/* One recorded task, explored through four connected stages. */
:root {
  --pipeline-nav: #e5ede3; --pipeline-stage: #fbf6e8; --pipeline-rule: #c5d2c3;
  --pipeline-active: #35523d; --pipeline-edge: #283e2e14;
  --pipeline-terminal: #202522; --pipeline-terminal-ink: #f4f5ed;
  --pipeline-terminal-muted: #adbab0; --pipeline-terminal-rule: #414d45;
  --pipeline-terminal-plan: #bdd7f0; --pipeline-terminal-observation: #bce0bf;
  --font-terminal: Consolas, "Cascadia Mono", "Courier New", monospace;
}
.watering-pipeline { margin-top: var(--space-2xl); scroll-margin-top: 100px; }
.pipeline-intro { display: flex; align-items: end; justify-content: space-between; gap: var(--gap-columns); margin-bottom: var(--gap-columns); }
.pipeline-intro h2 { font-size: clamp(28px, 3vw, 44px); line-height: 1.3; letter-spacing: -.04em; }
.pipeline-intro p { color: var(--color-muted); max-width: 31em; font-size: 15px; line-height: 1.8; margin: 0; }
.pipeline-shell { overflow: hidden; border-radius: var(--radius-card); background: var(--pipeline-stage); }
.pipeline-nav { display: none; }
.pipeline-panel { min-width: 0; padding: var(--space-lg); }
.pipeline-panel-heading { margin: 0 0 var(--space-md); font-size: var(--text-lg); font-weight: 500; }
.pipeline-panel-copy { margin: var(--space-md) 0 0; line-height: 1.8; }
.pipeline-media { position: relative; overflow: hidden; overflow: clip; border-radius: var(--radius-card); margin: 0; }
.pipeline-media::after { content: ''; position: absolute; inset: 0; border-radius: inherit; box-shadow: inset 0 0 var(--space-lg) var(--pipeline-edge); pointer-events: none; }
.pipeline-media video { display: block; width: 100%; height: auto; }
.pipeline-panel[hidden] { display: none !important; }
.pipeline-enhanced .pipeline-shell { display: grid; grid-template-columns: minmax(0, .44fr) minmax(0, .56fr); }
.pipeline-enhanced .pipeline-nav { display: flex; flex-direction: column; justify-content: center; padding: var(--space-lg) var(--space-xl); background: var(--pipeline-nav); }
.pipeline-step { position: relative; border-bottom: 1px solid var(--pipeline-rule); }
.pipeline-step:last-child { border-bottom: 0; }
.pipeline-step-button { display: grid; grid-template-columns: 24px minmax(0, 1fr) 16px; align-items: center; gap: var(--space-sm); width: 100%; padding: var(--space-lg) 0; border: 0; background: transparent; text-align: left; font-family: var(--font-display); }
.pipeline-step-button:hover { color: var(--pipeline-active); }
.pipeline-step-button:active { transform: none; }
.pipeline-step-number { font-size: var(--text-xs); color: inherit; font-variant-numeric: tabular-nums; }
.pipeline-step-title { font-size: clamp(17px, 1.5vw, 22px); line-height: 1.4; letter-spacing: -.025em; }
.pipeline-step-mark { font-size: 19px; line-height: 1; font-weight: 400; text-align: center; }
.pipeline-step-button[aria-expanded='true'] { color: var(--pipeline-active); }
.pipeline-step-button[aria-expanded='true'] .pipeline-step-number { color: inherit; }
.pipeline-step-copy { margin: calc(-1 * var(--space-sm)) 0 var(--space-lg) 36px; font-size: var(--text-sm); line-height: 1.85; color: var(--color-ink-2); max-width: 36em; }
.pipeline-step-progress { position: absolute; bottom: -1px; left: 0; width: 100%; height: 2px; background: var(--pipeline-active); transform: scaleX(0); transform-origin: left; pointer-events: none; }
.pipeline-step.is-active .pipeline-step-progress { transform: scaleX(var(--pipeline-progress, 0)); }
.pipeline-enhanced .pipeline-display { display: grid; align-items: center; padding: var(--space-xl) var(--gap-columns); height: clamp(600px, 49vw, 740px); min-width: 0; }
.pipeline-enhanced .pipeline-panel { grid-area: 1 / 1; width: 100%; padding: 0; }
.pipeline-enhanced .pipeline-panel-heading, .pipeline-enhanced .pipeline-panel-copy { display: none; }
.planning-terminal { display: flex; flex-direction: column; height: clamp(520px, 43vw, 650px); min-height: 0; padding: 0; color: var(--pipeline-terminal-ink); background: var(--pipeline-terminal); font-family: var(--font-terminal); font-size: clamp(13px, 1vw, 14px); line-height: 1.65; }
.terminal-header { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: var(--space-sm); flex: 0 0 auto; padding: var(--space-md) var(--space-lg); border-bottom: 1px solid var(--pipeline-terminal-rule); font-size: 12px; line-height: 1.4; }
.terminal-header__mark { color: var(--pipeline-terminal-observation); font-size: 16px; }
.terminal-header__title { min-width: 0; }
.terminal-header__file { color: var(--pipeline-terminal-muted); white-space: nowrap; }
.terminal-input { color: var(--color-accent); margin: var(--space-lg) 0; font-size: 15px; }
.terminal-input > .terminal-prompt-symbol { color: var(--pipeline-terminal-muted); }
.terminal-context { display: grid; grid-template-columns: minmax(0, .36fr) minmax(0, .64fr); gap: var(--space-lg); align-items: center; flex: 0 0 auto; margin: 0; padding: var(--space-md) var(--space-lg); }
.terminal-observation { margin: 0; min-width: 0; }
.terminal-observation video { display: block; width: 100%; height: auto; border-radius: var(--space-xs); }
.terminal-observation figcaption { margin-top: var(--space-2xs); color: var(--pipeline-terminal-muted); font-size: 12px; }
.terminal-prompt { min-width: 0; }
.terminal-prompt > span { color: var(--pipeline-terminal-muted); font-size: 12px; }
.terminal-prompt .terminal-input { min-height: 1.65em; margin: var(--space-xs) 0 0; font-size: 15px; }
.pipeline-action { overflow: hidden; overflow: clip; border-radius: var(--radius-card); background: var(--color-model-stage); }
.pipeline-action__canvas { position: relative; width: 100%; aspect-ratio: 4 / 3; overflow: clip; background: var(--color-model-stage); }
.pipeline-action__canvas canvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }
.pipeline-action__canvas > [data-robot-status] { position: absolute; inset: 0; display: none; place-items: center; padding: var(--space-lg); font-size: var(--text-sm); text-align: center; }
.pipeline-enhanced .pipeline-action__canvas > [data-robot-status]:not([hidden]) { display: grid; }
.pipeline-action__caption { margin: 0; padding: var(--space-md) var(--space-lg); color: var(--color-muted); font-size: 12px; }
.pipeline-action__fallback { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: contain; }
.pipeline-action__fallback[hidden] { display: none; }
.terminal-output { flex: 1 1 0; min-height: 0; overflow: auto; overscroll-behavior: contain; overflow-anchor: none; scrollbar-gutter: stable; scrollbar-width: thin; scrollbar-color: var(--pipeline-terminal-rule) var(--pipeline-terminal); padding: var(--space-xs) var(--space-lg) var(--space-md); }
.terminal-output:focus-visible { outline: 2px solid var(--color-focus); outline-offset: -2px; }
.terminal-output p { margin: 0; overflow-wrap: break-word; }
[data-terminal-block] + [data-terminal-block] { margin-top: var(--space-lg); }
[data-terminal-block][hidden], [data-terminal-block].hidden { display: none !important; }
.terminal-label { display: block; color: var(--pipeline-terminal-plan); font-size: 12px; margin-bottom: var(--space-xs); }
.terminal-output p:first-child .terminal-label { color: var(--pipeline-terminal-observation); }
.terminal-source { flex: 0 0 auto; padding: var(--space-sm) var(--space-lg) var(--space-md); border-top: 1px solid var(--pipeline-terminal-rule); color: var(--pipeline-terminal-muted); font-size: 12px; }
.terminal-token--pending { display: none; }
.terminal-token--current { background: var(--pipeline-terminal-plan); color: var(--pipeline-terminal); }
.terminal-input--typing::after, .terminal-output--typing .terminal-token--current::after { content: '▌'; display: inline-block; color: var(--color-accent); animation: terminal-caret 900ms steps(1, end) infinite; }
@keyframes terminal-caret { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
.terminal-readable { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.watering-pipeline:not(.pipeline-enhanced) .planning-terminal { height: auto; }
.watering-pipeline:not(.pipeline-enhanced) .terminal-output { flex: none; overflow: visible; }
@media (max-width: 1100px) and (min-width: 981px) {
  .pipeline-enhanced .pipeline-nav { padding-inline: var(--space-lg); }
  .pipeline-enhanced .pipeline-display { padding-inline: var(--space-lg); }
}
@media (max-width: 980px) {
  .pipeline-intro { display: block; }
  .pipeline-intro p { margin-top: var(--space-sm); }
  .pipeline-enhanced .pipeline-shell { grid-template-columns: minmax(0, 1fr); }
  .pipeline-enhanced .pipeline-display { grid-row: 1; height: clamp(590px, 82vw, 820px); padding: var(--space-lg); }
  .pipeline-enhanced .pipeline-nav { padding: var(--space-sm) var(--space-lg); }
  .pipeline-step-button { padding-block: var(--space-md); }
  .pipeline-step-title { font-size: 18px; }
  .planning-terminal { height: clamp(540px, 70vw, 700px); }
}
@media (max-width: 760px) {
  .watering-pipeline { margin-top: var(--space-xl); }
  .pipeline-intro { margin-bottom: var(--space-lg); }
  .pipeline-enhanced .pipeline-display { padding: var(--space-md); }
  .pipeline-enhanced .pipeline-nav { padding-inline: var(--space-md); }
  .planning-terminal { height: 540px; }
  .terminal-header { gap: var(--space-xs); padding-inline: var(--space-md); }
  .terminal-input { margin-block: var(--space-md); }
  .terminal-output { padding-inline: var(--space-md); }
  .terminal-source { padding-inline: var(--space-md); }
  .terminal-context { grid-template-columns: minmax(0, .42fr) minmax(0, .58fr); gap: var(--space-sm); padding-inline: var(--space-md); }
}
@media (prefers-reduced-motion: reduce) {
  .pipeline-step-progress { display: none; }
  .terminal-input--typing::after, .terminal-output--typing .terminal-token--current::after { animation: none; }
}