/* ============================================================
   ACT Chat — Uses dashboard :root variables from style.css
   ============================================================ */

/* --- Layout --- */
.chat-app-container {
  display: flex;
  width: calc(100% + 48px);
  height: calc(100vh - 73px);
  background-color: var(--bg-primary);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  margin: -32px -24px;
}

/* --- LEFT SIDEBAR --- */
.chat-sidebar {
  width: 250px;
  min-width: 250px;
  background-color: var(--bg-primary);
  padding: 20px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
}

.chat-new-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--accent);
  color: white;
  border: none;
  padding: 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 20px;
  transition: background-color 0.2s, transform 0.1s;
}
.chat-new-btn:hover { opacity: 0.9; transform: translateY(-1px); }

/* Sessions panel — dashboard-style */
.chat-sessions-panel { flex: 1; overflow-y: auto; display: flex; flex-direction: column; min-height: 0; }
.chat-sessions-list { flex: 1; overflow-y: auto; space-y: 1px; }

.chat-filter-input {
  background: var(--bg-primary); border: 1px solid var(--border); border-radius: 8px;
  padding: 5px 10px; font-size: 11px; color: var(--text-primary); outline: none;
  min-width: 0;
}
.chat-filter-input::placeholder { color: var(--text-muted); }
.chat-filter-input:focus { border-color: var(--accent); }

.chat-filter-select {
  background: var(--bg-primary); border: 1px solid var(--border); border-radius: 8px;
  padding: 5px 6px; font-size: 11px; color: var(--text-muted); outline: none;
  cursor: pointer;
}
.chat-filter-select:focus { border-color: var(--accent); }

/* Alert filter chips */
.chat-alert-chip {
  padding: 3px 8px; border-radius: 12px; font-size: 10px; font-weight: 600;
  border: none; cursor: pointer; transition: all 0.15s;
  background: var(--bg-primary); color: var(--text-muted);
  display: inline-flex; align-items: center; gap: 3px;
}
.chat-alert-chip.active { background: var(--bg-tertiary); color: var(--text-primary); }
.chat-chip-dot { display: inline-block; width: 5px; height: 5px; border-radius: 50%; }
.chat-chip-dot.green { background: var(--green); }
.chat-chip-dot.yellow { background: var(--yellow); }
.chat-chip-dot.red { background: var(--red); }

/* Bulk actions bar */
.chat-bulk-bar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-primary); border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 10px; margin-bottom: 6px;
}
.chat-bulk-bar.hidden { display: none; }
.chat-select-check {
  width: 16px; height: 16px; min-width: 16px; border-radius: 50%;
  border: 2px solid var(--border); background: transparent; color: transparent;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: all 0.15s;
}
.chat-select-check.checked { background: var(--accent); border-color: var(--accent); color: white; }
.chat-bulk-delete-btn {
  font-size: 10px; background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.25);
  color: var(--red); padding: 3px 10px; border-radius: 6px; cursor: pointer;
  transition: all 0.15s;
}
.chat-bulk-delete-btn:hover { background: rgba(239,68,68,0.25); }

/* Session row — matches dashboard */
.chat-session-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 6px; border-radius: 8px; cursor: pointer;
  transition: background-color 0.15s; margin-bottom: 1px;
}
.chat-session-row:hover { background-color: rgba(99, 102, 241, 0.05); }
.chat-session-row.active { background-color: rgba(99, 102, 241, 0.08); box-shadow: inset 0 0 0 1px rgba(99,102,241,0.25); }
.chat-session-row .chat-session-check {
  width: 16px; height: 16px; min-width: 16px; border-radius: 50%;
  border: 2px solid var(--border); background: transparent; color: transparent;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  flex-shrink: 0; transition: all 0.15s;
}
.chat-session-row .chat-session-check:hover { border-color: var(--accent); }
.chat-session-row .chat-session-check.checked { background: var(--accent); border-color: var(--accent); color: white; }
.chat-session-row .chat-session-info { min-width: 0; flex: 1; margin-left: 8px; }
.chat-session-row .chat-session-name { color: var(--text-primary); font-size: 12px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; }
.chat-session-row .chat-session-meta { color: var(--text-muted); font-size: 10px; margin-top: 1px; }
.chat-session-row .chat-session-alert {
  padding: 2px 6px; border-radius: 4px; font-size: 9px; font-weight: 700;
  flex-shrink: 0; margin-left: 6px; text-transform: uppercase;
}
.chat-session-row .chat-session-alert.alert-green { background: rgba(34,197,94,0.15); color: var(--green); border: 1px solid rgba(34,197,94,0.2); }
.chat-session-row .chat-session-alert.alert-yellow { background: rgba(234,179,8,0.15); color: var(--yellow); border: 1px solid rgba(234,179,8,0.2); }
.chat-session-row .chat-session-alert.alert-red { background: rgba(239,68,68,0.15); color: var(--red); border: 1px solid rgba(239,68,68,0.2); animation: pulse-red 2s ease-in-out infinite; }
@keyframes pulse-red { 0%,100% { box-shadow: 0 0 0 0 rgba(239,68,68,0); } 50% { box-shadow: 0 0 8px 2px rgba(239,68,68,0.15); } }

/* --- CENTER: Chat Area --- */
.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  min-width: 0;
}

.chat-main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
}
.chat-main-title { font-weight: 600; font-size: 14px; color: var(--text-primary); }
.chat-main-actions button {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 15px; padding: 5px 8px; border-radius: 6px;
  transition: color 0.15s, background-color 0.15s;
}
.chat-main-actions button:hover { color: var(--accent); background-color: var(--bg-tertiary); }
#toggle-act-sidebar { color: var(--accent); }

.chat-messages { flex: 1; overflow-y: auto; padding: 20px 0; }

/* Messages */
.chat-msg { display: flex; margin: 16px 24px; animation: chatFadeIn 0.25s ease-out; }
@keyframes chatFadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.chat-msg-content {
  max-width: 80%; padding: 12px 16px; border-radius: 12px;
  font-size: 14px; line-height: 1.6;
}
.chat-msg.ai { justify-content: flex-start; }
.chat-msg.user { justify-content: flex-end; }
.chat-msg.ai .chat-msg-content { background-color: var(--bg-secondary); color: var(--text-primary); border: 1px solid var(--border); }
.chat-msg.user .chat-msg-content { background-color: var(--accent); color: #fff; }

/* AI message markdown */
.chat-msg.ai .chat-msg-content h1 { font-size: 18px; margin: 12px 0 8px; padding-bottom: 6px; border-bottom: 1px solid var(--border); color: var(--text-primary); }
.chat-msg.ai .chat-msg-content h2 { font-size: 16px; margin: 10px 0 6px; color: var(--text-primary); }
.chat-msg.ai .chat-msg-content h3 { font-size: 14px; margin: 8px 0 4px; color: var(--text-primary); }
.chat-msg.ai .chat-msg-content ul,
.chat-msg.ai .chat-msg-content ol { margin: 8px 0; padding-left: 24px; }
.chat-msg.ai .chat-msg-content li { margin-bottom: 4px; }
.chat-msg.ai .chat-msg-content blockquote { border-left: 3px solid var(--accent); padding: 0 0 0 12px; margin: 10px 0; color: var(--text-muted); }
.chat-msg.ai .chat-msg-content table { border-collapse: collapse; width: 100%; margin: 12px 0; }
.chat-msg.ai .chat-msg-content th,
.chat-msg.ai .chat-msg-content td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; font-size: 13px; }
.chat-msg.ai .chat-msg-content th { background-color: var(--bg-tertiary); font-weight: 600; }
.chat-msg.ai .chat-msg-content a { color: var(--accent); text-decoration: none; }
.chat-msg.ai .chat-msg-content a:hover { text-decoration: underline; }
.chat-msg.ai .chat-msg-content p { margin: 6px 0; }

/* Code blocks */
.chat-msg pre {
  position: relative; background-color: var(--bg-tertiary); border-radius: 8px;
  padding: 12px; padding-top: 35px; overflow-x: auto; margin: 10px 0;
  border: 1px solid var(--border); color: var(--text-primary);
}
.chat-msg code { font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace; font-size: 13px; }
.chat-msg pre code { white-space: pre; line-height: 1.5; }
.chat-msg :not(pre) > code { background-color: rgba(99, 102, 241, 0.1); padding: 2px 5px; border-radius: 4px; color: var(--accent); }

.code-copy-container { position: absolute; top: 8px; right: 8px; z-index: 10; }
.code-copy-button {
  background-color: rgba(255,255,255,0.08); color: var(--text-muted); border: none;
  border-radius: 4px; width: 28px; height: 28px; display: flex;
  align-items: center; justify-content: center; cursor: pointer; transition: all 0.15s;
}
.code-copy-button:hover { background-color: rgba(255,255,255,0.15); color: var(--text-primary); }
.code-copy-button.copied { background-color: var(--green); color: white; }

/* Typing indicator */
.chat-typing-indicator { display: flex; padding: 15px 24px; gap: 4px; }
.chat-typing-dot {
  width: 8px; height: 8px; background-color: var(--accent);
  border-radius: 50%; opacity: 0.6; animation: chatTyping 1.5s infinite;
}
.chat-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.chat-typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes chatTyping { 0% { transform: translateY(0); } 25% { transform: translateY(-5px); } 50% { transform: translateY(0); } }

/* Input area */
.chat-input-area { padding: 14px 24px 18px; border-top: 1px solid var(--border); }
.chat-input-container {
  display: flex; position: relative;
  background-color: var(--bg-secondary);
  border-radius: 10px; overflow: hidden;
  border: 1px solid var(--border);
}
.chat-input-container textarea {
  flex: 1; border: none; background: none;
  padding: 14px; font-size: 14px; resize: none;
  max-height: 150px; color: var(--text-primary); outline: none;
  font-family: inherit;
}
.chat-input-container textarea::placeholder { color: var(--text-muted); }
#send-button {
  background-color: var(--accent); color: white; border: none;
  width: 44px; cursor: pointer; font-size: 15px; transition: opacity 0.15s;
}
#send-button:hover { opacity: 0.85; }
.chat-disclaimer { font-size: 11px; color: var(--text-muted); text-align: center; margin-top: 8px; }

/* Intro message */
.chat-intro {
  text-align: center; max-width: 550px; margin: 40px auto; padding: 30px;
  animation: chatFadeIn 0.4s ease-out;
}
.chat-intro h1 { color: var(--text-primary); font-size: 24px; margin-bottom: 10px; font-weight: 700; }
.chat-intro p { color: var(--text-muted); margin-bottom: 20px; font-size: 14px; }

.chat-no-key {
  display: flex; align-items: center; gap: 8px; justify-content: center;
  background: rgba(239, 68, 68, 0.08); border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px; padding: 10px 16px; margin-bottom: 16px;
  font-size: 13px; color: var(--red);
}
.chat-no-key a { color: var(--accent); text-decoration: underline; }
.chat-no-key.hidden { display: none; }

.chat-suggestions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.chat-suggestion-chip {
  background-color: var(--bg-secondary); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: 20px;
  padding: 8px 16px; font-size: 13px; cursor: pointer; transition: all 0.15s;
}
.chat-suggestion-chip:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

/* (Session options removed — using dashboard-style rows with bulk actions) */

/* ============================================================
   ACT BADGE — Compact badge under each AI response
   ============================================================ */
.act-badge-wrapper { margin-top: 10px; }

.act-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px; border-radius: 20px; font-size: 12px;
  font-weight: 600; cursor: pointer; transition: all 0.15s;
  border: 1px solid var(--border); background: var(--bg-secondary);
  color: var(--text-primary); user-select: none;
}
.act-badge:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.2); transform: translateY(-1px); }

.act-badge .act-badge-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.act-badge .act-badge-dot.green { background: var(--green); box-shadow: 0 0 6px var(--green); }
.act-badge .act-badge-dot.yellow { background: var(--yellow); box-shadow: 0 0 6px var(--yellow); }
.act-badge .act-badge-dot.red { background: var(--red); box-shadow: 0 0 6px var(--red); }

.act-badge .act-badge-alert { text-transform: uppercase; letter-spacing: 0.5px; }
.act-badge .act-badge-separator { color: var(--text-muted); }
.act-badge .act-badge-hri { color: var(--text-muted); }
.act-badge .act-badge-expand { font-size: 10px; color: var(--text-muted); transition: transform 0.2s; }
.act-badge.expanded .act-badge-expand { transform: rotate(180deg); }

/* ACT Expandable Panel */
.act-expand-panel {
  display: none; margin-top: 6px; padding: 14px; border-radius: 10px;
  background: var(--bg-secondary); border: 1px solid var(--border);
  font-size: 13px; color: var(--text-primary); animation: chatFadeIn 0.2s ease-out;
}
.act-expand-panel.visible { display: block; }
.act-expand-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; margin-bottom: 10px; }
.act-expand-metric { display: flex; justify-content: space-between; align-items: center; padding: 4px 0; border-bottom: 1px solid var(--border); }
.act-expand-metric-name { color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.3px; }
.act-expand-metric-value { font-weight: 600; font-variant-numeric: tabular-nums; }
.act-expand-zscores-title,
.act-expand-hri-title { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 6px; margin-top: 8px; }
.act-expand-bar-row { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; font-size: 11px; }
.act-expand-bar-label { width: 70px; flex-shrink: 0; color: var(--text-muted); text-align: right; }
.act-expand-bar-track { flex: 1; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.act-expand-bar-fill { height: 100%; border-radius: 3px; transition: width 0.4s ease; }
.act-expand-bar-fill.positive { background: var(--red); }
.act-expand-bar-fill.negative { background: var(--green); }
.act-expand-bar-value { width: 40px; flex-shrink: 0; font-variant-numeric: tabular-nums; font-weight: 500; }
.act-expand-hri-bar { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.act-expand-hri-bar-label { width: 80px; font-size: 11px; color: var(--text-muted); text-align: right; flex-shrink: 0; }
.act-expand-hri-bar-track { flex: 1; height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; }
.act-expand-hri-bar-fill { height: 100%; border-radius: 4px; transition: width 0.4s ease; }
.act-expand-hri-bar-fill.low { background: var(--green); }
.act-expand-hri-bar-fill.medium { background: var(--yellow); }
.act-expand-hri-bar-fill.high { background: var(--red); }
.act-expand-hri-bar-pct { width: 36px; font-size: 11px; font-weight: 600; flex-shrink: 0; }

/* Loading shimmer */
.act-badge-loading {
  background: linear-gradient(90deg, var(--border) 25%, var(--bg-secondary) 50%, var(--border) 75%);
  background-size: 200% 100%; animation: chatShimmer 1.5s infinite; color: transparent !important;
}
.act-badge-loading * { color: transparent !important; }
@keyframes chatShimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ============================================================
   ACT RIGHT SIDEBAR — Telemetry Dashboard
   ============================================================ */
.act-sidebar {
  width: 320px; min-width: 320px; background-color: var(--bg-primary);
  border-left: 1px solid var(--border); display: none;
  flex-direction: column; overflow-y: auto; overflow-x: hidden;
}
.act-sidebar.visible { display: flex; }

/* Session Info panel — matches dashboard bg-zinc-900/50 card */
.act-session-info-panel {
  margin: 14px; padding: 20px; border-radius: 12px;
  background: rgba(24, 24, 27, 0.5); border: 1px solid #27272a;
  position: sticky; top: 0; z-index: 10;
}
.act-close-btn { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 15px; padding: 4px; border-radius: 4px; }
.act-close-btn:hover { color: var(--text-primary); background: var(--border); }

.act-section { padding: 14px 18px; border-bottom: 1px solid var(--border); }
.act-section-title { font-size: 11px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text-muted); margin-bottom: 10px; font-weight: 600; }

.act-connection-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.act-dot-connected { background: var(--green); box-shadow: 0 0 6px var(--green); }
.act-dot-disconnected { background: var(--text-muted); }

.act-hri-container { display: flex; flex-direction: column; align-items: center; padding: 4px 0; }
#act-hri-gauge { display: block; }
.act-hri-value { font-size: 26px; font-weight: 800; color: var(--text-primary); margin-top: -10px; font-variant-numeric: tabular-nums; }
.act-hri-level { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); margin-top: 2px; }

.act-alert-panel { display: flex; flex-direction: column; gap: 10px; }
.act-alert-badge {
  display: flex; align-items: center; gap: 8px; padding: 10px 14px;
  border-radius: 8px; background: var(--bg-secondary); border: 1px solid var(--border);
}
.act-alert-badge .act-alert-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--text-muted); }
.act-alert-badge.green .act-alert-dot { background: var(--green); box-shadow: 0 0 8px var(--green); }
.act-alert-badge.yellow .act-alert-dot { background: var(--yellow); box-shadow: 0 0 8px var(--yellow); }
.act-alert-badge.red .act-alert-dot { background: var(--red); box-shadow: 0 0 8px var(--red); }
.act-alert-text { font-weight: 700; font-size: 14px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-primary); }

.act-metrics-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.act-metric-box { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; padding: 10px; text-align: center; }
.act-metric-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.act-metric-value { font-size: 20px; font-weight: 700; color: var(--text-primary); font-variant-numeric: tabular-nums; }

.act-chart-container { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 8px; padding: 10px; }
.act-chart-container canvas { width: 100% !important; max-height: 200px; }
.act-timeline-container canvas { max-height: 120px; }

.act-hri-factors { display: flex; flex-direction: column; gap: 8px; }
.act-hri-factor-row { display: flex; align-items: center; gap: 8px; }
.act-hri-factor-label { width: 80px; font-size: 11px; color: var(--text-muted); text-align: right; flex-shrink: 0; }
.act-hri-factor-track { flex: 1; height: 10px; background: var(--border); border-radius: 5px; overflow: hidden; }
.act-hri-factor-fill { height: 100%; border-radius: 5px; transition: width 0.6s ease; }
.act-hri-factor-fill.low { background: var(--green); }
.act-hri-factor-fill.medium { background: var(--yellow); }
.act-hri-factor-fill.high { background: var(--red); }
.act-hri-factor-pct { width: 36px; font-size: 12px; font-weight: 600; color: var(--text-primary); flex-shrink: 0; font-variant-numeric: tabular-nums; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1200px) {
  .act-sidebar { display: none !important; }
  .act-sidebar.visible { display: flex !important; position: absolute; right: 0; top: 0; bottom: 0; z-index: 20; box-shadow: -4px 0 20px rgba(0,0,0,0.4); }
}

@media (max-width: 768px) {
  .chat-sidebar { display: none; }
  .chat-app-container { margin: -32px -24px; width: calc(100% + 48px); }
  .chat-msg-content { max-width: 90%; }
}