.message-row{display:flex;align-items:flex-start;gap:var(--spacing-3, .75rem);padding:var(--spacing-4, 1rem);animation:messageSlideIn .3s ease-out}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(.5rem)}to{opacity:1;transform:translateY(0)}}.message-row.user{flex-direction:row-reverse;justify-content:flex-start}.message-row.assistant{flex-direction:row}.message-row.synthesis-row{--message-accent: var(--accent-brand, #6366f1)}.message-avatar{flex-shrink:0;width:2.5rem;height:2.5rem;border-radius:var(--radius-xl, .75rem);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:600;overflow:hidden;position:relative;margin-top:.25rem}.avatar-user{background:linear-gradient(135deg,var(--accent-brand, #6366f1),var(--accent-lavender, #818cf8));color:#fff;box-shadow:0 2px 8px #6366f14d}.avatar-assistant{background:var(--tile, rgba(255, 255, 255, .6));border:1px solid var(--border-subtle, rgba(255, 255, 255, .2));-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--text-primary, #1e1b4b)}.avatar-synthesis{background:linear-gradient(135deg,var(--accent-brand, #6366f1),var(--accent-mint, #10b981));color:#fff;box-shadow:0 2px 12px #6366f166}.avatar-image{width:100%;height:100%;object-fit:cover}.avatar-fallback{display:flex;align-items:center;justify-content:center;width:100%;height:100%}.message-stack{display:flex;flex-direction:column;gap:var(--spacing-2, .5rem);max-width:min(85%,48rem)}.user .message-stack{align-items:flex-end}.assistant .message-stack{align-items:flex-start}.message-head{display:flex;align-items:center;gap:var(--spacing-2, .5rem);font-size:.75rem;padding:0 var(--spacing-2, .5rem)}.message-head-user{justify-content:flex-end}.message-actions{display:flex;align-items:center;gap:.375rem;margin-left:auto;opacity:0;transition:opacity .14s ease}.message-row:hover .message-actions{opacity:1}.message-action-btn{width:1.75rem;height:1.75rem;border-radius:.5rem;border:0;padding:0;background:transparent;color:var(--text-muted, #9ca3af);cursor:pointer;display:grid;place-items:center;font-size:.875rem;transition:all .14s ease}.message-action-btn:hover{background:var(--accent-soft, rgba(180, 95, 60, .1));color:var(--accent, #b45f3c)}.message-action-btn.copied{color:var(--success, #4a7c59);background:var(--success-soft, rgba(74, 124, 89, .1))}.copy-icon{font-size:.875rem;line-height:1}.message-name{font-weight:600;color:var(--text-primary, #1e1b4b)}.message-role{font-size:.6875rem;color:var(--text-tertiary, #6b7280);background:var(--fill-subtle, rgba(0, 0, 0, .05));padding:.125rem .5rem;border-radius:var(--radius-full, 9999px)}.message-role--loading{color:var(--accent-brand, #6366f1);background:#6366f11a;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.message-time{color:var(--text-tertiary, #9ca3af);font-size:.6875rem}.synthesis-badge{font-size:.625rem;font-weight:600;text-transform:uppercase;letter-spacing:.025em;color:#fff;background:linear-gradient(90deg,var(--accent-brand, #6366f1),var(--accent-mint, #10b981));padding:.125rem .5rem;border-radius:var(--radius-full, 9999px);box-shadow:0 1px 4px #6366f14d}.message-bubble{padding:var(--spacing-3, .75rem) var(--spacing-4, 1rem);border-radius:var(--radius-2xl, 1rem);font-size:.9375rem;line-height:1.65;word-wrap:break-word}.user .message-bubble{background:linear-gradient(135deg,var(--accent-brand, #6366f1),var(--accent-lavender, #818cf8));color:#fff;border-bottom-right-radius:var(--radius-sm, .25rem);box-shadow:0 4px 12px #6366f140}.ai-bubble{background:var(--tile, rgba(255, 255, 255, .7));border:1px solid var(--border-subtle, rgba(255, 255, 255, .3));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:var(--text-primary, #1e1b4b);border-bottom-left-radius:var(--radius-sm, .25rem);box-shadow:0 1px 3px #0000000d,0 4px 12px #0000000d,inset 0 1px #ffffff80}.synthesis-bubble{background:linear-gradient(135deg,#6366f114,#10b9810d);border:1px solid rgba(99,102,241,.2);box-shadow:0 1px 3px #6366f11a,0 4px 16px #6366f11a}.ai-bubble.is-loading{min-width:12rem}.ai-bubble-content{display:flex;flex-direction:column;gap:var(--spacing-2, .5rem)}.message-content.markdown-body p{margin:0 0 .75rem}.message-content.markdown-body p:last-child{margin-bottom:0}.message-content.markdown-body pre{background:var(--fill-subtle, rgba(0, 0, 0, .05));border:1px solid var(--border-subtle, rgba(0, 0, 0, .1));border-radius:var(--radius-lg, .5rem);padding:.75rem 1rem;overflow-x:auto;margin:.75rem 0}.message-content.markdown-body code{font-family:var(--font-mono, ui-monospace, monospace);font-size:.875em}.message-content.markdown-body pre code{background:transparent;padding:0}.message-content.markdown-body :not(pre)>code{background:#6366f11a;color:var(--accent-brand, #6366f1);padding:.125rem .375rem;border-radius:var(--radius-sm, .25rem)}.message-content.markdown-body ul,.message-content.markdown-body ol{margin:.75rem 0;padding-left:1.5rem}.message-content.markdown-body li{margin:.25rem 0}.message-content.markdown-body blockquote{margin:.75rem 0;padding-left:1rem;border-left:3px solid var(--accent-brand, #6366f1);color:var(--text-secondary, #4b5563)}.ai-bubble-thinking{margin-bottom:var(--spacing-2, .5rem)}.ai-card-loading{display:flex;flex-direction:column;gap:.5rem;padding:.5rem 0}.skeleton-line{height:.75rem;background:linear-gradient(90deg,var(--fill-subtle, rgba(0, 0, 0, .06)) 25%,var(--fill-muted, rgba(0, 0, 0, .1)) 50%,var(--fill-subtle, rgba(0, 0, 0, .06)) 75%);background-size:200% 100%;border-radius:var(--radius-sm, .25rem);animation:skeletonShimmer 1.5s ease-in-out infinite}@keyframes skeletonShimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.w-60{width:60%}.w-72{width:72%}.w-84{width:84%}.w-90{width:90%}.w-100{width:100%}.provider-icon{display:inline-flex;align-items:center;justify-content:center}@media(max-width:640px){.message-row{padding:var(--spacing-3, .75rem);gap:var(--spacing-2, .5rem)}.message-avatar{width:2rem;height:2rem;font-size:.625rem;margin-top:.125rem}.message-stack{max-width:calc(100% - 3rem)}.message-bubble{padding:var(--spacing-2, .5rem) var(--spacing-3, .75rem);font-size:.875rem}}@media(prefers-color-scheme:dark){.ai-bubble{background:#1e1b4bb3;border-color:#ffffff1a;color:#f3f4f6}.avatar-assistant{background:#1e1b4b99;border-color:#ffffff1a}.message-name{color:#f3f4f6}.skeleton-line{background:linear-gradient(90deg,#ffffff0d 25%,#ffffff1a,#ffffff0d 75%);background-size:200% 100%}}@media(prefers-reduced-motion:reduce){.message-row{animation:none}.skeleton-line{animation:none;background:var(--fill-subtle, rgba(0, 0, 0, .06))}.think-toggle-btn,.message-role--loading{animation:none}}