/* ============================================================
   Ospaces — Custom Agents
   Full-screen agent hub, builder modal, and chat surface.
   Scoped under .agent-overlay. Reuses the app's CSS variables so
   it inherits light/dark theming automatically.
   ============================================================ */

.agent-overlay {
  position: fixed;
  inset: 0;
  z-index: 1150;
  font-family: var(--font);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
}
.agent-overlay * { box-sizing: border-box; }
.agent-overlay [hidden] { display: none !important; }
.agent-builder-overlay,
.agent-chat-overlay { z-index: 1160; }

.agent-scrim {
  position: absolute;
  inset: 0;
  background: rgba(15, 15, 25, 0.34);
  backdrop-filter: blur(1.5px);
  animation: agent-fade 0.16s ease;
}
html[data-theme="dark"] .agent-scrim { background: rgba(0, 0, 0, 0.55); }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .agent-scrim { background: rgba(0, 0, 0, 0.55); }
}

.agent-overlay.agent-closing { pointer-events: none; }
.agent-overlay.agent-closing .agent-scrim,
.agent-overlay.agent-closing .agent-hub,
.agent-overlay.agent-closing .agent-builder,
.agent-overlay.agent-closing .agent-chat { opacity: 0; transition: opacity 0.16s ease; }

@keyframes agent-fade { from { opacity: 0; } }
@keyframes agent-pop { from { opacity: 0; transform: translateY(8px) scale(0.985); } }
@keyframes agent-msg-in { from { opacity: 0; transform: translateY(6px); } }

/* ============================================================
   Shared controls
   ============================================================ */
.agent-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-ctl);
  font-family: var(--font);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-light);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.agent-btn:hover { background: var(--bg-hover); color: var(--text); }
.agent-btn-primary {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}
.agent-btn-primary:hover { background: var(--accent-hover, var(--accent)); filter: brightness(1.04); }
.agent-btn-danger {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}
.agent-btn-danger:hover { filter: brightness(1.05); }

.agent-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: var(--radius-ctl);
  color: var(--text-light);
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}
.agent-close:hover { background: var(--bg-hover); color: var(--text); }

.agent-input {
  width: 100%;
  padding: 9px 12px;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--bg-input, var(--bg));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-ctl);
  outline: none;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.agent-input::placeholder { color: var(--text-placeholder); }
.agent-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91, 91, 214, 0.2); }
.agent-input.agent-invalid { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(229, 83, 75, 0.2); }

/* ============================================================
   Hub — full-screen takeover
   ============================================================ */
.agent-hub {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  animation: agent-fade 0.18s ease;
}

.agent-hub-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 26px clamp(18px, 5vw, 56px) 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.agent-hub-heading { min-width: 0; }
.agent-hub-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.4px;
  line-height: 1.1;
  margin: 0;
  color: var(--text);
}
.agent-hub-sub {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--text-light);
}
.agent-hub-head-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

.agent-new {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 15px;
  border-radius: var(--radius-ctl);
  font-family: var(--font);
  font-size: 13.5px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: filter 0.12s ease;
}
.agent-new:hover { filter: brightness(1.06); }

.agent-hub-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 24px clamp(18px, 5vw, 56px) 48px;
}

.agent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 16px;
  max-width: 1180px;
  margin: 0 auto;
}

/* ============================================================
   Agent table (hub list view)
   ============================================================ */
.agent-table-wrap {
  max-width: 1080px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-pane);
  background: var(--bg-modal);
  overflow: hidden;
  box-shadow: var(--shadow-card, 0 2px 10px rgba(20, 22, 43, 0.05));
}
.agent-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.agent-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  text-align: left;
  padding: 12px 16px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-faint);
  background: var(--bg-sidebar, var(--bg-callout));
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.agent-th-model, .agent-th-type { width: 1%; }
.agent-th-act { width: 1%; }

.agent-row {
  cursor: pointer;
  transition: background 0.12s ease;
}
.agent-row + .agent-row td { border-top: 1px solid var(--border); }
.agent-row:hover { background: var(--bg-hover); }
.agent-row:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: -2px; }
.agent-table td { padding: 12px 16px; vertical-align: middle; }

.agent-name-wrap { display: flex; align-items: center; gap: 12px; min-width: 0; }
.agent-row-ic {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 10px;
  font-size: 18px; line-height: 1; color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}
.agent-row-name {
  font-family: var(--font-display);
  font-weight: 600; font-size: 14.5px; color: var(--text);
  white-space: nowrap;
}
.agent-cell-desc { max-width: 460px; }
.agent-row-desc {
  display: block;
  color: var(--text-light);
  font-size: 13px; line-height: 1.5;
  overflow: hidden; text-overflow: ellipsis;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.agent-model-pill {
  display: inline-block;
  padding: 3px 9px; border-radius: 999px;
  font-size: 11.5px; font-weight: 500;
  color: var(--text-light);
  background: var(--bg-callout);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.agent-type-badge {
  display: inline-block;
  padding: 3px 9px; border-radius: 999px;
  font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.03em; text-transform: uppercase;
  white-space: nowrap;
}
.agent-type-badge.is-preset { color: var(--text-faint); background: var(--bg-callout); border: 1px solid var(--border); }
.agent-type-badge.is-custom {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}

.agent-cell-act { position: relative; white-space: nowrap; text-align: right; }
.agent-row-chat {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; margin-right: 4px;
  border-radius: var(--radius-ctl);
  font-family: var(--font); font-size: 12.5px; font-weight: 600;
  color: var(--text-light);
  background: var(--bg); border: 1px solid var(--border-strong);
  cursor: pointer; opacity: 0;
  transition: opacity 0.12s ease, background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.agent-row-chat svg { width: 14px; height: 14px; }
.agent-row:hover .agent-row-chat,
.agent-row:focus-within .agent-row-chat { opacity: 1; }
.agent-row-chat:hover { color: #fff; background: var(--accent); border-color: var(--accent); }
.agent-row-menu {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; flex-shrink: 0;
  border-radius: 7px; color: var(--text-faint);
  background: none; border: none; cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}
.agent-row-menu:hover { background: var(--bg-hover); color: var(--text); }
.agent-cell-act .agent-menu { bottom: auto; top: 46px; right: 12px; }

@media (max-width: 720px) {
  .agent-th-desc, .agent-cell-desc,
  .agent-th-model, .agent-cell-model { display: none; }
  .agent-row-chat { opacity: 1; }
}

/* ============================================================
   Agent card
   ============================================================ */
.agent-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  border-radius: var(--radius-pane);
  background: var(--bg-modal);
  border: 1px solid var(--border);
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.14s ease, box-shadow 0.14s ease, border-color 0.14s ease;
}
.agent-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-card, 0 6px 20px rgba(20, 22, 43, 0.1));
}
.agent-card:focus-visible { outline: 2px solid var(--accent-soft); outline-offset: 2px; }

.agent-card-ic {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 14px;
  font-size: 24px;
  line-height: 1;
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}

.agent-card-body { min-width: 0; flex: 1; padding-right: 22px; }
.agent-card-name {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.agent-card-desc {
  margin-top: 5px;
  font-size: 12.75px;
  line-height: 1.5;
  color: var(--text-light);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.agent-card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-faint);
  background: var(--bg-callout);
  border: 1px solid var(--border);
  pointer-events: none;
}

.agent-card-menu {
  position: absolute;
  bottom: 12px;
  right: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  color: var(--text-faint);
  background: none;
  border: none;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.12s ease, background 0.12s ease, color 0.12s ease;
}
.agent-card:hover .agent-card-menu,
.agent-card:focus-within .agent-card-menu,
.agent-card.agent-card-open .agent-card-menu { opacity: 1; }
.agent-card-menu:hover { background: var(--bg-hover); color: var(--text); }

/* card dropdown menu */
.agent-menu {
  position: absolute;
  bottom: 42px;
  right: 10px;
  z-index: 5;
  min-width: 150px;
  padding: 5px;
  background: var(--bg-modal);
  border: 1px solid var(--border);
  border-radius: var(--radius-ctl);
  box-shadow: var(--shadow-popover, 0 10px 30px rgba(20, 22, 43, 0.16));
  animation: agent-fade 0.1s ease;
  cursor: default;
}
.agent-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 7px 10px;
  border-radius: 6px;
  font-family: var(--font);
  font-size: 13px;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
}
.agent-menu-item:hover { background: var(--bg-hover); }
.agent-menu-danger { color: var(--danger); }
.agent-menu-danger:hover { background: rgba(229, 83, 75, 0.1); }

.agent-confirm { padding: 6px 8px 8px; }
.agent-confirm-q { display: block; font-size: 12.5px; color: var(--text-light); margin-bottom: 8px; }
.agent-confirm-btns { display: flex; gap: 6px; }
.agent-confirm-btns .agent-btn { flex: 1; padding: 6px 8px; font-size: 12.5px; }

/* ============================================================
   Builder modal
   ============================================================ */
.agent-builder {
  position: relative;
  width: 560px;
  max-width: calc(100vw - 28px);
  max-height: calc(100vh - 56px);
  display: flex;
  flex-direction: column;
  background: var(--bg-modal);
  border: 1px solid var(--border);
  border-radius: var(--radius-pane);
  box-shadow: var(--shadow-pane);
  overflow: hidden;
  animation: agent-pop 0.16s ease;
}
.agent-builder-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 14px 14px 22px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.agent-builder-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin: 0;
  color: var(--text);
}
.agent-builder-body {
  padding: 20px 22px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.agent-field { display: flex; flex-direction: column; gap: 6px; }
.agent-field-row { flex-direction: row; gap: 12px; }
.agent-field-icon { width: 84px; flex-shrink: 0; }
.agent-field-grow { flex: 1; min-width: 0; }
.agent-icon-input { text-align: center; font-size: 20px; padding: 6px; }

.agent-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-light);
  letter-spacing: 0.01em;
}
.agent-label-hint { font-weight: 400; color: var(--text-faint); }

.agent-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
  font-family: var(--font);
}
.agent-select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23989db6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 34px;
}

.agent-swatches { display: flex; flex-wrap: wrap; gap: 9px; }
.agent-swatch {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid transparent;
  box-shadow: 0 0 0 1px var(--border-strong), inset 0 0 0 1px rgba(255, 255, 255, 0.16);
  cursor: pointer;
  transition: transform 0.1s ease;
}
.agent-swatch:hover { transform: scale(1.1); }
.agent-swatch-on {
  border-color: var(--bg-modal);
  box-shadow: 0 0 0 2px var(--accent), inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.agent-builder-foot {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* ============================================================
   Chat surface
   ============================================================ */
.agent-chat {
  position: relative;
  width: 720px;
  max-width: calc(100vw - 28px);
  height: min(84vh, 780px);
  display: flex;
  flex-direction: column;
  background: var(--bg-modal);
  border: 1px solid var(--border);
  border-radius: var(--radius-pane);
  box-shadow: var(--shadow-pane);
  overflow: hidden;
  animation: agent-pop 0.16s ease;
}

.agent-chat-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 12px 13px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.agent-chat-ic {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 11px;
  font-size: 20px;
  line-height: 1;
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
}
.agent-chat-heading { flex: 1; min-width: 0; }
.agent-chat-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.agent-chat-model {
  font-size: 11.5px;
  color: var(--text-faint);
  margin-top: 1px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.agent-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  font-family: var(--font);
  font-size: 12.25px;
  font-weight: 500;
  color: var(--text-light);
  background: var(--bg);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.agent-toggle:hover { background: var(--bg-hover); color: var(--text); }
.agent-toggle-on {
  color: var(--accent);
  background: var(--bg-callout);
  border-color: var(--accent-soft);
}

/* message list */
.agent-msgs {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg);
}
.agent-msg-row {
  display: flex;
  flex-direction: column;
  max-width: 82%;
  animation: agent-msg-in 0.16s ease;
}
.agent-msg-row.user { align-self: flex-end; align-items: flex-end; }
.agent-msg-row.assistant { align-self: flex-start; align-items: flex-start; }

.agent-msg {
  padding: 10px 14px;
  border-radius: 14px;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  word-break: break-word;
  overflow-wrap: anywhere;
}
.agent-msg.user {
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 5px;
}
.agent-msg.assistant {
  background: var(--bg-callout);
  border: 1px solid var(--border);
  border-bottom-left-radius: 5px;
}
.agent-msg.agent-error { color: var(--danger); background: rgba(229, 83, 75, 0.08); border-color: rgba(229, 83, 75, 0.3); }
.agent-msg strong { font-weight: 650; }
.agent-msg .agent-code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 1px 5px;
  border-radius: 5px;
  background: var(--bg-code, var(--bg-hover));
}
.agent-msg.user .agent-code { background: rgba(255, 255, 255, 0.2); }
.agent-msg .agent-pre {
  margin: 8px 0 2px;
  padding: 10px 12px;
  border-radius: var(--radius-ctl);
  background: var(--bg-code, var(--bg));
  border: 1px solid var(--border);
  overflow-x: auto;
}
.agent-msg .agent-pre code { font-family: var(--font-mono); font-size: 12.5px; line-height: 1.5; white-space: pre; }
.agent-msg.user .agent-pre { background: rgba(0, 0, 0, 0.18); border-color: rgba(255, 255, 255, 0.18); }

.agent-msg.agent-streaming::after {
  content: "▋";
  color: var(--accent);
  animation: agent-blink 1s steps(2) infinite;
  margin-left: 1px;
}
@keyframes agent-blink { 50% { opacity: 0; } }

.agent-msg-actions { margin-top: 6px; display: flex; gap: 6px; }
.agent-insert {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 7px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-light);
  background: var(--bg);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}
.agent-insert:hover { background: var(--bg-hover); color: var(--accent); border-color: var(--accent-soft); }

/* composer */
.agent-composer {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 14px 14px;
  border-top: 1px solid var(--border);
  background: var(--bg-modal);
  flex-shrink: 0;
}
.agent-composer-input {
  flex: 1;
  min-width: 0;
  resize: none;
  max-height: 160px;
  padding: 10px 12px;
  line-height: 1.45;
}
.agent-send,
.agent-stop {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-ctl);
  cursor: pointer;
  border: none;
}
.agent-send { width: 40px; color: #fff; background: var(--accent); }
.agent-send:hover { filter: brightness(1.06); }
.agent-send:disabled { opacity: 0.5; cursor: default; }
.agent-stop {
  padding: 0 14px;
  color: var(--danger);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
}
.agent-stop:hover { background: var(--bg-hover); }

/* ============================================================
   Dark-theme tweaks (variables flip automatically; these are extras)
   ============================================================ */
html[data-theme="dark"] .agent-card-ic,
html[data-theme="dark"] .agent-chat-ic { box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.25); }
html[data-theme="dark"] .agent-msg.user .agent-pre { background: rgba(0, 0, 0, 0.3); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
  .agent-grid { grid-template-columns: 1fr; }
  .agent-hub-head { padding: 20px 18px 16px; flex-wrap: wrap; }
  .agent-hub-title { font-size: 23px; }
  .agent-chat {
    width: 100vw;
    height: 100vh;
    max-width: 100vw;
    border: none;
    border-radius: 0;
  }
  .agent-msg-row { max-width: 90%; }
  .agent-builder { border-radius: var(--radius-pane) var(--radius-pane) 0 0; }
}
@media (max-width: 400px) {
  .agent-field-row { flex-wrap: wrap; }
  .agent-field-icon { width: 100%; }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .agent-scrim,
  .agent-hub,
  .agent-builder,
  .agent-chat,
  .agent-msg-row,
  .agent-menu { animation: none !important; }
  .agent-card { transition: none; }
  .agent-card:hover { transform: none; }
  .agent-msg.agent-streaming::after { animation: none; }
}

/* ============================== agentic actions (tool use) ============================== */
.agent-actions-log { display: flex; flex-direction: column; gap: 6px; margin-bottom: 4px; }
.agent-tool-chip {
  display: inline-flex; align-items: center; gap: 8px; align-self: flex-start;
  font-size: 12.5px; color: var(--text-light);
  background: var(--bg-callout); border: 1px solid var(--border);
  border-radius: 999px; padding: 4px 12px 4px 10px; max-width: 100%;
}
.agent-tool-ic { display: inline-flex; color: var(--accent); flex: none; }
.agent-tool-txt { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.agent-tool-chip.done { color: var(--text); border-color: color-mix(in srgb, #0f9d58 40%, var(--border)); }
.agent-tool-chip.done .agent-tool-ic { color: #0f9d58; }
.agent-tool-state { display: inline-flex; color: #0f9d58; flex: none; }
.agent-tool-chip.running .agent-tool-state {
  width: 12px; height: 12px; border-radius: 50%;
  border: 2px solid var(--border-strong); border-top-color: var(--accent);
  animation: agent-spin 0.7s linear infinite;
}
@keyframes agent-spin { to { transform: rotate(360deg); } }

.agent-thinking {
  font-size: 12.5px; color: var(--text-faint); margin-top: 2px;
  animation: agent-pulse 1.3s ease-in-out infinite;
}
@keyframes agent-pulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }
.agent-final { margin-top: 4px; }
.agent-final:empty { display: none; }

/* the ⚡ Actions toggle reads as "on" by default */
.agent-toggle-act.agent-toggle-on { border-color: var(--accent); color: var(--accent); }