.composer-tools{display:flex;align-items:center;gap:10px;min-width:0}.attachment-button{display:inline-flex;flex:0 0 auto;align-items:center;justify-content:center;gap:7px;min-width:104px;min-height:34px;padding:6px 12px;border:1px solid color-mix(in srgb,var(--orange) 38%,var(--line));border-radius:9px;color:var(--orange-dark,var(--orange));background:color-mix(in srgb,var(--orange) 8%,var(--surface));font-size:12px;font-weight:800;white-space:nowrap;cursor:pointer;transition:background .18s,border-color .18s,transform .18s}.attachment-button:hover{border-color:var(--orange);background:color-mix(in srgb,var(--orange) 15%,var(--surface));transform:translateY(-1px)}.attachment-button-icon{display:grid;place-items:center;flex:0 0 auto;width:18px;height:18px;border-radius:6px;color:#fff;background:var(--orange);font-size:14px;font-weight:900;line-height:1}.composer-hint{min-width:0;flex:1;line-height:1.45}.composer-cost{flex:0 0 auto;margin-left:auto;white-space:nowrap}.attachment-list{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 8px}.attachment-chip{display:inline-flex;align-items:center;gap:8px;max-width:260px;min-height:42px;padding:6px 8px;border:1px solid var(--line);border-radius:8px;color:var(--ink);background:var(--surface)}.attachment-chip-copy{display:grid;min-width:0;line-height:1.25}.attachment-chip-copy strong{overflow:hidden;font-size:11px;text-overflow:ellipsis;white-space:nowrap}.attachment-chip-copy small{margin-top:2px;color:var(--muted);font-size:9px}.attachment-chip.error{border-color:#e8a29c;background:#fff7f6}.attachment-chip.error small{color:#b43b32}.attachment-file-icon{position:relative;display:block;flex:0 0 24px;width:24px;height:29px;border:1.5px solid color-mix(in srgb,var(--orange) 52%,var(--line));border-radius:5px;background:color-mix(in srgb,var(--orange) 7%,#fff)}.attachment-file-icon:after{content:'';position:absolute;right:3px;top:4px;width:7px;height:1.5px;background:var(--orange);box-shadow:0 4px 0 color-mix(in srgb,var(--orange) 65%,transparent),0 8px 0 color-mix(in srgb,var(--orange) 45%,transparent)}.attachment-chip button{flex:0 0 24px;width:24px;height:24px;padding:0;border:0;border-radius:6px;color:var(--muted);background:transparent;cursor:pointer;font-size:16px}.attachment-chip button:hover{color:#b43b32;background:#fff0ee}.attachment-spinner{width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--orange);border-radius:50%;animation:attachment-spin .8s linear infinite}.attachment-notice{margin:0 0 8px;padding:7px 10px;border:1px solid #efc49c;border-radius:7px;color:#8f4a11;background:#fff8ef;font-size:11px}.agent-chat.attachment-drag-active{position:relative}.agent-chat.attachment-drag-active:after{content:'松开即可添加到本次任务';position:absolute;z-index:20;inset:12px;display:grid;place-items:center;border:2px dashed var(--orange);border-radius:8px;color:var(--orange);background:color-mix(in srgb,var(--surface) 92%,transparent);font-size:15px;font-weight:800;pointer-events:none}@keyframes attachment-spin{to{transform:rotate(360deg)}}@media(max-width:720px){.composer-tools{flex-wrap:wrap}.composer-hint{order:3;flex-basis:100%}.attachment-chip{max-width:100%}}