/* ── Layout ── */
.editor-page {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.editor-header {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem 1.5rem 0.5rem;
  border-bottom: 1px solid var(--color-border);
}
.editor-body {
  flex: 1;
  min-height: 0;
  display: flex;
  overflow: hidden;
}
.editor-main {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  padding: 0.75rem 1.5rem 1.5rem;
}

/* ── Toolbar & inputs ── */
.toolbar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.btn-back {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: none;
  color: var(--color-text-secondary);
  text-decoration: none;
  cursor: pointer;
  font-size: 0.9rem;
}
.btn-back:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-save {
  padding: 0.45rem 1rem;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.btn-save:disabled {
  opacity: 0.6;
  cursor: default;
}
.btn-delete {
  padding: 0.45rem 1rem;
  background: var(--color-danger);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.btn-assist-toggle {
  margin-left: auto;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-assist-toggle.active {
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.title-input {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-sm);
  font-size: 1.25rem;
  font-weight: 600;
  background: var(--color-bg-card);
  color: var(--color-text);
}
.editor-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
}
.tab {
  padding: 0.45rem 1rem;
  border: none;
  background: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 0.9rem;
  border-bottom: 2px solid transparent;
}
.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.preview-pane {
  padding: 0.75rem;
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-sm);
  min-height: 200px;
  background: var(--color-bg-card);
}

/* ── Tag suggestions ── */
.tag-suggest-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}
.btn-suggest-tags {
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 0.8rem;
}
.btn-suggest-tags:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-suggest-tags:disabled {
  opacity: 0.6;
  cursor: wait;
}
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  background: transparent;
  color: var(--color-primary);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.tag-pill:hover:not(:disabled) {
  background: var(--color-primary);
  color: #fff;
}
.tag-pill.applied {
  background: var(--color-success, #2ecc71);
  border-color: var(--color-success, #2ecc71);
  color: #fff;
  cursor: default;
}
.tag-check {
  font-size: 0.7rem;
}
.btn-dismiss-tags {
  padding: 0.1rem 0.4rem;
  border: none;
  background: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}
.btn-dismiss-tags:hover {
  color: var(--color-text);
}

/* ── Assist panel ── */
.assist-panel {
  width: 320px;
  flex-shrink: 0;
  border-left: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.assist-panel-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--color-border);
}
.assist-panel-title {
  flex: 1;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.btn-proofread {
  padding: 0.3rem 0.65rem;
  font-size: 0.78rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: none;
  color: var(--color-text-secondary);
  cursor: pointer;
}
.btn-proofread:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-proofread:disabled {
  opacity: 0.5;
  cursor: default;
}
.btn-close-assist {
  padding: 0.1rem 0.4rem;
  border: none;
  background: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}
.assist-panel-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 0.75rem 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

/* Section list */
.assist-sections-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  margin-bottom: 0.2rem;
}
.assist-sections {
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  max-height: 200px;
  overflow-y: auto;
  flex-shrink: 0;
}
.assist-section-item {
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  font-size: 0.82rem;
  border-left: 3px solid transparent;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.assist-section-item:hover {
  background: var(--color-bg-secondary);
}
.assist-section-item.selected {
  border-left-color: var(--color-primary);
  background: var(--color-bg-secondary);
  font-weight: 500;
}
.assist-empty,
.assist-hint {
  padding: 0.6rem 0.7rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}
.assist-target-preview {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.assist-target-preview em {
  font-style: normal;
  color: var(--color-text);
}
.assist-instruction {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-family: inherit;
  resize: vertical;
  background: var(--color-bg);
  color: var(--color-text);
  box-sizing: border-box;
  min-height: 3.5rem;
}
.assist-input-actions {
  display: flex;
  gap: 0.5rem;
}
.btn-generate {
  padding: 0.4rem 0.9rem;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-generate:disabled {
  opacity: 0.5;
  cursor: default;
}
.btn-clear {
  padding: 0.4rem 0.9rem;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Streaming */
.assist-streaming-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-style: italic;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.assist-preview-box {
  padding: 0.65rem;
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 0.9rem;
  max-height: 300px;
  overflow-y: auto;
}
.typing-indicator {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

/* Error */
.assist-error {
  padding: 0.5rem 0.75rem;
  background: color-mix(in srgb, var(--color-danger) 10%, transparent);
  border: 1px solid var(--color-danger);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--color-danger);
}

/* Review / diff */
.assist-review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}
.btn-toggle-view {
  font-size: 0.75rem;
  color: var(--color-primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.diff-view {
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 0.82rem;
  font-family: monospace;
  max-height: 340px;
  overflow-y: auto;
  padding: 0.4rem 0;
}
.diff-line {
  display: flex;
  align-items: baseline;
  padding: 0.05rem 0.5rem;
  line-height: 1.5;
}
.diff-delete {
  background: color-mix(in srgb, var(--color-danger) 12%, transparent);
  color: var(--color-danger);
}
.diff-insert {
  background: color-mix(in srgb, var(--color-success) 12%, transparent);
  color: var(--color-success);
}
.diff-equal {
  color: var(--color-text-muted);
}
.diff-marker {
  flex-shrink: 0;
  width: 1rem;
  text-align: center;
  user-select: none;
  font-weight: 700;
}
.diff-text {
  flex: 1;
  white-space: pre-wrap;
  word-break: break-word;
}
.diff-empty {
  padding: 0.5rem;
  color: var(--color-text-muted);
  font-style: italic;
  font-size: 0.82rem;
}
.assist-actions {
  display: flex;
  gap: 0.5rem;
}
.btn-accept {
  padding: 0.4rem 1rem;
  background: var(--color-success);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-reject {
  padding: 0.4rem 1rem;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.modal-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 8px 32px var(--color-shadow);
}
.modal-title {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}
.modal-message {
  margin: 0 0 1.25rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}
.modal-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}
.modal-btn {
  padding: 0.45rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  color: var(--color-text);
  cursor: pointer;
  font-size: 0.9rem;
}
.modal-btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}

/* ── Floating inline assist button (teleported to body) ── */
.inline-assist-btn {
  position: fixed;
  z-index: 100;
  transform: translateX(-50%);
  padding: 0.3rem 0.75rem;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  box-shadow: 0 2px 8px var(--color-shadow);
  pointer-events: auto;
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .editor-body {
    flex-direction: column;
  }
  .assist-panel {
    width: auto;
    flex: 0 0 45%;
    border-left: none;
    border-top: 1px solid var(--color-border);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
  }
  .editor-header {
    padding: 0.75rem 1rem 0.5rem;
  }
  .editor-main {
    padding: 0.5rem 1rem 1rem;
  }
}