertical-align: middle;
}

.visual-samples-preview {
  position: fixed;
  z-index: 100002;
  display: flex;
  flex-direction: column;
  max-width: min(480px, 92vw);
  max-height: min(72vh, 640px);
  padding: 0.35rem;
  border: 1px solid rgba(103, 232, 249, 0.45);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.96);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(56, 189, 248, 0.12);
  pointer-events: auto;
  overflow: hidden;
}

.visual-samples-preview-media {
  flex-shrink: 0;
}

.visual-samples-preview img {
  display: block;
  max-width: min(448px, 90vw);
  max-height: min(280px, 42vh);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
}

.visual-samples-preview--has-docs img {
  max-height: min(220px, 34vh);
}

.visual-samples-preview-docs {
  flex: 1;
  min-height: 0;
  margin-top: 0.35rem;
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 0 0 8px 8px;
  max-height: min(42vh, 360px);
  overflow-y: auto;
}

@media (max-width: 900px) {
  .visual-samples-overlay {
    padding: 0;
    align-items: stretch;
    justify-content: stretch;
  }

  .visual-samples-dialog {
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
    box-shadow: none;
  }

  .visual-samples-header {
    flex-shrink: 0;
    padding: 0.6rem 0.75rem;
  }

  .visual-samples-header-icon {
    width: 1.5rem;
    height: 1.5rem;
  }

  .visual-samples-header h2 {
    font-size: 0.92rem;
  }

  .visual-samples-hint {
    flex-shrink: 0;
    padding: 0.4rem 0.75rem 0;
    font-size: 0.74rem;
  }

  .visual-samples-body {
    padding: 0.45rem 0.65rem 0.75rem;
  }

  .visual-samples-category {
    margin-bottom: 0.65rem;
  }

  .visual-samples-category h3 {
    margin-bottom: 0.3rem;
    font-size: 0.7rem;
  }

  .visual-samples-list {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0.28rem;
  }

  .visual-samples-item {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    border-radius: 8px;
    padding: 0.52rem 0.7rem;
    font-size: 0.84rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transform: none;
  }

  .visual-samples-item:hover {
    transform: none;
  }

  .visual-samples-item--has-preview {
    padding-right: 0.7rem;
  }

  .visual-samples-item--has-preview::after {
    display: none;
  }
}