.nebula-text-area{box-sizing:border-box;border:1px solid var(--nbla-color-textArea-border);border-radius:var(--nbla-button-corner-radius);background-color:var(--nbla-color-textArea-background);width:100%;color:var(--nbla-color-textArea-foreground);font-family:var(--nbla-font-sans);font-size:var(--nbla-font-size-2);line-height:var(--nbla-line-height-2);font-weight:var(--nbla-font-weight-regular);padding:var(--space-2) var(--space-3);resize:none;scrollbar-gutter:stable;transition:border-color var(--nbla-duration-base) ease-out, background-color var(--nbla-duration-base) ease-out, color var(--nbla-duration-base) ease-out;margin:0}.nebula-text-area::placeholder{color:var(--nbla-color-textArea-placeholder)}.nebula-text-area:focus{border-color:var(--nbla-color-textArea-border-focus);outline:none}.nebula-text-area:focus-visible{outline:2px solid var(--nbla-color-border-keyboardFocusOuter);outline-offset:1px;box-shadow:0 0 0 1px var(--nbla-color-border-keyboardFocusInner)}.nebula-text-area:disabled{opacity:var(--nbla-button-opacity-disabled);cursor:not-allowed}.nebula-text-area:read-only:not(:disabled){border-color:var(--nbla-color-border-muted)}.agent-mention-chip{min-width:0;max-width:100%;display:inline-flex}.agent-attachment-meta{color:var(--nbla-gray-10);font-size:var(--nbla-font-size-1);flex:none}.agent-attachment-chip--failed .agent-chip{--button-border:var(--nbla-red-7);color:var(--nbla-red-11)}.agent-attachment-chip--failed .agent-attachment-meta{color:var(--nbla-red-11)}.agent-attachment-chip--uploading .agent-chip-label,.agent-attachment-chip--uploading .agent-attachment-thumb{opacity:.7}.agent-attachment-thumb{border-radius:var(--radius-1);object-fit:cover;flex:none;width:16px;height:16px}.agent-attachment-download:disabled{cursor:progress}.agent-attachment-chip--staged .agent-chip{box-shadow:none;outline:1px dotted var(--nbla-gray-9);outline-offset:-1px;background:0 0}.agent-chat-composer-region{padding:var(--space-4) var(--space-5) var(--space-3);background:var(--nbla-color-background-elevation-200);flex:none}.agent-chat-composer{max-width:720px;margin:0 auto}.agent-chat-queue{gap:var(--space-1);margin-bottom:var(--space-2);flex-direction:column;max-height:240px;display:flex;overflow-y:auto}.agent-chat-queue-row{align-items:baseline;gap:var(--space-2);display:flex}.agent-chat-queue-prompt{flex:1;min-width:0}.agent-chat-queue-edit{vertical-align:baseline;margin-left:var(--space-1);display:inline-flex}.agent-chat-queue-actions{align-items:center;gap:var(--space-3);flex-shrink:0;display:flex}.agent-chat-queue-card[draggable=true]{cursor:grab}.agent-chat-queue-card[data-dragging]{opacity:.5}.agent-chat-queue-card[data-drop-target]{border-color:var(--nbla-color-textArea-border-focus);box-shadow:0 0 0 1px var(--nbla-color-textArea-border-focus)}.agent-chat-queue-error{color:var(--nbla-red-11);margin-top:var(--space-2);display:block}.agent-chat-queue-card{padding:var(--space-2) var(--space-3);border:1px solid var(--nbla-color-textArea-border);border-radius:var(--nbla-button-corner-radius);background:var(--nbla-color-background-elevation-300);color:var(--nbla-gray-12);font-size:var(--nbla-font-size-2);line-height:var(--nbla-line-height-2);overflow-wrap:anywhere;white-space:pre-wrap}.agent-chat-queue-mentions{gap:var(--space-1) var(--space-2);margin-top:var(--space-2);flex-wrap:wrap;display:flex}.agent-chat-composer-box{padding:var(--space-3) var(--space-3) var(--space-2);border:1px solid var(--nbla-color-textArea-border);border-radius:var(--nbla-button-corner-radius);background:var(--nbla-color-textArea-background);transition:border-color var(--nbla-duration-base) ease-out;position:relative;overflow:visible}.agent-chat-composer-box:focus-within,.agent-chat-composer-box--dragging{border-color:var(--nbla-color-textArea-border-focus)}.agent-chat-attach-error{min-width:0;color:var(--nbla-red-11);font-family:var(--nbla-font-sans);font-size:var(--nbla-font-size-1);line-height:var(--nbla-line-height-1);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.agent-chat-composer-mentions{gap:var(--space-1) var(--space-2);margin-bottom:var(--space-2);flex-wrap:wrap;display:flex}.agent-chat-inline-mention-input{flex:auto;min-width:0;position:relative}.agent-chat-inline-mention-input>.nebula-text-area{width:100%}.agent-chat-mention-anchor{pointer-events:none;position:absolute;inset:0}.agent-chat-mention-menu{z-index:10;width:min(360px, calc(100vw - var(--space-6)));max-height:min(340px,50vh);padding:var(--space-2);box-shadow:var(--shadow-5);flex-direction:column;display:flex}.agent-chat-mention-results{overscroll-behavior:contain;scrollbar-gutter:stable;flex:auto;min-height:0;max-height:256px;overflow-y:auto}.agent-chat-mention-more{padding:var(--space-2);justify-content:center;display:flex}.agent-chat-mention-title,.agent-chat-mention-empty{padding:var(--space-1) var(--space-2);color:var(--nbla-gray-10)}.agent-chat-mention-groups{max-height:280px;margin-top:var(--space-2);overflow-y:auto}.agent-chat-mention-group+.agent-chat-mention-group{margin-top:var(--space-2);padding-top:var(--space-2);border-top:1px solid var(--nbla-color-border-muted)}.agent-chat-mention-group-title{padding:0 var(--space-2) var(--space-1);color:var(--nbla-gray-10)}.agent-chat-mention-option{align-items:center;gap:var(--space-2);width:100%;min-height:32px;padding:var(--space-1) var(--space-2);border-radius:var(--nbla-button-corner-radius);color:var(--nbla-gray-12);font:inherit;font-size:var(--nbla-font-size-2);text-align:left;cursor:pointer;background:0 0;border:0;display:flex}.agent-chat-mention-back{margin-bottom:var(--space-2);align-self:flex-start}.agent-chat-mention-option:hover{background:var(--nbla-color-button-background-ghost-hover);color:var(--nbla-color-button-foreground-ghost-hover)}.agent-chat-mention-option:focus-visible{outline:2px solid var(--nbla-color-border-keyboardFocusOuter);outline-offset:1px;box-shadow:0 0 0 1px var(--nbla-color-border-keyboardFocusInner)}.agent-chat-mention-search{align-items:center;gap:var(--space-2);height:28px;margin:0 0 var(--space-2);padding:0 var(--space-2);border:1px solid var(--nbla-color-textArea-border);border-radius:var(--nbla-button-corner-radius);background:var(--nbla-color-textArea-background);color:var(--nbla-color-textArea-placeholder);display:flex}.agent-chat-mention-search input{min-width:0;color:var(--nbla-color-textArea-foreground);font-family:var(--nbla-font-sans);font-size:var(--nbla-font-size-1);line-height:var(--nbla-line-height-1);background:0 0;border:0;outline:0;flex:1}.agent-chat-mention-search input::placeholder{color:var(--nbla-color-textArea-placeholder)}.agent-chat-mention-search:focus-within{outline:2px solid var(--nbla-color-border-keyboardFocusOuter);outline-offset:1px;box-shadow:0 0 0 1px var(--nbla-color-border-keyboardFocusInner)}.agent-chat-composer-field.nebula-text-area{background:0 0;border:none;border-radius:0;padding:0}.agent-chat-composer-field.nebula-text-area:focus,.agent-chat-composer-field.nebula-text-area:focus-visible{box-shadow:none;border:none;outline:none}.agent-chat-composer-actions{align-items:center;gap:var(--space-1);height:24px;margin-top:var(--space-2);display:flex;position:relative}.agent-chat-context-usage{flex:none;width:18px;height:18px;margin-left:auto;display:inline-flex}.agent-chat-context-usage svg{fill:none;stroke-width:2px;width:100%;height:100%}.agent-chat-context-usage-track{stroke:var(--nbla-gray-5)}.agent-chat-context-usage-used{stroke:var(--nbla-gray-9);transform-origin:50%;transform:rotate(-90deg)}.agent-chat-context-tip{gap:var(--space-2);flex-direction:column;min-width:200px;display:flex}.agent-chat-context-tip-track{border-radius:var(--radius-full);background:color-mix(in srgb, currentColor 25%, transparent);height:4px}.agent-chat-context-tip-fill{border-radius:inherit;background:currentColor;height:100%;display:block}.agent-chat-context-usage:focus-visible{outline:2px solid var(--nbla-color-border-keyboardFocusOuter);outline-offset:1px;box-shadow:0 0 0 1px var(--nbla-color-border-keyboardFocusInner)}.agent-chat-send{margin-left:auto}.agent-chat-context-usage+.agent-chat-send{margin-left:var(--space-2)}.agent-chat-composer-action-tooltip{gap:var(--space-1);flex-direction:column;display:flex}.agent-chat-composer-action-tooltip>span{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.agent-chat-composer-hint{justify-content:space-between;align-items:center;gap:var(--space-2) var(--space-3);min-height:20px;margin-top:var(--space-2);color:var(--nbla-gray-10);font-family:var(--nbla-font-sans);font-size:var(--nbla-font-size-1);line-height:var(--nbla-line-height-1);flex-wrap:wrap;display:flex}.agent-chat-hint-key{align-items:center;gap:var(--space-2);color:var(--nbla-gray-10);white-space:nowrap;display:inline-flex}.agent-chat-hint-model{align-items:center;min-width:0;margin-left:auto;display:inline-flex}