.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  clip-path: inset(50%) !important;
}

.creation-mode-nav {
  display: grid;
  gap: 7px;
  margin-bottom: 17px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

body.auth-active .creation-mode-button {
  width: 100%;
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  background: transparent;
  color: #b3c1bc;
  padding: 0 13px;
  font-size: 13px;
  font-weight: 850;
  text-align: left;
  box-shadow: none;
}

body.auth-active .creation-mode-button i {
  width: 19px;
  color: #dce6e2;
  font-size: 19px;
  line-height: 1;
}

body.auth-active .creation-mode-button.active {
  border-color: #f0b94c;
  background: linear-gradient(90deg, #164f45, #237a56);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12), 0 0 0 1px rgba(240, 185, 76, 0.18);
}

body.auth-active[data-creation-mode="canvas"] .workflow-nav-heading,
body.auth-active[data-creation-mode="canvas"] .step-chip,
body.auth-active[data-creation-mode="canvas"] .product-task-tabs,
body.auth-active[data-creation-mode="canvas"] .workspace-panel,
body.auth-active[data-creation-mode="canvas"] .api-overview,
body.auth-active[data-creation-mode="canvas"] .hero,
body.auth-active[data-creation-mode="canvas"] .task-panel,
body.auth-active[data-creation-mode="canvas"] .result-panel,
body.auth-active[data-creation-mode="canvas"] .reference-panel,
body.auth-active[data-creation-mode="canvas"] .script-panel,
body.auth-active[data-creation-mode="canvas"] .video-panel,
body.auth-active[data-creation-mode="canvas"] .history-panel,
body.auth-active[data-creation-mode="canvas"] .account-chip {
  display: none !important;
}

body.auth-active[data-creation-mode="canvas"] .workflow-steps {
  bottom: 112px;
}

.canvas-studio[hidden] {
  display: none !important;
}

body:not(.auth-active) .canvas-studio {
  display: none !important;
}

.canvas-studio {
  position: fixed;
  inset: 0 0 0 216px;
  z-index: 45;
  overflow: hidden;
  background: #f8faf9;
  color: #19231f;
}

.canvas-topbar {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 20;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid #e2e8e5;
  background: rgba(255, 255, 255, 0.97);
  padding: 0 24px;
}

.canvas-project-heading,
.canvas-top-actions,
.canvas-zoom-group {
  display: flex;
  align-items: center;
}

.canvas-project-heading {
  min-width: 260px;
  gap: 9px;
}

.canvas-project-heading input {
  width: min(360px, 26vw);
  min-height: 38px;
  border: 0 !important;
  background: transparent !important;
  color: #16201c;
  padding: 0 !important;
  font-size: 18px;
  font-weight: 900;
  box-shadow: none !important;
}

.canvas-project-heading > i {
  color: #65716c;
  font-size: 16px;
}

#canvasSaveState {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #77827e;
  font-size: 12px;
  white-space: nowrap;
}

#canvasSaveState i {
  color: #55bb86;
}

.canvas-top-actions {
  justify-content: flex-end;
  gap: 8px;
}

.canvas-top-actions button,
.canvas-zoom-group {
  min-height: 42px;
  border: 1px solid #dfe5e2;
  border-radius: 7px;
  background: #fff;
  color: #18221e;
  box-shadow: 0 2px 7px rgba(23, 48, 39, 0.04);
}

.canvas-top-actions button {
  min-width: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 850;
}

.canvas-top-actions button.primary,
#canvasGenerateWorkflowBtn {
  border-color: #217955;
  background: #217955;
  color: #fff;
}

.canvas-zoom-group {
  overflow: hidden;
}

.canvas-zoom-group button {
  min-height: 40px;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  padding: 0 10px;
}

.canvas-zoom-group span {
  min-width: 52px;
  color: #26322e;
  font-size: 12px;
  font-weight: 850;
  text-align: center;
}

.canvas-ai-composer {
  position: absolute;
  top: 96px;
  right: 7.5%;
  left: 5%;
  z-index: 18;
  min-height: 66px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid #dfe6e2;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 8px 28px rgba(29, 61, 49, 0.07);
  padding: 10px 12px 10px 18px;
}

.canvas-ai-composer > i {
  color: #209064;
  font-size: 19px;
}

.canvas-ai-composer > input {
  min-width: 120px;
  min-height: 44px;
  flex: 1;
  border: 0 !important;
  background: transparent !important;
  color: #34413c;
  padding: 0 2px !important;
  font-size: 13px;
  box-shadow: none !important;
}

.canvas-compact-select {
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid #dfe5e2;
  border-radius: 7px;
  background: #fff;
  padding: 0 8px;
  color: #28352f;
}

.canvas-compact-select select {
  min-height: 38px;
  border: 0 !important;
  background: transparent !important;
  padding: 0 18px 0 0 !important;
  font-size: 12px;
  font-weight: 800;
  box-shadow: none !important;
}

#canvasGenerateWorkflowBtn {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border-radius: 7px;
  padding: 0 16px;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}

.canvas-workspace {
  position: absolute;
  inset: 184px 0 0;
  overflow: hidden;
  border-top: 1px solid #e4e9e7;
  background-color: #fbfcfb;
  background-image: radial-gradient(circle, rgba(65, 93, 82, 0.16) 1px, transparent 1.2px);
  background-size: 18px 18px;
}

.canvas-viewport {
  position: absolute;
  inset: 0;
  overflow: auto;
  cursor: grab;
  scrollbar-width: none;
}

.canvas-viewport::-webkit-scrollbar {
  display: none;
}

.canvas-viewport.is-panning {
  cursor: grabbing;
}

.canvas-stage {
  position: relative;
  width: 1500px;
  height: 920px;
  transform-origin: 0 0;
}

.canvas-connections {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.canvas-connection-path {
  fill: none;
  stroke: #27835e;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.canvas-connection-preview {
  fill: none;
  stroke: #20a36d;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 9 7;
  filter: drop-shadow(0 2px 3px rgba(32, 131, 94, 0.2));
  vector-effect: non-scaling-stroke;
  animation: canvas-connection-flow 0.6s linear infinite;
}

@keyframes canvas-connection-flow {
  to { stroke-dashoffset: -16; }
}

.canvas-connection-dot {
  fill: #27835e;
  stroke: #fff;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.canvas-node-dock {
  position: absolute;
  top: 126px;
  left: 18px;
  z-index: 15;
  width: 58px;
  display: grid;
  overflow: hidden;
  border: 1px solid #dce4e0;
  border-radius: 9px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(23, 48, 39, 0.08);
}

.canvas-node-dock button {
  min-height: 70px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 5px;
  border: 0;
  border-bottom: 1px solid #edf0ef;
  border-radius: 0;
  background: #fff;
  color: #1d2924;
  padding: 8px 2px;
  font-size: 11px;
}

.canvas-node-dock button:last-child {
  border-bottom: 0;
}

.canvas-node-dock button:hover {
  background: #f1f8f4;
  color: #1f7e59;
}

.canvas-node-dock i {
  font-size: 19px;
}

.canvas-flow-node {
  position: absolute;
  z-index: 4;
  width: 158px;
  min-height: 118px;
  overflow: visible;
  border: 1px solid #d8e0dc;
  border-radius: 9px;
  background: #fff;
  box-shadow: 0 5px 16px rgba(25, 55, 44, 0.07);
  user-select: none;
  touch-action: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease, opacity 0.16s ease;
}

.canvas-stage.is-connecting {
  cursor: crosshair;
}

.canvas-flow-node.can-connect {
  cursor: copy;
}

.canvas-flow-node.can-connect:not(.connection-target) {
  border-color: #b8dccc;
}

.canvas-flow-node.connecting-source {
  border-color: #20845d;
  box-shadow: 0 0 0 2px rgba(32, 132, 93, 0.14), 0 8px 22px rgba(25, 78, 58, 0.12);
}

.canvas-flow-node.connection-target {
  border-color: #1f9c68;
  box-shadow: 0 0 0 4px rgba(31, 156, 104, 0.15), 0 10px 28px rgba(25, 78, 58, 0.16);
  transform: translateY(-2px);
}

.canvas-flow-node.selected {
  border-color: #f2a30d;
  box-shadow: 0 0 0 1px #f2a30d, 0 8px 24px rgba(73, 60, 24, 0.13);
}

.canvas-flow-node.is-running {
  border-color: #f1a816;
}

.canvas-flow-node.is-complete {
  border-color: #5cb889;
}

.canvas-flow-node.is-error {
  border-color: #d66251;
}

.canvas-node-header {
  min-height: 43px;
  display: flex;
  align-items: center;
  gap: 7px;
  border-bottom: 1px solid #eef1ef;
  padding: 0 12px;
  color: #15251f;
  cursor: move;
}

.canvas-node-header i {
  color: #20845d;
  font-size: 17px;
}

.canvas-node-header strong {
  min-width: 0;
  overflow: hidden;
  flex: 1;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.canvas-node-state {
  color: #44a674 !important;
  font-size: 14px !important;
}

.canvas-node-body {
  min-height: 74px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 10px 12px;
}

.canvas-node-body p {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: #65716c;
  font-size: 11px;
  line-height: 1.55;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.canvas-node-body img,
.canvas-node-body video {
  width: 100%;
  height: 108px;
  object-fit: cover;
  border-radius: 5px;
  background: #eef3f0;
}

.canvas-flow-node.has-media {
  width: 176px;
  min-height: 188px;
}

.canvas-flow-node.compose-node {
  min-height: 94px;
}

.canvas-flow-node.compose-node .canvas-node-body {
  min-height: 50px;
}

.canvas-node-duration {
  position: absolute;
  right: 9px;
  bottom: 8px;
  border-radius: 4px;
  background: rgba(14, 22, 19, 0.78);
  color: #fff;
  padding: 2px 5px;
  font-size: 9px;
}

.canvas-node-port {
  position: absolute;
  top: 50%;
  z-index: 7;
  width: 28px;
  height: 28px;
  margin-top: -14px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
  padding: 0;
  cursor: crosshair;
  touch-action: none;
}

.canvas-node-port::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #27835e;
  box-shadow: 0 0 0 1px #27835e;
  transition: transform 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
}

.canvas-node-port:hover::after,
.canvas-node-port:focus-visible::after {
  background: #1fa36c;
  box-shadow: 0 0 0 1px #1fa36c, 0 0 0 6px rgba(31, 163, 108, 0.14);
  transform: scale(1.2);
}

.canvas-node-port.input {
  left: -14px;
}

.canvas-node-port.output {
  right: -14px;
}

.canvas-flow-node.can-connect .canvas-node-port.input::after {
  box-shadow: 0 0 0 1px #27835e, 0 0 0 5px rgba(39, 131, 94, 0.1);
}

.canvas-flow-node.connection-target .canvas-node-port.input::after {
  background: #18a86b;
  box-shadow: 0 0 0 1px #18a86b, 0 0 0 9px rgba(24, 168, 107, 0.18);
  transform: scale(1.35);
}

.canvas-flow-node.connecting-source .canvas-node-port.output::after {
  animation: canvas-port-pulse 1s ease-in-out infinite;
}

@keyframes canvas-port-pulse {
  0%, 100% { box-shadow: 0 0 0 1px #27835e, 0 0 0 3px rgba(39, 131, 94, 0.12); }
  50% { box-shadow: 0 0 0 1px #27835e, 0 0 0 9px rgba(39, 131, 94, 0.04); }
}

.canvas-inspector {
  position: absolute;
  top: 20px;
  right: 24px;
  z-index: 16;
  width: 280px;
  max-height: calc(100% - 40px);
  overflow-y: auto;
  display: grid;
  gap: 13px;
  border: 1px solid #dce4e0;
  border-radius: 9px;
  background: #fff;
  box-shadow: 0 12px 32px rgba(23, 48, 39, 0.12);
  padding: 16px;
}

.canvas-inspector[hidden] {
  display: none !important;
}

.canvas-inspector header,
.canvas-inspector header > div,
.canvas-inspector-actions,
.canvas-image-source-actions > div {
  display: flex;
  align-items: center;
}

.canvas-inspector header {
  justify-content: space-between;
}

.canvas-inspector header > div {
  gap: 7px;
}

.canvas-inspector header > div i {
  color: #22815c;
}

.canvas-inspector header button {
  width: 30px;
  min-height: 30px;
  border: 0;
  background: transparent;
  color: #6d7874;
  padding: 0;
}

.canvas-inspector label {
  display: grid;
  gap: 6px;
  color: #52605a;
  font-size: 11px;
  font-weight: 800;
}

.canvas-inspector input,
.canvas-inspector textarea {
  width: 100%;
  border: 1px solid #dfe5e2 !important;
  border-radius: 6px !important;
  background: #fff !important;
  color: #202c27;
  padding: 9px 10px !important;
  font-size: 12px;
}

.canvas-inspector-actions {
  gap: 8px;
}

.canvas-inspector-actions button,
.canvas-image-source-actions button {
  min-height: 38px;
  flex: 1;
  border: 1px solid #dbe4df;
  border-radius: 6px;
  background: #f7faf8;
  color: #207a57;
  font-size: 11px;
  font-weight: 850;
}

.canvas-image-source-actions {
  display: grid;
  gap: 7px;
  border: 1px solid #dce8e2;
  border-radius: 7px;
  background: #f7fbf9;
  padding: 10px;
}

.canvas-image-source-actions[hidden] {
  display: none !important;
}

.canvas-image-source-actions > span {
  color: #52605a;
  font-size: 11px;
  font-weight: 850;
}

.canvas-image-source-actions > div {
  gap: 7px;
}

.canvas-image-source-actions button.primary {
  border-color: #27835e;
  background: #27835e;
  color: #fff;
}

.canvas-image-source-actions button:disabled {
  cursor: wait;
  opacity: 0.62;
}

.canvas-image-source-actions small {
  color: #678078;
  font-size: 10px;
}

.canvas-upstream-context {
  display: grid;
  gap: 5px;
  border: 1px solid #d8e8e0;
  border-radius: 7px;
  background: #f3faf6;
  padding: 10px;
}

.canvas-upstream-context[hidden] {
  display: none !important;
}

.canvas-upstream-context strong {
  color: #176e4d;
  font-size: 11px;
}

.canvas-upstream-context span {
  color: #293a33;
  font-size: 11px;
  font-weight: 800;
}

.canvas-upstream-context small {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.canvas-inspector-actions button.danger {
  border-color: #f0d5d0;
  background: #fff8f6;
  color: #bd5848;
}

.canvas-inspector small {
  color: #7b8782;
  font-size: 10px;
  line-height: 1.5;
}

.canvas-minimap {
  position: absolute;
  bottom: 20px;
  left: 18px;
  z-index: 12;
  width: 190px;
  border: 1px solid #dce4e0;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 7px 22px rgba(23, 48, 39, 0.08);
  padding: 10px;
}

.canvas-minimap-view {
  height: 92px;
  position: relative;
  border: 1px solid #7ab89d;
  border-radius: 5px;
  background: #f8fbf9;
}

.canvas-minimap-view span {
  position: absolute;
  width: 30px;
  height: 18px;
  border-radius: 2px;
  background: #d9ebe2;
}

.canvas-minimap-view span:nth-child(1) { top: 35px; left: 17px; }
.canvas-minimap-view span:nth-child(2) { top: 22px; left: 61px; }
.canvas-minimap-view span:nth-child(3) { top: 52px; left: 66px; }
.canvas-minimap-view span:nth-child(4) { top: 35px; right: 15px; }

.canvas-minimap > div:last-child {
  display: grid;
  grid-template-columns: 34px 1fr 34px;
  align-items: center;
  margin-top: 8px;
  border: 1px solid #edf0ef;
  border-radius: 6px;
}

.canvas-minimap button {
  min-height: 30px;
  border: 0;
  background: transparent;
}

.canvas-minimap b {
  font-size: 11px;
  text-align: center;
}

.canvas-player-bar {
  position: absolute;
  right: 29%;
  bottom: 20px;
  z-index: 12;
  width: min(440px, 42vw);
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid #dde4e1;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 7px 22px rgba(23, 48, 39, 0.08);
  padding: 0 16px;
}

.canvas-player-bar button {
  min-width: 30px;
  min-height: 30px;
  border: 0;
  background: transparent;
  color: #13221c;
  padding: 0;
  font-size: 20px;
}

.canvas-player-bar > span {
  color: #6c7873;
  font-size: 11px;
  white-space: nowrap;
}

.canvas-player-track {
  height: 4px;
  position: relative;
  flex: 1;
  border-radius: 99px;
  background: #e8eeeb;
}

.canvas-player-track span {
  width: 0;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: #27835e;
}

.canvas-run-status {
  position: absolute;
  right: 20px;
  bottom: 84px;
  z-index: 14;
  max-width: 360px;
  border: 1px solid #dce5e1;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.96);
  color: #65716c;
  padding: 9px 12px;
  font-size: 11px;
  line-height: 1.5;
}

.canvas-run-status.running {
  border-color: #efb64a;
  color: #8a6215;
}

.canvas-run-status.success {
  border-color: #6fbd96;
  color: #1f7655;
}

.canvas-run-status.error {
  border-color: #e3a095;
  color: #b84f3f;
}

.canvas-workspace.is-connecting .canvas-run-status {
  top: 16px;
  right: auto;
  bottom: auto;
  left: 50%;
  z-index: 30;
  width: auto;
  max-width: min(620px, calc(100% - 180px));
  transform: translateX(-50%);
  border-color: #9fd5bd;
  background: rgba(244, 252, 248, 0.97);
  box-shadow: 0 10px 28px rgba(22, 71, 53, 0.14);
  color: #17583f;
  font-weight: 800;
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .canvas-connection-preview,
  .canvas-flow-node.connecting-source .canvas-node-port.output::after {
    animation: none;
  }
}

.canvas-preview-dialog {
  width: min(760px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  overflow: auto;
  border: 1px solid #dce4e0;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(12, 31, 24, 0.28);
  padding: 0;
}

.canvas-preview-dialog::backdrop {
  background: rgba(8, 22, 17, 0.58);
  backdrop-filter: blur(3px);
}

.canvas-preview-dialog > header,
.canvas-preview-dialog > footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
}

.canvas-preview-dialog > header {
  border-bottom: 1px solid #e7ece9;
}

.canvas-preview-dialog header p {
  margin: 0 0 3px;
  color: #28815e;
  font-size: 11px;
  font-weight: 900;
}

.canvas-preview-dialog header h2 {
  margin: 0;
  font-size: 18px;
}

.canvas-preview-dialog header button {
  min-width: 38px;
  min-height: 38px;
  border: 0;
  background: #f2f6f4;
  color: #405049;
}

.canvas-preview-dialog video {
  width: min(360px, 88%);
  max-height: 62vh;
  display: block;
  margin: 22px auto 12px;
  border-radius: 8px;
  background: #111;
}

.canvas-preview-empty {
  min-height: 360px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 9px;
  color: #7a8681;
}

.canvas-preview-empty i {
  color: #28815e;
  font-size: 42px;
}

.canvas-preview-empty strong {
  color: #28352f;
}

.canvas-preview-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 7px;
  padding: 8px 22px 18px;
}

.canvas-preview-meta span {
  border: 1px solid #dfe6e2;
  border-radius: 99px;
  background: #f6f9f7;
  color: #59665f;
  padding: 5px 9px;
  font-size: 10px;
}

.canvas-preview-dialog > footer {
  border-top: 1px solid #e7ece9;
}

.canvas-preview-dialog footer button,
.canvas-preview-dialog footer a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid #dce4e0;
  border-radius: 6px;
  background: #fff;
  color: #3c4b44;
  padding: 0 15px;
  font-size: 12px;
  font-weight: 850;
  text-decoration: none;
}

.canvas-preview-dialog footer a {
  border-color: #227b57;
  background: #227b57;
  color: #fff;
}

@media (max-width: 1180px) {
  .canvas-project-heading #canvasSaveState,
  .canvas-top-actions > button:not(.primary):not(#canvasPreviewBtn),
  .canvas-compact-select {
    display: none;
  }

  .canvas-ai-composer {
    right: 3%;
    left: 3%;
  }
}

@media (max-width: 1080px) {
  .canvas-studio {
    left: 196px;
  }
}

@media (max-width: 860px) {
  .canvas-studio {
    top: 116px;
    left: 0;
  }

  .canvas-topbar {
    min-height: 60px;
    padding: 0 12px;
  }

  .canvas-project-heading input {
    width: 190px;
    font-size: 14px;
  }

  .canvas-top-actions #canvasPreviewBtn {
    display: none;
  }

  .canvas-ai-composer {
    top: 72px;
    min-height: 56px;
  }

  .canvas-workspace {
    top: 142px;
  }

  .canvas-minimap,
  .canvas-run-status {
    display: none;
  }

  .canvas-player-bar {
    right: 12px;
    left: 84px;
    width: auto;
  }
}