/* SeqStack Pipeline Builder */

.seq-builder-page {
  padding-bottom: 24px;
}

.seq-builder-grid {
  display: grid;
  grid-template-columns: minmax(230px, 270px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.seq-builder-panel {
  background: #fff;
  border: 1px solid #d7e0e3;
  border-radius: 14px;
  box-shadow: 0 6px 16px rgba(25, 50, 58, 0.07);
  padding: 16px;
}

.seq-builder-panel h3 {
  margin: 0 0 4px;
  color: #07554f;
  font-size: 15px;
}

.seq-builder-panel > .app-subtitle {
  margin-bottom: 12px;
  font-size: 12px;
}

.seq-builder-left {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.seq-builder-pipeline-rack {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 220px;
  overflow: auto;
  padding-right: 2px;
}

.seq-builder-pipeline-tile {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 8px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid #dce4e7;
  border-radius: 10px;
  background: linear-gradient(180deg, #fff 0%, #f8fafb 100%);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.seq-builder-pipeline-tile.is-active {
  border-color: #668442;
  box-shadow: 0 0 0 1px rgba(102, 132, 66, 0.18);
  background: #f7fbf5;
}

.seq-builder-pipeline-tile-head {
  grid-column: 1;
  min-width: 0;
}

.seq-builder-pipeline-tile-head strong {
  display: block;
  font-size: 12px;
  color: #1a3a42;
  line-height: 1.25;
}

.seq-builder-pipeline-tile-meta {
  display: block;
  margin-top: 2px;
  color: #7a8990;
  font-size: 10px;
  font-weight: 650;
}

.seq-builder-pipeline-tile-actions {
  grid-column: 2;
  display: flex;
  gap: 4px;
  align-items: center;
}

.seq-builder-pipeline-load,
.seq-builder-pipeline-delete {
  border: 1px solid #d0d9dc;
  border-radius: 6px;
  background: #fff;
  color: #4a5d64;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  padding: 5px 8px;
}

.seq-builder-pipeline-load {
  color: #07554f;
  border-color: #c5d8d4;
  background: #f4f9f8;
}

.seq-builder-pipeline-load:hover {
  background: #e8f3f1;
}

.seq-builder-pipeline-delete {
  padding: 5px 7px;
  color: #9aa5aa;
}

.seq-builder-pipeline-delete:hover {
  color: #b42318;
  border-color: #e8c9c5;
  background: #fff5f4;
}

.seq-builder-toolbox {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: min(52vh, 520px);
  overflow: auto;
  padding: 2px 2px 4px;
}

/* Shared block chrome */
.seq-builder-piece,
.seq-builder-node {
  --seq-piece-color: #07554f;
  position: relative;
  background: #fff;
  border: 1px solid #d5dee2;
  border-radius: 11px;
  box-shadow: 0 4px 12px rgba(25, 50, 58, 0.06);
  cursor: grab;
  overflow: visible;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.seq-builder-piece::before,
.seq-builder-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  bottom: 7px;
  width: 5px;
  border-radius: 0 5px 5px 0;
  background: var(--seq-piece-color);
}

.seq-builder-piece:hover,
.seq-builder-node:hover {
  transform: translateY(-1px);
  box-shadow: 0 7px 16px rgba(25, 50, 58, 0.1);
}

/* Toolbox pieces — compact */
.seq-builder-piece {
  padding: 10px 10px 10px 14px;
}

.seq-builder-piece-body {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.seq-builder-piece-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 7px;
  background: color-mix(in srgb, var(--seq-piece-color) 12%, white);
  color: var(--seq-piece-color);
  border: 1px solid color-mix(in srgb, var(--seq-piece-color) 22%, white);
  font-size: 10px;
  font-weight: 800;
}

.seq-builder-piece-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.seq-builder-piece-title strong {
  font-size: 12px;
  color: #243b42;
  line-height: 1.2;
}

.seq-builder-piece-status {
  color: #8a979c;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Canvas nodes */
.seq-builder-node {
  padding: 12px 52px 12px 16px;
  min-height: 76px;
}

.seq-builder-node + .seq-builder-node {
  margin-top: 36px;
}

.seq-builder-node + .seq-builder-node::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -37px;
  width: 3px;
  height: 36px;
  transform: translateX(-50%);
  background: #287385;
  border-radius: 3px;
  opacity: 0.32;
}

.seq-builder-node-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.seq-builder-node-head strong {
  font-size: 13px;
  color: #243b42;
}

.seq-builder-node-desc {
  margin: 6px 0 0;
  color: #66767c;
  font-size: 11px;
  line-height: 1.35;
}

.seq-builder-node-ports {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.seq-builder-port-summary {
  padding: 2px 6px;
  border-radius: 999px;
  background: #f3f6f7;
  border: 1px solid #dfe7e9;
  color: #61737a;
  font-size: 8px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.seq-builder-remove,
.seq-builder-parameters-button {
  position: absolute;
  top: 6px;
  border: 1px solid #d9e2e5;
  border-radius: 6px;
  background: #fff;
  color: #7a8990;
  cursor: pointer;
  z-index: 8;
  line-height: 1;
}

.seq-builder-remove {
  right: 6px;
  border: 0;
  background: transparent;
  font-size: 16px;
  padding: 2px 4px;
}

.seq-builder-remove:hover {
  color: #b42318;
}

.seq-builder-parameters-button {
  right: 30px;
  width: 22px;
  height: 22px;
  font-size: 11px;
}

.seq-builder-parameters-button:hover,
.seq-builder-parameters-button[aria-expanded="true"] {
  color: #07554f;
  border-color: #aac2c3;
  background: #f4f9f8;
}

/* Typed ports */
.seq-builder-port-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}

.seq-builder-input-dock,
.seq-builder-main-output-dock,
.seq-builder-side-output-dock {
  position: absolute;
  display: flex;
  gap: 7px;
  align-items: center;
}

.seq-builder-input-dock {
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
}

.seq-builder-main-output-dock {
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
}

.seq-builder-side-output-dock {
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  flex-direction: column;
}

.seq-builder-artifact-port {
  --seq-port-color: #287385;
  position: relative;
  display: flex;
  align-items: center;
  gap: 5px;
}

.seq-builder-port-glyph {
  width: 14px;
  height: 14px;
  display: block;
  flex: 0 0 14px;
  background: var(--seq-port-color);
  border: 2px solid #fff;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--seq-port-color) 70%, #84949a);
  transition: filter 0.14s ease, transform 0.14s ease;
}

.seq-builder-artifact-port.shape-square .seq-builder-port-glyph {
  border-radius: 3px;
}

.seq-builder-artifact-port.shape-circle .seq-builder-port-glyph {
  border-radius: 50%;
}

.seq-builder-artifact-port.shape-triangle .seq-builder-port-glyph {
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  border: 0;
  width: 15px;
  height: 13px;
  flex-basis: 15px;
  box-shadow: none;
}

.seq-builder-artifact-port.shape-diamond .seq-builder-port-glyph {
  border-radius: 2px;
  transform: rotate(45deg) scale(0.82);
}

.seq-builder-port-label {
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid color-mix(in srgb, var(--seq-port-color) 34%, #d8e1e4);
  color: #51666e;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.seq-builder-port-layer.compact .seq-builder-port-label {
  display: none;
}

.seq-builder-port-layer.compact .seq-builder-port-glyph {
  width: 11px;
  height: 11px;
  flex-basis: 11px;
  border-width: 2px;
}

.seq-builder-port-layer.compact .seq-builder-input-dock {
  top: -6px;
}

.seq-builder-port-layer.compact .seq-builder-main-output-dock {
  bottom: -6px;
}

.seq-builder-port-layer.compact .seq-builder-side-output-dock {
  right: -6px;
}

.seq-builder-artifact-port.is-compatible .seq-builder-port-glyph {
  filter: drop-shadow(0 0 3px var(--seq-port-color)) drop-shadow(0 0 6px var(--seq-port-color));
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px color-mix(in srgb, var(--seq-port-color) 55%, transparent);
  animation: seq-port-pulse 0.85s ease-in-out infinite alternate;
}

.seq-builder-node.has-compatible-port {
  border-color: color-mix(in srgb, #668442 48%, #d5dee2);
  box-shadow: 0 8px 18px rgba(102, 132, 66, 0.12);
}

@keyframes seq-port-pulse {
  from { opacity: 0.72; }
  to { opacity: 1; }
}

/* Parameters */
.seq-builder-parameter-panel {
  display: none;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
  margin-top: 10px;
  padding: 10px;
  border: 1px solid #dfe7e9;
  border-radius: 8px;
  background: #f8faf9;
}

.seq-builder-parameter-panel.is-open {
  display: grid;
}

.seq-builder-piece .seq-builder-parameter-template {
  display: none !important;
}

.seq-builder-param-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin: 0;
  color: #44575e;
  font-size: 10px;
  font-weight: 700;
}

.seq-builder-param-row small {
  color: #89969b;
  font-size: 9px;
  font-weight: 500;
  line-height: 1.25;
}

.seq-builder-param-input {
  width: 100%;
  min-height: 28px;
  padding: 3px 6px;
  border: 1px solid #ced9dc;
  border-radius: 6px;
  background: #fff;
  color: #263b42;
  font-size: 11px;
}

.seq-builder-param-empty {
  color: #89969b;
  font-size: 10px;
}

.seq-builder-param-note {
  grid-column: 1 / -1;
  padding-top: 2px;
  color: #89969b;
  font-size: 9px;
}

/* Canvas */
.seq-builder-canvas-toolbar {
  display: flex;
  gap: 8px;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.seq-builder-canvas-toolbar h3 {
  margin-bottom: 2px;
}

.seq-builder-canvas-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.seq-builder-workspace-scroll {
  width: 100%;
  overflow: auto;
  padding: 2px 2px 8px;
}

.seq-builder-canvas {
  position: relative;
  min-height: 640px;
  min-width: 720px;
  border: 1.5px dashed #cbd7db;
  border-radius: 12px;
  padding: 48px 56px 64px;
  background-color: #f9fbfa;
  background-image:
    linear-gradient(rgba(188, 203, 208, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(188, 203, 208, 0.18) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(247, 250, 249, 0.8));
  background-size: 24px 24px, 24px 24px, 100% 100%;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.seq-builder-canvas::after {
  content: "WORKING BOARD";
  position: absolute;
  right: 14px;
  bottom: 10px;
  color: #a4b1b6;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.seq-builder-canvas.is-over {
  border-color: #668442;
  background-color: #f8fbf5;
  box-shadow: inset 0 0 0 2px rgba(102, 132, 66, 0.07);
}

.seq-builder-stack {
  width: min(520px, 78%);
  margin: 12px auto 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.seq-builder-empty {
  text-align: center;
  color: #89999f;
  padding: 240px 16px;
  font-size: 13px;
  font-weight: 650;
}

.seq-builder-contract {
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid #dfe8da;
  border-radius: 10px;
  background: #fbfdf9;
  color: #56676c;
  font-size: 11px;
  line-height: 1.4;
}

.seq-builder-contract strong {
  color: #07554f;
}

/* Stack preview (shared) */
.seq-stack-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.seq-stack-preview-node {
  min-width: 120px;
  padding: 5px 8px;
  display: flex;
  gap: 6px;
  align-items: center;
  background: #fff;
  border: 1px solid #d7e0e3;
  border-left: 4px solid var(--seq-piece-color);
  border-radius: 7px;
  box-shadow: 0 2px 6px rgba(25, 50, 58, 0.05);
  font-size: 10px;
  font-weight: 700;
  color: #354f58;
}

.seq-stack-preview-icon {
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  background: #f3f6f6;
  color: #07554f;
  font-size: 8px;
  font-weight: 800;
}

.seq-stack-preview-link {
  width: 2px;
  height: 8px;
  background: #b8c7cb;
}

.seq-stack-preview.compact .seq-stack-preview-node {
  min-width: 110px;
  padding: 4px 7px;
}

/* Delete modal */
.seq-builder-modal {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(16, 35, 42, 0.42);
}

.seq-builder-modal[hidden] {
  display: none !important;
}

.seq-builder-modal-card {
  width: min(420px, 100%);
  padding: 20px 22px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid #d7e0e3;
  box-shadow: 0 16px 40px rgba(16, 35, 42, 0.18);
}

.seq-builder-modal-card h4 {
  margin: 0 0 8px;
  color: #07554f;
  font-size: 16px;
}

.seq-builder-modal-card p {
  margin: 0 0 16px;
  color: #56676c;
  font-size: 13px;
  line-height: 1.45;
}

.seq-builder-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.seq-builder-save-name-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0 0 16px;
  color: #44575e;
  font-size: 12px;
  font-weight: 700;
}

.seq-builder-save-name-input {
  width: 100%;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid #ced9dc;
  border-radius: 8px;
  background: #fff;
  color: #263b42;
  font-size: 13px;
}

.seq-builder-pipeline-tile.is-custom {
  border-style: dashed;
}

@media (max-width: 900px) {
  .seq-builder-grid {
    grid-template-columns: 1fr;
  }

  .seq-builder-canvas {
    min-width: 100%;
  }
}