:root {
  --bg: #120e17;
  --bg-alt: #1a1525;
  --panel: #1e1829;
  --bubble-user: #2e1d35;
  --bubble-bot: #1f192b;
  --accent: #d46a9f;
  --accent-grad: linear-gradient(135deg, #d46a9f, #b84a8a);
  --accent-dim: #a84a7a;
  --accent-glow: rgba(212, 106, 159, 0.15);
  --text: #f0ebf5;
  --text-dim: #9a8da8;
  --text-muted: #6d6278;
  --border: #2d2538;
  --border-light: #3d3348;
  --sidebar-w: 280px;
  --danger: #e05555;
  --success: #50c878;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

#app {
  display: flex;
  height: 100dvh;
  width: 100%;
}

/* ---- Sidebar ---- */
#sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
}
#sidebar.collapsed { transform: translateX(calc(-1 * var(--sidebar-w))); position: absolute; height: 100%; }
#sidebar .sb-header {
  padding: 18px 16px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
#sidebar .sb-header h2 {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
#sidebar .sb-header button {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
#sidebar .sb-header button:hover { color: var(--text); background: var(--border); }

/* Session search */
#sessionSearch {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
#sessionSearch input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  transition: border-color var(--transition);
}
#sessionSearch input:focus {
  outline: none;
  border-color: var(--accent);
}
#sessionSearch input::placeholder { color: var(--text-muted); }

#sessionList {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}
.session-item {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  transition: background var(--transition), transform var(--transition);
}
.session-item:hover { background: var(--border); }
.session-item:active { transform: scale(0.98); }
.session-item.active { background: var(--bubble-user); border-left: 3px solid var(--accent); border-radius: var(--radius-md) 6px 6px var(--radius-md); }
.session-item .si-text {
  flex: 1;
  min-width: 0;
}
.session-item .si-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.session-item .si-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
}
.session-item .si-del {
  opacity: 0;
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 16px;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  transition: opacity var(--transition), background var(--transition);
}
.session-item:hover .si-del { opacity: 1; }
.session-item .si-del:hover { background: rgba(224,85,85,0.15); }

#sidebar .sb-footer {
  padding: 8px;
  border-top: 1px solid var(--border);
}
#deleteAllBtn {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--danger);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--danger);
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
}
#deleteAllBtn:hover {
  background: rgba(224,85,85,0.1);
}

/* ---- Sidebar backdrop ---- */
#sidebarBackdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.25s ease;
}
#sidebarBackdrop.show {
  display: block;
  opacity: 1;
}

/* ---- Main area ---- */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  position: relative;
  background: var(--bg);
}
header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--panel);
  position: relative;
  z-index: 10;
  transition: box-shadow var(--transition);
}
header.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.4);
}
header .h-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
#menuBtn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 22px;
  cursor: pointer;
  padding: 4px;
  display: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
#menuBtn:hover { color: var(--text); background: var(--border); }
header h1 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
header .h-left .persona-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--accent-glow);
}
header .h-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
header button {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
header button:hover { border-color: var(--accent); color: var(--text); background: var(--accent-glow); }

/* Ollama status indicator */
#ollamaStatus {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
#ollamaStatus .status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}
#ollamaStatus .status-dot.online { background: var(--success); box-shadow: 0 0 6px rgba(80,200,120,0.4); }
#ollamaStatus .status-dot.offline { background: var(--danger); box-shadow: 0 0 6px rgba(224,85,85,0.4); }
#ollamaStatus .status-dot.checking { background: var(--text-muted); animation: pulse 1.5s ease-in-out infinite; }
@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ---- Chat ---- */
#messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
  background: radial-gradient(ellipse at 50% 0%, rgba(212,106,159,0.03) 0%, transparent 70%);
}
.msg {
  max-width: 80%;
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  line-height: 1.5;
  font-size: 15px;
  white-space: pre-wrap;
  word-wrap: break-word;
  animation: msgIn 0.25s ease both;
  position: relative;
  box-shadow: var(--shadow-sm);
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.user {
  align-self: flex-end;
  background: var(--bubble-user);
  border-bottom-right-radius: 4px;
}
.bot {
  align-self: flex-start;
  background: var(--bubble-bot);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}
.msg.system {
  align-self: center;
  background: none;
  color: var(--text-muted);
  font-size: 12px;
  padding: 4px 0;
  animation: none;
}
.msg .ts {
  font-size: 10px;
  color: var(--text-muted);
  opacity: 0.4;
  margin-top: 8px;
  display: block;
}

/* Message action bar */
.msg-actions {
  display: flex;
  gap: 4px;
  margin-top: 8px;
  opacity: 0;
  transition: opacity var(--transition);
}
.msg:hover .msg-actions { opacity: 1; }
.msg-actions button {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}
.msg-actions button:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--accent-glow);
}
.msg-actions .action-copied {
  color: var(--success);
  border-color: var(--success);
  pointer-events: none;
}

/* Token usage bar */
.token-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 16px 8px;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  background: var(--panel);
}
.token-bar span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Markdown message content */
.msg-content {
  line-height: 1.6;
}
.msg-content p { margin-bottom: 8px; }
.msg-content p:last-child { margin-bottom: 0; }
.msg-content ul, .msg-content ol { padding-left: 20px; margin-bottom: 8px; }
.msg-content li { margin-bottom: 4px; }
.msg-content code {
  background: var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  font-family: ui-monospace, "SF Mono", monospace;
}
.msg-content pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 8px;
  overflow-x: auto;
}
.msg-content pre code {
  background: none;
  padding: 0;
  font-size: 13px;
}
.msg-content strong { font-weight: 600; color: var(--text); }
.msg-content em { font-style: italic; }
.msg-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  margin-bottom: 8px;
  color: var(--text-dim);
}

/* ---- Typing indicator ---- */
.typing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
}
.typing-indicator span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
  animation: typingBounce 1.4s ease-in-out infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.3; }
  30% { transform: translateY(-7px); opacity: 1; }
}

/* ---- Empty state ---- */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  text-align: center;
  padding: 40px 20px;
}
.empty-state .es-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.25;
}
.empty-state .es-text {
  font-size: 14px;
  line-height: 1.5;
  max-width: 280px;
}
.empty-state .es-hint {
  font-size: 12px;
  margin-top: 16px;
  opacity: 0.5;
}

/* ---- Scroll to bottom ---- */
#scrollToBottom {
  position: absolute;
  bottom: 80px;
  right: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 20;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
}
#scrollToBottom.visible { display: flex; }
#scrollToBottom:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--text);
}

/* ---- Toast notifications ---- */
#toastContainer {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text);
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  transform: translateX(120%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: auto;
  max-width: 320px;
}
.toast.show { transform: translateX(0); }
.toast.error { border-color: var(--danger); }
.toast.success { border-color: var(--accent); }

/* ---- Input bar ---- */
#inputbar {
  display: flex;
  gap: 8px;
  padding: 14px 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--panel);
  align-items: flex-end;
}
#inputbar textarea {
  flex: 1;
  resize: none;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  padding: 11px 14px;
  font-size: 15px;
  font-family: inherit;
  line-height: 1.4;
  max-height: 140px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
#inputbar textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
#inputbar textarea::placeholder { color: var(--text-muted); }
#inputbar textarea:disabled { opacity: 0.4; }
#sendBtn {
  background: var(--accent-grad);
  border: none;
  color: #fff;
  padding: 11px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity var(--transition), transform 0.1s;
  box-shadow: 0 2px 8px var(--accent-glow);
}
#sendBtn:active { transform: scale(0.96); }
#sendBtn:disabled { opacity: 0.4; cursor: default; transform: none; box-shadow: none; }
#stopBtn {
  background: var(--danger);
  border: none;
  color: #fff;
  padding: 11px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: none;
  transition: opacity var(--transition);
  box-shadow: 0 2px 8px rgba(224,85,85,0.2);
}
#stopBtn:active { transform: scale(0.96); }

/* ---- Avatar Picker ---- */
#avatarPicker {
  position: fixed;
  inset: 0;
  background: var(--bg);
  background-image: radial-gradient(ellipse at 50% 0%, rgba(212,106,159,0.06) 0%, transparent 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  overflow-y: auto;
  padding: 20px;
}
#avatarPicker.hidden { display: none; }
.picker-card {
  text-align: center;
  max-width: 520px;
  width: 100%;
  animation: msgIn 0.35s ease both;
}
.picker-card h1 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 4px;
  color: var(--text);
  letter-spacing: -0.02em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.picker-card .subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.avatar-grid {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.avatar-option {
  width: 148px;
  padding: 22px 12px 18px;
  background: var(--panel);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}
.avatar-option:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.4); }
.avatar-option:active { transform: translateY(-1px); }
.avatar-option .av-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  transition: transform var(--transition);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.avatar-option:hover .av-circle { transform: scale(1.1); }
.avatar-option .av-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.avatar-option .av-desc {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.35;
}
.avatar-option .av-traits {
  margin-top: 8px;
  display: flex;
  gap: 4px;
  justify-content: center;
  flex-wrap: wrap;
}
.avatar-option .av-traits span {
  font-size: 9px;
  padding: 2px 6px;
  background: var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ---- Auth Gate ---- */
#authgate {
  position: fixed; inset: 0;
  background: var(--bg);
  background-image: radial-gradient(ellipse at 50% 40%, rgba(212,106,159,0.08) 0%, transparent 70%);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 16px;
  z-index: 400;
}
#authgate.hidden { display: none; }
#authgate .ag-lock {
  font-size: 32px;
  margin-bottom: 4px;
  opacity: 0.3;
}
#authgate input {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  width: 240px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
#authgate input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
#authgate button {
  background: var(--accent-grad);
  border: none;
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--transition);
  box-shadow: 0 2px 8px var(--accent-glow);
}
#authgate button:hover { opacity: 0.9; }

/* ---- Custom Instructions ---- */
#instrPanel {
  display: none;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  animation: slideDown 0.2s ease both;
}
#instrPanel.open { display: block; }
@keyframes slideDown {
  from { opacity: 0; max-height: 0; }
  to { opacity: 1; max-height: 300px; }
}
#instrPanel label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 6px;
}
#instrPanel textarea {
  width: 100%;
  resize: vertical;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
  min-height: 60px;
  transition: border-color 0.15s;
}
#instrPanel textarea:focus {
  outline: none;
  border-color: var(--accent);
}
#instrPanel .instr-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  align-items: center;
}
#instrPanel .instr-actions button {
  background: var(--accent);
  border: none;
  color: #fff;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
#instrPanel .instr-actions button:hover { opacity: 0.9; }
#instrPanel .instr-actions .instr-status {
  font-size: 11px;
  color: var(--text-dim);
}
#instrBtn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
}
#instrBtn:hover { border-color: var(--accent); color: var(--text); }
#instrBtn.active { border-color: var(--accent-dim); color: var(--accent); }
#instrBtn .instr-dot {
  display: none;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  position: absolute;
  top: -2px; right: -2px;
}
#instrBtn .instr-dot.show { display: block; }

/* ---- Persona Editor Modal ---- */
#personaEditor {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 300;
  backdrop-filter: blur(2px);
}
#personaEditor.hidden { display: none; }
.pe-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  animation: msgIn 0.2s ease both;
}
.pe-box h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}
.pe-box .pe-sub {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.pe-box .pe-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.pe-box .pe-list button {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.pe-box .pe-list button:hover { border-color: var(--accent); }
.pe-box .pe-list button.active { border-color: var(--accent); background: var(--bubble-user); }
.pe-box .pe-list button .pe-badge {
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 3px;
  margin-left: 4px;
  background: var(--border);
  color: var(--text-dim);
}
.pe-box .pe-form label {
  font-size: 12px;
  color: var(--text-dim);
  display: block;
  margin-bottom: 3px;
  margin-top: 10px;
}
.pe-box .pe-form label:first-child { margin-top: 0; }
.pe-box .pe-form input,
.pe-box .pe-form textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 7px 10px;
  font-size: 13px;
  font-family: inherit;
}
.pe-box .pe-form textarea { resize: vertical; min-height: 80px; }
.pe-box .pe-form input:focus,
.pe-box .pe-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.pe-box .pe-form .pe-row {
  display: flex;
  gap: 10px;
}
.pe-box .pe-form .pe-row > div { flex: 1; }
.pe-box .pe-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}
.pe-box .pe-actions button {
  flex: 1;
  padding: 8px;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}
.pe-box .pe-actions button:hover { opacity: 0.9; }
.pe-box .pe-actions .pe-save { background: var(--accent); color: #fff; }
.pe-box .pe-actions .pe-delete { background: var(--danger); color: #fff; }
.pe-box .pe-actions .pe-cancel { background: var(--border); color: var(--text); }
.pe-box .pe-actions .pe-save:disabled { opacity: 0.4; cursor: default; }

/* ---- Avatar picker custom tile ---- */
.avatar-option.custom-av {
  border-style: dashed;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.avatar-option.custom-av .av-plus {
  font-size: 32px;
  color: var(--text-dim);
  margin-bottom: 8px;
  line-height: 1;
}
.avatar-option.custom-av:hover .av-plus { color: var(--accent); }

.pick-extra {
  margin-top: 20px;
  text-align: center;
}
.pick-extra button {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.pick-extra button:hover { border-color: var(--accent); color: var(--text); }

/* ---- Inline persona creator (in picker) ---- */
#inlineCreator {
  display: none;
  text-align: left;
  animation: msgIn 0.2s ease both;
}
#inlineCreator.open { display: block; }
#inlineCreator .ic-back {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
  padding: 0;
  margin-bottom: 12px;
}
#inlineCreator .ic-back:hover { color: var(--text); }
#inlineCreator label {
  font-size: 12px;
  color: var(--text-dim);
  display: block;
  margin-bottom: 3px;
  margin-top: 10px;
}
#inlineCreator input,
#inlineCreator textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 7px 10px;
  font-size: 13px;
  font-family: inherit;
}
#inlineCreator textarea { resize: vertical; min-height: 80px; }
#inlineCreator input:focus,
#inlineCreator textarea:focus {
  outline: none;
  border-color: var(--accent);
}
#inlineCreator .ic-row {
  display: flex;
  gap: 10px;
}
#inlineCreator .ic-row > div { flex: 1; }
#inlineCreator .ic-actions {
  margin-top: 14px;
  display: flex;
  gap: 8px;
}
#inlineCreator .ic-actions button {
  flex: 1;
  padding: 8px;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
#inlineCreator .ic-actions .ic-start { background: var(--accent); color: #fff; }
#inlineCreator .ic-actions .ic-cancel { background: var(--border); color: var(--text); }

/* ---- Settings Modal ---- */
#settingsModal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 300;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
#settingsModal.hidden { display: none; }
.settings-box {
  background: var(--panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 90%;
  max-width: 400px;
  animation: msgIn 0.25s ease both;
  box-shadow: var(--shadow-lg);
}
.settings-box h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--text);
}
.settings-box .field {
  margin-bottom: 14px;
}
.settings-box .field label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 4px;
}
.settings-box .field .val {
  font-size: 14px;
  color: var(--text);
  font-family: ui-monospace, "SF Mono", monospace;
}
.settings-box .close-btn {
  margin-top: 20px;
  width: 100%;
  padding: 10px;
  background: var(--border);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background var(--transition);
}
.settings-box .close-btn:hover { background: var(--accent-dim); }

/* System prompt viewer */
#promptViewer {
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
#promptViewer summary {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  user-select: none;
}
#promptViewer summary:hover { color: var(--text-dim); }
#promptViewer pre {
  margin-top: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  font-size: 12px;
  line-height: 1.5;
  max-height: 200px;
  overflow-y: auto;
  color: var(--text-dim);
  font-family: ui-monospace, "SF Mono", monospace;
  white-space: pre-wrap;
}

/* ---- Keyboard shortcuts modal ---- */
#shortcutsModal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 300;
  backdrop-filter: blur(4px);
}
#shortcutsModal.hidden { display: none; }
.shortcuts-box {
  background: var(--panel);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 90%;
  max-width: 380px;
  animation: msgIn 0.25s ease both;
  box-shadow: var(--shadow-lg);
}
.shortcuts-box h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}
.shortcuts-box .sc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.shortcuts-box .sc-row:last-child { border-bottom: none; }
.shortcuts-box .sc-row .sc-key {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 4px;
  font-family: ui-monospace, "SF Mono", monospace;
}
.shortcuts-box .sc-row .sc-desc {
  font-size: 13px;
  color: var(--text-dim);
}
.shortcuts-box .close-btn {
  margin-top: 20px;
  width: 100%;
  padding: 10px;
  background: var(--border);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background var(--transition);
}
.shortcuts-box .close-btn:hover { background: var(--accent-dim); }

/* ---- Inline edit mode ---- */
.edit-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  min-height: 40px;
}
.edit-input:focus { outline: none; box-shadow: 0 0 0 3px var(--accent-glow); }
.edit-actions {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}
.edit-actions button {
  padding: 4px 12px;
  border: none;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.edit-actions .edit-save { background: var(--accent); color: #fff; }
.edit-actions .edit-cancel { background: var(--border); color: var(--text); }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  #sidebar {
    position: absolute;
    height: 100%;
    box-shadow: 4px 0 24px rgba(0,0,0,0.4);
  }
  #sidebar.collapsed { transform: translateX(calc(-1 * var(--sidebar-w))); }
  #sidebarBackdrop.show { display: block; }
  #menuBtn { display: block; }
  .avatar-option { width: 130px; padding: 18px 10px; }
  header .h-right button { font-size: 11px; padding: 6px 10px; }
  #inputbar { padding: 12px 12px 16px; }
  #messages { padding: 20px 14px; }
  .msg { max-width: 88%; font-size: 14px; }
  .toast { max-width: 260px; }
  .picker-card h1 { font-size: 22px; }
  #ollamaStatus { display: none; }
}
@media (max-width: 480px) {
  :root { --sidebar-w: 100%; }
  #sidebar.collapsed { transform: translateX(-100%); }
  .avatar-option { width: calc(50% - 8px); max-width: none; padding: 16px 10px; }
  .avatar-option .av-circle { width: 48px; height: 48px; font-size: 22px; }
  header .h-right button { font-size: 11px; padding: 5px 8px; }
  header .h-right button:not(#newChatBtn):not(#instrBtn):not(#ollamaStatus) { display: none; }
  #inputbar { padding: 10px 10px 14px; }
  #messages { padding: 16px 10px; }
  .msg { max-width: 92%; font-size: 14px; padding: 10px 14px; }
  .toast { max-width: 220px; font-size: 12px; }
  .pe-box { padding: 20px; }
  .settings-box { padding: 20px; }
  #instrPanel { padding: 10px 12px; }
  .picker-card h1 { font-size: 20px; }
  #ollamaStatus { display: none; }
}