.reference-dropzone { border: 1px dashed var(--line); border-radius: 12px; padding: 20px 12px; text-align: center; background: var(--panel-2); transition: background .15s, border-color .15s; }
.reference-dropzone p { margin: 0 0 12px; font-weight: 600; color: var(--text); }
.reference-dropzone small { display: block; margin-top: 12px; color: var(--muted); font-size: 11px; }
.reference-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.reference-actions button { font-size: 12px; padding: 8px 12px; }
.reference-dropzone.dragover, .reference-card.dragover { background: var(--accent-dark); border-color: var(--accent); outline: 2px solid var(--accent); }
.reference-status { font-size: 12px; color: var(--muted); margin: 8px 0; overflow-wrap: anywhere; }
.reference-status.error { color: var(--red); }
.reference-url-label { margin-top: 12px; font-size: 12px; }
.selected-references { display: grid; grid-template-columns: repeat(auto-fill, minmax(108px, 1fr)); gap: 8px; margin-top: 10px; }
.reference-card { min-width: 0; border: 1px solid var(--line); border-radius: 10px; padding: 8px; background: var(--panel); }
.reference-card img, .reference-placeholder { display: block; width: 100%; height: 90px; object-fit: contain; background: var(--bg); border-radius: 6px; }
.reference-placeholder { display: grid; place-items: center; font-size: 12px; color: var(--muted); }
.reference-name { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin: 8px 0; font-size: 12px; }
.reference-card-actions { display: flex; gap: 4px; flex-wrap: wrap; }
.reference-card-actions button { font-size: 11px; padding: 5px 8px; }
.reference-library { width: min(760px, calc(100vw - 24px)); max-height: calc(100dvh - 32px); padding: 24px; border: 1px solid var(--line); border-radius: 18px; color: var(--text); background: var(--panel); overflow-y: auto; }
.reference-library::backdrop { background: rgb(15 23 42 / 45%); }
.reference-library-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.reference-library h2 { margin:0; font-size:var(--type-section); font-weight:650; line-height:1.35; }
.reference-library > p { color: var(--muted); font-size: 13px; }
.reference-library-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; margin: 16px 0; }
.reference-library-grid .reference-card img { height: 120px; }
.reference-card[data-selected="true"] { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.reference-delete-warning { white-space: normal; font-size: 12px; color: var(--red); }
.reference-library-footer { display: flex; justify-content: space-between; gap: 12px; margin-top: 16px; }
@media (max-width: 600px) { .reference-library { padding: 16px; } .reference-library-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (prefers-reduced-motion: reduce) { .reference-dropzone { transition: none; } }

.reference-manual { margin-top: 12px; color: var(--muted); font-size: 12px; }
.reference-manual summary { cursor: pointer; }
body:has(.reference-library[open]) { overflow: hidden; }
.reference-card { position: relative; }
.selected-references .reference-card { cursor: grab; }
.selected-references .reference-card.dragging { opacity: .45; cursor: grabbing; }
.reference-card .reference-remove, .reference-card .reference-delete { position: absolute; top: 6px; right: 6px; z-index: 1; min-width: 26px; height: 26px; padding: 0 7px; border-radius: 5px; border: 1px solid var(--line); background: var(--panel); color: var(--text); font-size: 11px; }
.reference-card .reference-remove { width: 26px; padding: 0; font-size: 20px; line-height: 1; }
.reference-card .reference-remove:hover, .reference-card .reference-delete:hover { color: var(--red); border-color: var(--red); }
.reference-library-grid .reference-card { padding: 0; }
.reference-choice { display: block; width: 100%; padding: 8px; border: 0; border-radius: inherit; background: transparent; color: var(--text); text-align: left; cursor: pointer; }
.reference-choice:hover { background: var(--panel-2); }
.reference-choice .reference-name { margin-bottom: 0; }
.reference-library-grid .reference-delete-warning, .reference-library-grid .reference-card-actions { margin: 8px; }
.reference-card[data-selected="true"] { border-color: var(--blue); box-shadow: 0 0 0 1px var(--blue); }

.provider-reference-library > .control-row { margin-bottom:16px; }
.provider-reference-library .control-row > label { flex:1; min-width:0; }
.provider-reference-library .reference-actions { margin-bottom:12px; }
.reference-library [hidden] { display:none !important; }
.prompt-reference-container { position:relative; }
.prompt-reference-mirror { position:absolute; overflow:hidden; pointer-events:none; z-index:1; border:0; }
.prompt-reference-text { box-sizing:border-box; white-space:pre-wrap; overflow-wrap:break-word; border:0 solid transparent; min-height:100%; }
textarea.prompt-reference-input { position:relative; z-index:2; background:transparent; color:transparent; -webkit-text-fill-color:transparent; caret-color:var(--text); }
textarea.prompt-reference-input::selection { background:color-mix(in srgb,var(--accent) 24%,transparent); color:transparent; }
.prompt-reference-token { color:var(--blue); text-decoration:underline; text-underline-offset:3px; }
.prompt-reference-token.missing { text-decoration-style:dotted; color:var(--red); }
textarea.reference-hover { cursor:pointer; }
.reference-preview-popup { width:224px; padding:12px; pointer-events:auto; }
.reference-preview-popup p { margin:6px 0; font-size:12px; color:var(--muted); }
.reference-preview-popup img { display:block; width:100%; max-height:200px; object-fit:contain; border-radius:8px; }
.reference-preview-popup .model-info-close { position:absolute; right:2px; top:2px; }