/* === Event Stream === */
.event-stream {
  flex: 1;
  overflow-y: auto;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  scroll-behavior: smooth;
}

/* === Message Bubbles — Anthropic / Claude === */
.msg-row {
  display: flex;
  max-width: 82%;
  animation: msgIn 0.3s ease-out;
}

@keyframes msgIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.msg-row.user { align-self: flex-end; }
.msg-row.assistant { align-self: flex-start; }
.msg-row.tool { align-self: flex-start; max-width: 95%; }
.msg-row.system { align-self: center; }
.msg-row.result { align-self: center; }

.msg-bubble {
  padding: 12px 18px;
  border-radius: 18px;
  font-size: 0.92rem;
  line-height: 1.6;
  word-break: break-word;
  white-space: pre-wrap;
}

.msg-row.user .msg-bubble {
  background: var(--accent);
  color: var(--text-light);
  border-bottom-right-radius: 6px;
  box-shadow: 0 2px 8px rgba(217, 119, 87, 0.2);
}

.msg-row.assistant .msg-bubble {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  border-bottom-left-radius: 6px;
  box-shadow: var(--shadow-sm);
}

.msg-row.system .msg-bubble {
  background: transparent;
  color: var(--text-muted);
  font-size: 0.82rem;
  text-align: center;
  padding: 4px 12px;
}

.msg-row.result .msg-bubble {
  background: var(--green-bg);
  color: var(--green);
  font-size: 0.85rem;
  text-align: center;
  padding: 6px 16px;
  border-radius: 18px;
  font-weight: 500;
}

/* === Tool Cards — Anthropic === */
.tool-card {
  background: var(--bg-tool-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  width: 100%;
  transition: border-color var(--transition-fast);
}
.tool-card:hover { border-color: var(--accent); }

.tool-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  letter-spacing: -0.005em;
}
.tool-card-header:hover { color: var(--text-primary); }

.tool-card-header .tool-icon {
  color: var(--accent);
  font-size: 0.7rem;
  transition: transform var(--transition-fast);
}
.tool-card-header:hover .tool-icon { transform: rotate(90deg); }

.tool-card-body {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  background: var(--bg-card);
  border-radius: var(--radius-xs);
  padding: 12px 14px;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 240px;
  overflow-y: auto;
  border: 1px solid var(--border-light);
}
.tool-card-body.collapsed { display: none; }

/* === Permission Prompt — Anthropic === */
.permission-prompt {
  background: var(--bg-permission);
  border: 1px solid #F0D9A8;
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-top: 8px;
  max-width: 95%;
  align-self: flex-start;
  box-shadow: var(--shadow);
}
.permission-prompt .perm-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 10px;
  color: var(--orange);
  display: flex;
  align-items: center;
  gap: 6px;
}
.permission-prompt .perm-tool {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: var(--bg-card);
  padding: 10px 14px;
  border-radius: var(--radius-xs);
  margin-bottom: 14px;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 160px;
  overflow-y: auto;
  border: 1px solid var(--border-light);
}
.permission-prompt .perm-actions { display: flex; gap: 10px; }
.permission-prompt .perm-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.5;
}
.permission-prompt .perm-tool-name {
  font-size: 0.82rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

/* === AskUserQuestion Panel === */
.ask-panel {
  background: var(--bg-card);
  border: 1.5px solid var(--accent);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-top: 8px;
  max-width: 95%;
  align-self: flex-start;
  box-shadow: 0 2px 12px rgba(217, 119, 87, 0.15);
}
.ask-panel .ask-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.ask-question {
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
}
.ask-question:last-of-type { border-bottom: none; margin-bottom: 12px; }
.ask-question-text {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.5;
}
.ask-header {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.ask-options { display: flex; flex-direction: column; gap: 6px; }
.ask-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  font-size: 0.88rem;
  color: var(--text-primary);
}
.ask-option:hover {
  border-color: var(--accent);
  background: rgba(217, 119, 87, 0.04);
}
.ask-option.selected {
  border-color: var(--accent);
  background: rgba(217, 119, 87, 0.1);
  box-shadow: 0 0 0 1px var(--accent);
}
.ask-option-label { font-weight: 500; }
.ask-option-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}
.ask-other-row {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}
.ask-other-input {
  flex: 1;
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  font-size: 0.85rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}
.ask-other-input:focus { border-color: var(--accent); }
.ask-other-btn {
  padding: 8px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}
.ask-other-btn:hover { border-color: var(--accent); }
.ask-actions { display: flex; gap: 10px; margin-top: 8px; }
.ask-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1.5px solid var(--border);
  margin-bottom: 14px;
}
.ask-tab {
  padding: 8px 16px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -1.5px;
  transition: all var(--transition-fast);
}
.ask-tab:hover { color: var(--text-primary); }
.ask-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.ask-tab-page { display: none; }
.ask-tab-page.active { display: block; }
.ask-tab-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}
.ask-progress {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* === ExitPlanMode Panel === */
.plan-panel {
  background: var(--bg-card);
  border: 1.5px solid #7C6FA0;
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-top: 8px;
  max-width: 95%;
  align-self: flex-start;
  box-shadow: 0 2px 12px rgba(124, 111, 160, 0.18);
}
.plan-panel .plan-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 12px;
  color: #7C6FA0;
}
.plan-panel .plan-content {
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 16px;
  max-height: 320px;
  overflow-y: auto;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-primary);
}
.plan-panel .plan-content pre {
  background: var(--bg-tool-card);
  padding: 10px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 6px 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.plan-panel .plan-content code {
  background: var(--bg-tool-card);
  padding: 2px 5px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.85em;
}
.plan-panel .plan-content strong { font-weight: 600; }
.plan-options { display: flex; flex-direction: column; gap: 6px; }
.plan-option {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  font-size: 0.88rem;
  color: var(--text-primary);
  gap: 10px;
}
.plan-option:hover {
  border-color: #7C6FA0;
  background: rgba(124, 111, 160, 0.04);
}
.plan-option.selected {
  border-color: #7C6FA0;
  background: rgba(124, 111, 160, 0.1);
  box-shadow: 0 0 0 1px #7C6FA0;
}
.plan-option-label { font-weight: 500; }
.plan-option-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}
.plan-feedback-area {
  margin-top: 10px;
  display: none;
}
.plan-feedback-area.visible { display: block; }
.plan-feedback-input {
  width: 100%;
  min-height: 60px;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  font-size: 0.85rem;
  color: var(--text-primary);
  outline: none;
  resize: vertical;
  font-family: inherit;
  transition: border-color var(--transition-fast);
}
.plan-feedback-input:focus { border-color: #7C6FA0; }
.plan-actions { display: flex; gap: 10px; margin-top: 12px; }
.plan-actions .btn-plan-submit {
  background: #7C6FA0;
  color: var(--text-light);
  border: none;
  border-radius: var(--radius-sm);
  padding: 9px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.plan-actions .btn-plan-submit:hover { background: #6B5E90; }
.plan-actions .btn-plan-submit:disabled { opacity: 0.5; cursor: not-allowed; }

/* === Timestamps === */
.event-time { font-size: 0.7rem; color: var(--text-muted); margin-top: 4px; }

/* === Loading Indicator — TUI star spinner === */
.msg-row.loading-row {
  align-self: flex-start;
  max-width: 82%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 4px;
  animation: msgIn 0.3s ease-out;
}
.tui-spinner {
  font-size: 1.2rem;
  color: var(--accent);
  line-height: 1;
  min-width: 1.2em;
  transition: color 2s ease;
}
.stalled .tui-spinner { color: var(--red); }
.tui-verb {
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 2s ease;
}
.stalled .tui-verb { color: var(--red); }

/* Glimmer — reverse sweep highlight (same visual as TUI) */
.glimmer-text {
  background: linear-gradient(
    90deg,
    var(--text-secondary) 0%,
    var(--text-secondary) 40%,
    var(--accent) 50%,
    var(--text-secondary) 60%,
    var(--text-secondary) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glimmerSweep 3s ease-in-out infinite;
}
@keyframes glimmerSweep {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}
.stalled .glimmer-text {
  background: linear-gradient(
    90deg,
    var(--red) 0%,
    var(--red) 40%,
    #E06060 50%,
    var(--red) 60%,
    var(--red) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tui-timer {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-left: auto;
}