#red-writing-workspace .red-performance-modal {
  width: min(1080px, 100%);
  max-height: 90dvh;
  scrollbar-gutter: stable;
  padding: clamp(18px, 3vw, 36px);
}
#red-stage-learning {
  --learning-muted: var(--red-muted);
  --learning-border: color-mix(in srgb, var(--red-line) 65%, transparent);
  color: var(--red-ink);
  line-height: 1.5;
}
#red-stage-learning * {
  box-sizing: border-box;
}
#red-stage-learning h3 {
  font-size: 20px;
  letter-spacing: -0.025em;
  margin: 0 0 8px;
  font-weight: 650;
}
#red-stage-learning button,
#red-stage-learning select {
  font: inherit;
  font-size: 13px;
  font-weight: 550;
  border: 1px solid var(--learning-border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--red-paper) 90%, var(--red-panel));
  color: inherit;
  min-height: 44px;
  padding: 9px 14px;
  cursor: pointer;
  box-shadow: 0 1px 2px #3b28100a;
  transition:
    background 0.18s,
    box-shadow 0.18s,
    transform 0.18s;
  white-space: normal;
  text-align: left;
}
#red-stage-learning button:hover {
  background: var(--red-panel);
  box-shadow: 0 3px 12px #3b28100c;
}
#red-stage-learning button:active {
  transform: scale(0.98);
}
#red-stage-learning button:disabled {
  opacity: 0.45;
  cursor: default;
  transform: none;
}
#red-stage-learning :focus-visible {
  outline: 3px solid #b9464b;
  outline-offset: 3px;
}
#red-stage-learning .learning-primary {
  background: #a7353c;
  color: #fff;
  border-color: transparent;
  box-shadow:
    inset 0 1px #ffffff26,
    0 3px 8px #82262c18;
}
#red-stage-learning .learning-primary:hover {
  background: #912b33;
}
#red-stage-learning .learning-muted,
#red-stage-learning .learning-meta {
  color: var(--learning-muted);
  font-size: 13px;
}
#red-stage-learning .learning-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 24px 0 8px;
}
#red-stage-learning .learning-summary > div {
  display: flex;
  flex-direction: column;
  padding: 16px 20px;
  border-radius: 18px;
  background: var(--red-panel);
  border: 1px solid var(--learning-border);
}
#red-stage-learning .learning-summary strong {
  font-size: 32px;
  letter-spacing: -0.05em;
  line-height: 1.15;
  font-weight: 600;
}
#red-stage-learning .learning-summary span {
  font-size: 12px;
  color: var(--learning-muted);
  margin-top: 4px;
}
#red-stage-learning .learning-status {
  font-size: 13px;
  color: var(--red-positive);
  min-height: 0;
}
#red-stage-learning .learning-status:empty {
  display: none;
}
#red-stage-learning .is-error {
  color: var(--red-accent);
}
#red-stage-learning .learning-section-head,
#red-stage-learning .learning-night-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
#red-stage-learning .learning-timeline {
  display: grid;
  gap: 10px;
  max-height: 420px;
  overflow-y: auto;
  padding: 6px 3px 12px;
  margin: 10px -3px 24px;
  overscroll-behavior: contain;
}
#red-stage-learning .learning-night {
  border: 1px solid var(--learning-border);
  border-radius: 18px;
  padding: 18px;
  background: linear-gradient(130deg, var(--red-panel), var(--red-paper));
}
#red-stage-learning .learning-night-head strong {
  font-size: 16px;
  overflow-wrap: anywhere;
}
#red-stage-learning .learning-badge {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.015em;
  color: var(--red-muted);
  background: var(--red-panel-strong);
  padding: 5px 9px;
  border-radius: 30px;
  display: inline-block;
  flex-shrink: 0;
}
#red-stage-learning .learning-meta {
  display: block;
  margin: 7px 0 12px;
}
#red-stage-learning .learning-question {
  font-size: 13px;
  color: var(--red-muted);
  margin: 6px 0;
}
#red-stage-learning .learning-note {
  font-size: 15px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  margin: 6px 0 14px;
}
#red-stage-learning .learning-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
#red-stage-learning .learning-evidence {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 9px 12px;
  min-height: 44px;
  cursor: pointer;
}
#red-stage-learning input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #a7353c;
}
#red-stage-learning .learning-comparison,
#red-stage-learning .learning-findings {
  border-top: 1px solid var(--learning-border);
  padding-top: 24px;
  margin: 24px 0;
}
#red-stage-learning .learning-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
#red-stage-learning .learning-draft {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--red-paper);
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--learning-border);
}
#red-stage-learning select {
  width: 100%;
  text-overflow: ellipsis;
  min-width: 0;
}
#red-stage-learning .learning-words {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font:
    400 17px/1.75 Georgia,
    serif;
  margin: 0 0 14px;
  max-height: 320px;
  overflow: auto;
  flex: 1;
  min-height: 110px;
}
#red-stage-learning .learning-diff {
  margin-top: 14px;
  font-size: 14px;
}
#red-stage-learning summary {
  cursor: pointer;
  padding: 12px 0;
  min-height: 44px;
  font-weight: 550;
}
#red-stage-learning .learning-added,
#red-stage-learning .learning-removed {
  border-radius: 12px;
  padding: 10px 16px;
  margin: 8px 0;
  background: color-mix(in srgb, var(--red-positive) 12%, var(--red-paper));
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
#red-stage-learning .learning-removed {
  background: color-mix(in srgb, var(--red-accent) 10%, var(--red-paper));
}
#red-stage-learning .learning-diff p {
  margin: 6px 0;
}
#red-stage-learning .learning-finding {
  padding: 18px;
  border-left: 3px solid #b88758;
  background: var(--red-panel);
  border-radius: 0 15px 15px 0;
  margin: 14px 0;
  overflow-wrap: anywhere;
}
#red-stage-learning .learning-finding > p {
  white-space: pre-wrap;
}
#red-stage-learning .learning-finding button {
  font-size: 12px;
}
#red-stage-learning .learning-editor {
  margin: 18px 0;
}
#red-stage-learning textarea {
  font: inherit;
  font-size: 15px;
  line-height: 1.6;
  width: 100%;
  padding: 16px 18px;
  border: 1px solid var(--learning-border);
  border-radius: 16px;
  resize: vertical;
  min-height: 110px;
  background: var(--red-paper);
  color: inherit;
}
#red-stage-learning .learning-next {
  padding: 22px;
  border-radius: 20px;
  background: linear-gradient(
    120deg,
    var(--red-panel-strong),
    var(--red-paper)
  );
  border: 1px solid var(--learning-border);
  margin: 24px 0;
}
#red-stage-learning .learning-next h3 {
  margin: 12px 0 18px;
  overflow-wrap: anywhere;
}
#red-stage-learning .learning-next button {
  margin: 0 8px 8px 0;
}
#red-writing-workspace .learning-recorded {
  border-top: 1px solid #b6a48e44;
  margin-top: 26px;
  padding-top: 12px;
}
#red-writing-workspace .learning-recorded > summary {
  font-size: 14px;
  cursor: pointer;
  min-height: 44px;
  padding: 12px 0;
}
@media (max-width: 620px) {
  #red-writing-workspace .red-performance-modal {
    max-height: 94dvh;
    padding: 18px;
  }
  #red-stage-learning .learning-columns {
    grid-template-columns: 1fr;
  }
  #red-stage-learning .learning-summary > div {
    padding: 12px 10px;
  }
  #red-stage-learning .learning-summary strong {
    font-size: 27px;
  }
  #red-stage-learning .learning-night-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
  #red-stage-learning .learning-night,
  #red-stage-learning .learning-draft {
    padding: 14px;
  }
  #red-stage-learning .learning-timeline {
    max-height: 440px;
  }
  #red-stage-learning button {
    min-height: 44px;
  }
}
@media (prefers-reduced-motion: no-preference) {
  #red-stage-learning .learning-night,
  #red-stage-learning .learning-next {
    animation: learning-arrive 0.22s ease-out;
  }
  @keyframes learning-arrive {
    from {
      opacity: 0.6;
      transform: translateY(3px);
    }
    to {
      opacity: 1;
      transform: none;
    }
  }
}
@media (prefers-reduced-motion: reduce) {
  #red-stage-learning * {
    transition: none !important;
    animation: none !important;
  }
}

#red-writing-workspace .learning-close {
  position: sticky;
  top: 0;
  float: right;
  z-index: 3;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--red-line);
  border-radius: 12px;
  background: var(--red-paper);
  color: var(--red-ink);
  font-family: inherit;
  font-size: 13px;
  font-weight: 550;
  cursor: pointer;
  box-shadow: 0 2px 12px var(--red-shadow);
}
#red-performance-title {
  padding-right: 76px;
  overflow-wrap: anywhere;
}

#red-stage-learning .learning-status:not(:empty) {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 12px 78px 12px 14px;
  border: 1px solid var(--learning-border);
  border-radius: 12px;
  background: var(--red-paper);
  box-shadow: 0 2px 12px var(--red-shadow);
}

#red-stage-learning .learning-next-nights {
  margin-top: 14px;
  padding-top: 8px;
  border-top: 1px solid var(--learning-border);
}
#red-stage-learning .learning-next-nights button {
  display: block;
  width: 100%;
  text-align: left;
  line-height: 1.5;
}