:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --text: #1e293b;
  --text-dim: #64748b;
  --text-muted: #94a3b8;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --green: #059669;
  --red: #dc2626;
  --yellow: #d97706;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* ── Top bar ── */
#status {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  height: 48px;
  font-size: 13px;
  display: flex;
  gap: 12px;
  align-items: center;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  z-index: 10;
}

.app-brand {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
  margin-right: 4px;
}

#status .tag {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  background: var(--border-light);
  color: var(--text-muted);
  letter-spacing: 0.2px;
}

#status .tag.connected {
  background: rgba(5, 150, 105, 0.1);
  color: var(--green);
}

#status .tag.streaming {
  color: var(--green);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse { 50% { opacity: 0.65; } }

#status .dim { color: var(--text-dim); font-size: 12px; }

#status .spacer { flex: 1; }

.user-badge {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  padding: 2px 8px;
  background: var(--border-light);
  border-radius: var(--radius-sm);
}

.user-badge.clickable {
  color: var(--text);
  background: transparent;
  padding: 0;
}

.user-menu {
  position: relative;
}

.user-menu.hidden,
.user-menu-panel.hidden {
  display: none;
}

.user-menu-trigger {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 6px 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-sm);
}

.user-menu-trigger::after {
  content: '▾';
  font-size: 10px;
  color: var(--text-muted);
}

.user-menu-trigger:hover {
  background: var(--border-light);
}

.user-menu-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 6px;
  z-index: 20;
}

.user-menu-item {
  display: block;
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
}

.user-menu-item:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

/* ── Main layout ── */
#main { flex: 1; display: flex; overflow: hidden; }

/* ── Sidebar ── */
#sidebar {
  width: 260px;
  min-width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 12px;
  overflow-y: auto;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: width 0.2s ease, min-width 0.2s ease;
}

.sidebar-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.btn-new-chat {
  flex: 1;
  padding: 9px 14px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s;
  white-space: nowrap;
}

.btn-new-chat:hover { background: var(--accent-hover); }

.sidebar-toggle {
  flex-shrink: 0;
  display: flex;
  width: 34px;
  height: 34px;
  padding: 0;
  background: var(--border-light);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.sidebar-toggle:hover {
  background: var(--border);
  color: var(--text);
}

.sidebar-section-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 4px 4px 0;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.btn-refresh-list {
  width: 24px;
  height: 24px;
  padding: 0;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.12s;
  flex-shrink: 0;
}

.btn-refresh-list:hover:not(:disabled) {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--border);
}

.btn-refresh-list:disabled {
  opacity: 0.6;
  cursor: wait;
}

#agent-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

#agent-list .agent-item {
  padding: 10px 30px 10px 12px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.12s;
  position: relative;
}

#agent-list .agent-item:hover {
  background: var(--accent-soft);
  border-color: var(--border);
}

#agent-list .agent-item.active {
  background: var(--accent-soft);
  border-color: rgba(37, 99, 235, 0.3);
}

#agent-list .agent-item .item-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

#agent-list .agent-item.active .item-title { color: var(--accent); }

#agent-list .agent-item .item-hint {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.btn-delete-session {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  padding: 0;
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.12s;
  z-index: 2;
  pointer-events: auto;
}

#agent-list .agent-item:hover .btn-delete-session {
  opacity: 0.6;
}

.btn-delete-session:hover {
  opacity: 1 !important;
  color: var(--red);
  background: rgba(220, 38, 38, 0.08);
}

.agent-list-loader {
  text-align: center;
  padding: 10px 0;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background 0.15s, color 0.15s;
}
.agent-list-loader:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

/* Sidebar collapsed */
#main.sidebar-collapsed #sidebar {
  width: 56px;
  min-width: 56px;
  padding: 12px 8px;
  overflow: hidden;
}

#main.sidebar-collapsed #sidebar .sidebar-section-label-row,
#main.sidebar-collapsed #sidebar .sidebar-section-label,
#main.sidebar-collapsed #sidebar #agent-list,
#main.sidebar-collapsed #sidebar .btn-new-chat {
  display: none !important;
}

#main.sidebar-collapsed #sidebar .sidebar-top {
  justify-content: center;
}

#main.sidebar-collapsed #sidebar .sidebar-toggle {
  width: 36px;
  height: 36px;
}

/* ── Content area ── */
#content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}

.hidden { display: none !important; }

/* ── Chat placeholder ── */
#chat-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.placeholder-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.placeholder-icon {
  font-size: 36px;
  color: var(--text-muted);
  line-height: 1;
}

.placeholder-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-dim);
}

.placeholder-hint {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Chat panel ── */
#chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  margin: 16px 20px 16px 16px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

/* ── Messages ── */
#messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px;
  scroll-behavior: smooth;
}

.history-top-indicator {
  text-align: center;
  padding: 10px 0;
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  border-radius: var(--radius-md);
  transition: background 0.15s, color 0.15s;
}
.history-top-indicator:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

/* Pulsing dots shown while the agent is running but hasn't produced visible output yet. */
.run-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px 4px;
  margin: 4px 0;
}
.run-indicator span {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.25;
  animation: runDotPulse 1.2s ease-in-out infinite;
}
.run-indicator span:nth-child(2) { animation-delay: 0.2s; }
.run-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes runDotPulse {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.85); }
  40%            { opacity: 1;   transform: scale(1);    }
}

#messages .msg {
  margin: 12px 0;
  padding: 14px 18px;
  border-radius: var(--radius-lg);
  max-width: 82%;
  font-size: 14px;
  line-height: 1.7;
  animation: msgFadeIn 0.2s ease;
}

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

#messages .msg.user {
  margin-left: auto;
  background: var(--accent-soft);
  border: 1px solid rgba(37, 99, 235, 0.18);
}

#messages .msg.assistant {
  margin-right: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

#messages .msg .role {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

#messages .msg.user .role { color: var(--accent); }
#messages .msg.assistant .role { color: var(--text-dim); }

#messages .msg .text {
  white-space: pre-wrap;
  word-break: break-word;
}

/* Rendered markdown inside .text */
#messages .msg .text.rendered {
  white-space: normal;
}

#messages .msg .text.rendered p { margin: 0 0 10px; }
#messages .msg .text.rendered p:last-child { margin-bottom: 0; }
#messages .msg .text.rendered h1,
#messages .msg .text.rendered h2,
#messages .msg .text.rendered h3,
#messages .msg .text.rendered h4 {
  margin: 16px 0 8px;
  font-weight: 600;
  line-height: 1.3;
}
#messages .msg .text.rendered h1:first-child,
#messages .msg .text.rendered h2:first-child,
#messages .msg .text.rendered h3:first-child { margin-top: 0; }

#messages .msg .text.rendered h1 { font-size: 1.25em; }
#messages .msg .text.rendered h2 { font-size: 1.1em; }
#messages .msg .text.rendered h3 { font-size: 1em; }

#messages .msg .text.rendered ul,
#messages .msg .text.rendered ol {
  margin: 8px 0;
  padding-left: 20px;
}

#messages .msg .text.rendered li { margin: 4px 0; }

#messages .msg .text.rendered code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--border-light);
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

#messages .msg .text.rendered pre {
  margin: 12px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}

#messages .msg .text.rendered pre code {
  display: block;
  padding: 14px 16px;
  background: #f6f8fa;
  font-size: 12.5px;
  line-height: 1.6;
  overflow-x: auto;
  border: none;
  border-radius: 0;
}

#messages .msg .text.rendered blockquote {
  margin: 10px 0;
  padding: 10px 16px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-dim);
}

#messages .msg .text.rendered table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 13px;
}

#messages .msg .text.rendered th,
#messages .msg .text.rendered td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  text-align: left;
}

#messages .msg .text.rendered th {
  background: var(--bg);
  font-weight: 600;
}

#messages .msg .text.rendered a {
  color: var(--accent);
  text-decoration: none;
}

#messages .msg .text.rendered a:hover { text-decoration: underline; }

#messages .msg .text.rendered hr {
  margin: 16px 0;
  border: none;
  border-top: 1px solid var(--border);
}

/* Copy button for code blocks */
.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 3px 8px;
  background: var(--surface);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-family: var(--font-ui);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}

pre:hover .copy-btn { opacity: 1; }
.copy-btn:hover { background: var(--bg); color: var(--text); }

/* Streaming message */
#messages .msg.streaming {
  border-color: rgba(5, 150, 105, 0.4);
}

#messages .msg.streaming .role::after {
  content: ' ●';
  color: var(--green);
  animation: pulse 1s infinite;
}

#messages .msg.assistant.error {
  border-color: var(--red);
  background: rgba(220, 38, 38, 0.04);
}

/* System note: lightweight divider shown after a steer run with no visible output */
#messages .msg.system-note {
  text-align: center;
  font-size: 0.72rem;
  color: var(--muted);
  padding: 2px 0 6px;
  letter-spacing: 0.02em;
  user-select: none;
}

/* Thinking block */
#messages .thinking-block {
  margin: 8px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--bg);
  overflow: hidden;
  font-size: 13px;
  max-width: 82%;
}

#messages .thinking-block details { border: none; }

#messages .thinking-block summary {
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}

#messages .thinking-block summary::before {
  content: '▶';
  font-size: 9px;
  transition: transform 0.15s;
}

#messages .thinking-block details[open] summary::before {
  transform: rotate(90deg);
}

#messages .thinking-block summary::-webkit-details-marker { display: none; }

#messages .thinking-block .thinking-text {
  padding: 0 14px 12px;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
  color: var(--text-dim);
  border-top: 1px solid var(--border-light);
}

/* Tool calls — outer element is <details> */
@keyframes tool-spin {
  to { transform: rotate(360deg); }
}

#messages .tool-call {
  margin: 6px 0;
  border-radius: var(--radius-md);
  font-size: 12px;
  border: 1px solid var(--border);
  border-left-width: 3px;
  max-width: 82%;
  overflow: hidden;
  background: var(--bg);
}

/* State: left-border colors */
#messages .tool-call.queued     { border-left-color: var(--text-muted); opacity: 0.75; }
#messages .tool-call.running    { border-left-color: var(--yellow); }
#messages .tool-call.success    { border-left-color: #4caf82; }
#messages .tool-call.error      { border-left-color: #e05252; }
#messages .tool-call.interrupted{ border-left-color: #c87c2a; opacity: 0.85; }

/* Summary line (always visible, acts as the single-line header) */
#messages .tool-call > summary.tool-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  cursor: pointer;
  user-select: none;
  list-style: none;
}
#messages .tool-call > summary.tool-header::-webkit-details-marker { display: none; }

/* Expand/collapse triangle */
#messages .tool-call > summary.tool-header::before {
  content: '▶';
  font-size: 8px;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.15s;
}
#messages .tool-call[open] > summary.tool-header::before {
  transform: rotate(90deg);
}

/* Status icon */
#messages .tool-call .tool-status-icon {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  font-size: 12px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
#messages .tool-call.running .tool-status-icon::before {
  content: '';
  display: block;
  width: 11px;
  height: 11px;
  border: 2px solid var(--yellow);
  border-top-color: transparent;
  border-radius: 50%;
  animation: tool-spin 0.8s linear infinite;
}
#messages .tool-call.queued .tool-status-icon::before {
  content: '';
  display: block;
  width: 11px;
  height: 11px;
  border: 2px solid var(--text-muted);
  border-top-color: transparent;
  border-radius: 50%;
  animation: tool-spin 1s linear infinite;
}
#messages .tool-call.success .tool-status-icon    { color: #4caf82; }
#messages .tool-call.success .tool-status-icon::before    { content: '✓'; font-weight: 700; }
#messages .tool-call.error .tool-status-icon      { color: #e05252; }
#messages .tool-call.error .tool-status-icon::before      { content: '✗'; font-weight: 700; }
#messages .tool-call.interrupted .tool-status-icon{ color: #c87c2a; }
#messages .tool-call.interrupted .tool-status-icon::before{ content: '⊘'; }

/* Tool name */
#messages .tool-call .tool-name {
  color: var(--yellow);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 12px;
  flex-shrink: 0;
  white-space: nowrap;
}

/* Status badge */
#messages .tool-call .tool-badge {
  flex-shrink: 0;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
#messages .tool-call.queued .tool-badge     { background: rgba(120,120,140,0.12); color: var(--text-muted); }
#messages .tool-call.running .tool-badge    { background: rgba(210,170,50,0.15); color: var(--yellow); }
#messages .tool-call.success .tool-badge    { background: rgba(76,175,130,0.15); color: #4caf82; }
#messages .tool-call.error .tool-badge      { background: rgba(224,82,82,0.15);  color: #e05252; }
#messages .tool-call.interrupted .tool-badge{ background: rgba(200,124,42,0.15); color: #c87c2a; }

/* Inline summary text (truncated result shown when collapsed) */
#messages .tool-call .tool-summary {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-muted);
  font-size: 11px;
}
#messages .tool-call.error .tool-summary { color: #e07070; }

/* Body (visible when expanded) */
#messages .tool-call .tool-body {
  border-top: 1px solid var(--border);
}

/* Section labels */
#messages .tool-call .tool-section-label {
  padding: 5px 12px 2px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* Args */
#messages .tool-call .tool-args {
  margin: 0;
  padding: 2px 12px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 200px;
  overflow-y: auto;
}

/* Result section */
#messages .tool-call .tool-result-wrap {
  border-top: 1px solid var(--border);
}
#messages .tool-call .tool-result {
  margin: 0;
  padding: 2px 12px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 240px;
  overflow-y: auto;
}
#messages .tool-call.error .tool-result      { color: #e07070; }
#messages .tool-call.interrupted .tool-result{ color: var(--text-muted); font-style: italic; }

#messages .tool-call .subagent-wrap {
  margin-top: 12px;
  border-top: 1px solid var(--border-light);
  padding-top: 12px;
}

#messages .tool-call .subagent-summary-card {
  background: linear-gradient(180deg, var(--bg-soft) 0%, rgba(243, 246, 252, 0.92) 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#messages .tool-call .subagent-summary-meta {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

#messages .tool-call .subagent-summary-text {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
}

#messages .tool-call .subagent-open-btn {
  align-self: flex-start;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
}

#messages .tool-call .subagent-open-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

#messages .tool-call .subagent-panel {
  background: var(--bg-soft);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px;
}

#messages .tool-call .subagent-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
  line-height: 1.5;
}

#messages .tool-call .subagent-empty {
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
}

#messages .tool-call .subagent-output,
#messages .tool-call .subagent-thinking-text,
#messages .tool-call .subagent-tool-args,
#messages .tool-call .subagent-tool-result {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 12px;
  line-height: 1.6;
  font-family: var(--font-mono);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

#messages .tool-call .subagent-thinking {
  margin: 10px 0;
}

#messages .tool-call .subagent-thinking summary {
  cursor: pointer;
  color: var(--text-dim);
  font-size: 12px;
  margin-bottom: 8px;
}

#messages .tool-call .subagent-tool-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

#messages .tool-call .subagent-tool-call {
  border-left: 3px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 10px;
}

#messages .tool-call .subagent-tool-call.running { border-left-color: var(--yellow); }
#messages .tool-call .subagent-tool-call.success { border-left-color: #4caf82; }
#messages .tool-call .subagent-tool-call.error { border-left-color: #e05252; }
#messages .tool-call .subagent-tool-call.interrupted { border-left-color: #c87c2a; }

#messages .tool-call .subagent-tool-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

#messages .tool-call .subagent-tool-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
}

#messages .tool-call .subagent-tool-badge {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--border-light);
  border-radius: 999px;
  padding: 2px 8px;
}

#messages .tool-call .subagent-tool-result {
  margin-top: 8px;
}

body.modal-open {
  overflow: hidden;
}

.subagent-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
}

.subagent-modal.hidden {
  display: none;
}

.subagent-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 24, 33, 0.45);
  backdrop-filter: blur(3px);
}

.subagent-modal-dialog {
  position: relative;
  width: min(980px, calc(100vw - 32px));
  max-height: calc(100vh - 40px);
  margin: 20px auto;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  box-shadow: 0 30px 80px rgba(13, 24, 45, 0.18);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.subagent-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border-light);
  background: linear-gradient(180deg, rgba(247, 250, 255, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
}

.subagent-modal-kicker {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.subagent-modal-header h3 {
  margin: 0;
  font-size: 18px;
  color: var(--text);
}

.subagent-modal-close {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 12px;
  cursor: pointer;
}

.subagent-modal-body {
  padding: 18px 20px 20px;
  overflow-y: auto;
  background: #f6f8fc;
}

.subagent-modal-body .subagent-panel {
  max-width: 100%;
}

.subagent-modal-body .subagent-meta {
  margin-bottom: 14px;
  font-size: 12px;
  color: var(--text-muted);
}

.subagent-modal-body .subagent-modal-stream {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.subagent-modal-body .subagent-modal-msg {
  max-width: 100%;
}

.subagent-modal-body .subagent-modal-msg .text {
  white-space: pre-wrap;
  word-break: break-word;
}

.subagent-modal-body .subagent-modal-thinking {
  margin: 0;
}

.subagent-modal-body .subagent-modal-tool-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.subagent-modal-body .tool-call {
  border-radius: var(--radius-md);
  font-size: 12px;
  border: 1px solid var(--border);
  border-left-width: 3px;
  overflow: hidden;
  background: var(--surface);
}

.subagent-modal-body .tool-call.queued { border-left-color: var(--text-muted); opacity: 0.8; }
.subagent-modal-body .tool-call.running { border-left-color: var(--yellow); }
.subagent-modal-body .tool-call.success { border-left-color: #4caf82; }
.subagent-modal-body .tool-call.error { border-left-color: #e05252; }
.subagent-modal-body .tool-call.interrupted { border-left-color: #c87c2a; opacity: 0.9; }

.subagent-modal-body .tool-call > summary.tool-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.subagent-modal-body .tool-call > summary.tool-header::-webkit-details-marker {
  display: none;
}

.subagent-modal-body .tool-call > summary.tool-header::before {
  content: '▶';
  font-size: 8px;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.15s;
}

.subagent-modal-body .tool-call[open] > summary.tool-header::before {
  transform: rotate(90deg);
}

.subagent-modal-body .tool-call .tool-status-icon {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.subagent-modal-body .tool-call.running .tool-status-icon::before {
  content: '';
  display: block;
  width: 11px;
  height: 11px;
  border: 2px solid var(--yellow);
  border-top-color: transparent;
  border-radius: 50%;
  animation: tool-spin 0.8s linear infinite;
}

.subagent-modal-body .tool-call.queued .tool-status-icon::before {
  content: '';
  display: block;
  width: 11px;
  height: 11px;
  border: 2px solid var(--text-muted);
  border-top-color: transparent;
  border-radius: 50%;
  animation: tool-spin 1s linear infinite;
}

.subagent-modal-body .tool-call.success .tool-status-icon { color: #4caf82; }
.subagent-modal-body .tool-call.success .tool-status-icon::before { content: '✓'; font-weight: 700; }
.subagent-modal-body .tool-call.error .tool-status-icon { color: #e05252; }
.subagent-modal-body .tool-call.error .tool-status-icon::before { content: '✗'; font-weight: 700; }
.subagent-modal-body .tool-call.interrupted .tool-status-icon { color: #c87c2a; }
.subagent-modal-body .tool-call.interrupted .tool-status-icon::before { content: '⊘'; }

.subagent-modal-body .tool-call .tool-name {
  color: var(--yellow);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 12px;
  flex-shrink: 0;
  white-space: nowrap;
}

.subagent-modal-body .tool-call .tool-badge {
  flex-shrink: 0;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 500;
}

.subagent-modal-body .tool-call.queued .tool-badge { background: rgba(120,120,140,0.12); color: var(--text-muted); }
.subagent-modal-body .tool-call.running .tool-badge { background: rgba(210,170,50,0.15); color: var(--yellow); }
.subagent-modal-body .tool-call.success .tool-badge { background: rgba(76,175,130,0.15); color: #4caf82; }
.subagent-modal-body .tool-call.error .tool-badge { background: rgba(224,82,82,0.15); color: #e05252; }
.subagent-modal-body .tool-call.interrupted .tool-badge { background: rgba(200,124,42,0.15); color: #c87c2a; }

.subagent-modal-body .tool-call .tool-summary {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-muted);
  font-size: 11px;
}

.subagent-modal-body .tool-call .tool-body {
  border-top: 1px solid var(--border);
}

.subagent-modal-body .tool-call .tool-section-label {
  padding: 5px 12px 2px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.subagent-modal-body .tool-call .tool-args,
.subagent-modal-body .tool-call .tool-result {
  margin: 0;
  padding: 2px 12px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 260px;
  overflow-y: auto;
}

.subagent-modal-body .tool-call .tool-result-wrap {
  border-top: 1px solid var(--border);
}

/* ── Input area ── */
#input-area {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 20px 20px;
  border-top: 1px solid var(--border-light);
  background: var(--surface);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* Message queue */
.message-queue {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 96px;
  overflow-y: auto;
  flex-shrink: 0;
}

.message-queue-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.message-queue.hidden { display: none !important; }

.message-queue-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: var(--border-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 11px;
  color: var(--text-dim);
}

.message-queue-item .queue-text {
  flex: 1;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message-queue-item .queue-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.message-queue-item .queue-actions button {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  padding: 0;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.12s;
}

.message-queue-item .queue-actions button:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.message-queue-item .btn-steer-queue:hover { color: var(--accent); }
.message-queue-item .btn-queue-edit:hover { color: var(--accent); }
.message-queue-item .btn-queue-delete:hover { color: var(--red); border-color: rgba(220,38,38,0.4); background: rgba(220,38,38,0.06); }

/* Input row */
.input-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  position: relative;
}

.slash-command-menu {
  position: absolute;
  z-index: 30;
  min-width: 240px;
  max-width: 320px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
}

.slash-command-menu.hidden {
  display: none !important;
}

.slash-command-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 10px;
  width: 100%;
  padding: 8px 10px;
  border: none;
  border-radius: 10px;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.slash-command-item:hover,
.slash-command-item.active {
  background: var(--accent-soft);
}

.slash-command-name {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text);
  white-space: nowrap;
}

.slash-command-desc {
  font-size: 12px;
  color: var(--text-dim);
}

#prompt-input {
  flex: 1;
  padding: 11px 16px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-family: var(--font-ui);
  font-size: 14px;
  resize: none;
  min-height: 44px;
  max-height: 200px;
  overflow-y: auto;
  transition: border-color 0.15s, box-shadow 0.15s;
  line-height: 1.5;
}

#prompt-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

#prompt-input::placeholder { color: var(--text-muted); }

.input-btns {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}

#btn-send {
  padding: 10px 22px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

#btn-send:hover:not(:disabled) { background: var(--accent-hover); }
#btn-send:disabled { opacity: 0.45; cursor: not-allowed; }

#btn-abort {
  padding: 10px 18px;
  background: transparent;
  color: var(--red);
  border: 1px solid rgba(220, 38, 38, 0.3);
  border-radius: var(--radius-lg);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s;
  white-space: nowrap;
}

#btn-abort:hover {
  background: rgba(220, 38, 38, 0.06);
  border-color: var(--red);
}

#btn-abort.hidden { display: none; }

/* ── Auth pages ── */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

#auth-box {
  width: 380px;
  padding: 44px 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

#auth-box h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}

.auth-subtitle {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 28px;
}

.auth-api-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 16px;
  word-break: break-all;
}

#auth-box .field { margin-bottom: 18px; }

#auth-box label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}

#auth-box input {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: var(--font-ui);
  transition: border-color 0.15s, box-shadow 0.15s;
}

#auth-box input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

#auth-box button[type="submit"] {
  width: 100%;
  padding: 12px;
  margin-top: 8px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-ui);
  transition: background 0.15s;
}

#auth-box button[type="submit"]:hover { background: var(--accent-hover); }
#auth-box button[type="submit"]:disabled { opacity: 0.5; cursor: not-allowed; }

.auth-error {
  color: var(--red);
  font-size: 13px;
  margin: 12px 0;
  padding: 10px 14px;
  background: rgba(220, 38, 38, 0.05);
  border: 1px solid rgba(220, 38, 38, 0.2);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

.auth-error.hidden { display: none; }

.auth-switch {
  margin-top: 24px;
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
}

.auth-switch a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.auth-switch a:hover { text-decoration: underline; }

.btn-logout {
  padding: 5px 12px;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: all 0.12s;
}

.btn-logout:hover {
  color: var(--text);
  border-color: var(--text-dim);
  background: var(--bg);
}

/* ── Admin page ── */

.admin-login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.admin-dashboard {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
}

.admin-dashboard.hidden { display: none !important; }

.admin-topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.admin-topbar .spacer { flex: 1; }

.admin-tab-panel {
  flex: 1;
  width: 100%;
  overflow-y: auto;
}

.admin-tab-panel.hidden { display: none !important; }

.admin-body {
  flex: 1;
  padding: 28px 32px;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

/* ── Admin stats cards ── */

.admin-stats-row {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.stat-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 6px;
}

/* ── Admin section ── */

.admin-section { margin-bottom: 32px; }

.section-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
}

.section-header h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.section-count {
  font-size: 12px;
  color: var(--text-muted);
}

/* ── Admin table ── */

.admin-table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.admin-table th,
.admin-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.admin-table thead th {
  background: var(--bg);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border-bottom-color: var(--border);
}

.admin-table tbody tr:last-child td { border-bottom: none; }

.admin-table tbody tr:hover td {
  background: var(--accent-soft);
}

.admin-table .col-num {
  text-align: center;
  width: 80px;
}

.admin-table .col-action {
  text-align: center;
  width: 80px;
}

.admin-table .cell-username {
  font-weight: 500;
  color: var(--text);
}

.admin-table .cell-id {
  font-size: 12px;
  color: var(--text-muted);
}

.admin-table .cell-id code {
  font-family: var(--font-mono);
  background: var(--border-light);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
}

.admin-table .cell-path {
  font-size: 11px;
  color: var(--text-muted);
  max-width: 260px;
  word-break: break-all;
}

.admin-table .cell-path code {
  font-family: var(--font-mono);
  background: var(--border-light);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
}

.admin-table .cell-date {
  font-size: 12px;
  color: var(--text-dim);
}

.admin-table .table-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 32px 16px;
}

.btn-admin-action {
  padding: 6px 14px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: all 0.12s;
}

.btn-admin-action:hover,
.btn-admin-action.admin-tab-active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* ── Review layout ── */

.review-content-layout {
  display: flex;
  gap: 16px;
}

.review-list-wrap {
  flex: 1;
  min-width: 0;
}

.review-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.review-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.review-filter-select {
  padding: 5px 10px;
  font-size: 12px;
  font-family: var(--font-ui);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
  outline: none;
}

.review-preview-panel {
  width: 480px;
  min-width: 360px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-height: 600px;
}

.review-preview-header {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.review-preview-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}

.review-preview-body {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.review-file-tree {
  width: 150px;
  min-width: 120px;
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 4px 0;
  font-size: 13px;
}

/* Delete button in user table */
.btn-delete-user {
  padding: 4px 10px;
  background: transparent;
  color: var(--red);
  border: 1px solid rgba(220, 38, 38, 0.35);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: all 0.12s;
}

.btn-delete-user:hover {
  background: rgba(220, 38, 38, 0.07);
  border-color: var(--red);
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-backdrop.hidden { display: none; }

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  width: 460px;
  max-width: 90vw;
  box-shadow: var(--shadow-lg);
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.modal-body {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 16px;
}

.modal-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
  margin-bottom: 16px;
  line-height: 1.5;
}

.modal-check input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--accent);
}

.modal-error {
  font-size: 13px;
  color: var(--red);
  padding: 8px 12px;
  background: rgba(220, 38, 38, 0.06);
  border: 1px solid rgba(220, 38, 38, 0.2);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.modal-error.hidden { display: none; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.btn-modal-cancel {
  padding: 9px 20px;
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: all 0.12s;
}

.btn-modal-cancel:hover {
  background: var(--bg);
  color: var(--text);
}

.btn-modal-confirm {
  padding: 9px 20px;
  background: var(--red);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: background 0.12s;
}

.btn-modal-confirm:hover:not(:disabled) { background: #b91c1c; }
.btn-modal-confirm:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Password strength indicator ── */

.password-strength {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.password-strength.hidden { display: none; }

.strength-bar {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.strength-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease, background 0.3s ease;
  width: 0;
}

.strength-fill.strength-weak    { background: var(--red); }
.strength-fill.strength-medium  { background: var(--yellow); }
.strength-fill.strength-good    { background: #60a5fa; }
.strength-fill.strength-strong  { background: var(--green); }

.strength-label {
  font-size: 12px;
  font-weight: 600;
  min-width: 32px;
  text-align: right;
}

.strength-label.strength-weak    { color: var(--red); }
.strength-label.strength-medium  { color: var(--yellow); }
.strength-label.strength-good    { color: #60a5fa; }
.strength-label.strength-strong  { color: var(--green); }

.password-rules {
  list-style: none;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.8;
}

.password-rules li {
  padding-left: 20px;
  position: relative;
}

.password-rules li::before {
  position: absolute;
  left: 0;
  font-size: 11px;
}

.password-rules li.rule-fail {
  color: var(--text-muted);
}

.password-rules li.rule-fail::before {
  content: '✗';
  color: var(--text-muted);
}

.password-rules li.rule-pass {
  color: var(--green);
}

.password-rules li.rule-pass::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
}

.password-rules li.rule-hint {
  color: var(--text-dim);
  font-size: 11px;
  padding-left: 0;
  margin-top: 4px;
}

.password-rules li.rule-hint::before {
  content: none;
}

/* ── Rate limit warning ── */

.rate-limit-warning {
  color: var(--yellow);
  font-size: 13px;
  margin: 8px 0;
  padding: 10px 14px;
  background: rgba(217, 119, 6, 0.06);
  border: 1px solid rgba(217, 119, 6, 0.25);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

.rate-limit-warning.hidden { display: none; }

/* ── Skills link in top bar ── */

.btn-skills {
  padding: 5px 14px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: all 0.12s;
  letter-spacing: 0.3px;
  text-decoration: none;
}

.btn-skills:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* ══════════════════════════════════════════════
   Skills page — full-page layout
   ══════════════════════════════════════════════ */

#skills-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ── Top bar ── */

#skills-topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 20px;
  height: 48px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

#skills-topbar .app-brand {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.skills-back {
  font-size: 13px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.skills-back:hover { text-decoration: underline; }

.skills-status {
  font-size: 12px;
  color: var(--text-muted);
  min-width: 80px;
}

.skills-status.status-ok { color: var(--green); }
.skills-status.status-error { color: var(--red); }

#skills-topbar .spacer { flex: 1; }

/* ── Body: sidebar + main ── */

#skills-body {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* ── Sidebar ── */

#skills-sidebar {
  width: 240px;
  min-width: 200px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 12px;
  gap: 8px;
  overflow-y: auto;
}

.skills-sidebar-top { flex-shrink: 0; }

.btn-new-skill {
  width: 100%;
  padding: 9px 14px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s;
}

.btn-new-skill:hover { background: var(--accent-hover); }

.skills-sidebar-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 4px 4px 0;
}

.skills-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.skills-list-empty {
  text-align: center;
  padding: 24px 8px;
  color: var(--text-muted);
  font-size: 12px;
}

.inline-new-skill {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 10px;
  margin-bottom: 6px;
  border: 1px dashed var(--accent);
  border-radius: var(--radius-md);
  background: var(--accent-soft);
}

.inline-new-skill input {
  width: 100%;
  padding: 5px 8px;
  font-size: 12px;
  font-family: var(--font-ui);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  outline: none;
}

.inline-new-skill input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.inline-new-file {
  display: flex;
  padding: 2px 8px;
}

.inline-new-file input {
  width: 100%;
  padding: 4px 8px;
  font-size: 12px;
  font-family: var(--font-ui);
  border: 1px dashed var(--accent);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  outline: none;
}

.inline-new-file input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.skill-item {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.12s;
}

.skill-item:hover {
  background: var(--accent-soft);
  border-color: var(--border);
}

.skill-item.active {
  background: var(--accent-soft);
  border-color: rgba(37, 99, 235, 0.3);
}

.skill-item-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.skill-item-info {
  flex: 1;
  min-width: 0;
}

.skill-item-delete {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
}

.skill-item:hover .skill-item-delete {
  opacity: 1;
}

.skill-item-delete:hover {
  color: var(--danger, #ef4444);
  background: rgba(239, 68, 68, 0.1);
}

.skill-item-reset {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
}

.skill-item:hover .skill-item-reset {
  opacity: 1;
}

.skill-item-reset:hover {
  color: var(--accent, #2563eb);
  background: rgba(37, 99, 235, 0.1);
}

.skill-item-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.skill-item.active .skill-item-name { color: var(--accent); }

.skill-item-size {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Main area ── */

#skills-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}

.skills-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
  text-align: center;
  padding: 40px;
}

.skills-placeholder .placeholder-icon { font-size: 40px; }
.skills-placeholder h2 { font-size: 18px; font-weight: 600; color: var(--text-dim); }
.skills-placeholder p { font-size: 14px; line-height: 1.6; }

/* ── Editor area ── */

.skills-editor-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.skills-editor-area.hidden { display: none !important; }

.editor-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.editor-name-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.editor-name-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  white-space: nowrap;
}

.skill-name-input {
  flex: 1;
  max-width: 300px;
  padding: 7px 12px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font-ui);
  transition: border-color 0.15s;
}

.skill-name-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.skill-name-input:disabled {
  background: var(--border-light);
  color: var(--text-dim);
}

.editor-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.btn-skill-action {
  padding: 7px 16px;
  background: var(--bg);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: all 0.12s;
  white-space: nowrap;
}

.btn-skill-action:hover {
  background: var(--border-light);
  color: var(--text);
}

.btn-skill-action.btn-primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.btn-skill-action.btn-primary:hover { background: var(--accent-hover); }
.btn-skill-action.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-skill-action.btn-danger {
  color: var(--red);
  border-color: rgba(220, 38, 38, 0.3);
}

.btn-skill-action.btn-danger:hover {
  background: rgba(220, 38, 38, 0.06);
  border-color: var(--red);
}

.btn-skill-action.hidden { display: none; }

/* ── Editor + Preview panes ── */

.editor-panes {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.editor-pane,
.preview-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.editor-pane {
  border-right: 1px solid var(--border);
}

.pane-label {
  padding: 6px 16px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}

.skill-textarea {
  flex: 1;
  width: 100%;
  padding: 16px;
  background: var(--surface);
  color: var(--text);
  border: none;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  resize: none;
  outline: none;
  overflow-y: auto;
}

.skill-textarea::placeholder { color: var(--text-muted); }

.skill-preview {
  flex: 1;
  padding: 16px 20px;
  overflow-y: auto;
  background: var(--surface);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.preview-empty {
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
  padding: 40px 20px;
}

/* Rendered markdown in preview pane */
.skill-preview p { margin: 0 0 10px; }
.skill-preview p:last-child { margin-bottom: 0; }

.skill-preview h1,
.skill-preview h2,
.skill-preview h3,
.skill-preview h4 {
  margin: 16px 0 8px;
  font-weight: 600;
  line-height: 1.3;
}
.skill-preview h1:first-child,
.skill-preview h2:first-child,
.skill-preview h3:first-child { margin-top: 0; }

.skill-preview h1 { font-size: 1.3em; }
.skill-preview h2 { font-size: 1.15em; }
.skill-preview h3 { font-size: 1em; }

.skill-preview ul,
.skill-preview ol {
  margin: 8px 0;
  padding-left: 20px;
}

.skill-preview li { margin: 4px 0; }

.skill-preview code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--border-light);
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.skill-preview pre {
  margin: 12px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
}

.skill-preview pre code {
  display: block;
  padding: 14px 16px;
  background: #f6f8fa;
  font-size: 12.5px;
  line-height: 1.6;
  overflow-x: auto;
  border: none;
  border-radius: 0;
}

.skill-preview blockquote {
  margin: 10px 0;
  padding: 10px 16px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-dim);
}

.skill-preview table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 13px;
}

.skill-preview th,
.skill-preview td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  text-align: left;
}

.skill-preview th {
  background: var(--bg);
  font-weight: 600;
}

.skill-preview a { color: var(--accent); text-decoration: none; }
.skill-preview a:hover { text-decoration: underline; }

.skill-preview hr {
  margin: 16px 0;
  border: none;
  border-top: 1px solid var(--border);
}

/* ══════════════════════════════════════════════
   Skill visibility badges
   ══════════════════════════════════════════════ */

.visibility-badge {
  display: inline-block;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 6px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.visibility-badge.public {
  background: rgba(5, 150, 105, 0.1);
  color: var(--green);
}

.visibility-badge.pending {
  background: rgba(217, 119, 6, 0.1);
  color: var(--yellow);
}

.visibility-badge.rejected {
  background: rgba(220, 38, 38, 0.08);
  color: var(--red);
}

.visibility-badge.modified {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent);
}

.skill-item-author {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 1px;
}

/* ══════════════════════════════════════════════
   Tools tab
   ══════════════════════════════════════════════ */

.tools-filter-select {
  flex: 1;
  padding: 5px 8px;
  font-size: 12px;
  font-family: var(--font-ui);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  cursor: pointer;
}

.tools-filter-select:focus {
  outline: none;
  border-color: var(--accent);
}

.tool-type-tag {
  display: inline-block;
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 600;
  letter-spacing: 0.2px;
  margin-left: 4px;
}

.tool-type-tag.cli {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent);
}

.tool-type-tag.system_api {
  background: rgba(5, 150, 105, 0.1);
  color: var(--green);
}

.tool-domain-tag {
  display: inline-block;
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 500;
  background: var(--border-light);
  color: var(--text-muted);
  margin-left: 4px;
}

.tool-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
}

.tool-form-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tool-form-row > label {
  min-width: 80px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  flex-shrink: 0;
}

.tool-form-input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font-ui);
  background: var(--surface);
  color: var(--text);
}

.tool-form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.tool-form-input:disabled {
  background: var(--border-light);
  color: var(--text-dim);
}

select.tool-form-input {
  cursor: pointer;
}

/* ══════════════════════════════════════════════
   Review / Publish approval cards
   ══════════════════════════════════════════════ */

.review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.review-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.review-card-skill {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
}

.review-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.review-card-comment {
  font-size: 12px;
  color: var(--text-dim);
  background: var(--border-light);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  margin-bottom: 8px;
}

.review-card-actions {
  display: flex;
  gap: 8px;
}

.review-badge {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  line-height: 16px;
  text-align: center;
  border-radius: 8px;
  padding: 0 4px;
  margin-left: 4px;
  vertical-align: middle;
}