:root {
  --bg-app: #0b0d0e;
  --bg-panel: #101315;
  --bg-elevated: #161a1c;
  --bg-hover: #1c2124;
  --border: #20262a;
  --border-strong: #2a3237;
  --border-light: #2a3237;
  --text-primary: #eef1f2;
  --text-secondary: #9aa5aa;
  --text-muted: #5f6b70;
  --accent: #2dd4bf;
  --accent-soft: #0f2e2a;
  --accent-text: #5eead4;
  --fern: #F57F20;
  --danger: #f28b82;
  --font-sans: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --panel: #161a1c;
  --surface: #101315;
  --text: #eef1f2;
  --primary: #F57F20;
  --primary-muted: rgba(245, 127, 32, 0.16);
  --primary-dim: #F57F20;
}

* { box-sizing: border-box; }

/* Standalone fallback; when embedded in V2, .v2-content--agent owns height */
.agent-app {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  background: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  overflow: hidden;
}

.agent-topbar {
  height: 52px; flex: none;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 0 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
}
.agent-brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: 0.2px; text-decoration: none; color: inherit; flex: none; }
.agent-brand .mark {
  width: 22px; height: 22px; border-radius: 6px;
  object-fit: contain; display: block; background: transparent;
}
.agent-top-nav {
  display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0;
  justify-content: center;
}
.agent-top-nav-link {
  font-size: 12px; color: var(--text-muted); text-decoration: none; white-space: nowrap;
}
.agent-top-nav-link:hover { color: var(--text-primary); }
.agent-mode-switch {
  display: inline-flex; align-items: center; gap: 0;
  border: 1px solid var(--border); border-radius: 999px; overflow: hidden;
  margin-left: 4px;
}
.agent-mode-pill {
  font-size: 11px; font-weight: 600; padding: 4px 10px;
  color: var(--text-muted); text-decoration: none; background: transparent;
}
.agent-mode-pill.is-active {
  background: var(--bg-elevated); color: var(--text-primary);
}
a.agent-mode-pill:hover { color: var(--text-primary); }
.agent-top-right { display: flex; align-items: center; gap: 12px; color: var(--text-secondary); flex: none; }
.agent-top-right button {
  background: transparent; border: 0; color: inherit; cursor: pointer; padding: 4px;
  display: inline-flex; align-items: center;
}
.agent-top-right button:hover { color: var(--text-primary); }
.agent-top-right button svg,
.agent-top-icon-link svg { width: 18px; height: 18px; display: block; }
.agent-top-icon-link {
  display: inline-flex; align-items: center; justify-content: center;
  color: inherit; text-decoration: none; padding: 4px;
}
.agent-top-icon-link:hover { color: var(--text-primary); }
.agent-top-new-chat {
  font-size: 12px !important;
  font-weight: 500;
  padding: 5px 10px !important;
  border-radius: 7px !important;
  border: 1px solid var(--border) !important;
  background: var(--bg-elevated) !important;
  color: var(--text-primary) !important;
}
.agent-top-new-chat:hover {
  border-color: var(--border-strong) !important;
  background: var(--bg-hover) !important;
}
.agent-avatar {
  width: 26px; height: 26px; border-radius: 50%; background: #22292c;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--text-secondary); font-weight: 500;
  text-decoration: none;
}
.agent-exit {
  font-size: 12px; color: var(--text-muted); text-decoration: none; margin-right: 4px;
}
@media (max-width: 900px) {
  .agent-top-nav { display: none; }
}

.agent-session-drawer {
  position: absolute; left: 0; top: 0; bottom: 0; width: 280px; z-index: 40;
  background: var(--bg-panel); border-right: 1px solid var(--border);
  transform: translateX(-100%); transition: transform 0.18s ease;
  display: flex; flex-direction: column;
}
.agent-session-drawer.is-open { transform: translateX(0); }
.agent-session-drawer-head {
  padding: 14px 14px 10px; display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--border); font-size: 13px; font-weight: 500;
}
.agent-session-list { flex: 1; overflow-y: auto; padding: 8px; }
.agent-session-item {
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 12px; border-radius: 8px; text-decoration: none;
  color: var(--text-secondary); font-size: 13px; margin-bottom: 4px;
}
.agent-session-item:hover, .agent-session-item.is-active {
  background: var(--bg-elevated); color: var(--text-primary);
}
.agent-session-item.is-filtered-out { display: none; }
.agent-session-new {
  margin: 8px; padding: 10px; border-radius: 8px; border: 1px dashed var(--border-strong);
  background: transparent; color: var(--accent-text); cursor: pointer; font-size: 13px;
  width: calc(100% - 16px);
}
.agent-session-new:hover { background: var(--accent-soft); }
.agent-folder-bar {
  display: flex; gap: 6px; padding: 0 8px 8px; align-items: center;
}
.agent-folder-filter {
  flex: 1; min-width: 0;
  background: var(--bg-elevated); color: var(--text-secondary);
  border: 1px solid var(--border); border-radius: 6px;
  font-size: 11px; padding: 5px 6px; outline: none;
}
.agent-folder-move-btn {
  flex: none; font-size: 11px; padding: 5px 8px; border-radius: 6px;
  border: 1px solid var(--border); background: transparent; color: var(--text-secondary);
  cursor: pointer;
}
.agent-folder-move-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }
.agent-session-folder {
  font-size: 10px; font-family: var(--font-mono); color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.agent-session-title { line-height: 1.35; }

/* Chat left + artifacts right (must be flex — otherwise workspace stacks under chat) */
.agent-main {
  display: flex;
  flex: 1;
  min-height: 0;
  position: relative;
  width: 100%;
  overflow: hidden;
}

.agent-chat-panel {
  width: 520px; flex: none;
  display: flex; flex-direction: column;
  border-right: 1px solid var(--border); background: var(--bg-app);
  min-width: 320px; max-width: min(66vw, 1200px);
  align-self: stretch;
  min-height: 0;
  height: 100%;
}
.agent-chat-header { padding: 12px 16px; border-bottom: 1px solid var(--border); }
.agent-chat-header-row {
  display: flex; align-items: center; gap: 10px; justify-content: space-between;
}
.agent-chat-session-label {
  font-weight: 500; font-size: 13px; min-width: 0; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; flex: 1;
}
.agent-header-btn, .agent-composer-meta-btn {
  font-size: 11px; font-weight: 600; padding: 5px 10px; border-radius: 7px;
  border: 1px solid var(--border); background: var(--bg-elevated);
  color: var(--text-secondary); cursor: pointer; white-space: nowrap; flex: none;
  font-family: var(--font-sans);
}
.agent-header-btn:hover, .agent-composer-meta-btn:hover {
  color: var(--text-primary); border-color: var(--border-strong);
}
.agent-chat-title-row {
  display: flex; align-items: center; gap: 8px; justify-content: space-between;
}
.agent-chat-title {
  font-weight: 500; font-size: 13px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  outline: none; border-radius: 4px; padding: 1px 4px; margin: -1px -4px; flex: 1;
}
.agent-chat-title:focus {
  white-space: normal; overflow: visible;
  background: var(--bg-elevated); border: 1px solid var(--border-strong);
  padding: 2px 6px; margin: -3px -7px;
}
.agent-chat-header-actions {
  display: flex; align-items: center; gap: 8px; flex: none;
}
.agent-save-project-btn {
  font-size: 11px; font-weight: 500; padding: 5px 10px; border-radius: 6px;
  border: 1px solid rgba(245, 127, 32, 0.45);
  background: rgba(245, 127, 32, 0.12); color: var(--fern);
  cursor: pointer; white-space: nowrap;
}
.agent-save-project-btn:hover { background: rgba(245, 127, 32, 0.2); }
.agent-save-project-btn:disabled { opacity: 0.5; cursor: default; }
.agent-project-select {
  max-width: 175px; flex: none;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  padding: 5px 8px;
  outline: none;
}
.agent-project-select:focus { border-color: var(--border-strong); color: var(--text-primary); }
.agent-chat-sub { color: var(--text-muted); font-size: 12px; margin-top: 2px; }

.agent-messages {
  flex: 1; overflow-y: auto; padding: 16px;
  display: flex; flex-direction: column; gap: 16px;
}
.agent-msg { display: flex; gap: 10px; max-width: 100%; }
.agent-msg .bubble {
  padding: 10px 12px; border-radius: 10px; font-size: 13px; line-height: 1.55;
  white-space: pre-wrap; word-break: break-word;
}
.agent-msg.user { justify-content: flex-end; }
.agent-msg.user .bubble {
  background: var(--bg-elevated); border: 1px solid var(--border);
  color: var(--text-primary); border-radius: 10px 10px 2px 10px; max-width: 82%;
}
.agent-msg.agent .avatar-sm {
  width: 22px; height: 22px; border-radius: 6px;
  background: transparent;
  display: flex; align-items: center; justify-content: center;
  flex: none; margin-top: 2px; overflow: hidden;
}
.agent-msg.agent .avatar-sm img {
  width: 100%; height: 100%; object-fit: contain; display: block;
}
.agent-msg.agent .bubble { color: var(--text-secondary); max-width: 88%; }
.agent-msg.agent .bubble strong, .agent-msg.agent .bubble b { color: var(--text-primary); font-weight: 500; }

.agent-pill-ref {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 7px; padding: 5px 9px; font-size: 12px;
  color: var(--text-secondary); margin-top: 8px; font-family: var(--font-mono);
}
.agent-pill-ref i { color: var(--accent-text); font-size: 14px; }

.agent-typing { display: none !important; }
.agent-stop-btn {
  margin-top: 8px; font-size: 11px; padding: 2px 8px; border-radius: 6px;
  border: 1px solid var(--border); background: transparent; color: var(--text-secondary);
  cursor: pointer; display: inline-block;
}
.agent-stop-btn:hover { color: var(--text-primary); border-color: var(--border-strong, var(--border)); }
.agent-msg.is-working .agent-bubble-text { color: var(--text-muted); font-style: italic; }
.agent-msg.is-working .agent-working-dots {
  display: inline-flex; gap: 4px; margin-right: 6px; vertical-align: middle;
}
.agent-msg:not(.is-working) .agent-stop-btn { display: none; }
.agent-msg.is-error .bubble { color: #e8b4b4; }
.agent-retry-btn {
  margin-top: 8px; font-size: 12px; padding: 4px 10px; border-radius: 6px;
  border: 1px solid var(--border); background: transparent; color: var(--accent-text);
  cursor: pointer;
}
.agent-task-list { display: flex; flex-direction: column; gap: 10px; }
.agent-task-row {
  display: grid; grid-template-columns: 110px 1fr; gap: 12px;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px;
}
.agent-task-status {
  font-size: 11px; font-family: var(--font-mono); color: var(--accent-text);
  text-transform: uppercase; letter-spacing: 0.02em;
}
.agent-task-title { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.agent-task-detail { font-size: 12px; color: var(--text-secondary); margin-top: 4px; line-height: 1.45; }
.agent-dot {
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent);
  animation: agent-pulse 1.2s infinite ease-in-out;
}
.agent-dot:nth-child(2) { animation-delay: 0.2s; }
.agent-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes agent-pulse {
  0%, 80%, 100% { opacity: 0.25; }
  40% { opacity: 1; }
}

.agent-composer { border-top: 1px solid var(--border); padding: 14px 16px 16px; }
.agent-composer-box {
  background: var(--bg-elevated); border: 1px solid var(--border-strong);
  border-radius: 12px; padding: 12px 14px;
}
.agent-composer-box textarea {
  width: 100%; background: transparent; border: none; outline: none;
  color: var(--text-primary); font-family: var(--font-sans); font-size: 14px;
  line-height: 1.5; resize: none; min-height: 72px; max-height: 200px;
}
.agent-composer-actions {
  display: flex; justify-content: space-between; align-items: center; margin-top: 10px; gap: 8px;
}
.agent-composer-actions .left { display: flex; gap: 8px; color: var(--text-muted); align-items: center; flex-wrap: wrap; }
.agent-composer-actions .left button,
.agent-composer-actions .left a.agent-composer-icon-btn {
  background: none; border: 0; color: inherit; cursor: pointer; padding: 4px;
  display: inline-flex; align-items: center; text-decoration: none;
  border-radius: 6px;
}
.agent-composer-actions .left a.agent-composer-icon-btn:hover,
.agent-composer-actions .left button:hover:not(:disabled) {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.agent-composer-actions .left svg { width: 16px; height: 16px; display: block; }
.agent-provider-radios {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}
.agent-provider-radio {
  display: inline-flex;
  align-items: center;
  margin: 0;
}
.agent-provider-radio input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.agent-provider-radio-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}
.agent-provider-radio input:checked + .agent-provider-radio-btn {
  background: var(--primary-muted);
  border-color: var(--primary-dim);
  color: var(--text-primary);
}
.agent-provider-radio input:disabled + .agent-provider-radio-btn {
  opacity: 0.55;
  cursor: not-allowed;
}
.agent-provider-radio-btn:hover {
  border-color: var(--border-strong);
}
.agent-msg.streaming .bubble { opacity: 0.9; }
.agent-credit-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px;
  padding: 6px 10px 0; font-size: 11px; color: var(--text-muted);
}
.agent-credit-bar.is-upsell {
  color: var(--text-primary);
  background: rgba(255, 180, 80, 0.08);
  border-radius: 8px;
  padding: 8px 10px;
  margin: 0 8px 4px;
  border: 1px solid rgba(255, 180, 80, 0.25);
}
.agent-credit-bar .agent-credit-bal strong { font-variant-numeric: tabular-nums; color: var(--text-primary); }
.agent-credit-bar .agent-credit-msg { flex: 1; min-width: 120px; line-height: 1.35; }
.agent-credit-bar .agent-credit-buy {
  color: var(--accent); text-decoration: none; font-weight: 600; white-space: nowrap;
}
.agent-credit-bar .agent-credit-buy:hover { text-decoration: underline; }
.agent-send-btn {
  min-height: 32px;
  padding: 0 12px;
  border-radius: 8px;
  border: 0;
  background: var(--fern);
  color: #101419;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  flex: none;
}
.agent-send-btn:hover:not(:disabled) { filter: brightness(1.08); }
.agent-send-btn:focus-visible {
  outline: 2px solid var(--fern);
  outline-offset: 2px;
}
.agent-send-btn:disabled { opacity: 0.4; cursor: not-allowed; filter: none; }
.agent-send-icon { display: block; flex: none; }
.agent-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.agent-resizer {
  width: 5px; flex: none; cursor: col-resize;
  background: transparent; position: relative; z-index: 5;
}
.agent-resizer:hover, .agent-resizer.is-dragging { background: var(--accent-soft); }

.agent-workspace {
  flex: 1; display: flex; flex-direction: column; min-width: 0; background: var(--bg-panel);
}
.agent-tabs {
  display: flex; align-items: center; border-bottom: 1px solid var(--border);
  padding: 0 8px; background: var(--bg-panel); flex: none;
  overflow-x: auto;
}
.agent-tab {
  display: flex; align-items: center; gap: 7px;
  padding: 12px 14px; color: var(--text-secondary); font-size: 13px;
  cursor: pointer; border-bottom: 2px solid transparent; white-space: nowrap;
  background: none; border-top: 0; border-left: 0; border-right: 0;
}
.agent-tab i { font-size: 15px; }
.agent-tab.active { color: var(--text-primary); border-color: var(--accent); }
.agent-tab-spacer { flex: 1; }

.agent-workspace-content { flex: 1; overflow-y: auto; padding: 22px 26px; }
.agent-empty {
  max-width: 420px; margin: 48px auto; text-align: center; color: var(--text-muted);
}
.agent-empty h2 {
  color: var(--text-primary); font-size: 16px; font-weight: 500; margin: 0 0 8px;
}
.agent-empty p { font-size: 13px; line-height: 1.55; margin: 0; }
.agent-empty-hints {
  text-align: left;
  margin: 16px auto 0;
  padding: 0 0 0 18px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: 360px;
}
.agent-empty-hints li { margin: 6px 0; }

.agent-ws-title-row {
  display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px;
}
.agent-ws-title { font-size: 15px; font-weight: 500; }
.agent-ws-sub { color: var(--text-muted); font-size: 12px; }
.agent-badge-live {
  display: inline-flex; align-items: center; gap: 6px; font-size: 11px;
  color: var(--accent-text); background: var(--accent-soft);
  border: 1px solid #1c463f; padding: 4px 9px; border-radius: 20px;
  font-family: var(--font-mono);
}
.agent-badge-live .d {
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}
.agent-card {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px; margin-bottom: 14px;
}
.agent-card-title {
  font-size: 12px; color: var(--text-secondary); margin-bottom: 10px;
}
.agent-ws-actions { margin: -8px 0 16px; }
.agent-ws-link {
  color: var(--accent-text); font-size: 12px; text-decoration: none; font-family: var(--font-mono);
}
.agent-ws-link:hover { text-decoration: underline; }
.agent-ds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.agent-ds-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.agent-ds-card:hover {
  border-color: var(--border-strong);
  background: var(--bg-hover);
}
.agent-ds-card.is-selected {
  border-color: rgba(245, 127, 32, 0.55);
  box-shadow: inset 0 0 0 1px rgba(245, 127, 32, 0.25);
}
.agent-ds-card-title {
  font-size: 13px; font-weight: 500; color: var(--text-primary); margin-bottom: 4px;
  line-height: 1.35;
}
.agent-ds-card-meta {
  font-size: 11px; color: var(--text-muted); font-family: var(--font-mono); margin-bottom: 8px;
}
.agent-ds-card-desc {
  margin: 0; font-size: 12px; color: var(--text-secondary); line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.agent-ds-card-actions {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; align-items: center;
}
.agent-use-in-agent {
  font-size: 11px; font-weight: 500; padding: 5px 10px; border-radius: 6px;
  border: 1px solid rgba(245, 127, 32, 0.5);
  background: rgba(245, 127, 32, 0.14); color: var(--fern);
  cursor: pointer;
}
.agent-use-in-agent:hover { background: rgba(245, 127, 32, 0.22); }
.agent-use-in-agent:disabled { opacity: 0.55; cursor: default; }
.agent-request-data-btn {
  font-size: 11px; font-weight: 500; padding: 5px 10px; border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated); color: var(--text-primary);
  cursor: pointer;
}
.agent-request-data-btn:hover { background: var(--bg-hover); }
.agent-request-data-btn:disabled { opacity: 0.55; cursor: default; }
.agent-ds-card-link {
  font-size: 11px; color: var(--text-muted); text-decoration: none; font-family: var(--font-mono);
}
.agent-ds-card-link:hover { color: var(--accent-text); text-decoration: underline; }
.agent-vars-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 6px;
}
.agent-vars-list li {
  font-size: 11px; font-family: var(--font-mono);
  border: 1px solid var(--border); border-radius: 5px;
  padding: 3px 8px; color: var(--text-secondary);
}
.agent-ds-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.agent-ds-tag {
  font-size: 10px; color: var(--text-muted);
  border: 1px solid var(--border); border-radius: 4px; padding: 2px 6px;
  font-family: var(--font-mono);
}
.agent-confirm-card {
  margin-top: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 10px 12px;
}
.agent-confirm-label { font-size: 12px; color: var(--text-primary); font-weight: 500; }
.agent-confirm-desc { font-size: 11px; color: var(--text-muted); margin-top: 4px; line-height: 1.4; }
.agent-confirm-btns { display: flex; gap: 8px; margin-top: 10px; }
.agent-confirm-yes, .agent-confirm-no {
  font-size: 12px; border-radius: 6px; padding: 5px 10px; cursor: pointer; border: 1px solid var(--border);
}
.agent-confirm-yes {
  background: var(--accent); color: #04211d; border-color: transparent; font-weight: 500;
}
.agent-confirm-no {
  background: transparent; color: var(--text-secondary);
}
.agent-confirm-card.is-done, .agent-confirm-card.is-cancelled { opacity: 0.55; }
.agent-confirm-yes:disabled, .agent-confirm-no:disabled { opacity: 0.5; cursor: not-allowed; }
.agent-report-body {
  margin: 0; white-space: pre-wrap; font-family: var(--font-mono);
  font-size: 11px; color: var(--text-secondary); line-height: 1.5;
  max-height: 360px; overflow: auto;
}

.agent-drawer-backdrop {
  display: none; position: absolute; inset: 0; z-index: 30; background: rgba(0,0,0,0.35);
}
.agent-drawer-backdrop.is-on { display: block; }

.agent-settings-backdrop {
  position: fixed; inset: 0; z-index: 90; background: rgba(0,0,0,0.45);
}
.agent-settings-backdrop[hidden] { display: none !important; }
.agent-settings-panel {
  position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
  z-index: 100; width: min(420px, calc(100vw - 32px));
  max-height: min(90vh, 560px); overflow-y: auto;
  background: var(--bg-elevated, #151a1e); border: 1px solid var(--border);
  border-radius: 12px; padding: 18px 20px 20px;
  box-shadow: 0 18px 48px rgba(0,0,0,0.45);
}
.agent-settings-panel[hidden] { display: none !important; }
.agent-settings-head {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px;
}
.agent-settings-head h2 { margin: 0; font-size: 15px; font-weight: 600; }
.agent-settings-head button {
  background: none; border: 0; color: var(--text-muted); font-size: 22px; cursor: pointer; line-height: 1;
}
.agent-settings-intro {
  margin: 0 0 14px; font-size: 12.5px; color: var(--text-muted); line-height: 1.45;
}
.agent-settings-label {
  display: block; font-size: 11px; font-weight: 500; color: var(--text-secondary);
  margin: 10px 0 4px; text-transform: uppercase; letter-spacing: 0.03em;
}
.agent-settings-input, .agent-settings-textarea {
  width: 100%; box-sizing: border-box;
  background: var(--bg, #0f1316); border: 1px solid var(--border);
  color: var(--text-primary); border-radius: 8px; padding: 8px 10px; font-size: 13px;
  font-family: inherit;
}
.agent-settings-textarea { resize: vertical; min-height: 80px; line-height: 1.45; }
.agent-settings-actions {
  display: flex; align-items: center; gap: 12px; margin-top: 16px;
}
.agent-settings-divider {
  height: 1px;
  margin: 16px 0 12px;
  background: var(--border, rgba(255, 255, 255, 0.08));
}
.agent-settings-intro--tight { margin-top: 0; margin-bottom: 10px; }
.agent-settings-actions--stack {
  flex-wrap: wrap;
  gap: 8px;
}
.agent-settings-secondary {
  font-size: 12px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid var(--border, rgba(255, 255, 255, 0.12));
  background: transparent;
  color: var(--text-secondary, #c8d0d8);
  cursor: pointer;
}
.agent-settings-secondary:hover { border-color: var(--accent, #2dd4bf); color: var(--text, #fff); }
.agent-settings-secondary:disabled { opacity: 0.55; cursor: not-allowed; }
.agent-settings-save {
  background: var(--accent); color: #04211d; border: 0; border-radius: 8px;
  padding: 8px 14px; font-size: 13px; font-weight: 500; cursor: pointer;
}
.agent-settings-save:disabled { opacity: 0.55; cursor: not-allowed; }
.agent-settings-status { font-size: 12px; color: var(--text-muted); }

.agent-credits-body { display: flex; flex-direction: column; gap: 10px; }
.agent-credits-total {
  font-size: 32px; font-weight: 700; color: var(--text-primary); line-height: 1.1;
}
.agent-credits-note { margin: 0; font-size: 12px; color: var(--text-muted); line-height: 1.45; }
.agent-credits-dl {
  margin: 0; display: grid; gap: 8px; font-size: 13px;
}
.agent-credits-dl div {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 8px 0; border-bottom: 1px solid var(--border);
}
.agent-credits-dl dt { margin: 0; color: var(--text-muted); font-weight: 500; }
.agent-credits-dl dd { margin: 0; color: var(--text-primary); font-weight: 600; }
.agent-credits-msg { margin: 0; font-size: 12.5px; color: var(--text-secondary); line-height: 1.45; }
.agent-credits-buy {
  display: inline-flex; align-self: flex-start; margin-top: 4px;
  font-size: 12px; font-weight: 600; color: var(--fern); text-decoration: none;
}
.agent-credits-buy:hover { text-decoration: underline; }
.agent-composer-meta-btn.is-low { border-color: rgba(245, 127, 32, 0.45); color: var(--fern); }

.agent-task-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.agent-task-confirm, .agent-task-cancel {
  font-size: 12px;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid var(--border, rgba(255,255,255,0.12));
  background: transparent;
  color: var(--text-secondary, #c8d0d8);
}
.agent-task-confirm {
  border-color: var(--accent, #2dd4bf);
  color: var(--accent, #2dd4bf);
}
.agent-task-confirm:hover, .agent-task-cancel:hover {
  color: var(--text, #fff);
}
.agent-task-confirm:disabled, .agent-task-cancel:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

@media (max-width: 900px) {
  .agent-chat-panel { width: 100% !important; max-width: none; border-right: 0; }
  .agent-resizer, .agent-workspace { display: none; }
  .agent-workspace.is-mobile-show { display: flex; position: absolute; inset: 0; z-index: 20; }
  .agent-mobile-banner {
    display: block;
    font-size: 12px;
    line-height: 1.45;
    color: var(--text-secondary, #a8b2bc);
    background: rgba(45, 212, 191, 0.08);
    border-bottom: 1px solid var(--border, rgba(255,255,255,0.08));
    padding: 8px 14px;
  }
  .agent-composer-hub-link { display: none; }
  .agent-app { min-height: 100dvh; }
  .agent-main { min-height: 0; flex: 1; }
  .agent-chat-panel {
    display: flex;
    flex-direction: column;
    height: calc(100dvh - 52px - 44px);
  }
  .agent-messages { flex: 1; }
}
.agent-mobile-banner { display: none; }
.agent-file-input { position: absolute; width: 0; height: 0; opacity: 0; pointer-events: none; }

.agent-attach-wrap { position: relative; display: inline-flex; }
.agent-attach-menu {
  position: absolute;
  left: 0;
  bottom: calc(100% + 6px);
  min-width: 200px;
  padding: 6px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated, var(--surface));
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
  z-index: 40;
}
.agent-attach-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--text-primary, var(--text));
  font-size: 12px;
  font-weight: 500;
  padding: 8px 10px;
  border-radius: 7px;
  cursor: pointer;
  font-family: var(--font-sans);
}
.agent-attach-menu-item:hover { background: var(--accent-soft, rgba(245, 127, 32, 0.12)); }
.agent-link-dataset-list {
  max-height: 320px;
  overflow-y: auto;
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.agent-link-dataset-item {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  background: var(--bg-app, var(--bg));
  color: var(--text-primary, var(--text));
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  font-size: 13px;
}
.agent-link-dataset-item:hover { border-color: var(--border-strong, var(--primary)); }
.agent-link-dataset-item small {
  display: block;
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 11px;
}
.agent-plan-progress {
  height: 6px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
  margin: 10px 0 14px;
}
.agent-plan-progress > span {
  display: block;
  height: 100%;
  background: var(--fern, #f57f20);
  width: 0%;
  transition: width 0.25s ease;
}
.agent-step-retry-btn {
  margin-top: 8px;
  font-size: 11px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 7px;
  border: 1px solid rgba(245, 127, 32, 0.45);
  background: rgba(245, 127, 32, 0.12);
  color: var(--fern, #f57f20);
  cursor: pointer;
}