/* ── Themes ─────────────────────────────────────────────────────────────── */
:root {
  --bg:        #0d1117;
  --bg2:       #161b22;
  --bg3:       #21262d;
  --border:    #30363d;
  --text:      #c9d1d9;
  --text-dim:  #8b949e;
  --accent:    #00ff88;
  --accent2:   #00ccff;
  --danger:    #ff4444;
  --warn:      #e5c07b;
  --online:    #00ff88;
  --offline:   #555;
  --font-mono: 'Courier New', Courier, monospace;
  --font-ui:   'Segoe UI', system-ui, sans-serif;
  --radius:    6px;
  --sidebar-w: 240px;
  --term-bg:   #0a0c0f;
  --term-text: #abb2bf;
  --term-cmd:  #56b6c2;
}
[data-theme="modern"] {
  --bg:        #0f172a;
  --bg2:       #1e293b;
  --bg3:       #334155;
  --border:    #475569;
  --text:      #e2e8f0;
  --text-dim:  #94a3b8;
  --accent:    #38bdf8;
  --accent2:   #a78bfa;
  --online:    #4ade80;
  --offline:   #64748b;
  --term-cmd:  #7dd3fc;
}
[data-theme="light"] {
  --bg:        #f8fafc;
  --bg2:       #ffffff;
  --bg3:       #f1f5f9;
  --border:    #e2e8f0;
  --text:      #1e293b;
  --text-dim:  #64748b;
  --accent:    #0369a1;
  --accent2:   #7c3aed;
  --online:    #16a34a;
  --offline:   #94a3b8;
  --danger:    #dc2626;
  --term-bg:   #1e293b;
  --term-text: #cbd5e1;
  --term-cmd:  #7dd3fc;
}

/* ── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 14px;
  height: 100vh;
  display: flex;
  overflow: hidden;
}

/* ── Layout ─────────────────────────────────────────────────────────────── */
#layout { display: flex; width: 100%; overflow: hidden; }

/* ── Sidebar: Conversas (coluna 1, estreita) ─────────────────────────── */
#sidebar-convs {
  width: 195px;
  min-width: 195px;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

#sidebar-logo {
  padding: 14px 14px 6px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: bold;
  letter-spacing: 2px;
  color: var(--accent);
  flex-shrink: 0;
}
#sidebar-logo span { color: var(--accent2); }

#sidebar-new-wrap { padding: 6px 10px 10px; flex-shrink: 0; }
#sidebar-new-btn {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  padding: 7px 10px;
  border-radius: var(--radius);
  text-align: left;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background .15s;
}
#sidebar-new-btn:hover { background: var(--border); }

#sidebar-convs-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 0 6px 8px;
  min-height: 0;
}

.sidebar-group-label {
  padding: 5px 8px 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-dim);
  opacity: .7;
}

/* ── Sidebar: Equipamentos (coluna 2, colapsável) ─────────────────────── */
#sidebar-equip {
  width: 265px;
  min-width: 265px;
  background: var(--bg1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
  transition: width .22s ease, min-width .22s ease, opacity .18s ease;
}
#sidebar-equip.equip-collapsed {
  width: 0;
  min-width: 0;
  opacity: 0;
  pointer-events: none;
  border-right: none;
}

#sidebar-equip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 10px 6px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}
.equip-count {
  font-size: 10px;
  color: var(--text-dim);
  opacity: .5;
  font-family: var(--font-mono);
}

#sidebar-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 6px 8px;
}

/* Toggle button for equipment column */
#sidebar-equip-toggle {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 15px;
  padding: 2px 5px;
  border-radius: 4px;
  line-height: 1;
  transition: color .15s;
  flex-shrink: 0;
}
#sidebar-equip-toggle:hover { color: var(--text); }
.sidebar-footer-btns { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }

.device-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  cursor: pointer;
  border-radius: 7px;
  color: var(--text-dim);
  background: var(--bg2);
  border: 1px solid var(--border);
  text-align: left;
  transition: all .18s;
  margin-bottom: 4px;
}
.device-item:hover { background: var(--bg3); color: var(--text); border-color: var(--accent-dim, #444); }

/* Usuário selecionou este device como contexto */
.device-item.selected {
  background: rgba(0,255,136,.06);
  color: var(--accent);
  border-color: rgba(0,255,136,.35);
  box-shadow: 0 0 0 1px rgba(0,255,136,.12);
}
[data-theme="modern"] .device-item.selected { background: rgba(56,189,248,.07); border-color: rgba(56,189,248,.4); box-shadow: 0 0 0 1px rgba(56,189,248,.15); }
[data-theme="light"]  .device-item.selected { background: rgba(3,105,161,.06);  border-color: rgba(3,105,161,.4);  box-shadow: 0 0 0 1px rgba(3,105,161,.12); }

/* IA está acessando este device agora — card aceso verde */
.device-item.device-accessing {
  background: rgba(0,220,100,.08);
  color: #00dc64;
  border-color: rgba(0,220,100,.5);
  box-shadow: 0 0 8px rgba(0,220,100,.2), 0 0 0 1px rgba(0,220,100,.2);
  animation: card-glow 2s ease-in-out infinite;
}
@keyframes card-glow {
  0%,100% { box-shadow: 0 0 6px rgba(0,220,100,.2), 0 0 0 1px rgba(0,220,100,.2); }
  50%      { box-shadow: 0 0 14px rgba(0,220,100,.4), 0 0 0 1px rgba(0,220,100,.35); }
}
[data-theme="light"] .device-item.device-accessing { background: rgba(0,150,80,.06); color: #006040; border-color: rgba(0,150,80,.4); }

/* Dot de status */
.device-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
  flex-shrink: 0;
  opacity: .3;
  transition: all .2s;
}
.device-item.selected         .device-dot { background: var(--accent); opacity: 1; }
.device-item.device-accessing .device-dot { background: #00dc64; opacity: 1; }
.device-dot-pulse { animation: dev-pulse .9s ease-in-out infinite; }
@keyframes dev-pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.2;transform:scale(.4)} }

/* Device card inner layout: info block (name+meta) + vendor badge */
.device-info   { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.device-name   { font-size: 11px; font-weight: 500; white-space: nowrap;
                 overflow: hidden; text-overflow: ellipsis; color: inherit; }
.device-meta   { font-size: 10px; color: var(--text-dim); opacity: .55;
                 white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
                 font-family: var(--font-mono); }
.device-item.device-accessing .device-meta { opacity: .4; }

.device-vendor { font-size: 9px; background: var(--bg3); padding: 2px 5px; border-radius: 3px;
                 flex-shrink: 0; opacity: .65; letter-spacing: .05em; align-self: flex-start; }
.device-item.device-accessing .device-vendor { display: none; }

.device-scan-label{ font-size: 10px; color: #00dc64; flex-shrink: 0; font-weight: 600;
                    align-self: flex-start;
                    animation: scan-fade 1.2s ease-in-out infinite; }
@keyframes scan-fade { 0%,100%{opacity:1} 50%{opacity:.4} }

.thread-item {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 6px 8px;
  cursor: pointer;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-dim);
  background: none;
  border: none;
  text-align: left;
  transition: all .1s;
}
.thread-item:hover { background: var(--bg3); color: var(--text); }
.thread-item.active { background: var(--bg3); color: var(--text); }
.thread-icon { font-size: 11px; flex-shrink: 0; opacity: .4; }
.thread-title { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

#sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 7px 8px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 4px;
}
#api-status { display: flex; align-items: center; gap: 4px; font-size: 10px; color: var(--text-dim); flex: 1; min-width: 0; overflow: hidden; }
#api-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--offline); flex-shrink: 0; }
#api-dot.ok { background: var(--online); }
#api-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#theme-switcher { display: flex; gap: 3px; flex-shrink: 0; }
.theme-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 3px 7px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  transition: all .15s;
}
.theme-btn.active, .theme-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Main / Chat ────────────────────────────────────────────────────────── */
#main { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }

#chat-topbar {
  padding: 6px 14px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.ctx-device { font-family: var(--font-mono); font-size: 12px; color: var(--accent); flex: 1; }
.ctx-tokens { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); margin-left: auto; }

/* Settings gear button in sidebar footer */
#sidebar-cfg-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 16px;
  padding: 2px 4px;
  border-radius: 4px;
  line-height: 1;
  transition: color .15s;
  flex-shrink: 0;
}
#sidebar-cfg-btn:hover { color: var(--text); }

/* ── Settings modal ─────────────────────────────────────────────────────── */
#cfg-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}
#cfg-panel {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 900px;
  max-width: 96vw;
  height: 82vh;
  display: flex;
  flex-direction: row;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}

/* ── Nav ─────────── */
#cfg-nav {
  width: 190px;
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
#cfg-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}
#cfg-close {
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 15px; padding: 2px 4px;
  border-radius: 4px; transition: color .15s;
}
#cfg-close:hover { color: var(--text); }

#cfg-nav-list {
  list-style: none;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
#cfg-nav-list > li { display: flex; flex-direction: column; gap: 2px; }

.cfg-nav-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  text-align: left;
  transition: color .1s, background .1s;
}
.cfg-nav-group:hover { color: var(--text); background: var(--bg3); }
.cfg-chev { transition: transform .2s; font-size: 14px; line-height: 1; }
.cfg-nav-group.open .cfg-chev { transform: rotate(90deg); }

.cfg-nav-children {
  list-style: none;
  padding-left: 10px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.cfg-nav-children.hidden { display: none; }

.cfg-nav-leaf {
  display: block;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-dim);
  text-align: left;
  transition: color .1s, background .1s;
}
.cfg-nav-leaf:hover { color: var(--text); background: var(--bg3); }
.cfg-nav-leaf.active {
  background: rgba(0,255,136,.08);
  color: var(--accent);
  font-weight: 600;
}
[data-theme="modern"] .cfg-nav-leaf.active { background: rgba(56,189,248,.08); color: var(--accent); }
[data-theme="light"]  .cfg-nav-leaf.active { background: rgba(3,105,161,.08);  color: var(--accent); }

/* ── Content ─────────── */
#cfg-content {
  flex: 1;
  overflow-y: auto;
  min-width: 0;
}

.cfg-pane { display: none; padding: 22px; }
.cfg-pane.active { display: block; }

.cfg-pane-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}
.cfg-pane-title { font-size: 15px; font-weight: 600; }
.cfg-pane-sub { font-size: 12px; color: var(--text-dim); margin-top: 2px; }

.cfg-add-btn {
  background: var(--accent);
  border: none;
  color: #000;
  font-weight: 700;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity .15s;
  flex-shrink: 0;
}
.cfg-add-btn:hover { opacity: .85; }

.cfg-refresh-btn, .cfg-back-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all .15s;
  flex-shrink: 0;
}
.cfg-refresh-btn:hover, .cfg-back-btn:hover { color: var(--text); border-color: var(--text-dim); }

/* ── Search row ─────────── */
.cfg-search-row {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}
.cfg-search-input {
  flex: 1;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 12px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  transition: border-color .15s;
}
.cfg-search-input:focus { border-color: var(--accent); }
.cfg-select {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  min-width: 110px;
  cursor: pointer;
}

/* ── Device cards ─────────── */
#cfg-devices-list { display: flex; flex-direction: column; gap: 6px; }

.cfg-device-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg2);
  transition: background .1s;
  cursor: pointer;
}
.cfg-device-card:hover { background: var(--bg3); }
.cfg-device-card:hover .cfg-card-actions { opacity: 1; }

.cfg-card-info { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.cfg-card-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cfg-card-host { font-size: 11px; color: var(--text-dim); margin-top: 2px; font-family: var(--font-mono); }
.cfg-card-left { min-width: 0; flex: 1; }

.cfg-vendor-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
}
.badge-mikrotik  { background: rgba(249,115,22,.15); color: #fb923c; }
.badge-huawei_vrp{ background: rgba(239,68,68,.15);  color: #f87171; }
.badge-fiberhome { background: rgba(59,130,246,.15);  color: #60a5fa; }
.badge-linux     { background: rgba(234,179,8,.15);   color: #facc15; }
.badge-geral     { background: rgba(148,163,184,.15); color: #94a3b8; }

.cfg-card-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity .15s;
  flex-shrink: 0;
  margin-left: 8px;
}
.cfg-card-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 13px;
  transition: color .1s, background .1s;
}
.cfg-card-btn:hover { background: var(--bg); color: var(--text); }
.cfg-card-btn.danger:hover { color: var(--danger); }

.cfg-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 0;
  color: var(--text-dim);
  border: 1px dashed var(--border);
  border-radius: 8px;
  font-size: 13px;
  gap: 6px;
}

/* ── Device form ─────────── */
#cfg-device-form { padding-top: 4px; }

.cfg-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}
.cfg-form-row { display: flex; flex-direction: column; gap: 4px; }
.cfg-form-row-full { grid-column: 1 / -1; }
.cfg-form-row label { font-size: 11px; color: var(--text-dim); }
.cfg-input {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13px;
  outline: none;
  width: 100%;
  transition: border-color .15s;
}
.cfg-input:focus { border-color: var(--accent); }
.cfg-form-checks { flex-direction: row !important; gap: 20px !important; align-items: center; }
.cfg-form-checks label { font-size: 13px; color: var(--text); display: flex; align-items: center; gap: 5px; cursor: pointer; }

.cfg-result-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.cfg-result-box {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg3);
  padding: 7px 10px;
  border-radius: 6px;
  white-space: pre-wrap;
  color: var(--accent2);
}

.cfg-form-actions { display: flex; flex-wrap: wrap; gap: 6px; }

/* ── Logs pane ─────────── */
#cfg-logs-list { display: flex; flex-direction: column; gap: 4px; }

.cfg-log-row {
  display: flex;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--bg2);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  align-items: flex-start;
}
.cfg-log-date { color: var(--text-dim); flex-shrink: 0; }
.cfg-log-tokens { color: var(--accent); flex-shrink: 0; }
.cfg-log-summary { color: var(--text); flex: 1; white-space: pre-wrap; word-break: break-word; }

/* ── Knowledge pane ─────────── */
#cfg-knowledge-list { display: flex; flex-direction: column; gap: 4px; }

.cfg-know-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--bg2);
  border: 1px solid var(--border);
  font-size: 12px;
}
.cfg-know-cat {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(0,204,255,.12);
  color: var(--accent2);
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
  white-space: nowrap;
}
.cfg-know-body { flex: 1; color: var(--text-dim); white-space: pre-wrap; word-break: break-word; }
.cfg-know-del {
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 13px; padding: 2px 4px;
  border-radius: 4px; transition: color .1s;
  flex-shrink: 0;
}
.cfg-know-del:hover { color: var(--danger); }

#chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── Messages ───────────────────────────────────────────────────────────── */
.msg-row { display: flex; flex-direction: column; gap: 6px; }
.msg-label { font-size: 11px; color: var(--text-dim); font-family: var(--font-mono); padding: 0 2px; }
.msg-user {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--text);
  align-self: flex-end;
  max-width: 75%;
}
.msg-agent {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text);
  line-height: 1.65;
}
.msg-agent code {
  background: var(--bg3);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent2);
}
.msg-agent pre {
  background: var(--term-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin: 8px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--term-text);
}
.msg-agent pre code { background: none; padding: 0; color: var(--term-text); }
.msg-loading { color: var(--accent); font-family: var(--font-mono); font-size: 13px; padding: 4px 0; }
.msg-error { color: var(--danger); font-family: var(--font-mono); font-size: 12px; padding: 4px 0; }
.msg-tokens { font-size: 10px; color: var(--text-dim); font-family: var(--font-mono); text-align: right; padding: 2px 0; }

/* ── Terminal (tool outputs) ────────────────────────────────────────────── */
.msg-tool {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #1e2530;
  background: var(--term-bg);
  font-family: var(--font-mono);
}
.msg-tool-titlebar {
  background: #1a1e26;
  padding: 5px 10px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid #1e2530;
}
.term-dot { width: 9px; height: 9px; border-radius: 50%; }
.term-dot-r { background: #ff5f57; }
.term-dot-y { background: #febc2e; }
.term-dot-g { background: #28c840; }

.tool-entry { border-top: 1px solid #1e2530; }
.tool-entry:first-child { border-top: none; }

.tool-header {
  padding: 5px 12px;
  font-size: 11px;
  color: var(--term-cmd);
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.02);
}
.tool-header::before { content: '$'; color: var(--text-dim); flex-shrink: 0; }
.tool-header.running { color: var(--warn); animation: blink .8s step-end infinite; }
@keyframes blink { 50% { opacity: .35; } }

.tool-body {
  padding: 6px 12px 10px;
  font-size: 11px;
  color: var(--term-text);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 380px;
  overflow-y: auto;
  line-height: 1.5;
  margin: 0;
}
.tool-toggle {
  display: block;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 10px;
  font-family: var(--font-mono);
  padding: 2px 12px 6px;
  text-align: left;
  width: 100%;
  transition: color .1s;
}
.tool-toggle:hover { color: var(--term-cmd); }

/* ── Input area ─────────────────────────────────────────────────────────── */
#chat-input-area {
  padding: 12px 16px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  align-items: flex-end;
  flex-shrink: 0;
}
#chat-input {
  flex: 1;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 10px 14px;
  font-family: var(--font-ui);
  font-size: 14px;
  resize: none;
  min-height: 42px;
  max-height: 120px;
  outline: none;
  transition: border-color .15s;
}
#chat-input:focus { border-color: var(--accent); }
.btn {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text); padding: 8px 14px; border-radius: var(--radius);
  cursor: pointer; font-size: 13px; transition: all .15s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #000; font-weight: bold; }
.btn-primary:hover { opacity: .85; color: #000; }
.btn-danger  { border-color: transparent; }
.btn-danger:hover  { color: var(--danger); border-color: var(--danger); }
.btn-warning { background: #b06000; border-color: #b06000; color: #fff; font-size: 11px; }
.btn-warning:hover { opacity: .85; }

/* ── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── History banner ─────────────────────────────────────────────────────── */
.history-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.history-close-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 3px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  white-space: nowrap;
  transition: all .15s;
}
.history-close-btn:hover { color: var(--accent); border-color: var(--accent); }

/* ── Utils ──────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.text-accent { color: var(--accent); }
.text-dim { color: var(--text-dim); }
.mono { font-family: var(--font-mono); }