.notebook {
  position: fixed;
  z-index: 70;
  right: 0;
  bottom: .75rem;
  display: grid;
  width: min(36rem, calc(100vw - 1rem));
  max-height: calc(100svh - 1.5rem);
  grid-template-columns: 2rem minmax(0, 1fr);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(216, 237, 116, .055), transparent 38%),
    var(--ink-deep);
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: translateX(calc(100% + 2rem));
  transition: transform 220ms ease, width 220ms ease, inset 220ms ease;
}

.notebook.is-open { transform: translateX(0); }
.notebook.is-expanded {
  inset: clamp(.65rem, 2vw, 1.5rem);
  width: auto;
  max-height: none;
  transform: translateX(0);
  box-shadow: 22px 28px 0 rgba(0, 0, 0, .52);
}

.notebook__rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .3rem;
  border-right: 1px solid var(--line);
  background: var(--acid);
}

.notebook__rail span { width: 3px; height: 2.3rem; background: var(--ink); }

.notebook__body {
  min-width: 0;
  min-height: 0;
  max-height: inherit;
  padding: 1.1rem;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: var(--acid) var(--ink-raised);
}

.notebook__header {
  position: sticky;
  z-index: 3;
  top: -1.1rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0 .8rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(var(--ink-deep) 78%, rgba(14, 16, 15, 0));
}

.notebook__header h2 { margin: .25rem 0 0; font-size: 1.5rem; }
.notebook__header-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .45rem; }
.notebook__expand { color: var(--acid); }
.notebook__close { width: 44px; padding-inline: .65rem; }
.notebook__placeholder { margin: 1.2rem 0; color: var(--fog); font-size: .88rem; }

.notebook__workspace { padding-block: 1rem .35rem; }
.notebook__empty { margin: .6rem 0; color: var(--fog); font-size: .84rem; }

.exercise-editor__header {
  display: grid;
  gap: .4rem;
  padding: .9rem;
  border-left: 3px solid var(--acid);
  background: var(--ink-raised);
}

.exercise-editor__header h3 { margin: 0; font-size: clamp(1.08rem, 3vw, 1.45rem); line-height: 1.2; }
.exercise-editor__header p { margin: 0; color: var(--ivory-dim); font-size: .86rem; }
.exercise-editor__type,
.history-entry__meta {
  color: var(--acid);
  font-family: var(--font-mono);
  font-size: .64rem;
  font-weight: 800;
  letter-spacing: .1em;
}

.exercise-editor { display: grid; gap: .85rem; margin-top: .85rem; }
.exercise-editor fieldset { min-width: 0; padding: 0; border: 0; margin: 0; }
.exercise-editor legend { width: 100%; padding: 0 0 .6rem; color: var(--ivory); font-weight: 760; }

.editor-field {
  display: grid;
  min-width: 0;
  gap: .35rem;
  color: var(--ivory-dim);
  font-size: .78rem;
  font-weight: 700;
}

.editor-field > span { line-height: 1.3; }
.editor-field input,
.editor-field select,
.editor-field textarea,
.classification-row select {
  width: 100%;
  min-width: 0;
  padding: .72rem .78rem;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: #151815;
  color: var(--ivory);
}

.editor-field textarea {
  min-height: 8rem;
  resize: vertical;
  line-height: 1.5;
}

.editor-field input[readonly] { border-style: dashed; color: var(--acid); }
.editor-field input:focus-visible,
.editor-field select:focus-visible,
.editor-field textarea:focus-visible,
.classification-row select:focus-visible {
  border-color: var(--acid);
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

.choice-fieldset,
.checklist-fieldset { display: grid; gap: .45rem; }
.choice-option,
.check-option {
  display: grid;
  min-height: 44px;
  grid-template-columns: 1.15rem 1fr;
  align-items: center;
  gap: .7rem;
  padding: .65rem .75rem;
  border: 1px solid var(--line);
  background: var(--ink-raised);
  cursor: pointer;
}

.choice-option:has(input:checked),
.check-option:has(input:checked) { border-color: var(--acid); background: rgba(216, 237, 116, .09); }
.choice-option input,
.check-option input { width: 1rem; height: 1rem; margin: 0; accent-color: var(--acid); }

.classification-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(10rem, .8fr);
  align-items: center;
  gap: .8rem;
  padding: .65rem;
  border-bottom: 1px solid var(--line);
  background: rgba(32, 37, 32, .64);
  font-size: .82rem;
}

.structured-matrix { display: grid; gap: .7rem; }
.matrix-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem;
  padding: .8rem;
  border: 1px solid var(--line);
  background: rgba(32, 37, 32, .72);
}

.matrix-row legend {
  grid-column: 1 / -1;
  color: var(--acid);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.matrix-add,
.save-response,
.exercise-launcher {
  min-height: 44px;
  border: 1px solid var(--acid);
  border-radius: 0;
  background: var(--acid);
  color: var(--ink-deep);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.matrix-add { padding: .65rem .9rem; background: transparent; color: var(--acid); }
.exercise-editor__actions { position: sticky; z-index: 2; bottom: -1.1rem; padding: .8rem 0 1.1rem; background: linear-gradient(rgba(14,16,15,0), var(--ink-deep) 28%); }
.save-response { width: 100%; padding: .8rem 1rem; }
.save-response:disabled { cursor: progress; opacity: .58; }

.exercise-launcher {
  width: fit-content;
  margin-top: .85rem;
  padding: .7rem 1rem;
  box-shadow: 5px 5px 0 rgba(0, 0, 0, .25);
}
.exercise-launcher:hover,
.save-response:hover { background: var(--ivory); border-color: var(--ivory); }

.editor-provenance,
.voice-mount,
.confirmation-groups {
  margin: 0;
  padding: .7rem .8rem;
  border: 1px dashed var(--line-strong);
  color: var(--fog);
  font-size: .76rem;
}

.voice-mount {
  display: grid;
  gap: .55rem;
  border-color: rgba(216, 237, 116, .36);
  background:
    linear-gradient(105deg, rgba(216, 237, 116, .075), transparent 62%),
    rgba(14, 16, 15, .6);
}
.voice-mount strong { color: var(--acid); font-family: var(--font-mono); font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; }
.voice-mount p,
.confirmation-groups p { margin: .3rem 0 0; }

.voice-status { min-height: 2.4em; color: var(--ivory-dim); line-height: 1.45; }
.voice-controls {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
}

.voice-button,
.voice-consent-link {
  min-height: 44px;
  padding: .68rem .82rem;
  border: 1px solid var(--acid);
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 850;
  letter-spacing: .045em;
}

.voice-button { background: var(--acid); color: var(--ink-deep); cursor: pointer; }
.voice-button--stop { border-color: var(--rust); background: var(--rust); color: var(--ink-deep); }
.voice-button--retry,
.voice-consent-link { background: transparent; color: var(--acid); }
.voice-consent-link { display: inline-flex; width: fit-content; align-items: center; text-decoration: none; }
.voice-button:hover,
.voice-consent-link:hover { border-color: var(--ivory); background: var(--ivory); color: var(--ink-deep); }
.voice-button:disabled { cursor: progress; opacity: .58; }
.voice-button:focus-visible,
.voice-consent-link:focus-visible { outline: 2px solid var(--acid); outline-offset: 3px; }
.voice-button[hidden] { display: none; }

.voice-processing-consent {
  display: flex;
  flex: 1 1 100%;
  align-items: flex-start;
  gap: .65rem;
  padding: .7rem;
  border: 1px solid var(--line-strong);
  color: var(--ivory-dim);
  line-height: 1.45;
}
.voice-processing-consent[hidden] { display: none; }
.voice-processing-consent input { width: 1.2rem; height: 1.2rem; margin: .08rem 0 0; accent-color: var(--acid); }
.voice-processing-consent input:focus-visible { outline: 2px solid var(--acid); outline-offset: 3px; }

.voice-timer {
  min-width: 4.7rem;
  margin-left: auto;
  color: var(--acid);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: .08em;
  text-align: right;
}

.voice-mount[data-voice-state="recording"] {
  border-style: solid;
  box-shadow: inset 3px 0 0 var(--rust);
}

.history-entry--audio { border-color: rgba(216, 237, 116, .42); }

.confirmation-groups {
  display: grid;
  gap: .55rem;
  border-style: solid;
  background: rgba(216, 237, 116, .035);
}

.confirmation-groups__summary {
  color: var(--acid);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .055em;
  text-transform: uppercase;
}

.confirmation-group-control {
  display: grid;
  min-height: 44px;
  grid-template-columns: 1.15rem minmax(0, 1fr);
  align-items: center;
  gap: .65rem;
  padding: .58rem .65rem;
  border-left: 2px solid var(--line-strong);
  background: var(--ink-raised);
  color: var(--ivory-dim);
  cursor: pointer;
}

.confirmation-group-control:has(input:checked) { border-left-color: var(--acid); }
.confirmation-group-control:has(input:focus-visible) { outline: 2px solid var(--acid); outline-offset: 2px; }
.confirmation-group-control input { width: 1rem; height: 1rem; margin: 0; accent-color: var(--acid); }
.confirmation-group-control span { display: grid; gap: .15rem; }
.confirmation-group-control strong { color: var(--ivory); font-size: .78rem; }
.confirmation-group-control small { color: var(--fog); font-family: var(--font-mono); font-size: .62rem; }

.notebook__history { display: grid; gap: .55rem; padding-block: .8rem; border-top: 1px solid var(--line); }
.notebook__history h3 { margin: 0; font-size: .92rem; }
.history-entry { padding: .75rem; border: 1px solid var(--line); background: var(--ink-raised); }
.history-entry p { margin: .4rem 0 0; overflow-wrap: anywhere; color: var(--ivory-dim); font-size: .83rem; white-space: pre-wrap; }

.notebook__count { display: flex; align-items: baseline; gap: .65rem; padding-top: .8rem; border-top: 1px solid var(--line); }
.notebook__count strong { color: var(--acid); font-family: var(--font-mono); font-size: 1.6rem; }
.notebook__count span { color: var(--ivory-dim); font-size: .75rem; }

dialog {
  width: min(760px, calc(100vw - 2rem));
  max-height: calc(100svh - 2rem);
  padding: 0;
  border: 1px solid var(--line-strong);
  background: var(--ink-deep);
  color: var(--ivory);
  box-shadow: 20px 24px 0 rgba(0,0,0,.45);
}

dialog::backdrop { background: rgba(5,7,6,.8); }
.facilitator-panel { padding: clamp(1.3rem, 4vw, 3rem); }
.facilitator-panel > header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.facilitator-panel h2 { margin: 1rem 0 .5rem; font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -.04em; }
.facilitator-panel > p { color: var(--fog); }
.facilitator-panel__content { display: grid; gap: .8rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.facilitator-panel__content section { padding: .8rem; border-left: 2px solid var(--acid); background: var(--ink-raised); }
.facilitator-panel__content h3 { margin: 0 0 .35rem; color: var(--acid); font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; }
.facilitator-panel__content p { margin: 0; color: var(--ivory-dim); }
.facilitator-list { display: grid; gap: .5rem; padding-left: 1.35rem; margin: .25rem 0 0; color: var(--ivory-dim); }
.facilitator-list li::marker { color: var(--acid); font-family: var(--font-mono); }

@media (min-width: 900px) {
  .notebook.is-expanded .notebook__body {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(18rem, .75fr);
    grid-template-rows: auto 1fr auto;
    column-gap: 1.2rem;
  }
  .notebook.is-expanded .notebook__header { grid-column: 1 / -1; }
  .notebook.is-expanded .notebook__workspace { grid-column: 1; }
  .notebook.is-expanded .notebook__history { grid-column: 2; grid-row: 2; align-content: start; border-top: 0; border-left: 1px solid var(--line); padding-left: 1.2rem; }
  .notebook.is-expanded .notebook__count { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .notebook { bottom: .35rem; width: calc(100vw - .45rem); max-height: calc(100svh - .7rem); transition: none; }
  .notebook.is-expanded { inset: .3rem; }
  .notebook__body { padding: .8rem; }
  .notebook__header { top: -.8rem; padding-top: .8rem; }
  .notebook__header-actions { flex-direction: column-reverse; }
  .notebook__expand { padding-inline: .6rem; }
  .classification-row,
  .matrix-row { grid-template-columns: 1fr; }
  .matrix-row legend { grid-column: 1; }
  .exercise-editor__actions { bottom: -.8rem; padding-bottom: .8rem; }
  .voice-controls { align-items: stretch; }
  .voice-button,
  .voice-consent-link { max-width: 100%; flex: 1 1 100%; justify-content: center; text-align: center; }
  .voice-timer { width: 100%; margin-left: 0; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  .notebook { transition: none; }
}