/* ══════════════════════════════════════
   ReferenceCompose  rc-*
══════════════════════════════════════ */

.rc-page {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  background: var(--bg);
  color: var(--ink);
  overflow: hidden;
}

/* Top bar */
.rc-top-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.rc-back-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: var(--fs-20);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  flex-shrink: 0;
}

.rc-name-input {
  flex: 1;
  min-width: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-15);
  font-weight: 600;
  color: var(--ink);
  background: var(--surface2);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-lg);
  outline: none;
  padding: 5px 10px;
}
.rc-name-input:focus {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

/* Body */
.rc-body {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 16px 14px;
  gap: 0;
}

/* Grid area */
.rc-grid-area {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

/* Band */
.rc-band {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Slot row */
.rc-slot-row {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-wrap: nowrap;
  overflow-x: auto;
}

/* Slots */
.rc-slot {
  width: 120px;
  min-height: 76px;
  flex-shrink: 0;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  position: relative;
  margin-right: 6px;
}

.rc-slot-occupied {
  border: 1px solid var(--border);
  background: var(--surface2);
  padding: 7px 8px;
}

.rc-slot-empty {
  border: 2px dashed var(--border);
  background: transparent;
  align-items: center;
  justify-content: center;
}

/* Placed chip content */
.rc-chip-name {
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  font-weight: 600;
  color: var(--ink);
  padding-right: 18px;
  word-break: break-word;
}

.rc-chip-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  background: none;
  border: none;
  font-size: var(--fs-12);
  color: var(--ink-light);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  line-height: 1;
}
.rc-chip-remove:hover {
  color: #e84a4a;
  background: color-mix(in srgb, #e84a4a 10%, transparent);
}

/* Add-reference button inside empty slot */
.rc-add-ref-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  cursor: pointer;
  padding: 8px;
  text-align: center;
  width: 100%;
  height: 100%;
}

/* Gap toggle */
.rc-gap-toggle {
  width: 22px;
  min-height: 76px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--ink-light);
  cursor: pointer;
  padding: 0;
  margin-right: 6px;
  transition: border-color 0.15s, color 0.15s;
}
.rc-gap-toggle:hover { border-color: var(--accent); color: var(--accent); }
.rc-gap-toggle-active {
  border: 1.5px dashed #8b5cf6;
  background: color-mix(in srgb, #8b5cf6 8%, transparent);
  color: #8b5cf6;
}

/* Inline picker */
.rc-picker {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px;
  width: 100%;
}

.rc-picker-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 4px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 5px 8px;
  cursor: pointer;
  font-family: var(--font-sans);
  text-align: left;
  width: 100%;
}
.rc-picker-item:hover { border-color: var(--accent); }

.rc-picker-name {
  font-size: var(--fs-12);
  font-weight: 600;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rc-picker-empty {
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  color: var(--ink-light);
  font-style: italic;
  padding: 6px 8px;
}

.rc-picker-cancel {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  color: var(--ink-mid);
  cursor: pointer;
  padding: 4px 8px;
  text-align: left;
}

/* Alignment row */
.rc-alignment-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 0 2px;
}

.rc-alignment-label {
  font-family: var(--font-sans);
  font-size: var(--fs-10);
  color: var(--ink-mid);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rc-align-btn {
  font-family: var(--font-sans);
  font-size: var(--fs-10);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface2);
  color: var(--ink-mid);
  cursor: pointer;
  padding: 2px 8px;
  text-transform: capitalize;
}
.rc-align-btn:hover { border-color: var(--accent); color: var(--accent); }
.rc-align-btn-active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
  font-weight: 600;
}

/* Add band button */
.rc-add-band-btn {
  align-self: flex-start;
  background: none;
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-lg);
  color: var(--ink-mid);
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  cursor: pointer;
  padding: 8px 16px;
  margin-top: 4px;
  transition: border-color 0.15s, color 0.15s;
}
.rc-add-band-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Bottom bar */
.rc-bottom-bar {
  display: flex;
  gap: 10px;
  padding: 14px 0 4px;
  border-top: 1px solid var(--border);
  margin-top: 16px;
  justify-content: flex-end;
}