:root {
  color-scheme: light;
  --sidebar-width: 320px;
  --sidebar-collapsed-width: 44px;
  --bg: #eef2f5;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --surface-3: #eef6f3;
  --line: #d7dee7;
  --line-strong: #aeb9c7;
  --text: #17202a;
  --muted: #5e6a78;
  --primary: #0f766e;
  --primary-dark: #0b4f4a;
  --blue: #2563eb;
  --violet: #7c3aed;
  --amber: #b45309;
  --danger: #b42318;
  --success: #157347;
  --shadow: 0 14px 32px rgba(15, 23, 42, 0.1);
  --topbar-bg: rgba(255, 255, 255, 0.92);
  --panel-bg: rgba(255, 255, 255, 0.94);
  --node-bg: rgba(255, 255, 255, 0.96);
  --canvas-bg: #f9fbfc;
  --builder-bg: #fbfcfe;
  --endpoint-bg: #ffffff;
  --grid-line-a: rgba(15, 118, 110, 0.045);
  --grid-line-b: rgba(37, 99, 235, 0.04);
  --node-shadow: 0 14px 26px rgba(15, 23, 42, 0.12);
  --endpoint-shadow: 0 2px 8px rgba(15, 23, 42, 0.12);
  --node-header-bg: linear-gradient(135deg, #0f766e, #2563eb);
  --node-header-text: #ffffff;
}

body[data-theme="dark"] {
  color-scheme: dark;
  --bg: #071113;
  --surface: #0d1a1e;
  --surface-2: #132327;
  --surface-3: #193137;
  --line: #22383f;
  --line-strong: #3d5a63;
  --text: #eef7f8;
  --muted: #9db0b8;
  --primary: #25b7a8;
  --primary-dark: #168a80;
  --blue: #5b8cff;
  --violet: #a779ff;
  --amber: #f3aa4e;
  --danger: #ff746a;
  --success: #45c986;
  --shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
  --topbar-bg: rgba(10, 21, 24, 0.92);
  --panel-bg: rgba(13, 26, 30, 0.95);
  --node-bg: rgba(16, 31, 36, 0.98);
  --canvas-bg: #081315;
  --builder-bg: #0c171b;
  --endpoint-bg: #0b171a;
  --grid-line-a: rgba(37, 183, 168, 0.09);
  --grid-line-b: rgba(91, 140, 255, 0.055);
  --node-shadow: 0 18px 32px rgba(0, 0, 0, 0.38);
  --endpoint-shadow: 0 2px 10px rgba(0, 0, 0, 0.34);
  --node-header-bg: linear-gradient(135deg, #122f35, #1c3d45);
  --node-header-text: #eef7f8;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(15, 118, 110, 0.08), transparent 270px),
    var(--bg);
  color: var(--text);
  font-family:
    "Pretendard",
    "Noto Sans KR",
    "Apple SD Gothic Neo",
    "Segoe UI",
    sans-serif;
}

body[data-theme="dark"] {
  background:
    linear-gradient(180deg, rgba(37, 183, 168, 0.12), transparent 300px),
    var(--bg);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.app-shell {
  height: 100vh;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(215, 222, 231, 0.88);
  background: var(--topbar-bg);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--primary-dark);
  color: #ffffff;
  font-weight: 900;
}

.brand h1,
.brand p,
.panel-title h2,
.node-header p,
.node-header strong {
  margin: 0;
}

.brand h1 {
  font-size: 1.22rem;
  letter-spacing: 0;
}

.brand p {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.9rem;
}

.topbar-actions {
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  align-self: center;
  height: 42px;
  gap: 8px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.workspace {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  gap: 14px;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  padding: 14px;
  transition: grid-template-columns 160ms ease;
}

.workspace.is-sidebar-collapsed {
  grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr);
}

.left-rail,
.right-rail,
.canvas-column {
  display: grid;
  align-content: start;
  gap: 14px;
  min-width: 0;
  min-height: 0;
}

.right-rail {
  display: none;
}

.panel,
.canvas-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-bg);
  box-shadow: var(--shadow);
}

.panel {
  display: grid;
  gap: 14px;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  padding: 14px;
}

.left-rail {
  position: relative;
  width: var(--sidebar-width);
  max-width: var(--sidebar-width);
  max-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: none;
  z-index: 5;
}

.left-rail::-webkit-scrollbar {
  display: none;
}

.sidebar-toggle {
  position: sticky;
  top: 0;
  justify-self: end;
  z-index: 40;
  width: 44px;
  min-height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-bg);
  color: var(--text);
  font-size: 1.35rem;
  font-weight: 900;
  box-shadow: var(--shadow);
}

.workspace:not(.is-sidebar-collapsed) .sidebar-toggle {
  justify-self: end;
}

.workspace.is-sidebar-collapsed .left-rail {
  overflow: visible;
  width: var(--sidebar-collapsed-width);
  max-width: var(--sidebar-collapsed-width);
}

.workspace.is-sidebar-collapsed .sidebar-toggle {
  right: 0;
}

.workspace.is-sidebar-collapsed .left-rail .panel {
  display: none;
}

.left-rail .panel:has(#connectionList),
.left-rail .panel:has(#carrierManifest),
.left-rail .panel:has(#importTextArea) {
  display: none;
}

.panel-title,
.node-header,
.mini-row,
.connection-row__top,
.manifest-row__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.panel-title h2 {
  font-size: 1rem;
}

.field-stack {
  display: grid;
  gap: 10px;
}

.is-hidden {
  display: none !important;
}

.port-editor {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.port-editor__title {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.port-editor__title strong {
  font-size: 0.86rem;
}

.port-editor__title span {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
}

.port-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.port-matrix input {
  min-height: 32px;
}

label {
  display: grid;
  gap: 6px;
  min-width: 0;
}

label span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
}

input,
select {
  min-height: 38px;
  padding: 0 10px;
}

textarea {
  resize: vertical;
  padding: 10px;
  line-height: 1.45;
}

.primary-button,
.secondary-button,
.icon-button,
.text-button {
  min-height: 38px;
  border-radius: 6px;
  font-weight: 800;
}

.primary-button {
  border: 1px solid var(--primary-dark);
  background: var(--primary);
  color: #ffffff;
}

.secondary-button,
.icon-button {
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text);
}

.icon-button {
  min-width: 44px;
  height: 42px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.icon-button.danger {
  border-color: rgba(180, 35, 24, 0.22);
  color: var(--danger);
}

.text-button {
  min-height: 28px;
  padding: 0 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--primary);
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  white-space: nowrap;
}

.badge.success {
  border-color: rgba(21, 115, 71, 0.22);
  background: rgba(21, 115, 71, 0.08);
  color: var(--success);
}

.badge.warn {
  border-color: rgba(180, 83, 9, 0.25);
  background: rgba(180, 83, 9, 0.09);
  color: var(--amber);
}

.badge.danger {
  border-color: rgba(180, 35, 24, 0.25);
  background: rgba(180, 35, 24, 0.08);
  color: var(--danger);
}

.stats-grid {
  display: none;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.stat {
  min-height: 84px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.stat span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.stat strong {
  font-size: 1.45rem;
}

.canvas-panel {
  min-width: 0;
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  overflow: hidden;
}

.canvas-column {
  align-content: stretch;
  grid-template-rows: minmax(0, 1fr);
  height: 100%;
}

.connection-builder {
  display: none;
  grid-template-columns: repeat(4, minmax(0, 1fr)) 126px 108px;
  gap: 10px;
  align-items: end;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  background: var(--builder-bg);
}

.toggle-row {
  min-height: 38px;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.toggle-row input {
  width: 16px;
  min-height: 16px;
}

.toggle-row span {
  color: var(--text);
}

.canvas-shell {
  position: relative;
  min-height: 0;
  height: 100%;
  overflow: auto;
  cursor: grab;
  scrollbar-width: none;
  -ms-overflow-style: none;
  overscroll-behavior: contain;
  background:
    linear-gradient(var(--grid-line-a) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-b) 1px, transparent 1px),
    var(--canvas-bg);
  background-size: 28px 28px;
}

.canvas-board-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 12;
  width: min(540px, calc(100vw - 620px));
  min-width: 280px;
  margin: 0;
  transform: translate(-50%, -50%);
  pointer-events: auto;
}

.canvas-board-toggle {
  width: 100%;
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 900;
  text-align: left;
  box-shadow: var(--shadow);
}

#canvasBoardTitle {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.canvas-board-chevron {
  display: inline-block;
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 1.25rem;
  line-height: 1;
  transform: none;
  transition: transform 120ms ease;
}

.canvas-board-panel.is-open .canvas-board-chevron {
  transform: rotate(180deg);
}

.canvas-board-fields {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  display: none;
  gap: 8px;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: var(--shadow);
}

.canvas-board-fields label {
  display: grid;
  gap: 5px;
}

.canvas-board-fields label span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.canvas-board-panel.is-open .canvas-board-fields {
  display: grid;
}

.canvas-board-fields .badge {
  justify-self: start;
}

.canvas-shell::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.canvas-shell.is-panning {
  cursor: grabbing;
  user-select: none;
}

.canvas-sizer {
  width: 2200px;
  height: 1500px;
  pointer-events: none;
}

.wire-layer,
.device-layer {
  position: absolute;
  inset: 0;
  min-width: 1100px;
  min-height: 760px;
  transform-origin: 0 0;
}

.wire-layer {
  width: 1100px;
  height: 760px;
  pointer-events: none;
  z-index: 3;
}

.device-layer {
  z-index: 2;
}

.device-node {
  position: absolute;
  width: 300px;
  min-height: 148px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  grid-template-columns: 96px minmax(0, 1fr) 96px;
  align-items: stretch;
  gap: 6px;
  padding: 0 12px 12px;
  border: 1px solid rgba(15, 118, 110, 0.22);
  border-radius: 8px;
  background: var(--node-bg);
  box-shadow: var(--node-shadow);
  cursor: grab;
  user-select: none;
}

.device-node--compact {
  width: 238px;
  grid-template-columns: 78px minmax(0, 1fr) 78px;
  padding: 0 10px 10px;
}

.device-node--compact .node-header {
  min-height: 50px;
  margin-inline: -10px;
  padding: 8px 10px;
}

.device-node--compact .node-header strong,
.device-node--compact .node-header p {
  max-width: 110px;
}

.device-node--compact .node-port-column {
  gap: 4px;
  padding-top: 10px;
}

.device-node--compact .port-row {
  min-height: 22px;
  font-size: 0.68rem;
}

.device-node--compact .port-label {
  max-width: 58px;
}

.device-node.is-selected {
  outline: 3px solid rgba(37, 99, 235, 0.46);
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.12), var(--node-shadow);
}

.device-node.is-dragging {
  cursor: grabbing;
  outline: 3px solid rgba(15, 118, 110, 0.25);
}

.node-drag {
  display: none;
  position: absolute;
  top: 10px;
  right: 10px;
  justify-self: end;
  min-height: 26px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-3);
  color: var(--primary-dark);
  font-size: 0.72rem;
  font-weight: 900;
  cursor: grab;
}

.node-drag:active {
  cursor: grabbing;
}

.node-body {
  display: grid;
  align-content: start;
  gap: 10px;
  min-width: 0;
  padding-top: 10px;
}

.node-header {
  grid-column: 1 / -1;
  align-items: center;
  margin: 0 -12px 2px;
  min-height: 66px;
  padding: 9px 12px;
  border-radius: 8px 8px 0 0;
  background: var(--node-header-bg);
  color: var(--node-header-text);
}

.node-header::before {
  content: attr(data-node-number);
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 7px;
  background: color-mix(in srgb, var(--node-header-text) 18%, transparent);
  font-size: 0.74rem;
  font-weight: 900;
}

.node-header strong {
  display: block;
  max-width: 154px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.node-header > div {
  min-width: 0;
}

.node-header p {
  margin-top: 3px;
  max-width: 154px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: color-mix(in srgb, var(--node-header-text) 74%, transparent);
  font-size: 0.82rem;
}

.node-carrier {
  flex: 0 0 auto;
  max-width: 82px;
  padding: 3px 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--node-header-text) 16%, transparent);
  color: var(--node-header-text);
  font-size: 0.7rem;
  font-weight: 900;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.node-port-column {
  display: grid;
  align-content: start;
  gap: 6px;
  padding-top: 18px;
  min-width: 0;
}

.node-port-column--inputs {
  justify-items: start;
}

.node-port-column--outputs {
  justify-items: end;
}

.node-ports {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.node-ports--bidirectional {
  justify-content: center;
  padding-top: 4px;
}

.port-row {
  min-height: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}

.port-row--in {
  justify-content: flex-start;
  transform: translateX(-28px);
}

.port-row--out {
  justify-content: flex-end;
  transform: translateX(28px);
}

.port-row--bi {
  justify-content: center;
}

.port-label {
  max-width: 70px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.port-row--out .port-label {
  text-align: right;
}

.port-pill {
  width: 68px;
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0 6px;
  border: 1px solid currentColor;
  border-radius: 999px;
  background: var(--endpoint-bg);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-align: center;
  white-space: nowrap;
}

.node-ports--bidirectional .port-pill {
  width: auto;
  min-width: 62px;
}

.port-pill[data-type="HDMI"] {
  color: var(--blue);
}

.port-pill[data-type="SDI"] {
  color: var(--primary);
}

.port-pill[data-type="XLR"],
.port-pill[data-type="DMX"] {
  color: var(--violet);
}

.port-pill[data-type="RJ45"] {
  color: var(--amber);
}

.port-pill[data-type="USB-A"],
.port-pill[data-type="USB-C"] {
  color: #475569;
}

.port-pill[data-type="Power"] {
  color: #6b7280;
}

.port-endpoint {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 999px;
  background: var(--endpoint-bg);
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 900;
  line-height: 1;
  cursor: crosshair;
  user-select: none;
  box-shadow: var(--endpoint-shadow);
}

.node-ports--bidirectional .port-endpoint {
  width: 28px;
  height: 28px;
}

.port-endpoint.is-used {
  opacity: 0.44;
  cursor: not-allowed;
  background: var(--surface-2);
}

.port-endpoint.is-blocked {
  opacity: 0.28;
  cursor: not-allowed;
  filter: grayscale(0.65);
}

.port-endpoint[data-type="HDMI"] {
  color: var(--blue);
}

.port-endpoint[data-type="SDI"] {
  color: var(--primary);
}

.port-endpoint[data-type="XLR"],
.port-endpoint[data-type="DMX"] {
  color: var(--violet);
}

.port-endpoint[data-type="RJ45"] {
  color: var(--amber);
}

.port-endpoint[data-type="USB-A"],
.port-endpoint[data-type="USB-C"] {
  color: #475569;
}

.port-endpoint[data-type="Power"] {
  color: #6b7280;
}

.wire-preview {
  opacity: 0.72;
}

.wire-group {
  cursor: pointer;
  pointer-events: auto;
}

.wire-group.is-selected .wire-path {
  filter: drop-shadow(0 0 5px currentColor);
}

.wire-hitbox {
  pointer-events: stroke;
}

.wire-handle {
  cursor: grab;
  pointer-events: all;
  stroke: var(--surface);
  stroke-width: 3;
}

.image-export-measuring {
  position: fixed;
  left: -100000px;
  top: 0;
  z-index: -1;
}

.image-export-sheet {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
  color: var(--text);
}

.image-export-viewport {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(var(--grid-line-a) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-b) 1px, transparent 1px),
    var(--canvas-bg);
  background-size: 28px 28px;
}

.image-export-canvas {
  position: absolute;
  inset: 0 auto auto 0;
  transform-origin: 0 0;
}

.image-export-canvas .wire-layer,
.image-export-canvas .device-layer {
  transform: none !important;
}

.image-export-summary {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(150px, 1fr));
  gap: 12px;
  padding: 16px;
  border-top: 1px solid var(--line);
  background: var(--panel-bg);
}

.image-export-summary > div {
  min-width: 0;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.image-export-summary span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 900;
}

.image-export-summary strong {
  display: block;
  margin-top: 5px;
  overflow: hidden;
  color: var(--text);
  font-size: 1.45rem;
  line-height: 1.05;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-export-summary p {
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.image-export-type-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.image-export-type-list span {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.72rem;
}

.mini-list,
.preset-list,
.connection-list,
.manifest-list {
  display: grid;
  gap: 9px;
}

.mini-row,
.preset-row,
.connection-row,
.manifest-row {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.preset-row {
  width: 100%;
  display: grid;
  gap: 3px;
  min-height: 52px;
  color: var(--text);
  text-align: left;
}

.mini-row strong,
.preset-row strong,
.connection-row strong,
.manifest-row strong {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-row p,
.preset-row span,
.connection-row p,
.manifest-row p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.row-actions {
  display: flex;
  gap: 6px;
}

.preset-filter {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.preset-filter::-webkit-scrollbar {
  display: none;
}

.preset-filter-button {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 900;
}

.preset-filter-button small {
  color: inherit;
  opacity: 0.72;
  font-size: 0.68rem;
}

.preset-filter-button.is-active {
  border-color: var(--primary-dark);
  background: var(--primary-dark);
  color: #ffffff;
}

.preset-toolbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.small-button {
  min-height: 28px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 900;
}

.empty-state {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.canvas-context-menu {
  position: fixed;
  z-index: 80;
  min-width: 160px;
  display: grid;
  gap: 4px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.canvas-context-menu button {
  min-height: 34px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  font-weight: 800;
  text-align: left;
  padding: 0 10px;
}

.canvas-context-menu button:hover {
  background: var(--surface-2);
}

.canvas-context-menu .danger-action {
  color: var(--danger);
}

.cable-length-editor {
  position: fixed;
  z-index: 85;
  width: 176px;
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.cable-length-editor label {
  gap: 5px;
}

.cable-length-editor input {
  min-height: 34px;
}

.cable-length-editor .row-actions {
  justify-content: end;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  justify-content: end;
  background: rgba(15, 23, 42, 0.32);
}

.device-editor {
  width: min(520px, 100vw);
  height: 100vh;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 16px;
  padding: 22px;
  overflow: hidden;
  border-left: 1px solid var(--line);
  background: var(--surface);
  box-shadow: -24px 0 48px rgba(15, 23, 42, 0.18);
}

.inline-check {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
}

.inline-check input {
  width: 18px;
  min-height: 18px;
}

.device-editor--add {
  grid-template-rows: auto minmax(0, 1fr);
}

.device-form-modal {
  display: grid;
  gap: 12px;
}

.add-device-form-slot {
  min-height: 0;
}

.editor-header,
.editor-section__title,
.editor-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.editor-header h2 {
  margin: 0;
  font-size: 1.18rem;
}

.editor-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 10px;
}

.editor-grid label:last-child {
  grid-column: 1 / -1;
}

.editor-section {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 0;
}

.editor-scroll-area {
  display: grid;
  align-content: start;
  gap: 16px;
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
  scrollbar-width: thin;
  overscroll-behavior: contain;
}

.editor-port-list {
  display: grid;
  gap: 8px;
}

.capture-board-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
}

.capture-board-list {
  display: grid;
  gap: 8px;
}

.capture-board-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.capture-board-row strong,
.capture-board-row p {
  margin: 0;
}

.capture-board-row p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.editor-port-row {
  display: grid;
  grid-template-columns: 18px minmax(0, 1.3fr) minmax(96px, 0.8fr) minmax(116px, 0.9fr) auto;
  gap: 8px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}

.editor-port-row--board {
  grid-template-columns: 18px minmax(0, 1.2fr) minmax(82px, 0.65fr) minmax(104px, 0.75fr) minmax(92px, 0.7fr) auto;
}

.drag-handle {
  color: var(--muted);
  font-weight: 900;
}

.editor-actions {
  justify-content: end;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

@media (max-width: 1280px) {
  .workspace {
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  }

  .right-rail {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .connection-builder {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 2400px) {
  .topbar {
    min-height: 58px;
    align-items: center;
    flex-direction: row;
    gap: 10px;
    padding: 10px 14px;
  }

  .topbar-actions {
    width: auto;
    margin-left: auto;
    display: flex;
    align-items: center;
    right: 14px;
    gap: 6px;
  }

  .topbar-actions .icon-button {
    position: relative;
    width: 40px;
    min-width: 40px;
    height: 40px;
    min-height: 40px;
    max-height: 40px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: center;
    font-size: 0;
    line-height: 1;
    overflow: hidden;
  }

  .topbar-actions .icon-button::before {
    content: attr(data-icon);
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-size: 0.9rem;
    line-height: 1;
    color: var(--text);
    transform: none;
  }

  .topbar-actions .icon-button.danger::before {
    color: var(--danger);
  }

  .brand {
    gap: 10px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand h1 {
    font-size: 1.08rem;
  }

  .brand p {
    display: none;
  }
}

@media (max-width: 860px) {
  .topbar,
  .workspace {
    padding: 10px;
  }

  .workspace {
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  }

  .right-rail {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .connection-builder {
    grid-template-columns: 1fr;
  }

  .topbar-actions {
    gap: 6px;
  }
}