.empty { margin: 0; min-height: 100%; padding: clamp(34px,8vh,88px) 0 24px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }.empty h1 { max-width: 860px; margin: 24px 0 11px; font-size: clamp(34px,4.2vw,52px); line-height: 1.02; letter-spacing: -.048em; text-wrap: balance; }.lead { max-width: 650px; margin: 0 auto; color: var(--muted); font-size: 15.5px; line-height: 1.58; text-wrap: balance; }
.quick { width: 100%; max-width: 820px; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; margin: 30px auto 0; }.quick-card { min-height: 118px; border: 1px solid var(--line); border-radius: 18px; background: rgba(15,19,27,.66); padding: 15px; text-align: left; color: var(--text); transition: .2s ease; }.quick-card:hover { background: var(--surface-2); border-color: var(--line-2); transform: translateY(-2px); }.qicon { width: 34px; height: 34px; border-radius: 10px; background: var(--surface-3); display: grid; place-items: center; color: var(--accent-2); margin-bottom: 17px; }.quick-card strong, .quick-card > span:last-child { display: block; }.quick-card strong { font-size: 12.5px; }.quick-card > span:last-child { margin-top: 3px; color: var(--subtle); font-size: 11px; line-height: 1.42; }.empty.hide-suggestions .quick { display: none; }
.feed, .messages-container { width: 100%; display: grid; gap: 30px; }.messages-container .message { width: min(100%,820px); display: grid; grid-template-columns: minmax(0,1fr); gap: 8px; align-items: start; content-visibility: auto; contain-intrinsic-size: auto 120px; }.messages-container .message.user { width: min(100%,700px); margin-left: auto; justify-items: end; }.messages-container .message-content { width: 100%; min-width: 0; max-width: 820px; border: 0; background: transparent; padding: 0; color: #e9ecf3; line-height: 1.66; }.messages-container .message.user .message-content { width: auto; max-width: min(700px,88%); background: var(--surface-2); border: 1px solid var(--line); border-radius: 18px 18px 5px 18px; padding: 13px 15px; }.messages-container .message-avatar { width: 32px; height: 32px; border-radius: 11px; }.messages-container .message-header { display: flex; align-items: center; gap: 8px; }.messages-container .message.user .message-header { display: none; }
.system-notice, .activity-banner { margin: 0 0 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); padding: 12px; }.system-notice-title, .activity-title { font-weight: 700; }.system-notice-body, .activity-detail, .activity-meta { color: var(--muted); font-size: 11px; }
.jump-to-latest { position: absolute; z-index: 21; right: max(var(--content-gutter), calc((100% - var(--chat))/2)); bottom: 12px; min-height: 38px; padding: 0 13px; border: 1px solid var(--line-2); border-radius: 999px; background: var(--surface-3); box-shadow: var(--shadow-soft); color: var(--text); }
.jump-to-latest[hidden] { display: none; }
.markdown-body { min-width: 0; overflow-wrap: anywhere; }
.markdown-body > :first-child { margin-top: 0; }
.markdown-body > :last-child { margin-bottom: 0; }
.markdown-body h2, .markdown-body h3, .markdown-body h4 { margin: 1.25em 0 .45em; letter-spacing: 0; line-height: 1.25; color: var(--text); }
.markdown-body h2 { font-size: 1.28rem; }.markdown-body h3 { font-size: 1.12rem; }.markdown-body h4 { font-size: 1rem; }
.markdown-body p, .markdown-body ul, .markdown-body ol, .markdown-body blockquote, .markdown-body .table-scroll, .markdown-body .code-block { margin: .65em 0; }
.markdown-body ul, .markdown-body ol { padding-left: 1.45rem; }.markdown-body li + li { margin-top: .28em; }
.markdown-body blockquote { border-left: 3px solid var(--accent); padding: .25em 0 .25em 1em; color: var(--muted); }
.markdown-body a { color: var(--accent-2); text-underline-offset: 3px; }
.markdown-body code { border-radius: 5px; background: var(--surface-3); padding: .12em .35em; font-family: ui-monospace,SFMono-Regular,Consolas,monospace; font-size: .9em; }
.code-block { overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: #090c12; }
.code-toolbar { display: flex; align-items: center; justify-content: space-between; min-height: 36px; padding: 0 10px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.code-toolbar button { border: 0; background: transparent; color: var(--text); }.code-block pre { max-height: 520px; overflow: auto; margin: 0; padding: 14px; }.code-block pre code { padding: 0; background: transparent; }
.table-scroll { width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }.markdown-body table { width: 100%; min-width: 420px; border-collapse: collapse; }.markdown-body th, .markdown-body td { padding: 9px 11px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }.markdown-body th { background: var(--surface-3); color: var(--text); }.markdown-body tr:last-child td { border-bottom: 0; }
.source-list { margin-top: 1.2rem; padding-top: .7rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .92em; }
.task-list-item { list-style: none; }.task-list-item input { margin-right: .55em; }
.message-actions { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; opacity: .7; }.message:hover .message-actions, .message:focus-within .message-actions { opacity: 1; }.message-action-btn { min-height: 30px; padding: 0 8px; border: 0; border-radius: 7px; background: transparent; color: var(--muted); font-size: 11px; }.message-action-btn:hover, .message-action-btn.selected { background: var(--surface-3); color: var(--text); }
.inline-error-card { max-width: 720px; border: 1px solid color-mix(in srgb,var(--danger) 55%,var(--line)); border-radius: 12px; background: color-mix(in srgb,var(--danger) 8%,var(--surface)); padding: 12px 14px; }.inline-error-card p { margin: 4px 0 10px; color: var(--muted); }.inline-error-card button { min-height: 34px; padding: 0 11px; border: 1px solid var(--line-2); border-radius: 8px; background: var(--surface-2); color: var(--text); }

/* =========================================================
   AuAI V6.3 — conversational polish and generated components
   ========================================================= */
.messages-container { padding-bottom: 8px; }
.messages-container .message.assistant { position: relative; }
.messages-container .message-header {
  min-height: 28px;
  gap: 8px;
  color: var(--subtle);
  font-size: 10.5px;
  letter-spacing: .01em;
}
.messages-container .message.assistant .message-header { padding-left: 1px; }
.messages-container .message-avatar {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 10px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.16), transparent 35%),
    linear-gradient(135deg, var(--accent-3), var(--accent) 52%, var(--accent-2));
  box-shadow: 0 7px 20px rgba(73,80,180,.2), inset 0 1px rgba(255,255,255,.24);
  color: #fff;
  font-size: 11px;
  font-weight: 820;
}
.messages-container .message-role { color: #dfe4ed; font-size: 11px; font-weight: 720; }
.messages-container .message-time { color: #697385; font-size: 9.5px; }
.messages-container .message.assistant .message-content { padding-left: 37px; }
.messages-container .message.user .message-content {
  box-shadow: 0 10px 26px rgba(0,0,0,.16), inset 0 1px rgba(255,255,255,.025);
}
.messages-container .message.error .message-content { color: #ffd2d8; }
.messages-container .message.streaming .message-avatar { animation: message-aura-breathe 1.5s ease-in-out infinite; }
.messages-container .message.streaming .message-content::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 16px;
  margin-left: 3px;
  vertical-align: -.15em;
  border-radius: 4px;
  background: var(--accent-2);
  animation: stream-caret .9s ease-in-out infinite;
}
@keyframes message-aura-breathe { 50% { transform: scale(1.07); box-shadow: 0 0 24px rgba(100,215,255,.3); } }
@keyframes stream-caret { 50% { opacity: .22; } }

.markdown-body { font-size: 14.5px; color: #e8ebf2; }
.markdown-body h1 { margin: 0 0 .72em; font-size: 1.58rem; line-height: 1.16; letter-spacing: -.035em; }
.markdown-body h2 { margin-top: 1.45em; font-size: 1.3rem; letter-spacing: -.025em; }
.markdown-body h3 { margin-top: 1.3em; font-size: 1.12rem; letter-spacing: -.015em; }
.markdown-body p { line-height: 1.68; }
.markdown-body strong { color: #f7f8fb; font-weight: 720; }
.markdown-body hr { margin: 1.3rem 0; border: 0; border-top: 1px solid var(--line); }
.markdown-body img { display: block; max-width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--line); }
.markdown-body .table-scroll { box-shadow: inset 0 1px rgba(255,255,255,.02); }
.markdown-body th { font-size: 11.5px; }
.markdown-body td { font-size: 12px; }

.message-actions {
  min-height: 32px;
  align-items: center;
  gap: 2px;
  margin: 7px 0 0 37px;
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity .16s ease, transform .16s ease;
}
.message.user .message-actions { margin-right: 3px; margin-left: 0; justify-content: flex-end; opacity: .35; }
.message:hover .message-actions,
.message:focus-within .message-actions,
.message-actions:has(.selected) { opacity: 1; transform: none; }
.message-action-btn {
  min-height: 30px;
  padding: 0 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 10px;
  line-height: 1;
  white-space: nowrap;
}
.message-action-btn:hover { border-color: var(--line); background: rgba(255,255,255,.035); }
.message-action-btn.is-feedback { padding-inline: 7px; }
.message-action-btn.danger { color: #ff9ca8; }
.message-action-btn.danger:hover { background: rgba(255,136,151,.08); border-color: rgba(255,136,151,.18); }

.message-attachments { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 12px; }
.upload-queue { margin: 8px 0 12px; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-1); }
.upload-queue[hidden] { display: none; }
.upload-queue header, .upload-queue-item { display: flex; align-items: center; gap: 10px; }
.upload-queue header { justify-content: space-between; margin-bottom: 8px; color: var(--muted); font-size: 11px; }
.upload-queue-item { min-height: 34px; }
.upload-queue-item-name { min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
.upload-queue-item progress { width: min(180px, 28vw); }
.upload-queue-item button { min-width: 64px; }
.message-attachment {
  min-width: 190px;
  max-width: 310px;
  min-height: 56px;
  display: grid;
  grid-template-columns: 42px minmax(0,1fr);
  align-items: center;
  gap: 9px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(15,19,27,.72);
}
.message-attachment.is-image { min-width: min(420px,100%); max-width: 560px; grid-template-columns: minmax(180px,260px) minmax(0,1fr); align-items: stretch; }
.message-attachment-preview { position: relative; width: min(260px,42vw); height: clamp(132px,18vw,180px); overflow: hidden; border: 0; border-radius: 11px; background: #0a0d13; cursor: zoom-in; padding: 0; }
.message-attachment-preview img { width: 100%; height: 100%; object-fit: contain; background: #0a0d13; border: 0; border-radius: 11px; transition: transform .2s ease, filter .2s ease; }
.message-attachment-preview:hover img { transform: scale(1.025); filter: brightness(1.05); }
.message-attachment-preview::after { content: "Ampliar"; position: absolute; right: 6px; bottom: 6px; min-height: 22px; display: inline-flex; align-items: center; padding: 0 7px; border-radius: 999px; background: rgba(5,8,13,.78); color: #eef3ff; font-size: 8.5px; opacity: 0; transform: translateY(3px); transition: .16s ease; }
.message-attachment-preview:hover::after, .message-attachment-preview:focus-visible::after { opacity: 1; transform: none; }
.message-attachment-preview:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
.message-attachment-file { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 9px; background: var(--surface-3); color: var(--accent-2); font-size: 10px; }
.message-attachment-meta { min-width: 0; }
.message-attachment-meta strong,
.message-attachment-meta small { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.message-attachment-meta strong { font-size: 11px; }
.message-attachment-meta small { margin-top: 2px; color: var(--subtle); font-size: 9.5px; }

.message-artifacts-inline { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.message-artifacts-inline > strong { display: block; margin-bottom: 9px; font-size: 11px; color: var(--muted); }
.artifact-download-grid { display: grid; gap: 8px; }
.artifact-download-card {
  min-width: 0;
  min-height: 68px;
  display: grid;
  grid-template-columns: 42px minmax(0,1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(23,29,40,.88), rgba(15,19,27,.78));
  color: var(--text);
  text-decoration: none;
  transition: border-color .16s ease, background .16s ease, transform .16s ease;
}
.artifact-download-card:hover { transform: translateY(-1px); border-color: rgba(123,120,255,.33); background: var(--surface-2); }
.artifact-download-icon { width: 42px; height: 46px; display: grid; place-items: center; border-radius: 11px; background: rgba(123,120,255,.1); color: #bdbaff; font-size: 10px; font-weight: 800; }
.artifact-download-copy { min-width: 0; }
.artifact-download-name,
.artifact-download-meta { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.artifact-download-name { font-size: 11.5px; font-weight: 700; }
.artifact-download-meta { margin-top: 3px; color: var(--subtle); font-size: 9.5px; }
.artifact-download-state { min-height: 24px; display: inline-flex; align-items: center; padding: 0 8px; border-radius: 999px; background: rgba(111,224,178,.08); color: #8de8c4; font-size: 9px; font-weight: 720; }

.agent-run-card,
.agent-plan-card {
  width: min(100%, 790px);
  margin-left: 37px;
  border: 1px solid var(--line-2);
  border-radius: 18px;
  background: linear-gradient(155deg, rgba(22,27,38,.94), rgba(12,16,23,.96));
  box-shadow: 0 20px 55px rgba(0,0,0,.22);
  overflow: hidden;
}
.agent-run-card { padding: 14px; display: grid; gap: 12px; }
.agent-run-card.needs-attention { border-color: rgba(243,195,110,.33); }
.agent-run-card.is-terminal { background: rgba(14,18,26,.82); }
.run-card-head { display: grid; grid-template-columns: 34px minmax(0,1fr) auto; gap: 10px; align-items: start; }
.run-card-status-icon { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; background: rgba(123,120,255,.1); }
.run-card-status-icon span { width: 9px; height: 9px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 16px rgba(100,215,255,.55); animation: task-pulse 1.6s ease-in-out infinite; }
.agent-run-card.is-terminal .run-card-status-icon span { background: var(--success); animation: none; }
.agent-run-card.needs-attention .run-card-status-icon span { background: var(--warning); animation: none; }
@keyframes task-pulse { 50% { opacity: .42; transform: scale(.78); } }
.run-card-copy { min-width: 0; }
.run-card-eyebrow { color: var(--accent-2); font-size: 8.5px; font-weight: 780; letter-spacing: .09em; text-transform: uppercase; }
.run-card-copy > strong { display: block; margin-top: 2px; font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.run-card-copy p { margin: 3px 0 0; color: var(--subtle); font-size: 10px; line-height: 1.4; }
.run-card-actions { display: flex; gap: 3px; }
.run-progress { height: 3px; overflow: hidden; border-radius: 999px; background: rgba(255,255,255,.055); }
.run-progress span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg,var(--accent),var(--accent-2)); transition: width .35s var(--ease); }
.run-card-events { display: grid; gap: 7px; padding-top: 2px; }
.run-event { display: grid; grid-template-columns: 12px minmax(0,1fr); gap: 7px; align-items: start; }
.run-event-dot { width: 5px; height: 5px; margin: 6px 0 0 2px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 8px rgba(100,215,255,.35); }
.run-event strong { display: block; font-size: 10.5px; }
.run-event p { margin: 1px 0 0; color: var(--subtle); font-size: 9.5px; line-height: 1.45; }
.run-event.muted { opacity: .68; }

.agent-plan-message .message-content { padding-left: 37px; }
.agent-plan-card { margin-left: 0; padding: 17px; }
.agent-plan-topline { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.plan-kicker { color: var(--accent-2); font-size: 8.5px; font-weight: 780; letter-spacing: .09em; text-transform: uppercase; }
.agent-plan-card h3 { margin: 3px 0 0; font-size: 15px; letter-spacing: -.02em; }
.agent-plan-card > p { margin: 11px 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.agent-plan-card ol { margin: 10px 0; padding-left: 20px; color: #d9dee8; font-size: 11px; }
.agent-plan-card li + li { margin-top: 5px; }
.plan-files { max-width: 42%; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px; }
.plan-files span { max-width: 190px; padding: 4px 7px; border: 1px solid var(--line); border-radius: 7px; color: var(--subtle); font-size: 8.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.plan-actions { display: flex; gap: 7px; margin-top: 14px; }
.primary-action-btn,
.secondary-action-btn { min-height: 36px; padding: 0 12px; border-radius: 10px; font-size: 10.5px; }
.primary-action-btn { background: linear-gradient(135deg,var(--accent),#6189ff); color: #fff; }
.secondary-action-btn { border: 1px solid var(--line); background: var(--surface-2); color: var(--muted); }

.inline-error-card { margin-left: 37px; box-shadow: 0 12px 35px rgba(0,0,0,.14); }

@media (max-width: 620px) {
  .message-attachment.is-image { min-width: min(100%, 340px); grid-template-columns: minmax(132px,44vw) minmax(0,1fr); }
  .message-attachment-preview { width: min(170px,44vw); height: 118px; }
  .message-attachment-preview::after { opacity: 1; transform: none; }
}