:root {
  /* Default Night Theme (Grey) */
  --bg-primary: #212121;
  --bg-sidebar: #171717;
  --bg-composer: #1a1a1a;
  --bg-input: #2f2f2f;
  --bg-hover: #2a2a2a;
  --bg-active: #343434;
  --text-primary: #ececec;
  --text-secondary: #b4b4b4;
  --text-muted: #8e8e8e;
  --border: #424242;
  --accent: #10a37f;
  --profile-avatar-bg: #303030;
  --sidebar-width: 260px;
  --content-max: 768px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-sidebar: #f9f9f9;
  --bg-composer: #ffffff;
  --bg-input: #f4f4f4;
  --bg-hover: #f0f0f0;
  --bg-active: #e5e5e5;
  --text-primary: #0d0d0d;
  --text-secondary: #4d4d4d;
  --text-muted: #8e8e8e;
  --border: #e5e5e5;
  --profile-avatar-bg: #e5e5e5;
}

[data-theme="night"] {
  --bg-primary: #212121;
  --bg-sidebar: #171717;
  --bg-composer: #1a1a1a;
  --bg-input: #2f2f2f;
  --bg-hover: #2a2a2a;
  --bg-active: #343434;
  --text-primary: #ececec;
  --text-secondary: #b4b4b4;
  --text-muted: #8e8e8e;
  --border: #424242;
  --profile-avatar-bg: #303030;
}

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

html, body {
  height: 100dvh;
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

/* App-like: disable text selection on mobile, custom selection color on desktop */
@media (max-width: 768px) {
  body, .app, .main, .sidebar, .messages-wrap, .thread, .turn,
  .composer-wrap, .sidebar-header, .sidebar-body, .sidebar-footer,
  .welcome, .profile-wrap {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
  }
  /* Allow selection in text inputs and code blocks */
  input, textarea, pre, code, .dialog-input, .composer-field,
  #promptInput, .turn-content pre, .turn-content code {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
  }
}

/* Custom text selection color */
::selection {
  background: rgba(16, 163, 127, 0.35);
  color: #fff;
}
::-moz-selection {
  background: rgba(16, 163, 127, 0.35);
  color: #fff;
}

* {
  scrollbar-width: thin;
  scrollbar-color: #4a4a4a transparent;
}

*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

*::-webkit-scrollbar-thumb {
  background: #4a4a4a;
  border-radius: 4px;
}

*::-webkit-scrollbar-thumb:hover {
  background: #5c5c5c;
}

.hidden { display: none !important; }

/* Splash */
.splash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s;
}

.splash.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  display: none !important;
}

.splash-logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
  animation: splashPulse 2s infinite ease-in-out;
}

@keyframes splashPulse {
  0% { transform: scale(0.9); opacity: 0.8; filter: drop-shadow(0 0 10px rgba(16, 163, 127, 0.5)); }
  50% { transform: scale(1.1); opacity: 1; filter: drop-shadow(0 0 20px rgba(16, 163, 127, 0.8)); }
  100% { transform: scale(0.9); opacity: 0.8; filter: drop-shadow(0 0 10px rgba(16, 163, 127, 0.5)); }
}

/* ===== Auth Screen ===== */
.auth-screen {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  padding: 40px 24px;
  gap: 60px;
}

/* Left: Landing / Feature Panel */
.landing-content {
  flex: 1;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.landing-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.landing-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.landing-brand-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
}

.landing-title {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin: 0;
}

.landing-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.landing-features {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.landing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
}

.feature-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* Right: Auth Panel */
.auth-panel {
  flex-shrink: 0;
  width: 100%;
  max-width: 420px;
}

.auth-card {
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
}

.auth-header {
  text-align: center;
  margin-bottom: 24px;
}

.auth-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  margin-bottom: 12px;
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 4px;
}

.auth-tagline {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
}

/* Tabs */
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  background: var(--bg-input);
  border-radius: 10px;
  padding: 4px;
}

.auth-tab {
  flex: 1;
  padding: 9px 12px;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.auth-tab.active {
  background: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

/* Form */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.auth-field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.auth-field-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.auth-field input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-field input::placeholder {
  color: var(--text-muted);
}

.auth-field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(16, 163, 127, 0.12);
}

/* Password wrapper inside auth form & modals */
.password-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.password-input-wrap input {
  width: 100%;
  padding: 11px 42px 11px 14px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.password-input-wrap input::placeholder {
  color: var(--text-muted);
}

.password-input-wrap input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(16, 163, 127, 0.12);
}

.btn-toggle-password {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  z-index: 2;
  transition: color 0.15s;
}

.btn-toggle-password:hover {
  color: var(--text-primary);
}

/* Forgot password */
.btn-forgot-password {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
  margin-top: 6px;
  text-align: right;
  transition: opacity 0.15s;
  align-self: flex-end;
}

.btn-forgot-password:hover {
  opacity: 0.75;
  text-decoration: underline;
}

/* Checkbox */
.auth-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1.4;
}

.auth-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
  accent-color: var(--accent);
  cursor: pointer;
}

.auth-checkbox a {
  color: var(--accent);
  text-decoration: none;
}

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

/* Error */
.auth-error {
  color: #f87171;
  font-size: 0.83rem;
  min-height: 1.2em;
  margin: 0;
}

/* Submit Button */
.btn-auth-submit {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.2s, transform 0.1s;
  margin-top: 2px;
}

.btn-auth-submit:hover {
  filter: brightness(1.1);
}

.btn-auth-submit:active {
  transform: scale(0.98);
}

/* Keep old .btn-primary working elsewhere */
.btn-primary {
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
}

.btn-primary:hover { filter: brightness(1.1); }

/* Responsive */
@media (max-width: 820px) {
  .auth-screen {
    flex-direction: column;
    gap: 24px;
    padding: 24px 20px;
    overflow-y: auto;
    align-items: flex-start;
  }
  .landing-content {
    max-width: 100%;
  }
  .landing-title {
    font-size: 1.8rem;
  }
  .landing-features li {
    padding: 10px 14px;
  }
  .auth-panel {
    max-width: 100%;
  }
}

@media (max-width: 540px) {
  .landing-features {
    display: none;
  }
  .landing-sub {
    display: none;
  }
  .auth-card {
    padding: 24px 20px;
    border-radius: 12px;
  }
}


/* App layout */
.app {
  display: flex;
  height: 100dvh;
  overflow: hidden;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}

.app.sidebar-collapsed .sidebar {
  width: 0;
  min-width: 0;
  overflow: hidden;
  border-right: none;
  padding: 0;
}

.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  transition: width 0.25s ease, min-width 0.25s ease;
  min-height: 0;
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-search-wrap {
  padding: 8px 12px 0;
  flex-shrink: 0;
}

.sidebar-search {
  width: 100%;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.875rem;
}

.sidebar-search:focus {
  outline: none;
  border-color: var(--text-muted);
}

.sidebar-search::placeholder {
  color: var(--text-muted);
}

.sidebar-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 12px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand {
  flex: 1;
  font-weight: 600;
  font-size: 0.95rem;
}

.sidebar-top {
  padding: 12px;
}

.btn-new-chat {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.9rem;
}

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

.sidebar-section-grow {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 0 8px;
}

.sidebar-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 8px 8px 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.chat-list {
  flex: 1;
  overflow-y: auto;
  padding-bottom: 8px;
}

.sidebar-empty {
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 12px 8px;
}

.chat-row {
  position: relative;
  display: flex;
  align-items: center;
  border-radius: 8px;
  margin-bottom: 2px;
}

.chat-row:hover { background: var(--bg-hover); }
.chat-row.active { background: var(--bg-active); }

.chat-item {
  flex: 1;
  padding: 10px 36px 10px 12px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  text-align: left;
  font-size: 0.875rem;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-menu-btn {
  position: absolute;
  right: 4px;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0;
}

.chat-row:hover .chat-menu-btn { opacity: 1; }
.chat-menu-btn:hover { background: var(--bg-active); color: var(--text-primary); }

.chat-dropdown {
  position: absolute;
  right: 4px;
  top: 100%;
  z-index: 50;
  min-width: 120px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.chat-dropdown-item {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-primary);
  text-align: left;
  font-size: 0.85rem;
  cursor: pointer;
}

.chat-dropdown-item:hover { background: var(--bg-hover); }
.chat-dropdown-item.danger { color: #f87171; }

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  margin-top: auto;
}

.profile-wrap { position: relative; }

.profile-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
}

.profile-btn:hover { background: var(--bg-hover); }

.profile-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--profile-avatar-bg, #303030);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.profile-name {
  font-size: 0.875rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.profile-menu {
  position: absolute;
  bottom: 100%;
  left: 0;
  right: 0;
  margin-bottom: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.profile-menu-email {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 4px 8px 8px;
  word-break: break-all;
}

.profile-menu-item {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
  font-size: 0.875rem;
}

.profile-menu-item:hover { background: var(--bg-hover); }
.profile-menu-danger { color: #f87171; }

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}

.btn-icon:hover { background: var(--bg-hover); color: var(--text-primary); }

/* Main */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-width: 0;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.btn-float-sidebar {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-primary);
  backdrop-filter: blur(8px);
  color: var(--text-secondary);
  cursor: pointer;
}

.btn-float-sidebar:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  padding: 40px 24px;
  text-align: center;
  max-width: var(--content-max);
  margin: 0 auto;
}

.welcome-img {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
}

.welcome-sub {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 600px;
}

.suggestion {
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
}

.suggestion:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

#btnSidebarOpen { display: none; }
.app.sidebar-collapsed #btnSidebarOpen { display: flex; }

.btn-history-toggle { margin-left: auto; }
.app.sidebar-collapsed .btn-history-toggle { display: none; }
/* Messenger-style bubbles */
.thread {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 16px 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-sizing: border-box;
}

.turn {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  max-width: 100%;
  width: 100%;
  box-sizing: border-box;
}

.turn-user {
  flex-direction: row-reverse;
  justify-content: flex-start;
}

.turn-assistant {
  justify-content: flex-start;
}

.turn-avatar {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  font-size: 13px;
  font-weight: 600;
  margin-top: 4px;
}

.turn-avatar-user {
  background: var(--profile-avatar-bg);
  color: var(--text-primary);
}

.turn-avatar-user img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.turn-avatar-ai {
  background: transparent;
  border: 1px solid var(--border);
}

.turn-avatar-ai.generating img {
  animation: chatGptBreathe 1s infinite ease-in-out;
}

@keyframes chatGptBreathe {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.6); opacity: 0.8; }
}

.turn-avatar-ai img {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.turn-col {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.turn-user .turn-col {
  align-items: flex-end;
}

.turn-assistant .turn-col {
  align-items: flex-start;
}

.turn-sender {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
  padding: 0 4px;
}

.bubble {
  padding: 4px 0;
  font-size: 16px;
  line-height: 1.6;
  word-break: break-word;
  overflow-wrap: anywhere;
  position: relative;
  border: none !important;
  box-shadow: none !important;
  max-width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}

.turn-user .bubble {
  min-width: 0;
  max-width: 100%;
  overflow-x: hidden;
  background: transparent !important;
  color: var(--text-primary) !important;
}

.turn-assistant .bubble {
  min-width: 0;
  max-width: 100%;
  overflow-x: hidden;
  background: transparent !important;
  color: var(--text-primary) !important;
}

.bubble-user-text {
  white-space: pre-wrap;
  word-break: break-all;
  overflow-wrap: anywhere;
  max-width: 100%;
}

.turn-content {
  font-size: 15px;
  line-height: 1.55;
}

.bubble-typing {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 14px 18px;
  min-width: 64px;
}

.typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typingBounce 1.2s ease-in-out infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.15s; }
.typing-dot:nth-child(3) { animation-delay: 0.3s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-5px); opacity: 1; }
}

.msg-actions {
  display: flex;
  gap: 4px;
  margin-top: 4px;
  padding: 0 2px;
  opacity: 0;
  transition: opacity 0.15s;
}

.turn-assistant:hover .msg-actions,
.turn-assistant .msg-actions:focus-within {
  opacity: 1;
}

.msg-action-btn {
  border: none;
  background: var(--bg-hover);
  color: var(--text-secondary);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
}

.msg-action-btn:hover {
  background: var(--bg-active);
  color: var(--text-primary);
}
.turn-content p { margin-bottom: 10px; }
.turn-content p:last-child { margin-bottom: 0; }
.turn-content ul, .turn-content ol { margin: 0 0 10px 1.25em; }
.turn-content pre {
  position: relative; margin: 10px 0; padding: 12px;
  border-radius: 8px; background: var(--bg-input); overflow-x: auto;
  max-width: 100%; box-sizing: border-box;
}
.turn-content code { font-family: ui-monospace, monospace; font-size: 0.875em; }
.turn-content :not(pre) > code {
  padding: 2px 6px; border-radius: 4px; background: var(--bg-hover);
  word-break: break-word; white-space: pre-wrap;
}
.turn-content pre code { padding: 0; background: none; }
.copy-btn {
  position: absolute; top: 8px; right: 8px; padding: 4px 10px;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg-input); color: var(--text-secondary);
  font-size: 0.75rem; cursor: pointer; opacity: 0.85; transition: opacity 0.15s;
  z-index: 5;
}
.copy-btn:hover { opacity: 1; }
.typing-cursor::after {
  content: "\25A0"; animation: blink 0.8s step-end infinite;
  color: var(--accent); margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

.btn-temp-chat {
  display: flex; align-items: center; gap: 10px; width: 100%;
  margin-top: 8px; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 8px; background: transparent; color: var(--text-secondary);
  cursor: pointer; font-size: 0.9rem;
}
.btn-temp-chat:hover { background: var(--bg-hover); color: var(--text-primary); }
.sidebar-section {
  padding: 0 8px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.chat-row.temp .chat-item { font-style: italic; color: var(--text-secondary); }
.composer { max-width: 680px; margin: 0 auto; }
.composer-inner { display: flex; align-items: center; gap: 8px; padding: 10px 14px;
  border: 1px solid var(--border); border-radius: 24px; background: var(--bg-input); }
.composer-field { position: relative; flex: 1; min-width: 0; }
.composer-ph {
  position: absolute; left: 0; right: 12px; top: 50%; transform: translateY(-50%);
  text-align: left; color: var(--text-muted); font-size: 16px; pointer-events: none;
}
.composer-ph.hidden { display: none; }
#promptInput {
  width: 100%; border: none; background: transparent; color: var(--text-primary);
  font-size: 16px; line-height: 1.5; resize: none; max-height: 200px; outline: none;
  font-family: inherit; text-align: left; padding-left: 0;
}
.btn-attach {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border: none; border-radius: 50%;
  background: transparent; color: var(--text-secondary); cursor: pointer; flex-shrink: 0;
}
.btn-attach:hover { background: var(--bg-hover); color: var(--text-primary); }
.attachment-preview {
  display: flex; flex-wrap: wrap; gap: 8px;
  max-width: 680px; margin: 0 auto 8px; padding: 0 4px;
  max-height: 120px;
  overflow-y: auto;
}
.attach-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 16px;
  background: rgba(16, 163, 127, 0.1); border: 1px solid rgba(16, 163, 127, 0.3);
  font-size: 12px; color: var(--text-primary);
}
.attach-chip button {
  border: none; background: transparent; color: var(--text-muted);
  cursor: pointer; font-size: 16px; line-height: 1;
}
.msg-attachment { display: block; margin-bottom: 8px; }
.msg-attachment img {
  max-width: min(220px, 100%);
  max-height: 180px;
  border-radius: 10px;
  border: 1px solid var(--border);
  object-fit: cover;
}
.msg-attachment.file {
  display: inline-block; padding: 4px 10px; margin-bottom: 6px;
  border-radius: 8px; background: rgba(255,255,255,0.12);
  color: inherit; text-decoration: none; font-size: 13px;
}
.profile-avatar img {
  width: 100%; height: 100%; object-fit: cover; border-radius: 50%;
}
.btn-mic {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border: none; border-radius: 50%;
  background: transparent; color: var(--text-secondary); cursor: pointer; flex-shrink: 0;
}
.btn-mic:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-mic.listening { color: #ef4444; }
.btn-go-talk {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border: none; border-radius: 50%;
  background: transparent; color: var(--text-secondary); cursor: pointer; flex-shrink: 0;
}
.btn-go-talk:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-go-talk.active { color: var(--accent, #10a37f); background: rgba(16, 163, 127, 0.1); }
.profile-menu-item { display: flex; align-items: center; gap: 8px; }
.toggle-pill {
  width: 36px; height: 20px; border-radius: 10px; background: var(--border);
  position: relative; margin-left: auto;
}
.toggle-pill::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform 0.2s;
}
.toggle-pill.on { background: var(--accent); }
.toggle-pill.on::after { transform: translateX(16px); }
.settings-label select {
  display: block; width: 100%; margin-top: 6px; padding: 8px 10px;
  border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-input); color: var(--text-primary); font-size: 14px;
}

/* Composer */
.composer-wrap {
  flex-shrink: 0;
  width: 100%;
  max-width: var(--content-max);
  padding: 12px 16px 20px;
  background: transparent;
  border-top: none;
  margin: 0 auto;
}
.btn-send {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border: none; border-radius: 50%;
  background: var(--accent); color: #fff; cursor: pointer; flex-shrink: 0;
}
.btn-send:disabled { opacity: 0.4; cursor: not-allowed; }
.composer-hint {
  text-align: center; font-size: 0.75rem; color: var(--text-muted); margin-top: 8px;
}

.btn-dialog-danger {
  background: #ef4444;
  border-color: #ef4444;
  color: white;
}

.btn-dialog-primary {
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  color: #fff;
  cursor: pointer;
}

.settings-card { max-width: 400px; }
.settings-hint { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; }
.settings-label {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  text-align: left;
}
.settings-label input[type="text"],
.settings-label input[type="file"] {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 14px;
}
.settings-label input[type="color"] {
  display: block;
  width: 100%;
  margin-top: 6px;
  height: 36px;
  border: none;
  background: transparent;
  cursor: pointer;
}
.settings-preview {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  margin-bottom: 12px;
  border-radius: 8px;
  background: var(--bg-hover);
}
.settings-preview-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--profile-avatar-bg, #303030);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  overflow: hidden;
}
.settings-preview-avatar img { width: 100%; height: 100%; object-fit: cover; }

.admin-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}
.admin-stat {
  padding: 12px;
  border-radius: 8px;
  background: var(--bg-hover);
  text-align: center;
}
.admin-stat strong { display: block; font-size: 22px; margin-bottom: 4px; }
.admin-stat span { font-size: 12px; color: var(--text-muted); }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-input);
  border: 1px solid var(--accent);
  color: var(--text-primary);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13px;
  z-index: 1100;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.admin-stat span { font-size: 12px; color: var(--text-muted); }

.admin-panel-card { max-width: 520px; max-height: 85vh; overflow-y: auto; }
.admin-reports-title {
  font-size: 14px;
  margin: 14px 0 8px;
  text-align: left;
}
.admin-reports-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 280px;
  overflow-y: auto;
  margin-bottom: 12px;
}
.admin-report-item {
  text-align: left;
  padding: 10px;
  border-radius: 8px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
}
.admin-report-item.fixed { opacity: 0.55; }
.admin-report-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.admin-report-text {
  font-size: 13px;
  margin-bottom: 8px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 80px;
  overflow: hidden;
}
.admin-report-actions { display: flex; gap: 6px; }
.btn-fix-report, .btn-edit-report, .btn-reply-chat {
  border: none;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
}
.btn-fix-report {
  background: var(--accent);
  color: #fff;
  border: none;
}
.btn-fix-report:disabled, .btn-edit-report:disabled, .btn-reply-chat:disabled {
  opacity: 0.5;
  cursor: default;
}

/* Banner Mode */
.dialog-overlay.banner-mode {
  position: fixed;
  top: auto;
  bottom: 0;
  background: transparent;
  backdrop-filter: none;
  align-items: flex-end;
  padding: 16px;
  pointer-events: none;
}
.dialog-overlay.banner-mode .dialog-card {
  pointer-events: auto;
  margin: 0 auto;
  width: 100%;
  max-width: 680px;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.2);
  border: 1px solid var(--accent);
}

/* Go Talk Screen */
.go-talk-screen {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.go-talk-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 1;
}
.go-talk-orb {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent) 0%, rgba(16,163,127,0) 70%);
  animation: orbPulse 3s ease-in-out infinite alternate;
  opacity: 0.6;
  filter: blur(40px);
}
@keyframes orbPulse {
  0% { transform: scale(0.8); opacity: 0.4; }
  100% { transform: scale(1.5); opacity: 0.8; }
}
.go-talk-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 600px;
  padding: 24px;
  text-align: center;
  height: 100%;
}
.go-talk-header {
  width: 100%;
  display: flex;
  justify-content: flex-end;
  padding-top: 12px;
}
.go-talk-status {
  font-size: 18px;
  color: var(--text-muted);
  margin-top: auto;
  margin-bottom: 24px;
}
.go-talk-transcript {
  font-size: 24px;
  line-height: 1.4;
  color: var(--text-primary);
  min-height: 100px;
  margin-bottom: auto;
  word-break: break-word;
}

.messages-wrap {
  flex: 1;
  width: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding-top: 52px;
}

.api-keys-list {
  margin: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 240px;
  overflow-y: auto;
}

.api-key-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  font-size: 0.85rem;
}

.api-key-row code {
  color: var(--text-muted);
}

.btn-revoke-key {
  border: none;
  background: transparent;
  color: #f87171;
  cursor: pointer;
  font-size: 0.8rem;
  flex-shrink: 0;
}
/* Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 100;
}

.sidebar-overlay.visible { display: block; }

/* Dialog */
.dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.6);
  padding: 24px;
}

.dialog-card {
  width: 100%;
  max-width: 400px;
  padding: 24px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.dialog-card h3 { margin-bottom: 8px; }
.dialog-card p { color: var(--text-secondary); margin-bottom: 16px; }

.dialog-input {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-primary);
  color: var(--text-primary);
}

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

.btn-dialog-secondary,
.btn-dialog-danger {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-dialog-secondary {
  background: transparent;
  color: var(--text-primary);
}

.btn-dialog-danger {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
}

.global-loader {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.global-loader-logo {
  width: 50px;
  height: 50px;
  object-fit: contain;
  animation: loadingLogo 1.5s ease-in-out infinite;
}

@keyframes loadingLogo {
  0% { transform: scale(1) rotate(0deg); opacity: 1; }
  50% { transform: scale(0.85) rotate(180deg); opacity: 0.6; }
  100% { transform: scale(1) rotate(360deg); opacity: 1; }
}

.turn-avatar-ai.generating img {
  animation: loadingLogo 2s ease-in-out infinite;
}
@media (max-width: 768px) {
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 200;
    width: var(--sidebar-width) !important;
    min-width: var(--sidebar-width) !important;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .sidebar.open {
    transform: translateX(0);
    width: var(--sidebar-width) !important;
    min-width: var(--sidebar-width) !important;
  }
  .app.sidebar-collapsed .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width) !important;
    min-width: var(--sidebar-width) !important;
  }
  .btn-float-sidebar { top: 8px; left: 8px; width: 36px; height: 36px; }
  .messages-wrap { padding-top: 48px; }
  .composer-wrap { padding-bottom: 16px; }

  .composer-inner { padding: 8px; gap: 4px; }
  .btn-attach, .btn-mic, .btn-go-talk, .btn-send { width: 32px; height: 32px; }

  /* Wider turns on mobile */
  .app {
    padding-top: max(32px, env(safe-area-inset-top, 32px));
    padding-bottom: max(24px, env(safe-area-inset-bottom, 24px));
  }
  .turn-col {
    max-width: 100%;
    min-width: 0;
  }

  /* Thinner scrollbar on mobile at the edge */
  .messages-wrap::-webkit-scrollbar {
    width: 4px;
  }
  .messages-wrap {
    scrollbar-width: thin;
  }
}

*::-webkit-scrollbar-corner { background: transparent; }