@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0f0f13;
  --surface: #17171f;
  --surface2: #1e1e2a;
  --border: #2a2a3a;
  --accent: #c8a96e;
  --accent2: #7eb8c9;
  --accent3: #9b7ec8;
  --text: #e8e4d9;
  --muted: #7a7a8e;
  --ok: #5cb85c;
  --bad: #e05c5c;
  --r: 8px;
  --sidebar-w: 260px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--bg); color: var(--text); font-family: 'Noto Serif SC', serif; height: 100vh; display: flex; overflow: hidden; }

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100vh;
}
.sidebar-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  border-bottom: 1px solid var(--border);
}
.sidebar-title { flex: 1; font-size: 14px; font-weight: 700; color: var(--accent); }
.back-link { color: var(--muted); font-size: 14px; text-decoration: none; padding: 4px; border-radius: 4px; transition: color .2s; }
.back-link:hover { color: var(--accent); }
.icon-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 28px; height: 28px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
  flex-shrink: 0;
}
.icon-btn:hover { color: var(--accent); border-color: var(--accent); }
.icon-btn.danger:hover { color: var(--bad); border-color: var(--bad); }
.icon-btn:disabled,
.new-sess-btn:disabled {
  opacity: .55;
  cursor: not-allowed;
  pointer-events: none;
}

.session-list { flex: 1; overflow-y: auto; padding: 8px; }
.session-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 10px;
  border-radius: var(--r);
  cursor: pointer;
  transition: background .15s;
  group: true;
}
.session-item:hover { background: var(--surface2); }
.session-item.active { background: var(--surface2); border-left: 2px solid var(--accent); padding-left: 8px; }
.session-name {
  flex: 1;
  font-size: 13px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.session-item.active .session-name { color: var(--accent); }
.session-del {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 11px;
  opacity: 0;
  transition: opacity .15s;
  padding: 2px 4px;
}
.session-item:hover .session-del { opacity: 1; }
.session-del:hover { color: var(--bad); }

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 10px;
}
.sidebar-footer-btn {
  width: 100%;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 9px 12px;
  border-radius: var(--r);
  cursor: pointer;
  font-size: 13px;
  font-family: 'Noto Serif SC', serif;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all .2s;
}
.sidebar-footer-btn:hover { color: var(--accent3); border-color: var(--accent3); }

/* ---- Main ---- */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  position: relative;
}
.session-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(15,15,19,.58), rgba(15,15,19,.75));
  backdrop-filter: blur(2px);
  z-index: 30;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}
.session-loading.show {
  opacity: 1;
  pointer-events: auto;
}
.session-loading-card {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(126,184,201,.35);
  background: rgba(23,23,31,.92);
  box-shadow: 0 12px 28px rgba(0,0,0,.32);
}
.session-loading-spinner {
  color: var(--accent2);
  font-size: 13px;
}
.session-loading-text {
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
}
.main-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--muted);
}
.main-empty p { font-size: 15px; }
.new-sess-btn {
  background: linear-gradient(135deg, var(--accent3), var(--accent2));
  border: none;
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--r);
  cursor: pointer;
  font-size: 14px;
  font-family: 'Noto Serif SC', serif;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity .2s;
}
.new-sess-btn:hover { opacity: .85; }

/* ---- Chat ---- */
.chat-container { flex: 1; display: flex; flex-direction: column; height: 100vh; overflow: hidden; }
.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.chat-title-wrap { display: flex; align-items: center; gap: 8px; }
.chat-title { font-size: 15px; font-weight: 600; color: var(--accent); }
.icon-btn-sm {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  padding: 4px 6px;
  border-radius: 4px;
  transition: color .2s;
}
.icon-btn-sm:hover { color: var(--accent); }
.icon-btn-sm.danger:hover { color: var(--bad); }
.chat-header-actions { display: flex; align-items: center; gap: 4px; }

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.msg {
  display: flex;
  flex-direction: column;
  max-width: 78%;
  animation: msgIn .25s ease;
}
.msg.user { align-self: flex-end; align-items: flex-end; }
.msg.assistant { align-self: flex-start; align-items: flex-start; }
.msg-role {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 4px;
  font-family: 'JetBrains Mono', monospace;
}
.msg-bubble {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.streaming-dot{display:inline-block;animation:blink .8s step-start infinite;color:var(--accent);font-weight:bold;}
.msg.user .msg-bubble {
  background: linear-gradient(135deg, var(--accent3), var(--accent));
  color: #fff;
  border-bottom-right-radius: 4px;
}
.msg.assistant .msg-bubble {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-bottom-left-radius: 4px;
}
.msg-bubble.streaming::after {
  content: '▌';
  animation: blink .7s infinite;
  color: var(--accent2);
}

/* ---- Think Section ---- */
.think-section {
  margin-bottom: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(155, 126, 200, .06);
}
.think-toggle {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--accent3);
  padding: 10px 12px;
  cursor: pointer;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background .2s;
  text-align: left;
  font-weight: 600;
}
.think-toggle:hover {
  background: rgba(155, 126, 200, .12);
}
.think-toggle.expanded {
  background: rgba(155, 126, 200, .12);
}
.think-toggle i {
  flex-shrink: 0;
}
.think-content {
  border-top: 1px solid var(--border);
  padding: 10px 12px;
  background: rgba(0, 0, 0, .2);
  max-height: 300px;
  overflow-y: auto;
}
.think-text {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: 'JetBrains Mono', monospace;
}
.main-content {
  font-size: 14px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
}
.msg-system {
  align-self: center;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 16px;
  font-size: 12px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
}

/* ---- Input Area ---- */
.input-area {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 12px 16px 16px;
  flex-shrink: 0;
}
.cmd-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.cmd-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all .2s;
}
.cmd-btn:hover { border-color: var(--accent3); color: var(--accent3); }
.cmd-btn.active { border-color: var(--accent3); color: var(--accent3); background: rgba(155,126,200,.12); }

.input-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}
.msg-input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  font-family: 'Noto Serif SC', serif;
  font-size: 14px;
  padding: 10px 14px;
  resize: none;
  outline: none;
  max-height: 160px;
  transition: border-color .2s;
  line-height: 1.6;
}
.msg-input:focus { border-color: var(--accent2); }
.send-btn {
  background: linear-gradient(135deg, var(--accent3), var(--accent2));
  border: none;
  color: #fff;
  width: 42px; height: 42px;
  border-radius: var(--r);
  cursor: pointer;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: opacity .2s;
}
.send-btn:hover { opacity: .85; }
.send-btn:disabled { opacity: .4; cursor: not-allowed; }
.input-hint {
  font-size: 11px;
  color: var(--muted);
  margin-top: 6px;
  font-family: 'JetBrains Mono', monospace;
}
.input-hint kbd {
  background: var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent3);
}

/* ---- Global Memory Panel ---- */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 100;
}
.overlay.open { display: block; }
.mem-panel {
  position: fixed;
  right: -400px;
  top: 0;
  width: 380px;
  height: 100vh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  z-index: 101;
  display: flex;
  flex-direction: column;
  transition: right .3s cubic-bezier(.4,0,.2,1);
}
.mem-panel.open { right: 0; }
.mem-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  font-weight: 600;
  color: var(--accent3);
}
.mem-add {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mem-input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  padding: 8px 12px;
  resize: vertical;
  outline: none;
  transition: border-color .2s;
}
.mem-input:focus { border-color: var(--accent3); }
.mem-add-btn {
  background: linear-gradient(135deg, var(--accent3), var(--accent2));
  border: none;
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--r);
  cursor: pointer;
  font-size: 13px;
  font-family: 'Noto Serif SC', serif;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  align-self: flex-end;
  transition: opacity .2s;
}
.mem-add-btn:hover { opacity: .85; }
.mem-list { flex: 1; overflow-y: auto; padding: 12px 20px; display: flex; flex-direction: column; gap: 8px; }
.mem-item {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 10px 12px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  transition: border-color .2s;
}
.mem-item:hover { border-color: var(--accent3); }
.mem-item-text {
  flex: 1;
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text);
  line-height: 1.5;
  outline: none;
  background: transparent;
  border: none;
  resize: none;
  width: 100%;
}
.mem-item-del {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  padding: 2px;
  flex-shrink: 0;
  transition: color .2s;
}
.mem-item-del:hover { color: var(--bad); }
.mem-empty { color: var(--muted); font-size: 13px; text-align: center; padding: 24px 0; font-family: 'JetBrains Mono', monospace; }
.mem-panel-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}
.danger-btn {
  background: transparent;
  border: 1px solid var(--bad);
  color: var(--bad);
  padding: 8px 16px;
  border-radius: var(--r);
  cursor: pointer;
  font-size: 13px;
  font-family: 'Noto Serif SC', serif;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background .2s;
  width: 100%;
  justify-content: center;
}
.danger-btn:hover { background: rgba(224,92,92,.12); }

/* ---- Toast ---- */
.toast-wrap { position: fixed; top: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 999; }
.toast { padding: 10px 18px; border-radius: var(--r); font-size: 13px; font-family: 'JetBrains Mono', monospace; background: var(--surface2); border: 1px solid var(--border); box-shadow: 0 4px 20px rgba(0,0,0,.4); animation: slideIn .3s ease; max-width: 300px; }
.toast.success { border-left: 3px solid var(--ok); }
.toast.error { border-left: 3px solid var(--bad); }
.toast.info { border-left: 3px solid var(--accent2); }

@keyframes msgIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ---- Message Actions ---- */
.msg-actions {
  display: flex;
  gap: 6px;
  margin-top: 5px;
  opacity: 0;
  transition: opacity .18s;
  flex-wrap: wrap;
}
.msg:hover .msg-actions { opacity: 1; }
.msg-act-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 3px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all .18s;
}
.msg-act-btn:hover { border-color: var(--accent2); color: var(--accent2); }
.msg-act-btn.danger:hover { border-color: var(--bad); color: var(--bad); }

/* ---- Alt Pager ---- */
.alt-pager {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 5px;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--muted);
}
.alt-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 22px;
  height: 22px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .18s;
  padding: 0;
}
.alt-btn:hover:not(:disabled) { border-color: var(--accent2); color: var(--accent2); }
.alt-btn:disabled { opacity: .3; cursor: not-allowed; }
.alt-counter { color: var(--accent); font-weight: 600; min-width: 30px; text-align: center; }

/* ---- Stop Button ---- */
.stop-btn {
  background: rgba(224,92,92,.12);
  border: 1px solid var(--bad);
  color: var(--bad);
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  transition: background .2s;
}
.stop-btn:hover { background: rgba(224,92,92,.22); }
.resume-btn {
  background: rgba(126,184,201,.12);
  border-color: var(--accent2);
  color: var(--accent2);
}
.resume-btn:hover { background: rgba(126,184,201,.22); }

/* ===== Mobile Responsive ===== */
.sidebar-toggle{
  display:none;
  position:fixed;
  top:14px;left:14px;
  z-index:300;
  width:38px;height:38px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r);
  color:var(--text);
  font-size:15px;
  cursor:pointer;
  align-items:center;justify-content:center;
  transition:all .2s;
}
.sidebar-toggle:hover{border-color:var(--accent);color:var(--accent);}
.sidebar-overlay{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.55);
  z-index:199;
}
.sidebar-overlay.open{display:block;}

@media(max-width:768px){
  .sidebar-toggle{display:flex;}
  .sidebar{
    position:fixed;
    left:-280px;
    top:0;
    height:100vh;
    z-index:200;
    width:260px;
    transition:left .28s cubic-bezier(.4,0,.2,1);
    box-shadow:4px 0 24px rgba(0,0,0,.4);
  }
  .sidebar.open{left:0;}
  .main{margin-left:0;width:100%;}
  .chat-header{padding-left:58px;}
  .msg{max-width:92%;}
  .input-area{padding:10px 10px 14px;}
  .cmd-bar{gap:4px;}
  .cmd-btn{font-size:11px;padding:3px 8px;}
  
  /* Timeline Mobile Optimization */
  #timelinePanel{width:100%;right:-100%;max-width:100vw;}
  #timelinePanel.open{right:0;}
  .mem-panel{width:100%;right:-100%;max-width:100vw;}
  .mem-panel.open{right:0;}
  
  /* Timeline Config Box Mobile */
  .tl-config-box{width:96vw;max-width:96vw;max-height:92vh;}
  .tl-config-body{max-height:calc(92vh - 120px);}
  .tl-config-section{padding:14px 16px;}
  .tl-config-row{flex-direction:column;align-items:flex-start;}
  .tl-config-row-ctrl{width:100%;justify-content:flex-start;}
  .tl-config-num{width:100%;}
  
  /* Timeline List Mobile */
  .tl-list{padding:12px;}
  .tl-entry{gap:8px;padding-bottom:16px;}
  .tl-dot{width:24px;height:24px;font-size:10px;}
  .tl-body{padding:10px 12px;font-size:12px;}
  .tl-summary{font-size:12px;margin-bottom:6px;}
  .tl-nouns{gap:4px;margin-bottom:4px;}
  .tl-noun-card{padding:6px 8px;}
  .tl-noun-name{font-size:11px;}
  .tl-noun-concept{font-size:10px;}
  .tl-noun-note{font-size:9px;}
  
  /* Preset/Worldbook/Persona Switch Panel Mobile */
  #presetSwitchPanel,#wbSwitchPanel,#personaSwitchPanel{width:100%;right:-100%;max-width:100vw;}
  #presetSwitchPanel.open,#wbSwitchPanel.open,#personaSwitchPanel.open{right:0;}
  
  /* Chat Header Actions Mobile */
  .chat-header-actions{gap:2px;flex-wrap:wrap;}
  .icon-btn-sm{padding:3px 4px;font-size:12px;}
  
  /* Messages Mobile */
  .messages{padding:16px 12px;gap:12px;}
  .msg{max-width:95%;}
  .msg-bubble{padding:10px 14px;font-size:13px;}
  .msg-actions{gap:4px;}
  .msg-act-btn{padding:2px 8px;font-size:10px;}
  
  /* Input Area Mobile */
  .input-row{gap:8px;}
  .msg-input{font-size:13px;padding:8px 12px;}
  .send-btn{width:38px;height:38px;font-size:14px;}
}

/* ---- Msg Cmd ---- */
.msg-cmd {
  align-self: center;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 12px;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  align-items: center;
  gap: 8px;
}
.msg-cmd-tag { color: var(--accent3); font-weight: 600; }
.msg-cmd-detail { color: var(--muted); }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
.msg-cmd{align-self:center;display:flex;align-items:center;gap:8px;background:rgba(155,126,200,.08);border:1px solid rgba(155,126,200,.3);border-radius:20px;padding:5px 14px;font-size:12px;font-family:'JetBrains Mono',monospace;max-width:90%}
.msg-cmd-tag{color:var(--accent3);font-weight:600;white-space:nowrap;flex-shrink:0}
.msg-cmd-detail{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

#timelinePanel{width:460px;right:-480px;}
#timelinePanel.open{right:0;}

/* ---- Timeline Config Box ---- */
.tl-config-box{
  position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);
  z-index:302;width:560px;max-width:96vw;max-height:88vh;
  background:var(--surface);border:1px solid var(--border);
  border-radius:14px;display:none;flex-direction:column;
  box-shadow:0 24px 60px rgba(0,0,0,.6);
  overflow:hidden;
}
.tl-config-box.open{display:flex;}
.tl-config-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--border);
  background:linear-gradient(135deg,rgba(155,126,200,.08),rgba(126,184,201,.04));
  flex-shrink:0;
}
.tl-config-title{display:flex;align-items:center;gap:12px;}
.tl-config-icon{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent3),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;flex-shrink:0;
}
.tl-config-body{flex:1;overflow-y:auto;padding:0;}
.tl-config-section{
  padding:18px 20px;
  border-bottom:1px solid var(--border);
}
.tl-config-section:last-child{border-bottom:none;}
.tl-config-section-label{
  font-size:11px;font-weight:700;color:var(--accent3);
  letter-spacing:.08em;text-transform:uppercase;
  font-family:'JetBrains Mono',monospace;
  margin-bottom:12px;display:flex;align-items:center;gap:6px;
}
.tl-config-hint{
  font-size:11px;color:var(--muted);line-height:1.6;
  font-family:'JetBrains Mono',monospace;
}
.tl-config-row{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
}
.tl-config-row-label{display:flex;flex-direction:column;gap:3px;}
.tl-config-row-label>span:first-child{font-size:13px;color:var(--text);}
.tl-config-row-ctrl{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.tl-config-num{
  width:64px;background:var(--surface2);border:1px solid var(--border);
  border-radius:var(--r);color:var(--text);font-size:14px;font-weight:700;
  padding:6px 10px;text-align:center;outline:none;
  font-family:'JetBrains Mono',monospace;
  transition:border-color .2s;
}
.tl-config-num:focus{border-color:var(--accent3);}
.tl-config-textarea{
  width:100%;background:var(--surface2);border:1px solid var(--border);
  border-radius:var(--r);color:var(--text);font-size:12px;
  font-family:'JetBrains Mono',monospace;line-height:1.7;
  padding:10px 12px;resize:vertical;outline:none;
  transition:border-color .2s;margin-top:4px;
}
.tl-config-textarea:focus{border-color:var(--accent3);}
.tl-config-textarea-lg{min-height:180px;}
.tl-config-reset-btn{
  margin-top:8px;background:transparent;
  border:1px solid var(--border);color:var(--muted);
  padding:5px 12px;border-radius:var(--r);cursor:pointer;
  font-size:11px;font-family:'JetBrains Mono',monospace;
  display:inline-flex;align-items:center;gap:6px;transition:all .2s;
}
.tl-config-reset-btn:hover{border-color:var(--accent3);color:var(--accent3);}
.tl-config-footer{
  display:flex;align-items:center;justify-content:flex-end;gap:10px;
  padding:14px 20px;border-top:1px solid var(--border);
  flex-shrink:0;background:var(--surface);
}
.tl-config-cancel{
  background:transparent;border:1px solid var(--border);
  color:var(--muted);padding:8px 18px;border-radius:var(--r);
  cursor:pointer;font-size:13px;transition:all .2s;
}
.tl-config-cancel:hover{border-color:var(--muted);color:var(--text);}
.tl-config-save{
  background:linear-gradient(135deg,var(--accent3),var(--accent2));
  border:none;color:#fff;padding:8px 20px;border-radius:var(--r);
  cursor:pointer;font-size:13px;font-weight:600;
  display:inline-flex;align-items:center;gap:7px;transition:opacity .2s;
}
.tl-config-save:hover{opacity:.85;}

/* ---- Timeline ---- */
.tl-list{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:0}
.tl-entry{display:flex;gap:12px;position:relative;padding-bottom:20px}
.tl-entry:last-child{padding-bottom:0}
.tl-entry:not(:last-child)::before{content:'';position:absolute;left:14px;top:30px;bottom:0;width:2px;background:linear-gradient(to bottom,var(--accent3),var(--border));opacity:.5}
.tl-dot{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--accent3),var(--accent2));color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-family:'JetBrains Mono',monospace;box-shadow:0 0 8px rgba(155,126,200,.4)}
.tl-body{flex:1;min-width:0;background:var(--surface2);border:1px solid var(--border);border-radius:var(--r);padding:12px 14px;transition:border-color .2s}
.tl-body:hover{border-color:var(--accent3)}
.tl-time{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px;font-size:11px;font-family:'JetBrains Mono',monospace}
.tl-story-time{color:var(--accent);background:rgba(200,169,110,.12);border:1px solid rgba(200,169,110,.2);padding:2px 8px;border-radius:10px;display:flex;align-items:center;gap:4px}
.tl-real-time{color:var(--muted);display:flex;align-items:center;gap:4px}
.tl-summary{font-size:13px;color:var(--text);line-height:1.7;white-space:pre-wrap;word-break:break-word;margin-bottom:8px}
.tl-nouns{display:flex;flex-direction:column;gap:6px;margin-bottom:6px}
.tl-nouns-header{font-size:10px;font-weight:700;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-family:'JetBrains Mono',monospace;margin-bottom:5px;display:flex;align-items:center;gap:5px}
.tl-noun-card{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:8px 10px;transition:border-color .2s}
.tl-noun-card:hover{border-color:var(--accent3)}
.tl-noun-card-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:3px}
.tl-noun-name{font-size:12px;font-weight:700;color:var(--text);font-family:'JetBrains Mono',monospace}
.tl-noun-status{font-size:10px;padding:1px 7px;border-radius:8px;display:inline-flex;align-items:center;gap:3px;font-weight:600;flex-shrink:0}
.tl-noun-new{background:rgba(92,184,92,.12);color:var(--good);border:1px solid rgba(92,184,92,.25)}
.tl-noun-updated{background:rgba(200,169,110,.12);color:var(--accent);border:1px solid rgba(200,169,110,.3)}
.tl-noun-stable{background:rgba(122,122,142,.1);color:var(--muted);border:1px solid var(--border)}
.tl-noun-concept{font-size:11px;color:var(--text);line-height:1.6;opacity:.85}
.tl-noun-note{font-size:10px;color:var(--muted);margin-top:3px;display:flex;align-items:flex-start;gap:4px;line-height:1.5}

/* ---- Ultra Mobile (< 480px) ---- */
@media(max-width:480px){
  .chat-header{padding:12px 50px 12px 12px;gap:8px;}
  .chat-title-wrap{flex:1;min-width:0;}
  .chat-title{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .chat-header-actions{gap:0;flex-wrap:nowrap;overflow-x:auto;}
  .icon-btn-sm{padding:2px 3px;font-size:11px;min-width:28px;}
  
  .messages{padding:12px 8px;gap:10px;}
  .msg{max-width:98%;}
  .msg-bubble{padding:8px 12px;font-size:12px;line-height:1.6;}
  .msg-role{font-size:10px;}
  .msg-actions{gap:3px;margin-top:4px;}
  .msg-act-btn{padding:2px 6px;font-size:9px;}
  
  .input-area{padding:8px 8px 12px;}
  .input-row{gap:6px;}
  .msg-input{font-size:12px;padding:6px 10px;}
  .send-btn{width:36px;height:36px;font-size:13px;}
  
  /* Timeline Ultra Mobile */
  .tl-list{padding:8px;}
  .tl-entry{gap:6px;padding-bottom:12px;}
  .tl-dot{width:22px;height:22px;font-size:9px;}
  .tl-body{padding:8px 10px;}
  .tl-time{font-size:10px;gap:6px;margin-bottom:6px;}
  .tl-story-time{padding:1px 6px;font-size:9px;}
  .tl-summary{font-size:11px;margin-bottom:4px;line-height:1.5;}
  .tl-nouns{gap:3px;margin-bottom:3px;}
  .tl-nouns-header{font-size:9px;margin-bottom:3px;}
  .tl-noun-card{padding:5px 8px;}
  .tl-noun-name{font-size:10px;}
  .tl-noun-status{font-size:9px;padding:0px 5px;}
  .tl-noun-concept{font-size:9px;}
  .tl-noun-note{font-size:8px;}
  
  /* Config Box Ultra Mobile */
  .tl-config-box{width:100vw;height:100vh;max-height:100vh;border-radius:0;top:0;left:0;transform:none;}
  .tl-config-header{padding:14px 16px;}
  .tl-config-body{max-height:calc(100vh - 100px);}
  .tl-config-section{padding:12px 14px;}
  .tl-config-section-label{font-size:10px;margin-bottom:10px;}
  .tl-config-hint{font-size:10px;}
  .tl-config-textarea{font-size:11px;padding:8px 10px;}
  .tl-config-textarea-lg{min-height:120px;}
  .tl-config-footer{padding:12px 14px;gap:8px;}
  .tl-config-cancel,.tl-config-save{font-size:12px;padding:6px 14px;}
}