/* ==========================================================================
   Session Builder v2
   Scoped under `.sb` so it can sit alongside existing page styles.
   ========================================================================== */

.sb {
  --sb-green: #034638;
  --sb-green-dark: #023329;
  --sb-green-08: rgba(3, 70, 56, 0.08);
  --sb-green-18: rgba(3, 70, 56, 0.18);
  --sb-purple: #582c83;
  --sb-turq: #0097a0;
  --sb-bright: #a6bb48;
  --sb-warn: #c88b1b;
  --sb-warn-bg: #fbf3de;
  --sb-warn-border: #eddeb0;
  --sb-danger: #b3261e;
  --sb-danger-bg: #fbe6e3;
  --sb-danger-border: #f1c6c1;
  --sb-canvas: #f6f4ee;
  --sb-canvas-2: #faf8f3;
  --sb-paper: #fff;
  --sb-line: #e4e0d3;
  --sb-line-soft: #efebe0;
  --sb-ink: #111411;
  --sb-ink-2: #2a2e2b;
  --sb-mute: #6b6f6a;
  --sb-mute-2: #8b8f89;
  --sb-font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --sb-font-serif: "Newsreader", Georgia, serif;
  --sb-font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --sb-space-1: 4px;
  --sb-space-2: 8px;
  --sb-space-3: 12px;
  --sb-space-4: 16px;
  --sb-space-5: 20px;
  --sb-space-6: 24px;
  --sb-space-7: 32px;
  --sb-space-8: 48px;
  --sb-r-sm: 8px;
  --sb-r-md: 12px;
  --sb-r-lg: 14px;
  --sb-r-pill: 999px;
  --sb-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --sb-shadow-md: 0 6px 24px -8px rgba(3, 50, 40, 0.25);
  --sb-h-header: 60px;
  --sb-h-stepper: 52px;
  --sb-h-rail: 72px;
  min-height: 100vh;
  margin: 0;
  display: grid;
  grid-template-rows: var(--sb-h-header) var(--sb-h-stepper) 1fr var(--sb-h-rail);
  background: var(--sb-canvas);
  color: var(--sb-ink);
  font-family: var(--sb-font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  .sb,
  .sb * {
    transition: none !important;
    animation: none !important;
  }
}

.sb *,
.sb *::before,
.sb *::after {
  box-sizing: border-box;
}

.sb h1,
.sb h2,
.sb h3,
.sb h4 {
  margin: 0;
  font-weight: 500;
}

.sb p {
  margin: 0;
}

.sb ol,
.sb ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.sb button {
  font: inherit;
  color: inherit;
}

.sb [hidden] {
  display: none !important;
}

.sb a {
  color: inherit;
  text-decoration: none;
}

.sb a:focus-visible,
.sb button:focus-visible,
.sb input:focus-visible,
.sb textarea:focus-visible,
.sb select:focus-visible,
.sb summary:focus-visible {
  outline: 2px solid var(--sb-green);
  outline-offset: 2px;
}

.sb-eyebrow {
  font-family: var(--sb-font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sb-turq);
  font-weight: 500;
  line-height: 1;
}

.sb-eyebrow--mute {
  color: var(--sb-mute-2);
}

.sb-title {
  margin: 6px 0 8px;
  color: var(--sb-green-dark);
  font-family: var(--sb-font-serif);
  font-size: 34px;
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.sb-lede {
  max-width: 660px;
  margin: 0 0 var(--sb-space-7);
  color: var(--sb-mute);
  font-size: 14.5px;
  line-height: 1.55;
}

.sb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sb-space-2);
  height: 36px;
  padding: 0 var(--sb-space-4);
  border: 1px solid transparent;
  border-radius: var(--sb-r-pill);
  cursor: pointer;
  font-family: var(--sb-font-sans);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.05s;
}

.sb-btn:active {
  transform: translateY(1px);
}

.sb-btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}

.sb-btn--sm {
  height: 28px;
  padding: 0 var(--sb-space-3);
  font-size: 12px;
}

.sb-btn--lg {
  height: 44px;
  padding: 0 22px;
  font-size: 14px;
}

.sb-btn--primary {
  border-color: var(--sb-green);
  background: var(--sb-green);
  color: #fff;
}

.sb-btn--primary,
.sb-btn--primary > span,
.sb-btn--primary > i {
  color: #fff;
}

.sb-btn--primary:hover:not([disabled]) {
  border-color: var(--sb-green-dark);
  background: var(--sb-green-dark);
}

.sb-btn--ghost {
  border-color: var(--sb-line);
  background: transparent;
  color: var(--sb-ink);
}

.sb-btn--ghost:hover {
  background: var(--sb-canvas-2);
}

.sb-btn--danger {
  border-color: var(--sb-line);
  background: var(--sb-paper);
  color: var(--sb-danger);
}

.sb-btn--danger:hover {
  border-color: var(--sb-danger-border);
  background: var(--sb-danger-bg);
}

.sb-btn--link {
  height: auto;
  padding: 0;
  border-color: transparent;
  background: transparent;
  color: var(--sb-green);
}

.sb-btn--link:hover {
  text-decoration: underline;
}

.sb-icon-btn {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r-sm);
  background: var(--sb-paper);
  color: var(--sb-mute);
  cursor: pointer;
  font-size: 10px;
  transition: background 0.15s, color 0.15s;
}

.sb-icon-btn:hover {
  background: var(--sb-canvas-2);
  color: var(--sb-ink);
}

.sb-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px var(--sb-space-2);
  border: 1px solid transparent;
  border-radius: var(--sb-r-pill);
  font-family: var(--sb-font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.sb-chip__dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.85;
}

.sb-chip--neutral {
  border-color: var(--sb-line);
  background: var(--sb-canvas);
  color: var(--sb-mute);
}

.sb-chip--green {
  border-color: var(--sb-green-18);
  background: var(--sb-green-08);
  color: var(--sb-green);
}

.sb-chip--green .sb-chip__dot {
  background: var(--sb-bright);
}

.sb-chip--warn {
  border-color: var(--sb-warn-border);
  background: var(--sb-warn-bg);
  color: var(--sb-warn);
}

.sb-chip--warn .sb-chip__dot {
  background: var(--sb-warn);
}

.sb-chip--danger {
  border-color: var(--sb-danger-border);
  background: var(--sb-danger-bg);
  color: var(--sb-danger);
}

.sb-header {
  position: sticky;
  top: 0;
  z-index: 5;
  grid-row: 1;
  display: flex;
  align-items: center;
  gap: var(--sb-space-3);
  padding: 0 var(--sb-space-5);
  border-bottom: 1px solid var(--sb-line);
  background: var(--sb-paper);
}

.sb-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--sb-green);
  font-size: 15px;
  font-weight: 700;
}

.sb-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--sb-green);
  color: #fff;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.sb-logo__text {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.15em;
  transform: rotateZ(-270deg) rotateX(180deg);
}

.sb-sep {
  width: 1px;
  height: 22px;
  margin: 0 4px;
  background: var(--sb-line);
}

.sb-backlink {
  display: inline-flex;
  align-items: center;
  gap: var(--sb-space-2);
  color: var(--sb-mute);
  font-size: 12.5px;
}

.sb-backlink:hover {
  color: var(--sb-ink);
}

.sb-context {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-left: var(--sb-space-3);
  line-height: 1.1;
}

.sb-context__title {
  color: var(--sb-ink);
  font-family: var(--sb-font-serif);
  font-size: 15px;
  white-space: nowrap;
}

.sb-header__spacer {
  flex: 1;
}

.sb-autosave {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--sb-mute);
  font-size: 11.5px;
}

.sb-autosave__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sb-bright);
  flex-shrink: 0;
}

.sb-autosave[data-autosave-state="saving"] .sb-autosave__dot {
  background: var(--sb-turq);
  animation: sb-pulse 1s infinite ease-in-out;
}

.sb-autosave[data-autosave-state="error"] .sb-autosave__dot {
  background: var(--sb-danger);
}

.sb-autosave[data-autosave-state="dirty"] .sb-autosave__dot {
  background: var(--sb-warn);
}

.sb-autosave[data-autosave-state="error"] {
  color: var(--sb-danger);
}

@keyframes sb-pulse {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.35;
  }
}

.sb-menu {
  position: relative;
}

.sb-menu > summary {
  list-style: none;
  cursor: pointer;
}

.sb-menu > summary::-webkit-details-marker {
  display: none;
}

.sb-menu__pop {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 220px;
  padding: 6px;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r-md);
  background: var(--sb-paper);
  box-shadow: var(--sb-shadow-md);
}

.sb-menu__pop button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border: 0;
  border-radius: var(--sb-r-sm);
  background: transparent;
  color: var(--sb-ink);
  cursor: pointer;
  font-size: 13px;
  text-align: left;
}

.sb-menu__pop button:hover {
  background: var(--sb-canvas);
}

.sb-menu__pop button.is-danger {
  color: var(--sb-danger);
}

.sb-menu__pop hr {
  margin: 4px 2px;
  border: 0;
  border-top: 1px solid var(--sb-line-soft);
}

.sb-stepper {
  position: sticky;
  top: var(--sb-h-header);
  z-index: 4;
  grid-row: 2;
  display: flex;
  align-items: center;
  padding: 10px var(--sb-space-6);
  border-bottom: 1px solid var(--sb-line);
  background: var(--sb-paper);
}

.sb-stepper__list {
  display: flex;
  align-items: center;
  flex: 1;
}

.sb-step {
  display: flex;
}

.sb-step__btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 2px;
  border: 0;
  border-radius: var(--sb-r-sm);
  background: transparent;
  cursor: pointer;
}

.sb-step__btn:hover {
  background: var(--sb-canvas-2);
}

.sb-step__dot {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1.5px solid var(--sb-line);
  border-radius: 50%;
  background: var(--sb-canvas);
  color: var(--sb-mute-2);
  flex-shrink: 0;
  font-family: var(--sb-font-mono);
  font-size: 11px;
  font-weight: 600;
}

.sb-step[data-status="complete"] .sb-step__dot {
  border-color: var(--sb-green);
  background: var(--sb-green);
  color: #fff;
  font-size: 9px;
}

.sb-step[data-status="current"] .sb-step__dot {
  border-color: var(--sb-green);
  background: var(--sb-paper);
  color: var(--sb-green);
}

.sb-step[data-status="error"] .sb-step__dot {
  border-color: var(--sb-warn);
  background: var(--sb-paper);
  color: var(--sb-warn);
}

.sb-step__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  line-height: 1.1;
}

.sb-step__label {
  color: var(--sb-mute);
  font-size: 13px;
  font-weight: 500;
}

.sb-step[data-status="current"] .sb-step__label,
.sb-step[data-status="complete"] .sb-step__label {
  color: var(--sb-ink);
}

.sb-step[data-status="current"] .sb-step__label {
  font-weight: 600;
}

.sb-step[data-status="error"] .sb-step__label {
  color: var(--sb-warn);
}

.sb-step__hint {
  color: var(--sb-mute-2);
  font-family: var(--sb-font-mono);
  font-size: 10.5px;
}

.sb-step__rail {
  position: relative;
  top: -6px;
  flex: 1;
  height: 1px;
  margin: 0 var(--sb-space-4);
  background: var(--sb-line);
}

.sb-steppill {
  display: none;
}

.sb-main {
  grid-row: 3;
  overflow: auto;
  padding: var(--sb-space-7) var(--sb-space-8) var(--sb-space-8);
}

.sb-screen__inner {
  max-width: 1080px;
  margin: 0 auto;
}

.sb-screen__inner--narrow {
  max-width: 880px;
}

.sb-form {
  display: flex;
  flex-direction: column;
  gap: var(--sb-space-5);
  max-width: 720px;
}

.sb-field {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.sb-field--grow {
  flex: 2;
}

.sb-field__row {
  display: flex;
  gap: var(--sb-space-4);
}

.sb-field label {
  color: var(--sb-ink-2);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.sb-optional {
  margin-left: 4px;
  color: var(--sb-mute-2);
  font-size: 11px;
  font-weight: 400;
}

.sb-field input,
.sb-field select,
.sb-field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r-sm);
  background: var(--sb-paper);
  color: var(--sb-ink);
  font: inherit;
  font-size: 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.sb-field textarea {
  resize: vertical;
  font-family: inherit;
}

.sb-field input:focus,
.sb-field select:focus,
.sb-field textarea:focus {
  outline: 0;
  border-color: var(--sb-green);
  box-shadow: 0 0 0 3px var(--sb-green-08);
}

.sb-field input[readonly] {
  background: var(--sb-canvas-2);
  color: var(--sb-mute);
  cursor: not-allowed;
}

.sb-field input[readonly]:focus {
  border-color: var(--sb-line);
  box-shadow: none;
}

.sb-field__hint {
  color: var(--sb-mute-2);
  font-size: 11.5px;
}

.sb-topics {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}

.sb-topic {
  display: flex;
  gap: var(--sb-space-4);
  padding: 18px;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r-lg);
  background: var(--sb-paper);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.sb-topic:hover {
  border-color: var(--sb-green-18);
  box-shadow: var(--sb-shadow-sm);
}

.sb-topic__num {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--sb-line);
  border-radius: 50%;
  background: var(--sb-canvas);
  color: var(--sb-mute);
  flex-shrink: 0;
  font-family: var(--sb-font-mono);
  font-size: 11px;
}

.sb-topic__body {
  flex: 1;
  min-width: 0;
}

.sb-topic__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}

.sb-topic__title {
  color: var(--sb-ink);
  font-size: 15px;
  font-weight: 600;
}

.sb-topic__id {
  color: var(--sb-mute-2);
  font-family: var(--sb-font-mono);
  font-size: 10.5px;
}

.sb-topic__status {
  margin-left: auto;
}

.sb-topic__desc {
  margin-bottom: 10px;
  color: var(--sb-mute);
  font-size: 13px;
  line-height: 1.5;
}

.sb-topic__meta {
  display: flex;
  gap: 14px;
  color: var(--sb-mute-2);
  font-family: var(--sb-font-mono);
  font-size: 11.5px;
}

.sb-topic__meta i {
  margin-right: 5px;
  color: var(--sb-turq);
}

.sb-topic__actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sb-empty-state {
  padding: 28px 24px;
  border: 1px dashed var(--sb-line);
  border-radius: var(--sb-r-lg);
  background: rgba(255, 255, 255, 0.55);
  color: var(--sb-mute);
  text-align: center;
}

.sb-add {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sb-space-2);
  width: 100%;
  min-height: 54px;
  border: 1.5px dashed var(--sb-line);
  border-radius: var(--sb-r-lg);
  background: transparent;
  color: var(--sb-green);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s, border-color 0.15s;
}

.sb-add:hover {
  border-color: var(--sb-green-18);
  background: var(--sb-canvas-2);
}

.sb-graph {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: var(--sb-space-5);
  margin-top: var(--sb-space-5);
}

.sb-graph__main {
  display: flex;
  flex-direction: column;
  gap: var(--sb-space-3);
}

.sb-graph__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.sb-graph__summary {
  margin-left: auto;
  color: var(--sb-mute);
  font-family: var(--sb-font-mono);
  font-size: 12px;
}

.sb-graph__canvas {
  position: relative;
  overflow: hidden;
  min-height: 480px;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r-lg);
  background: var(--sb-paper);
}

.sb-graph__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sb-space-3);
  color: var(--sb-mute-2);
  font-family: var(--sb-font-mono);
  font-size: 11px;
}

.sb-graph__placeholder i {
  color: var(--sb-line);
  font-size: 28px;
}

.sb-graph-editor {
  height: 100%;
  min-height: 480px;
  padding: var(--sb-space-4);
}

.sb-graph-editor__stage {
  position: relative;
  height: 100%;
  min-height: 446px;
  border: 1px solid var(--sb-line-soft);
  border-radius: calc(var(--sb-r-lg) - 2px);
  background:
    radial-gradient(circle at top left, rgba(166, 187, 72, 0.08), transparent 35%),
    linear-gradient(180deg, #fdfcf8 0%, #f7f4ec 100%);
}

.sb-graph-editor__stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(3, 70, 56, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(3, 70, 56, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.sb-graph-editor__nodes,
.sb-graph-editor__edges {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.sb .graph-node {
  position: absolute;
  min-width: 150px;
  max-width: 220px;
  padding: 12px 16px;
  border: 1px solid rgba(3, 70, 56, 0.18);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(3, 70, 56, 0.95), rgba(2, 51, 41, 0.97));
  box-shadow: 0 10px 24px -16px rgba(2, 51, 41, 0.9);
  color: #fff;
  cursor: move;
  user-select: none;
  text-align: center;
  transition: transform 0.15s, box-shadow 0.15s;
}

.sb .graph-node:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 28px -16px rgba(2, 51, 41, 0.95);
}

.sb .graph-node.selected {
  box-shadow: 0 0 0 3px rgba(200, 139, 27, 0.4);
}

.sb-graph__side {
  display: flex;
  flex-direction: column;
  gap: var(--sb-space-3);
  height: fit-content;
  padding: var(--sb-space-4);
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r-lg);
  background: var(--sb-paper);
}

.sb-graph__side ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sb-graph__side li {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 6px 8px;
  border-radius: 8px;
  background: var(--sb-canvas-2);
  color: var(--sb-ink-2);
  font-size: 12px;
}

.sb-graph__help {
  display: flex;
  align-items: flex-start;
  gap: var(--sb-space-2);
  padding: var(--sb-space-3);
  border-radius: var(--sb-r-sm);
  background: var(--sb-canvas-2);
  color: var(--sb-mute);
  font-size: 12px;
}

.sb-graph__help i {
  margin-top: 2px;
  color: var(--sb-turq);
}

.sb-panel {
  margin-bottom: var(--sb-space-4);
  padding: var(--sb-space-6);
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r-lg);
  background: var(--sb-paper);
}

.sb-panel--commit {
  border-color: var(--sb-green-18);
  background: linear-gradient(180deg, var(--sb-paper) 0%, var(--sb-canvas-2) 100%);
}

.sb-panel__hd {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sb-space-4);
  margin-bottom: var(--sb-space-4);
}

.sb-panel__hd > .sb-eyebrow {
  flex-shrink: 0;
  white-space: nowrap;
}

.sb-panel__title {
  flex: 1;
  min-width: 200px;
  color: var(--sb-ink);
  font-family: var(--sb-font-serif);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.sb-panel__hd > .sb-chip {
  margin-left: auto;
}

.sb-panel__lede {
  margin-bottom: var(--sb-space-4);
  color: var(--sb-mute);
  font-size: 13.5px;
  line-height: 1.55;
}

.sb-panel__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.sb-panel__spacer {
  flex: 1;
}

.sb-note {
  margin-bottom: var(--sb-space-4);
  color: var(--sb-mute);
  font-size: 12.5px;
  line-height: 1.5;
}

.sb-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sb-space-5);
}

.sb-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sb-stat__v {
  color: var(--sb-green-dark);
  font-family: var(--sb-font-serif);
  font-size: 26px;
  letter-spacing: -0.01em;
  line-height: 1;
}

.sb-stat__sub {
  color: var(--sb-mute);
  font-size: 12px;
}

.sb-checks {
  display: flex;
  flex-direction: column;
  gap: var(--sb-space-2);
}

.sb-check {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--sb-r-sm);
}

.sb-check[data-ok="false"] {
  background: var(--sb-warn-bg);
}

.sb-check[data-ok="error"] {
  background: var(--sb-danger-bg);
}

.sb-check__icon {
  flex-shrink: 0;
  font-size: 13px;
}

.sb-check[data-ok="true"] .sb-check__icon {
  color: var(--sb-bright);
}

.sb-check[data-ok="false"] .sb-check__icon {
  color: var(--sb-warn);
}

.sb-check[data-ok="error"] .sb-check__icon {
  color: var(--sb-danger);
}

.sb-check__msg {
  flex: 1;
  color: var(--sb-ink-2);
  font-size: 13px;
}

.sb-corpus-files {
  display: flex;
  flex-direction: column;
  gap: var(--sb-space-2);
  margin-bottom: var(--sb-space-3);
}

.sb-corpus-file {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--sb-r-sm);
  background: var(--sb-canvas-2);
  border: 1px solid var(--sb-line-soft);
}

.sb-corpus-file__icon {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--sb-mute);
}

.sb-corpus-file__name {
  flex: 1;
  color: var(--sb-ink-2);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.sb-corpus-file__delete {
  flex-shrink: 0;
  border: 0;
  background: none;
  color: var(--sb-mute);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--sb-r-sm);
}

.sb-corpus-file__delete:hover {
  color: var(--sb-danger);
  background: var(--sb-danger-bg);
}

.sb-check[data-ok="false"] .sb-check__msg {
  color: var(--sb-warn);
}

.sb-check[data-ok="error"] .sb-check__msg {
  color: var(--sb-danger);
}

.sb-path {
  padding: 4px 8px;
  border-radius: var(--sb-r-sm);
  background: var(--sb-canvas);
  color: var(--sb-mute);
  font-family: var(--sb-font-mono);
  font-size: 12px;
}

.sb-rail {
  position: sticky;
  bottom: 0;
  z-index: 4;
  grid-row: 4;
  display: flex;
  align-items: center;
  gap: var(--sb-space-4);
  padding: var(--sb-space-4) var(--sb-space-8);
  border-top: 1px solid var(--sb-line);
  background: var(--sb-paper);
}

.sb-rail__spacer {
  flex: 1;
}

.sb-rail__meta {
  display: flex;
  align-items: center;
  gap: var(--sb-space-2);
  color: var(--sb-mute);
  font-family: var(--sb-font-mono);
  font-size: 12px;
}

.sb-rail__ok {
  color: var(--sb-green);
}

.sb-rail__ok i {
  margin-right: 4px;
  color: var(--sb-bright);
}

.sb-rail__warn i {
  margin-right: 4px;
  color: var(--sb-warn);
}

.sb-rail__sep {
  color: var(--sb-mute-2);
}

.sb-dock {
  display: none;
}

.sb-toast__region {
  position: fixed;
  right: var(--sb-space-5);
  bottom: calc(var(--sb-h-rail) + var(--sb-space-3));
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: var(--sb-space-2);
  pointer-events: none;
}

.sb-toast {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
  max-width: 380px;
  padding: 10px 12px;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r-md);
  background: var(--sb-paper);
  box-shadow: var(--sb-shadow-md);
  font-size: 13px;
  pointer-events: auto;
  animation: sb-toast-in 0.18s ease-out;
}

.sb-toast[data-tone="success"] .sb-toast__icon {
  color: var(--sb-bright);
}

.sb-toast[data-tone="warn"] .sb-toast__icon {
  color: var(--sb-warn);
}

.sb-toast[data-tone="error"] .sb-toast__icon {
  color: var(--sb-danger);
}

.sb-toast[data-tone="info"] .sb-toast__icon {
  color: var(--sb-turq);
}

.sb-toast__msg {
  flex: 1;
  color: var(--sb-ink-2);
}

.sb-toast__close {
  padding: 2px 4px;
  border: 0;
  background: transparent;
  color: var(--sb-mute-2);
  cursor: pointer;
}

@keyframes sb-toast-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.sb-modal {
  width: calc(100% - var(--sb-space-8));
  max-width: 640px;
  padding: 0;
  border: 0;
  border-radius: var(--sb-r-lg);
  background: var(--sb-paper);
  box-shadow: 0 24px 80px -12px rgba(3, 50, 40, 0.35);
}

.sb-modal--sm {
  max-width: 460px;
}

.sb-modal::backdrop {
  background: rgba(15, 20, 18, 0.4);
  backdrop-filter: blur(2px);
}

.sb-modal__form {
  display: flex;
  flex-direction: column;
  max-height: 85vh;
}

.sb-modal__hd {
  display: flex;
  align-items: flex-start;
  gap: var(--sb-space-3);
  padding: var(--sb-space-5) var(--sb-space-6) var(--sb-space-3);
  border-bottom: 1px solid var(--sb-line-soft);
}

.sb-modal__hd h2 {
  flex: 1;
  margin-top: 4px;
  color: var(--sb-ink);
  font-family: var(--sb-font-serif);
  font-size: 22px;
  letter-spacing: -0.01em;
}

.sb-modal__hd .sb-eyebrow {
  margin-top: 8px;
}

.sb-modal__body {
  display: flex;
  flex-direction: column;
  gap: var(--sb-space-5);
  overflow: auto;
  padding: var(--sb-space-5) var(--sb-space-6);
}

.sb-modal__ft {
  display: flex;
  align-items: center;
  gap: var(--sb-space-3);
  padding: var(--sb-space-4) var(--sb-space-6);
  border-top: 1px solid var(--sb-line-soft);
  background: var(--sb-canvas-2);
}

.sb-objectives {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 8px;
}

.sb-objective {
  display: flex;
  align-items: center;
  gap: var(--sb-space-2);
  padding: 6px 10px;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-r-sm);
  background: var(--sb-canvas-2);
}

.sb-objective__grip {
  color: var(--sb-mute-2);
  cursor: grab;
  font-size: 10px;
}

.sb-objective__input {
  flex: 1;
  padding: 4px 0;
  border: 0;
  background: transparent;
  color: var(--sb-ink);
  font: inherit;
  font-size: 13.5px;
}

.sb-objective__input:focus {
  outline: 0;
}

@media (max-width: 900px) {
  .sb-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .sb-graph {
    grid-template-columns: 1fr;
  }

  .sb-main {
    padding: var(--sb-space-6) var(--sb-space-5) var(--sb-space-8);
  }

  .sb-rail {
    padding: var(--sb-space-3) var(--sb-space-5);
  }
}

@media (max-width: 720px) {
  .sb {
    --sb-h-header: 52px;
    --sb-h-stepper: 52px;
    --sb-h-rail: 0px;
  }

  .sb-header {
    padding: 0 var(--sb-space-3);
  }

  .sb-brand__label,
  .sb-context {
    display: none;
  }

  .sb-backlink span {
    display: none;
  }

  .sb-autosave {
    display: none;
  }

  .sb-header .sb-btn--primary {
    display: none;
  }

  .sb-stepper {
    padding: 10px var(--sb-space-3);
  }

  .sb-stepper__list {
    display: none;
  }

  .sb-steppill {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 6px 10px;
    border: 0;
    background: transparent;
    cursor: pointer;
  }

  .sb-steppill__dot {
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border: 1.5px solid var(--sb-green);
    border-radius: 50%;
    background: var(--sb-paper);
    color: var(--sb-green);
    font-family: var(--sb-font-mono);
    font-size: 11px;
    font-weight: 600;
  }

  .sb-steppill__text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    line-height: 1.1;
  }

  .sb-steppill__label {
    color: var(--sb-ink);
    font-size: 14px;
    font-weight: 600;
  }

  .sb-steppill__ticks {
    display: flex;
    gap: 3px;
    margin-left: auto;
  }

  .sb-steppill__ticks span {
    width: 18px;
    height: 3px;
    border-radius: 2px;
    background: var(--sb-line);
  }

  .sb-steppill__ticks span[data-done="true"] {
    background: var(--sb-green);
  }

  .sb-title {
    font-size: 24px;
  }

  .sb-lede {
    font-size: 13px;
  }

  .sb-field__row {
    flex-direction: column;
  }

  .sb-topic {
    padding: 14px;
  }

  .sb-topic__num {
    width: 22px;
    height: 22px;
    font-size: 10px;
  }

  .sb-topic__actions {
    flex-direction: row;
  }

  .sb-topic__status {
    margin-left: 0;
  }

  .sb-topic__head {
    align-items: flex-start;
  }

  .sb-topic__meta {
    flex-direction: column;
    gap: 6px;
  }

  .sb-panel {
    padding: var(--sb-space-4);
  }

  .sb-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sb-space-4);
  }

  .sb-stat__v {
    font-size: 22px;
  }

  .sb-main {
    padding: var(--sb-space-4) var(--sb-space-3) 96px;
  }

  .sb-graph__toolbar {
    align-items: stretch;
  }

  .sb-graph__summary {
    width: 100%;
    margin-left: 0;
  }

  .sb-graph-editor {
    min-height: 420px;
    padding: var(--sb-space-3);
  }

  .sb-graph-editor__stage {
    min-height: 390px;
  }

  .sb-rail {
    display: none;
  }

  .sb-dock {
    position: fixed;
    right: var(--sb-space-3);
    bottom: var(--sb-space-3);
    left: var(--sb-space-3);
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px;
    border: 1px solid var(--sb-line);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 14px 36px -20px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
  }

  .sb-dock__icon {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--sb-line);
    border-radius: 12px;
    background: var(--sb-paper);
    color: var(--sb-ink);
    cursor: pointer;
  }

  .sb-dock__status {
    flex: 1;
    min-width: 0;
    color: var(--sb-mute);
    font-size: 12px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .sb-toast__region {
    right: var(--sb-space-3);
    bottom: 74px;
    left: var(--sb-space-3);
  }

  .sb-toast {
    min-width: 0;
    max-width: none;
  }

  .sb-modal {
    width: calc(100% - var(--sb-space-4));
  }
}