/* Tool activity UI
 * One deliberate visual system for live and persisted tool calls.
 * Keep this file as the single override layer; do not combine it with
 * theme-tools-grouped.css.
 */

/* Modern activity surface: quiet by default, expressive only while active. */
.agent-steps:not(:empty) {
  --tool-accent: #b9a3ff;
  --tool-live: #6ee7a0;
  --tool-error: #fb7185;
  position: relative;
  overflow: hidden;
}
.agent-steps:not(:empty)::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, transparent, rgba(185,163,255,.8), transparent);
  opacity: .7;
}
.agent-tool-step .tool-header {
  min-height: 40px;
  padding: 7px 10px;
  border: 1px solid transparent;
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.agent-tool-step .tool-header:hover { transform: translateX(2px); }
.agent-tool-step.expanded .tool-header,
.agent-tool-step.tool-streaming .tool-header {
  border-color: rgba(185,163,255,.16);
  background: rgba(185,163,255,.06);
}
.agent-tool-step.tool-streaming .tool-header { border-color: rgba(110,231,160,.20); }
.agent-tool-step .tool-name { letter-spacing: -.01em; }
.tool-live-preview {
  min-width: 0;
  max-width: min(42%, 280px);
  overflow: hidden;
  color: #64748b;
  font: 10px/1.3 'JetBrains Mono', 'Fira Code', monospace;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tool-state {
  flex: 0 0 auto;
  padding: 3px 7px;
  border: 1px solid rgba(148,163,184,.18);
  border-radius: 999px;
  color: #94a3b8;
  font-size: 10px;
  line-height: 1;
}
.agent-tool-step.tool-streaming .tool-state {
  border-color: rgba(110,231,160,.3);
  color: #6ee7a0;
  background: rgba(110,231,160,.08);
}
.agent-tool-step[data-state="done"] .tool-state {
  border-color: rgba(110,231,160,.2);
  color: #86efac;
}
.agent-tool-step[data-state="error"] .tool-state {
  border-color: rgba(251,113,133,.3);
  color: #fb7185;
  background: rgba(251,113,133,.08);
}
.agent-tool-step[data-state="error"] .tool-live-preview { color: #fb7185; }
.agent-tool-step .tool-substep-count:empty { display: none; }
.agent-tool-step .tool-detail { animation: tool-detail-in .18s ease-out; }
@keyframes tool-detail-in {
  from { opacity: 0; transform: translateY(-3px); }
  to { opacity: 1; transform: translateY(0); }
}

.agent-steps:not(:empty) {
  margin: 12px 0;
  padding: 8px 10px;
  background: rgba(15, 23, 42, .34);
  border: 1px solid rgba(167, 139, 250, .16);
  border-radius: 14px;
  box-shadow: inset 0 0 18px rgba(167, 139, 250, .025);
}

.agent-tool-step {
  position: relative;
  margin: 2px 0;
  padding: 0;
  border: 0;
  border-radius: 9px;
  background: transparent;
  transition: background .18s ease;
}

.agent-tool-step:hover { background: rgba(167, 139, 250, .07); }

.agent-tool-step .tool-header {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  padding: 8px 9px;
  border-radius: 9px;
  cursor: pointer;
  user-select: none;
}

.agent-tool-step .tool-icon {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  border: 1px solid rgba(167, 139, 250, .28);
  border-radius: 7px;
  background: rgba(167, 139, 250, .12);
  color: #c4b5fd !important;
  font-size: 10px !important;
}

.agent-tool-step .tool-name {
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 13px;
  line-height: 1.4;
  font-weight: 500;
  color: #e2e8f0;
}

.agent-tool-step .tool-time {
  flex: 0 0 auto;
  margin-left: auto;
  color: #64748b;
  font: 11px/1.2 'JetBrains Mono', monospace;
}

.agent-tool-step .tool-chevron {
  flex: 0 0 auto;
  color: #64748b;
  font-size: 10px !important;
  opacity: .7;
  transition: transform .2s ease, color .2s ease;
}

.agent-tool-step:hover .tool-chevron,
.agent-tool-step.expanded .tool-chevron {
  color: #c4b5fd;
  opacity: 1;
}
.agent-tool-step.expanded .tool-chevron { transform: rotate(90deg); }

/* Deliberately no timeline connector: rows are an activity list, not a wizard. */
.agent-tool-step:not(:last-child)::after { content: none !important; }

.agent-tool-step .tool-detail {
  display: none;
  margin: 2px 9px 8px 42px;
  padding: 10px 11px;
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 9px;
  background: rgba(0, 0, 0, .22);
  color: #cbd5e1;
}
.agent-tool-step.expanded .tool-detail { display: block; }

.tool-detail-section { margin: 8px 0; }
.tool-detail-section:first-child { margin-top: 0; }
.tool-detail-section:last-child { margin-bottom: 0; }

.tool-detail-label {
  margin-bottom: 5px;
  color: #a78bfa;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .06em;
}

.tool-detail-content,
.tool-live-output {
  max-height: 200px;
  margin: 0;
  padding: 8px 10px;
  overflow: auto;
  border: 0;
  border-radius: 6px;
  background: rgba(0, 0, 0, .25);
  color: #cbd5e1;
  font: 11px/1.6 'JetBrains Mono', 'Fira Code', monospace;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* Live output grows while a command runs: autoscroll is driven from
   send.js, and the blinking caret marks the text as still arriving. */
.tool-live-output {
  scrollbar-width: thin;
}
.tool-live-output::-webkit-scrollbar { width: 6px; height: 6px; }
.tool-live-output::-webkit-scrollbar-thumb {
  background: rgba(110, 231, 160, .25);
  border-radius: 3px;
}
.agent-tool-step.tool-streaming .tool-live-output:not(:empty) {
  color: #d7e7dd;
  border-left: 2px solid rgba(110, 231, 160, .45);
}

.tool-display-output {
  color: rgba(255, 255, 255, .78);
  font-size: 12px;
  line-height: 1.55;
}
.tool-error-text,
.agent-tool-step.tool-failed .tool-name { color: #f87171 !important; }
.agent-tool-step.tool-failed .tool-icon {
  border-color: rgba(248, 113, 113, .4);
  background: rgba(248, 113, 113, .12);
  color: #f87171 !important;
}

/* The live state is intentionally the only neon effect. */
.agent-tool-step.tool-streaming {
  border-left: 2px solid #6ee7a0;
  background: rgba(110, 231, 160, .045);
  animation: tool-neon-pulse 1.5s ease-in-out infinite alternate;
}
.agent-tool-step.tool-streaming .tool-icon { color: #6ee7a0 !important; }
@keyframes tool-neon-pulse {
  from { box-shadow: 0 0 3px rgba(110, 231, 160, .10); }
  to { box-shadow: 0 0 12px rgba(110, 231, 160, .28); }
}

.tool-substeps {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 220px;
  overflow: auto;
}
.tool-substep {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 6px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .025);
  font-size: 11px;
}
.tool-substep-icon { color: #a78bfa; }
.tool-substep-failed { color: #f87171 !important; }
.tool-substep-name { color: #cbd5e1; font: 11px 'JetBrains Mono', monospace; }
.tool-substep-args { min-width: 0; overflow: hidden; color: #64748b; text-overflow: ellipsis; white-space: nowrap; }
.tool-substep-time { margin-left: auto; color: #475569; font: 10px 'JetBrains Mono', monospace; }

/* Thinking keeps the same quiet activity-list language. */
.agent-thinking-step .thinking-header {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 9px;
  border-radius: 9px;
  cursor: pointer;
}
.agent-thinking-step .thinking-full {
  display: none;
  margin: 2px 9px 8px 42px;
  padding: 10px 11px;
  border: 1px solid rgba(255, 255, 255, .07);
  border-radius: 9px;
  background: rgba(0, 0, 0, .18);
}
.agent-thinking-step.expanded .thinking-full { display: block; }

@media (prefers-reduced-motion: reduce) {
  .agent-tool-step.tool-streaming { animation: none; }
  .agent-tool-step .tool-chevron { transition: none; }
}

@media (max-width: 640px) {
  .agent-steps:not(:empty) { margin: 10px 0; padding: 6px; border-radius: 11px; }
  .agent-tool-step .tool-header { padding: 8px 6px; }
  .agent-tool-step .tool-name { font-size: 12.5px; }
  .agent-tool-step .tool-detail,
  .agent-thinking-step .thinking-full { margin-left: 35px; padding: 9px; }
  .tool-detail-content, .tool-live-output { font-size: 10.5px; }
}

:root:not(.dark) .agent-steps:not(:empty) { background: rgba(248, 250, 252, .88); border-color: rgba(124, 58, 237, .16); }
:root:not(.dark) .agent-tool-step .tool-name { color: #334155; }
:root:not(.dark) .agent-tool-step .tool-detail,
:root:not(.dark) .agent-thinking-step .thinking-full { background: rgba(15, 23, 42, .035); border-color: rgba(15, 23, 42, .1); }

@media (prefers-reduced-motion: reduce) {
  .agent-tool-step .tool-header,
  .agent-tool-step .tool-detail { animation: none; transition: none; }
  .agent-tool-step .tool-header:hover { transform: none; }
}
@media (max-width: 640px) {
  .tool-live-preview { display: none; }
  .tool-state { font-size: 9px; padding-inline: 6px; }
}