/* p2p-agents React UI — web-agent theme (cosmic violet + glass).
   Design tokens live here (:root light, [data-theme="dark"] override).
   Light = clean lavender-white web-agent; dark = cosmic violet glass
   (radial glows + translucent surfaces + violet glow accents).
   First paint: index.html sets data-theme from storage else
   prefers-color-scheme; the :root:not([data-theme]) fallback below covers
   the no-JS / pre-script case. */
:root {
  color-scheme: light;
  --bg: #f6f3ff;
  --bg-glow:
    radial-gradient(900px 420px at 50% -8%, rgba(168, 85, 247, 0.22) 0%, transparent 65%),
    radial-gradient(800px 420px at 108% 108%, rgba(124, 58, 237, 0.12) 0%, transparent 60%),
    radial-gradient(700px 380px at -8% 100%, rgba(34, 211, 238, 0.1) 0%, transparent 60%);
  --panel: rgba(255, 255, 255, 0.82);
  --panel-2: #f8f5ff;
  --ink: #1a1a2e;
  --muted: #6b7280;
  --accent: #7c3aed;
  --accent-strong: #6d28d9;
  --accent-ink: #ffffff;
  --accent-2: #0891b2;
  --grad: linear-gradient(135deg, #a855f7 0%, #7c3aed 55%, #6d28d9 100%);
  --grad-bright: linear-gradient(90deg, #a855f7, #22d3ee);
  --border: #e8e0f0;
  --tool-bg: #f5f0ff;
  --danger: #e11d48;
  --radius: 16px;
  --radius-lg: 20px;
  --glass-blur: blur(22px) saturate(160%);
  --shadow: 0 1px 2px rgba(90, 40, 180, 0.07), 0 8px 24px rgba(90, 40, 180, 0.08);
  --shadow-lift: 0 2px 6px rgba(90, 40, 180, 0.1), 0 16px 40px rgba(124, 58, 237, 0.18);
  --focus: #7c3aed;
}
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a0612;
  --bg-glow:
    radial-gradient(ellipse 80% 55% at 50% -10%, rgba(168, 85, 247, 0.55) 0%, rgba(168, 85, 247, 0) 65%),
    radial-gradient(ellipse 70% 55% at 110% 110%, rgba(120, 50, 220, 0.5) 0%, rgba(120, 50, 220, 0) 60%),
    radial-gradient(ellipse 60% 45% at -10% 100%, rgba(70, 20, 160, 0.45) 0%, rgba(70, 20, 160, 0) 60%),
    linear-gradient(180deg, #1a0a32 0%, #0a0612 55%, #050309 100%);
  --panel: rgba(30, 18, 60, 0.45);
  --panel-2: rgba(20, 12, 42, 0.55);
  --ink: #ece6ff;
  --muted: #948aba;
  --accent: #a855f7;
  --accent-strong: #b478ff;
  --accent-ink: #ffffff;
  --accent-2: #22d3ee;
  --grad: linear-gradient(135deg, #a855f7 0%, #7c3aed 60%, #6d28d9 100%);
  --grad-bright: linear-gradient(90deg, #b478ff, #22d3ee);
  --border: rgba(180, 140, 255, 0.16);
  --tool-bg: rgba(80, 50, 140, 0.28);
  --danger: #fb7185;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 8px 28px rgba(0, 0, 0, 0.4);
  --shadow-lift: 0 4px 10px rgba(0, 0, 0, 0.5), 0 8px 28px -6px rgba(168, 85, 247, 0.6);
  --focus: #b478ff;
}
/* No-JS / pre-script fallback: follow the OS when no explicit theme set. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    color-scheme: dark;
    --bg: #0a0612;
    --bg-glow:
      radial-gradient(ellipse 80% 55% at 50% -10%, rgba(168, 85, 247, 0.55) 0%, rgba(168, 85, 247, 0) 65%),
      radial-gradient(ellipse 70% 55% at 110% 110%, rgba(120, 50, 220, 0.5) 0%, rgba(120, 50, 220, 0) 60%),
      radial-gradient(ellipse 60% 45% at -10% 100%, rgba(70, 20, 160, 0.45) 0%, rgba(70, 20, 160, 0) 60%),
      linear-gradient(180deg, #1a0a32 0%, #0a0612 55%, #050309 100%);
    --panel: rgba(30, 18, 60, 0.45);
    --panel-2: rgba(20, 12, 42, 0.55);
    --ink: #ece6ff;
    --muted: #948aba;
    --accent: #a855f7;
    --accent-strong: #b478ff;
    --accent-ink: #ffffff;
    --accent-2: #22d3ee;
    --grad: linear-gradient(135deg, #a855f7 0%, #7c3aed 60%, #6d28d9 100%);
    --grad-bright: linear-gradient(90deg, #b478ff, #22d3ee);
    --border: rgba(180, 140, 255, 0.16);
    --tool-bg: rgba(80, 50, 140, 0.28);
    --danger: #fb7185;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 8px 28px rgba(0, 0, 0, 0.4);
    --shadow-lift: 0 4px 10px rgba(0, 0, 0, 0.5), 0 8px 28px -6px rgba(168, 85, 247, 0.6);
    --focus: #b478ff;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  background-color: var(--bg);
  background-image: var(--bg-glow);
  background-attachment: fixed;
  color: var(--ink);
  letter-spacing: -0.006em;
}
::selection {
  background: color-mix(in srgb, var(--accent) 28%, transparent);
}
/* Visible keyboard focus everywhere (best-practice a11y). */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
/* Skip link: hidden until focused. */
.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 100;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: 12px;
}
code {
  font-family: ui-monospace, monospace;
  font-size: 0.9em;
}
.muted {
  color: var(--muted);
}
.small {
  font-size: 13px;
}
.error-text {
  color: var(--danger);
}

/* shell */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
/* Icon button (sidebar toggle). */
.icon-btn {
  background: none;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--ink);
  font-size: 17px;
  line-height: 1;
  padding: 6px 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.icon-btn:hover {
  border-color: var(--border);
  background: var(--bg);
}
.icon-btn-sm {
  padding: 4px 6px;
  border-radius: 6px;
}
/* Inline SVG alignment everywhere. */
.btn svg,
.icon-btn svg,
.chip svg,
.retry-btn svg,
.jump-latest svg,
.tab svg {
  flex: none;
  vertical-align: -3px;
}
/* Text + icon combos inside buttons. */
.btn-icon-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
/* Circular icon buttons (send/stop, small actions). */
.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-icon-sm {
  width: auto;
  height: auto;
  padding: 4px 6px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}
.btn-icon-sm:hover:not(:disabled) {
  color: var(--ink);
}
.logo {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 8px;
}
.topbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.tabs {
  display: flex;
  gap: 4px;
  padding: 8px 20px 0;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.tab {
  border: 1px solid transparent;
  border-bottom: 0;
  background: none;
  color: var(--muted);
  padding: 8px 16px;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  font-size: 14px;
}
.tab.active {
  background: var(--bg);
  color: var(--ink);
  border-color: var(--border);
}
.layout {
  flex: 1;
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  overflow: hidden;
  min-height: 0;
}
.chat-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}
/* Constrain the reading column for comfortable line lengths. */
.messages-wrap,
.composer,
.chat-col > .toast,
.chat-col > .custom-note {
  width: 100%;
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}
.tools-col {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 32px;
  min-height: 0;
}
.tools-col > * {
  width: 100%;
  max-width: 1080px;
  margin-inline: auto;
}
.statusbar {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 6px 20px;
  background: var(--panel);
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}
.dot-ok {
  background: #22c55e;
}
.dot-bad {
  background: var(--danger);
}

/* sidebar */
.sidebar {
  width: 300px;
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  min-height: 0;
}
/* Desktop: drawer wrapper is transparent. Mobile: it becomes an overlay. */
.sidebar-drawer {
  display: contents;
}
.sidebar-backdrop {
  display: none;
}
.sidebar-tools {
  list-style: none;
  margin: 8px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sidebar-tools li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stats {
  display: flex;
  gap: 12px;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}
.stat-value {
  font-size: 22px;
  font-weight: 700;
}
.stat-label {
  font-size: 12px;
  color: var(--muted);
}

/* generic components */
.btn {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}
.btn:hover:not(:disabled) {
  border-color: var(--accent);
}
.btn:disabled {
  opacity: 0.5;
  cursor: default;
}
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}
.btn-danger {
  border-color: var(--danger);
  color: var(--danger);
}
.btn-ghost {
  background: transparent;
}
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
}
.badge-accent {
  background: var(--tool-bg);
  border-color: var(--accent);
  color: var(--ink);
}
.badge-ok {
  background: #dcfce7;
  border-color: #22c55e;
  color: #166534;
}
.badge-warn {
  background: #fef3c7;
  border-color: #f59e0b;
  color: #92400e;
}
[data-theme="dark"] .badge-ok {
  background: rgba(34, 197, 94, 0.15);
  border-color: #22c55e;
  color: #86efac;
}
[data-theme="dark"] .badge-warn {
  background: rgba(245, 158, 11, 0.15);
  border-color: #f59e0b;
  color: #fcd34d;
}
.avatar {
  width: 32px;
  height: 32px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 13px;
  border: 1px solid var(--border);
  background: var(--panel);
}
.avatar-user {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}
.avatar-bot {
  background: #111827;
  color: #fff;
}
[data-theme="dark"] .avatar-bot {
  background: #e8eaed;
  color: #111;
}
.avatar-tool {
  background: var(--tool-bg);
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.card-head h3 {
  margin: 0;
  font-size: 14px;
}
.card-body {
  margin-top: 8px;
  font-size: 14px;
}
.card-body p {
  margin: 6px 0;
}
.collapsible {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 8px;
}
.collapsible-toggle {
  width: 100%;
  display: flex;
  gap: 8px;
  align-items: center;
  background: none;
  border: 0;
  color: var(--ink);
  padding: 8px 10px;
  cursor: pointer;
  font-size: 13px;
}
.collapsible-body {
  padding: 0 10px 10px;
}
.empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--muted);
}
.empty-icon {
  font-size: 40px;
}
.empty h2 {
  color: var(--ink);
}
.typing {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  padding: 8px 4px;
}
.dots {
  display: inline-flex;
  gap: 4px;
}
.dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  animation: blink 1s infinite;
}
.dots i:nth-child(2) {
  animation-delay: 0.2s;
}
.dots i:nth-child(3) {
  animation-delay: 0.4s;
}
@keyframes blink {
  50% {
    opacity: 0.25;
  }
}
.toast {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  background: #fee2e2;
  color: #7f1d1d;
  border: 1px solid #fca5a5;
  padding: 8px 12px;
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 14px;
  box-shadow: var(--shadow);
  animation: toast-in 0.18s ease-out;
}
@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
}
[data-theme="dark"] .toast {
  background: #3f1d1d;
  color: #fecaca;
}
.toast button {
  background: none;
  border: 0;
  cursor: pointer;
  font-size: 14px;
}
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: grid;
  place-items: center;
  z-index: 50;
  padding: 16px;
}
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  max-width: 520px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  animation: modal-in 0.16s ease-out;
}
@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
}
.modal-wide {
  max-width: 720px;
}
.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.modal-head h3 {
  margin: 0;
}
.modal-body {
  padding: 16px;
}
.schema,
.tool-output {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  overflow-x: auto;
  font-size: 12.5px;
  white-space: pre-wrap;
}

/* chat */
.messages-wrap {
  position: relative;
  flex: 1;
  display: flex;
  min-height: 0;
}
.messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 4px 2px 8px;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
/* "Jump to latest" pill: appears only when the user scrolled up. */
.jump-latest {
  position: absolute;
  left: 50%;
  bottom: 12px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow);
}
.jump-latest:hover {
  border-color: var(--accent);
}
/* Day dividers break long histories into scannable chunks. */
.day-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 4px 0;
}
.day-divider::before,
.day-divider::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--border);
}
.msg {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.bubble {
  max-width: 720px;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.bubble p {
  margin: 0 0 4px;
  white-space: pre-wrap;
}
.bubble time {
  font-size: 11px;
  color: var(--muted);
}
.bubble-user {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}
.bubble-user time {
  color: inherit;
  opacity: 0.75;
}
.msg-user {
  justify-content: flex-end;
  flex-direction: row-reverse;
}
.bubble-tool {
  background: var(--tool-bg);
  flex: 1;
}
.tool-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.bubble-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
}
.bubble-foot .btn {
  padding: 2px 8px;
  font-size: 12px;
}
/* discrete retry button on user cards */
.retry-btn {
  background: none;
  border: 0;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  border-radius: 6px;
  opacity: 0.6;
  color: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.retry-btn:hover:not(:disabled) {
  opacity: 1;
  background: rgba(0, 0, 0, 0.12);
}
.retry-btn:disabled {
  cursor: default;
  opacity: 0.3;
}
/* turn + thinking + tool call cards */
.toolcall-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}
.toolcall {
  border: 1px solid var(--border);
  border-left-width: 4px;
  border-radius: 8px;
  padding: 8px 10px;
  background: var(--bg);
}
.toolcall-ok {
  border-left-color: #22c55e;
}
.toolcall-err {
  border-left-color: var(--danger);
}
.toolcall-run {
  border-left-color: var(--accent);
}
.toolcall-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.toolcall-head .btn {
  margin-left: auto;
  padding: 2px 8px;
  font-size: 12px;
}
.thinking {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  font-size: 13px;
  white-space: pre-wrap;
  max-height: 260px;
  overflow-y: auto;
  font-style: italic;
}
/* memory panel */
.memory-search {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font-size: 13px;
  margin: 8px 0;
}
.memory-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 320px;
  overflow-y: auto;
}
.memory-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 13px;
}
.memory-item-head {
  display: flex;
  align-items: center;
  gap: 6px;
}
.memory-item-head code {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.memory-item-head .btn {
  padding: 2px 6px;
  font-size: 12px;
}
.memory-item p {
  margin: 4px 0 0;
  color: var(--muted);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.memory-item time {
  font-size: 11px;
  color: var(--muted);
}
.memory-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.memory-actions .btn {
  padding: 4px 10px;
  font-size: 13px;
}
.composer {
  display: flex;
  gap: 10px;
  padding-top: 12px;
  align-items: flex-end;
}
.composer textarea {
  flex: 1;
  resize: none;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  font-size: 15px;
  line-height: 1.55;
  background: var(--panel);
  color: var(--ink);
  font-family: inherit;
  box-shadow: var(--shadow);
}
.composer-side {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  padding-bottom: 2px;
}
/* Circular gradient send button. */
.send-btn {
  width: 44px;
  height: 44px;
}
.send-btn:disabled {
  opacity: 0.45;
  box-shadow: none;
  filter: none;
}
.send-btn svg {
  margin-left: 2px;
}
.count {
  font-size: 12px;
  color: var(--muted);
}
.count-warn {
  color: var(--danger);
}
.chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
}
.chip {
  border: 1px solid var(--accent);
  background: var(--tool-bg);
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
}
.chip:hover {
  background: var(--accent);
  color: var(--accent-ink);
}
.chips-left {
  justify-content: flex-start;
  margin-top: 8px;
}

/* tools tab */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
}
.param-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .layout:not(.wa-body) {
    flex-direction: column;
    overflow-y: auto;
  }
  /* web-agent body keeps its row: drawers are fixed overlays here. */
  .wa-body {
    flex-direction: row;
    overflow: hidden;
    padding: 12px;
    gap: 12px;
  }
  /* Mobile: side panel becomes an overlay drawer. */
  .sidebar-drawer {
    display: block;
  }
  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 40;
  }
  .sidebar-drawer .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    width: min(340px, 88vw);
    z-index: 41;
    background: var(--panel);
    padding: 16px;
    box-shadow: var(--shadow);
    overflow-y: auto;
  }
  /* Right inspector slides from the right; left workspace from the left. */
  .drawer-right .sidebar {
    right: 0;
    border-left: 1px solid var(--border);
  }
  .drawer-left .sidebar {
    left: 0;
    border-right: 1px solid var(--border);
  }
  .hide-sm {
    display: none;
  }
}

/* builder */
.builder-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.builder-toolbar h2 {
  margin: 0 0 4px;
}
.builder-toolbar p {
  margin: 0;
  max-width: 560px;
}
.toolbar-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.form-grid .span2 {
  grid-column: span 2;
}
.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
}
.form-grid label .muted {
  font-weight: 400;
}
.form-grid input,
.form-grid select,
.form-grid textarea,
.tools-col textarea,
.collapsible-body textarea {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: var(--bg);
  color: var(--ink);
  font-family: inherit;
  width: 100%;
}
.form-grid textarea,
.tools-col textarea {
  font-family: ui-monospace, monospace;
  font-size: 13px;
}
.row-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin: 8px 0;
}
.kv-row {
  display: grid;
  grid-template-columns: 1fr 2fr auto;
  gap: 8px;
  margin-bottom: 8px;
}
.var-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.problems {
  list-style: none;
  padding: 8px 12px;
  background: #fef3c7;
  border: 1px solid #f59e0b;
  border-radius: 8px;
  font-size: 13px;
  color: #78350f;
}
[data-theme="dark"] .problems {
  background: #3a2c10;
  color: #fde68a;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}
.card-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.switch {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  font-size: 13px;
  cursor: pointer;
}
.toast-info {
  background: var(--tool-bg);
  color: var(--ink);
  border-color: var(--accent);
}
.custom-note {
  margin: 0 0 8px;
}

/* ---------- UX polish ---------- */

/* Rendered markdown inside assistant turns. */
.md > *:first-child {
  margin-top: 0;
}
.md > *:last-child {
  margin-bottom: 0;
}
.md p {
  margin: 0 0 8px;
  white-space: pre-wrap;
}
.md h2,
.md h3,
.md h4 {
  margin: 12px 0 6px;
  line-height: 1.35;
}
.md h2 {
  font-size: 17px;
}
.md h3 {
  font-size: 16px;
}
.md h4 {
  font-size: 15px;
}
.md ul,
.md ol {
  margin: 0 0 8px;
  padding-left: 22px;
}
.md li {
  margin: 2px 0;
}
.md li::marker {
  color: var(--accent);
}
.md blockquote {
  margin: 0 0 8px;
  padding: 6px 12px;
  border-left: 3px solid var(--accent);
  background: var(--bg);
  border-radius: 0 8px 8px 0;
  color: var(--ink);
}
.md blockquote p {
  margin: 0;
}
.md a {
  color: var(--accent);
  text-underline-offset: 2px;
}
.md code {
  font-family: ui-monospace, monospace;
  font-size: 0.86em;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 5px;
}
.md hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 12px 0;
}
.md-code {
  position: relative;
  margin: 0 0 8px;
}
.md-code pre {
  margin: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  overflow-x: auto;
  font-size: 13px;
}
.md-code pre code {
  background: none;
  border: 0;
  padding: 0;
}
.md-code-lang {
  position: absolute;
  top: 8px;
  left: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.md-code-copy {
  position: absolute;
  top: 6px;
  right: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 12px;
  padding: 2px 8px;
  cursor: pointer;
}
.md-code-copy:hover {
  color: var(--ink);
  border-color: var(--accent);
}

/* Sticky composer: input stays visible while history scrolls. */
.composer {
  position: sticky;
  bottom: 0;
  background: var(--bg);
  padding-bottom: 4px;
  flex-wrap: wrap;
}
.composer-hint {
  flex-basis: 100%;
  font-size: 12px;
  text-align: right;
}

/* Empty state: centered column with breathing room. */
.empty {
  max-width: 560px;
  margin: auto;
}

/* Respect users who prefer reduced motion. */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 640px) {
  .layout {
    padding: 12px;
    gap: 12px;
  }
  .topbar {
    padding: 8px 12px;
  }
  .tabs {
    padding: 8px 12px 0;
    overflow-x: auto;
  }
  .composer-hint {
    display: none;
  }
  .bubble {
    max-width: 100%;
  }
  .msg {
    gap: 8px;
  }
  .avatar {
    width: 28px;
    height: 28px;
  }
  /* Tables become stacked cards on narrow screens. */
  .profiles-table thead {
    display: none;
  }
  .profiles-table,
  .profiles-table tbody,
  .profiles-table tr,
  .profiles-table td {
    display: block;
    width: 100%;
  }
  .profiles-table tr {
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 10px;
    background: var(--panel);
  }
  .profiles-table td {
    border-bottom: 0;
    padding: 6px 12px;
  }
  .profiles-table td::before {
    content: attr(data-label);
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
  }
  .profiles-table td:last-child {
    padding-bottom: 12px;
  }
}

/* ---------- modern edgy layer (overrides) ---------- */

/* Gradient hairline across the top of the app. */
.app::before {
  content: "";
  display: block;
  height: 3px;
  background: var(--grad-bright);
}

/* Glassy header. */
.topbar {
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.logo {
  background: var(--grad);
  color: #fff;
  border-radius: 10px;
  font-weight: 800;
  box-shadow: 0 2px 10px rgba(124, 58, 237, 0.45);
}
.brand strong {
  letter-spacing: -0.02em;
  font-size: 16px;
}

/* Tabs: gradient active indicator. */
.tab {
  position: relative;
  font-weight: 600;
  border-radius: 10px 10px 0 0;
  transition: color 0.15s ease, background 0.15s ease;
}
.tab:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.tab.active {
  background: transparent;
  border-color: transparent;
}
.tab.active::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: -1px;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--grad-bright);
}

/* Buttons: gradient primary, glowing hover. */
.btn {
  border-radius: 10px;
  font-weight: 600;
  transition: transform 0.08s ease, box-shadow 0.15s ease, border-color 0.15s
    ease;
}
.btn:active:not(:disabled) {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 2px 12px rgba(124, 58, 237, 0.4);
}
.btn-primary:hover:not(:disabled) {
  border-color: transparent;
  box-shadow: 0 4px 18px rgba(124, 58, 237, 0.55);
  filter: brightness(1.07);
}
.btn-danger:hover:not(:disabled) {
  border-color: var(--danger);
  background: color-mix(in srgb, var(--danger) 10%, transparent);
}

/* User bubbles carry the brand gradient. */
.bubble-user {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
  border-top-right-radius: 4px;
}
.bubble-user time {
  color: rgba(255, 255, 255, 0.8);
}
.msg-assistant .bubble {
  border-top-left-radius: 4px;
  background: var(--panel);
}
.retry-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.22);
}

/* Avatars with presence rings. */
.avatar {
  box-shadow: var(--shadow);
}
.avatar-bot {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
}
.avatar-tool {
  background: var(--tool-bg);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}

/* Badges: tinted, semibold. */
.badge {
  font-weight: 600;
  letter-spacing: 0.01em;
}
.badge-accent {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  color: var(--ink);
}

/* Cards lift on hover in grids. */
.tool-grid .card,
.builder-toolbar + .tool-grid .card {
  transition: transform 0.12s ease, box-shadow 0.15s ease;
}
.tool-grid .card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

/* Tool calls: glowing rails. */
.toolcall-ok {
  border-left-color: #22c55e;
  box-shadow: inset 0 0 18px rgba(34, 197, 94, 0.06);
}
.toolcall-err {
  box-shadow: inset 0 0 18px rgba(225, 29, 72, 0.07);
}
.toolcall-run {
  border-left-color: var(--accent-strong);
}

/* Chips with gradient hover. */
.chip {
  font-weight: 600;
  transition: transform 0.08s ease, box-shadow 0.15s ease, background 0.15s
    ease;
}
.chip:hover {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 2px 12px rgba(124, 58, 237, 0.4);
}
.chip:active {
  transform: translateY(1px);
}

/* Composer: glowing focus + elevated bar. */
.composer textarea {
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.composer textarea:focus {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent),
    var(--shadow);
}

/* Markdown links pop. */
.md a {
  font-weight: 600;
}

/* Empty state icon glow. */
.empty-icon {
  filter: drop-shadow(0 4px 14px rgba(124, 58, 237, 0.45));
}
.empty h2 {
  letter-spacing: -0.02em;
}

/* Status dot glow. */
.dot-ok {
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.9);
}
.dot-bad {
  box-shadow: 0 0 8px color-mix(in srgb, var(--danger) 80%, transparent);
}

/* Slim scrollbars. */
.messages::-webkit-scrollbar,
.sidebar::-webkit-scrollbar,
.tools-col::-webkit-scrollbar,
.memory-list::-webkit-scrollbar,
.ws-tree::-webkit-scrollbar {
  width: 8px;
}
.messages::-webkit-scrollbar-thumb,
.sidebar::-webkit-scrollbar-thumb,
.tools-col::-webkit-scrollbar-thumb,
.memory-list::-webkit-scrollbar-thumb,
.ws-tree::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--accent) 30%, var(--border));
  border-radius: 8px;
}

/* Collapsible chevron accent. */
.chev {
  color: var(--accent-strong);
  font-weight: 700;
}

/* Screen-reader-only text. */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Password input with visibility toggle. */
.pw-wrap {
  position: relative;
  display: block;
}
.pw-wrap input {
  width: 100%;
  padding-right: 40px;
}
.pw-toggle {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
}

/* Inline run error with recovery actions (preferred over toast-only). */
.inline-error {
  border: 1px solid color-mix(in srgb, var(--danger) 55%, var(--border));
  border-left-width: 4px;
  background: var(--panel);
  border-radius: 12px;
  padding: 12px 14px;
  box-shadow: var(--shadow);
}
.inline-error p {
  margin: 4px 0 0;
  font-size: 14px;
  white-space: pre-wrap;
}
.inline-error-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

/* Saved configuration profiles. */
.profile-save {
  display: flex;
  gap: 8px;
  margin: 10px 0 4px;
}
.profile-save input {
  flex: 1;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  background: var(--bg);
  color: var(--ink);
  font-family: inherit;
  min-width: 0;
}
.table-scroll {
  overflow-x: auto;
  margin: 8px -4px 0;
  padding: 0 4px;
}
.profiles-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.profiles-table th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 8px 10px;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  background: var(--panel);
  z-index: 1;
}
.profiles-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.profiles-table tbody tr:hover {
  background: color-mix(in srgb, var(--accent) 5%, transparent);
}
.profiles-table tr.row-active {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.profiles-table td code {
  overflow-wrap: anywhere;
}
.row-actions {
  display: flex;
  gap: 6px;
  align-items: center;
  white-space: nowrap;
}
.row-actions .btn {
  padding: 4px 10px;
  font-size: 13px;
}

/* ---------- workspace left panel (mirrors right sidebar) ---------- */
.sidebar-left {
  order: -1;
}
.ws-head-actions {
  display: flex;
  gap: 6px;
}
.ws-head-actions .btn {
  padding: 4px 10px;
  font-size: 13px;
}
.ws-list {
  max-height: 380px;
}
.ws-editor-content {
  font-family: ui-monospace, monospace;
  font-size: 13px;
  min-height: 220px;
  white-space: pre;
}

/* ---------- workspace tree view ---------- */
.ws-toolbar {
  display: flex;
  gap: 6px;
  margin: 8px 0 4px;
}
.ws-toolbar .btn {
  padding: 2px 8px;
  font-size: 12px;
}
.ws-tree,
.ws-children {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
}
.ws-tree {
  max-height: 380px;
  overflow-y: auto;
}
.ws-children {
  margin-left: 10px;
  padding-left: 10px;
  border-left: 1px solid var(--border);
}
.ws-node {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 4px;
  border-radius: 8px;
  font-size: 13px;
}
.ws-node:hover {
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}
.ws-toggle {
  background: none;
  border: 0;
  padding: 2px 4px;
  border-radius: 6px;
  cursor: pointer;
  line-height: 1;
}
.ws-spacer {
  width: 22px;
  flex: none;
}
.ws-name {
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--ink);
  font-family: ui-monospace, monospace;
  font-size: 12.5px;
  padding: 2px 4px;
  border-radius: 6px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
}
.ws-name:hover {
  text-decoration: underline;
}
.ws-count {
  font-size: 12px;
}
.ws-source {
  font-size: 12px;
}
.ws-node .ws-actions {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.ws-node .ws-actions .btn {
  padding: 2px 6px;
  font-size: 12px;
}
/* Row actions stay always visible (no hover-reveal) for touch + keyboard
   users; keyboard focus uses the global :focus-visible outline. */
@media (max-width: 1300px) {
  /* Both panels open squeeze the chat column; let sidebars shrink first. */
  .sidebar {
    width: 280px;
  }
}

/* ================= web-agent Web App layer =================
   Layout: left nav (glass) + main column (topbar + chat + composer) +
   right inspector (glass). Hero empty-state with prompt gallery cards.
   Violet gradient primary, glass surfaces,
   rounded 16-20px cards, pill composer. */
.wa-app {
  display: flex;
  flex-direction: row;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  min-height: 0;
}
.wa-app::before {
  content: none;
  display: none;
}
/* Left nav */
.wa-nav {
  width: 288px;
  flex: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 14px 14px;
  border-right: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  overflow-y: auto;
  min-height: 0;
  max-height: 100%;
}
[data-theme="dark"] .wa-nav {
  background: rgba(18, 10, 38, 0.45);
}
.wa-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 6px 8px;
}
.wa-orb {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--grad);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 8px 28px -6px rgba(168, 85, 247, 0.6), inset 0 1px 0 rgba(255,
    255, 255, 0.25);
}
.wa-brand strong {
  display: block;
  font-size: 16px;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.wa-brand small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}
.wa-newchat {
  width: 100%;
  border: 0;
  border-radius: 12px;
  padding: 11px 14px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--grad);
  cursor: pointer;
  box-shadow: 0 8px 28px -6px rgba(168, 85, 247, 0.6), inset 0 1px 0 rgba(255,
    255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.wa-newchat:hover {
  filter: brightness(1.07);
}
.wa-search {
  width: 100%;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--ink);
  font-size: 13.5px;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.wa-search::placeholder {
  color: var(--muted);
}
.wa-search:focus {
  outline: none;
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
.wa-section {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 8px 8px 2px;
}
.wa-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.wa-link {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  border-radius: 10px;
  padding: 9px 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}
.wa-link:hover {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--ink);
}
.wa-link.active {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--ink);
}
[data-theme="dark"] .wa-link.active {
  background: rgba(168, 85, 247, 0.22);
}
.wa-link .count {
  margin-left: auto;
  font-size: 11.5px;
  font-weight: 700;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px;
  color: var(--muted);
  flex: none;
}
.wa-recent-empty {
  padding: 0 10px;
  font-size: 12.5px;
}
.wa-recent {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.wa-recent button {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  padding: 7px 10px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: inherit;
}
.wa-recent button:hover {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--ink);
}
.wa-nav-foot {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.wa-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
}
.wa-user .avatar {
  width: 30px;
  height: 30px;
  font-size: 12px;
}
.wa-user b {
  display: block;
  font-size: 13px;
  line-height: 1.2;
}
.wa-user span {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.wa-foot-row {
  display: flex;
  gap: 6px;
}
.wa-foot-row .btn,
.wa-foot-row .icon-btn {
  flex: 1;
  min-width: 0;
  padding: 8px 6px;
  font-size: 13px;
  justify-content: center;
}
/* Main column */
.wa-main {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: 100%;
}
.wa-topbar {
  flex: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 72%, transparent);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  z-index: 20;
}
.wa-menu-btn {
  display: none;
}
.wa-model {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13.5px;
  font-weight: 700;
  white-space: nowrap;
}
.wa-model .dot {
  width: 8px;
  height: 8px;
}
.wa-topbar-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
  flex: none;
}
.wa-body {
  flex: 1 1 auto;
  display: flex;
  gap: 16px;
  padding: 16px 20px;
  overflow: hidden;
  min-height: 0;
  min-width: 0;
}
/* Chat column owns its vertical space: notes on top, scroll region in the
   middle, composer pinned at the bottom. */
.wa-body .chat-col {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}
.wa-body .messages-wrap {
  flex: 1 1 auto;
  min-height: 0;
}
/* Empty-state hero fills the scroll region and scrolls internally when
   the viewport is short, so the orb + cards never clip behind panels. */
.chat-col > .wa-hero {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
}
/* Hero empty state */
.wa-hero {
  max-width: 760px;
  margin: auto;
  text-align: center;
  padding: 24px 16px;
  width: 100%;
}
.wa-hero-orb {
  width: 60px;
  height: 60px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  font-size: 26px;
  color: #fff;
  border-radius: 20px;
  background: var(--grad);
  box-shadow: 0 12px 40px -6px rgba(168, 85, 247, 0.65), inset 0 1px 0 rgba(255,
    255, 255, 0.3);
}
.wa-hero h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 3.4vw, 30px);
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.wa-hero h2 span {
  background: var(--grad-bright);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.wa-hero p {
  margin: 0 auto 18px;
  color: var(--muted);
  max-width: 540px;
  font-size: 14px;
  line-height: 1.55;
}
.wa-hero .chips {
  margin-top: 14px;
}
.wa-prompts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  text-align: left;
}
.wa-prompt {
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius);
  padding: 12px 13px;
  cursor: pointer;
  font-family: inherit;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 650;
  line-height: 1.4;
  box-shadow: var(--shadow);
  transition: transform 0.12s ease, box-shadow 0.15s ease, border-color 0.15s
    ease;
  min-width: 0;
}
.wa-prompt:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}
.wa-prompt small {
  font-weight: 400;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.wa-prompt .pi {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  font-size: 15px;
  flex: none;
}
/* Composer pill */
.wa-composer {
  flex: none;
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  padding: 10px 10px 8px;
}
[data-theme="dark"] .wa-composer {
  border-color: rgba(180, 140, 255, 0.22);
  box-shadow: 0 8px 28px -6px rgba(168, 85, 247, 0.5), inset 0 1px 0 rgba(255,
    255, 255, 0.06);
}
.wa-composer textarea {
  display: block;
  width: 100%;
  border: 0 !important;
  box-shadow: none !important;
  background: transparent !important;
  border-radius: 0 !important;
  padding: 8px 10px !important;
  min-height: 44px;
}
.wa-composer textarea:focus {
  box-shadow: none !important;
}
.wa-composer-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 4px 0;
}
.wa-composer-bar .count {
  flex: none;
}
.wa-composer-bar select {
  max-width: 220px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12.5px;
  font-family: inherit;
}
/* Bucket export row tucked under the send bar. */
.wa-bucket-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  width: 100%;
  margin-top: 8px;
  padding: 8px 4px 0;
  border-top: 1px dashed var(--border);
}
.wa-bucket-row select {
  flex: 1 1 180px;
  min-width: 0;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12.5px;
  font-family: inherit;
}
.wa-send {
  margin-left: auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 0;
  background: var(--grad);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 8px 24px -6px rgba(168, 85, 247, 0.7);
}
.wa-send:disabled {
  opacity: 0.45;
  box-shadow: none;
  cursor: default;
}
.wa-send:not(:disabled):hover {
  filter: brightness(1.08);
}
/* Glass cards + inspector */
[data-theme="dark"] .card,
[data-theme="dark"] .bubble-assistant,
[data-theme="dark"] .toolcall,
[data-theme="dark"] .wa-prompt,
[data-theme="dark"] .wa-user {
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}
.card {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.bubble {
  border-radius: var(--radius);
}
.bubble-assistant {
  border-top-left-radius: 6px;
}
.topbar {
  display: none;
}
.tabs {
  display: none;
}
.wa-backdrop {
  display: none;
}
@media (max-width: 1100px) {
  .wa-nav {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 41;
    width: min(320px, 86vw);
    max-height: none;
    box-shadow: var(--shadow-lift);
    transform: translateX(-105%);
    transition: transform 0.2s ease;
  }
  .wa-nav.open {
    transform: none;
  }
  .wa-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 40;
  }
  .wa-menu-btn {
    display: inline-flex;
  }
}
@media (max-width: 1400px) {
  .wa-prompts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .wa-prompts {
    grid-template-columns: 1fr;
  }
  .wa-hero {
    padding: 16px 8px;
  }
  .wa-hero h2 {
    font-size: 24px;
  }
  .wa-body {
    padding: 12px;
    gap: 12px;
  }
  .wa-topbar {
    padding: 10px 12px;
    gap: 8px;
  }
  .wa-model {
    font-size: 12.5px;
    padding: 5px 10px;
  }
}