.masterplan-shell {
  --mp-blue: #1f5eff;
  --mp-green: #16855b;
  --mp-amber: #b66b00;
  --mp-red: #c63c32;
  position: relative;
  width: calc(100vw - 24px);
  max-width: 1680px;
  margin: 0.8rem 50%;
  transform: translateX(-50%);
  font-family: "Inter", Arial, sans-serif;
}

.masterplan-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 28px;
  padding: 0 0 0.35rem;
}

.masterplan-heading {
  display: flex;
  min-width: 0;
  align-items: baseline;
  gap: 0.55rem;
}

.masterplan-header h1 {
  flex: 0 0 auto;
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: -0.045em;
}

.masterplan-heading p {
  overflow: hidden;
  margin: 0;
  color: var(--text-description);
  font-size: 0.56rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.masterplan-summary {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-secondary);
  font-size: 0.52rem;
}

.masterplan-summary span {
  display: inline-flex;
  align-items: baseline;
  gap: 0.22rem;
  white-space: nowrap;
}

.masterplan-summary strong {
  color: var(--text);
  font-size: 0.58rem;
  letter-spacing: -0.02em;
}

.masterplan-toolbar {
  display: flex;
  min-height: 40px;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0 0 0.55rem;
}

.masterplan-tool-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.masterplan-camera-tools {
  padding: 3px;
  background: var(--bg-subtle);
  border-radius: 5px;
}

.masterplan-toolbar-context {
  flex: 1;
  color: var(--text-secondary);
  font-size: 10px;
  text-align: center;
}

.masterplan-toolbar button,
.masterplan-list-toggle,
.masterplan-inspector button,
.masterplan-json-link {
  min-height: 32px;
  padding: 6px 10px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  font: 600 11px/1 "Inter", Arial, sans-serif;
  text-decoration: none;
  cursor: pointer;
}

.masterplan-toolbar button:hover,
.masterplan-list-toggle:hover,
.masterplan-inspector button:hover,
.masterplan-json-link:hover {
  color: var(--bg);
  background: var(--text);
  border-color: var(--text);
}

.masterplan-toolbar button:focus-visible,
.masterplan-list-toggle:focus-visible,
.masterplan-inspector button:focus-visible,
.masterplan-node:focus-visible {
  outline: 3px solid #4c8dff;
  outline-offset: 2px;
}

.masterplan-toolbar button:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.masterplan-toolbar .masterplan-save {
  color: #fff;
  background: var(--mp-blue);
  border-color: var(--mp-blue);
}

.masterplan-toolbar .masterplan-save[data-dirty="true"] {
  box-shadow: 0 0 0 3px rgba(31, 94, 255, 0.2);
}

.masterplan-save-status {
  min-width: 58px;
  color: var(--text-secondary);
  font-size: 10px;
}

.masterplan-save-status[data-state="error"] {
  color: var(--mp-red);
}

.masterplan-save-status[data-state="saving"] {
  color: var(--mp-blue);
}

.masterplan-inspector select,
.masterplan-inspector input,
.masterplan-inspector textarea {
  min-height: 32px;
  padding: 6px 8px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 2px;
  font: 500 12px/1.3 "Inter", Arial, sans-serif;
}

.masterplan-status-bar {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 9px;
  padding: 0 0 0.55rem;
}

.masterplan-status-label {
  flex: 0 0 auto;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 600;
}

.masterplan-status-options {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 3px;
}

.masterplan-status-option {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  gap: 5px;
  padding: 5px 8px;
  color: var(--text-secondary);
  background: transparent;
  border: 0;
  border-radius: 99px;
  font: 600 10px/1 "Inter", Arial, sans-serif;
  white-space: nowrap;
  cursor: pointer;
}

.masterplan-status-option span {
  display: inline-grid;
  min-width: 17px;
  min-height: 17px;
  place-items: center;
  padding: 0 4px;
  color: var(--text-secondary);
  background: var(--bg-muted);
  border-radius: 99px;
  font-size: 9px;
}

.masterplan-status-option:hover {
  color: var(--text);
  background: var(--bg-subtle);
}

.masterplan-status-option[aria-pressed="true"] {
  color: var(--button-text);
  background: var(--button-bg);
}

.masterplan-status-option[aria-pressed="true"] span {
  color: var(--button-bg);
  background: var(--button-text);
}

.masterplan-status-option:focus-visible {
  outline: 3px solid #4c8dff;
  outline-offset: 2px;
}

.masterplan-filter-feedback {
  margin-left: auto;
  color: var(--text-secondary);
  font-size: 10px;
  white-space: nowrap;
}

.masterplan-help {
  margin: 0;
  padding: 0 0 0.45rem;
  color: var(--text-secondary);
  font-size: 0.58rem;
}

.masterplan-workspace {
  position: relative;
  display: flex;
  height: min(72vh, 820px);
  min-height: 560px;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.masterplan-stage {
  position: relative;
  flex: 1;
  overflow: hidden;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--border-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-faint) 1px, transparent 1px);
  background-size: 24px 24px;
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.masterplan-stage[data-panning="true"] {
  cursor: grabbing;
}

.masterplan-stage:focus-visible {
  outline: 3px solid #4c8dff;
  outline-offset: -3px;
}

.masterplan-world {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  will-change: transform;
}

.masterplan-shell[data-camera-animating="true"] .masterplan-world {
  transition: transform 320ms cubic-bezier(0.2, 0.75, 0.2, 1);
}

.masterplan-ruler {
  position: absolute;
  z-index: 20;
  top: 0;
  right: 0;
  left: 0;
  height: 52px;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  pointer-events: none;
}

.masterplan-ruler-ticks {
  position: absolute;
  inset: 0;
}

.masterplan-ruler-tick {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  padding: 11px 0 0 7px;
  color: var(--text-secondary);
  border-left: 1px solid var(--border);
  font-size: 9px;
  font-weight: 600;
  white-space: nowrap;
}

.masterplan-ruler-tick b {
  color: var(--text);
  font-size: 10px;
  font-weight: 600;
}

.masterplan-ruler-tick.is-minor {
  top: 28px;
  height: 100%;
  border-left-color: var(--border-faint);
}

.masterplan-ruler-resolution {
  position: absolute;
  z-index: 2;
  top: 8px;
  right: 8px;
  padding: 4px 6px;
  color: var(--text-secondary);
  background: var(--bg);
  border-radius: 2px;
  box-shadow: 0 0 0 6px var(--bg);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.masterplan-today-line {
  position: absolute;
  z-index: 19;
  top: 0;
  bottom: 0;
  width: 1px;
  background: #ff4d3d;
  pointer-events: none;
}

.masterplan-today-line[hidden] {
  display: none;
}

.masterplan-today-line span {
  position: absolute;
  top: 56px;
  left: 5px;
  padding: 2px 5px;
  color: #fff;
  background: #e43d30;
  font: 700 9px/1.2 "Inter", Arial, sans-serif;
  text-transform: uppercase;
}

.masterplan-edges {
  position: absolute;
  z-index: 3;
  top: 0;
  left: 0;
  overflow: visible;
  pointer-events: none;
}

.masterplan-edge {
  fill: none;
  stroke: color-mix(in srgb, var(--text-secondary) 68%, transparent);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.masterplan-nodes {
  position: absolute;
  z-index: 4;
  top: 0;
  left: 0;
}

.masterplan-node {
  position: absolute;
  display: grid;
  min-height: 118px;
  overflow: hidden;
  padding: 12px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-top: 4px solid var(--mp-blue);
  border-radius: 4px;
  box-shadow: 0 7px 18px rgba(0, 0, 0, 0.09);
  cursor: pointer;
  transition: box-shadow 120ms ease, opacity 120ms ease;
}

.masterplan-node.is-filtered-out,
.masterplan-node[hidden] {
  display: none !important;
}

.masterplan-node:hover {
  border-color: var(--border-strong);
  box-shadow: 0 11px 28px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .masterplan-node {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.55);
}

[data-editable="true"] .masterplan-node {
  cursor: grab;
}

[data-editable="true"] .masterplan-node[data-dragging="true"] {
  z-index: 10;
  cursor: grabbing;
  box-shadow: 0 16px 40px rgba(31, 94, 255, 0.24);
}

.masterplan-node[data-selected="true"] {
  box-shadow: 0 0 0 4px rgba(31, 94, 255, 0.22), 0 10px 28px rgba(0, 0, 0, 0.16);
}

.masterplan-node[data-status="active"] { border-top-color: var(--mp-green); }
.masterplan-node[data-status="planned"] { border-top-color: var(--mp-blue); }
.masterplan-node[data-status="idea"] { border-top-color: #8264d6; }
.masterplan-node[data-status="blocked"] { border-top-color: var(--mp-red); }
.masterplan-node[data-status="paused"] { border-top-color: var(--mp-amber); }
.masterplan-node[data-status="done"] { border-top-color: #6b7280; }

.masterplan-node[data-kind="task"] {
  min-height: 104px;
  background: color-mix(in srgb, var(--bg-subtle) 72%, var(--bg));
}

.masterplan-node[data-kind="milestone"] {
  border-style: dashed;
}

.masterplan-node-meta,
.masterplan-node-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 9px;
}

.masterplan-node-kind {
  max-width: 64%;
  overflow: hidden;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.masterplan-node-status {
  padding: 2px 5px;
  background: var(--bg-muted);
  border-radius: 99px;
  font-weight: 700;
}

.masterplan-node[data-status="active"] .masterplan-node-status { color: #0d6f4a; background: rgba(22, 133, 91, 0.12); }
.masterplan-node[data-status="planned"] .masterplan-node-status { color: #2454c6; background: rgba(31, 94, 255, 0.12); }
.masterplan-node[data-status="blocked"] .masterplan-node-status { color: #a83029; background: rgba(198, 60, 50, 0.12); }
.masterplan-node[data-status="paused"] .masterplan-node-status { color: #955800; background: rgba(182, 107, 0, 0.14); }
.masterplan-node[data-status="idea"] .masterplan-node-status { color: #6b49c0; background: rgba(130, 100, 214, 0.13); }
.masterplan-node[data-status="done"] .masterplan-node-status { color: var(--text-secondary); }

[data-theme="dark"] .masterplan-node[data-status="active"] .masterplan-node-status { color: #6bd6ac; }
[data-theme="dark"] .masterplan-node[data-status="planned"] .masterplan-node-status { color: #86a9ff; }
[data-theme="dark"] .masterplan-node[data-status="blocked"] .masterplan-node-status { color: #ff8c83; }
[data-theme="dark"] .masterplan-node[data-status="paused"] .masterplan-node-status { color: #f2bb62; }
[data-theme="dark"] .masterplan-node[data-status="idea"] .masterplan-node-status { color: #bda7ff; }

.masterplan-node h2 {
  overflow: hidden;
  margin: 7px 0 2px;
  font-size: 15px;
  letter-spacing: -0.025em;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.masterplan-node p {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--text-description);
  font-size: 10px;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.masterplan-node-footer {
  align-self: end;
  margin-top: 9px;
}

.masterplan-progress {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--bg-muted);
}

.masterplan-progress i {
  display: block;
  height: 100%;
  background: currentColor;
}

.masterplan-shell[data-compact="true"] .masterplan-node {
  min-height: 66px;
  padding: 8px;
}

.masterplan-shell[data-compact="true"] .masterplan-node p,
.masterplan-shell[data-compact="true"] .masterplan-node-footer {
  display: none;
}

.masterplan-shell[data-compact="true"] .masterplan-node h2 {
  margin-top: 5px;
  font-size: 12px;
}

.masterplan-loading {
  position: absolute;
  z-index: 20;
  top: 50%;
  left: 50%;
  padding: 10px 14px;
  color: var(--text-secondary);
  background: var(--bg);
  border: 1px solid var(--border);
  transform: translate(-50%, -50%);
  font-size: 11px;
}

.masterplan-empty {
  position: absolute;
  z-index: 20;
  top: 50%;
  left: 50%;
  display: grid;
  min-width: min(310px, calc(100% - 32px));
  justify-items: center;
  gap: 6px;
  padding: 20px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 5px;
  box-shadow: var(--shadow-soft);
  transform: translate(-50%, -50%);
  text-align: center;
}

.masterplan-empty[hidden] {
  display: none;
}

.masterplan-empty strong {
  font-size: 14px;
}

.masterplan-empty span {
  color: var(--text-secondary);
  font-size: 11px;
}

.masterplan-empty button {
  margin-top: 5px;
  padding: 7px 10px;
  color: var(--button-text);
  background: var(--button-bg);
  border: 0;
  border-radius: 3px;
  font: 600 10px/1 "Inter", Arial, sans-serif;
  cursor: pointer;
}

.masterplan-inspector {
  z-index: 30;
  width: min(360px, 34vw);
  flex: 0 0 min(360px, 34vw);
  overflow-y: auto;
  padding: 14px;
  background: var(--bg);
  border-left: 1px solid var(--border);
  box-shadow: -12px 0 32px rgba(0, 0, 0, 0.08);
}

.masterplan-inspector-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.masterplan-inspector-head button {
  min-width: 32px;
  padding: 4px;
  font-size: 18px;
}

.masterplan-inspector form {
  display: grid;
  gap: 10px;
}

.masterplan-inspector label {
  display: grid;
  gap: 4px;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 600;
}

.masterplan-inspector input,
.masterplan-inspector select,
.masterplan-inspector textarea {
  width: 100%;
  color: var(--text);
}

.masterplan-inspector textarea {
  min-height: 70px;
  resize: vertical;
}

.masterplan-inspector input:disabled,
.masterplan-inspector select:disabled,
.masterplan-inspector textarea:disabled {
  padding-left: 0;
  color: var(--text);
  background: transparent;
  border-color: transparent;
  opacity: 1;
  -webkit-text-fill-color: var(--text);
}

.masterplan-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.masterplan-inspector-actions {
  display: flex;
  justify-content: space-between;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.masterplan-inspector .masterplan-delete {
  color: var(--mp-red);
  border-color: var(--mp-red);
}

.masterplan-list-wrap {
  padding: 0.6rem 0 0;
}

.masterplan-list-toggle {
  background: transparent;
}

.masterplan-list {
  margin-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.masterplan-list article {
  display: grid;
  grid-template-columns: minmax(180px, 1.2fr) minmax(180px, 2fr) auto auto;
  gap: 1rem;
  align-items: start;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.7rem;
}

.masterplan-list h2,
.masterplan-list p {
  margin: 0;
  font-size: inherit;
}

.masterplan-list small {
  color: var(--text-secondary);
}

@media (max-width: 900px) {
  .masterplan-toolbar {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .masterplan-toolbar-context {
    display: none;
  }

  .masterplan-status-bar {
    flex-wrap: wrap;
  }

  .masterplan-status-options {
    flex: 1 1 calc(100% - 44px);
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: thin;
  }

  .masterplan-filter-feedback {
    width: 100%;
    margin-left: 38px;
  }

  .masterplan-editor-tools {
    order: 3;
    width: 100%;
  }

  .masterplan-workspace {
    height: 68vh;
    min-height: 520px;
  }

  .masterplan-inspector {
    position: absolute;
    inset: 0 0 0 auto;
    width: min(380px, 92%);
  }

  .masterplan-list article {
    grid-template-columns: 1fr auto;
  }

  .masterplan-list article p {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .masterplan-shell {
    width: 100vw;
    margin-top: 0.35rem;
  }

  .masterplan-header,
  .masterplan-toolbar,
  .masterplan-status-bar,
  .masterplan-help,
  .masterplan-list-wrap {
    margin-right: 12px;
    margin-left: 12px;
  }

  .masterplan-summary {
    gap: 0.45rem;
  }

  .masterplan-heading p {
    max-width: 36vw;
  }

  .masterplan-toolbar {
    padding: 5px;
  }

  .masterplan-status-label {
    display: none;
  }

  .masterplan-status-options {
    flex-basis: 100%;
  }

  .masterplan-filter-feedback {
    margin-left: 0;
  }

  .masterplan-help {
    font-size: 9px;
  }

  .masterplan-workspace {
    min-height: 500px;
    border-right: 0;
    border-left: 0;
  }

  .masterplan-inspector {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .masterplan-world,
  .masterplan-node {
    transition: none;
  }
}