.page-index .layout {
  display: grid;
  grid-template-columns: minmax(360px, 32vw) minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
  width: min(1680px, 100%);
  margin: 0 auto;
  height: calc(100vh - clamp(24px, 4vw, 40px));
  height: calc(100dvh - clamp(24px, 4vw, 40px));
  min-height: min(640px, calc(100vh - clamp(24px, 4vw, 40px)));
  min-height: min(640px, calc(100dvh - clamp(24px, 4vw, 40px)));
}


.page-index .chat-pane {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2vw, 20px);
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--surface-muted);
  border-radius: 20px;
  border: 1px solid var(--border-strong);
  box-shadow: 0 14px 40px -32px rgba(15, 23, 42, 0.4);
  min-height: 0;
}


.page-index .chat-pane::before {
  content: none;
}


.page-index .chat-pane__content {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1 1 auto;
  min-height: 0;
}


.page-index .chat-body {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
}


@supports (backdrop-filter: blur(18px)) {
  .page-index .chat-pane {
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    background: rgba(255, 255, 255, 0.78);
  }
}


.page-index .chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-index .status-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  min-height: 36px;
  overflow: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.page-index .status-banner.is-empty {
  min-height: 0;
  max-height: 0;
  padding: 0 14px;
  border-width: 0;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
}

.page-index .status-banner .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #94a3b8;
  box-shadow: 0 0 0 4px rgba(148, 163, 184, 0.15);
}

.page-index .status-banner[data-variant='muted'] {
  background: rgba(148, 163, 184, 0.12);
  border-color: rgba(148, 163, 184, 0.2);
  color: var(--text-muted);
}

.page-index .status-banner[data-variant='info'],
.page-index .status-banner[data-variant='progress'] {
  background: rgba(14, 165, 233, 0.12);
  border-color: rgba(14, 165, 233, 0.22);
  color: #0369a1;
}

.page-index .status-banner[data-variant='info'] .status-dot,
.page-index .status-banner[data-variant='progress'] .status-dot {
  background: var(--accent-info);
  box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.18);
}

.page-index .status-banner[data-variant='progress'] .status-dot {
  animation: pulse 1.4s ease-in-out infinite;
}

.page-index .status-banner[data-variant='success'] {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.2);
  color: #15803d;
}

.page-index .status-banner[data-variant='success'] .status-dot {
  background: var(--accent-success);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18);
}

.page-index .status-banner[data-variant='warning'] {
  background: rgba(249, 115, 22, 0.14);
  border-color: rgba(249, 115, 22, 0.25);
  color: #b45309;
}

.page-index .status-banner[data-variant='warning'] .status-dot {
  background: var(--accent-warning);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.18);
}

.page-index .status-banner[data-variant='error'] {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.24);
  color: #b91c1c;
}

.page-index .status-banner[data-variant='error'] .status-dot {
  background: var(--accent-danger);
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.18);
}

.page-index .status-banner .status-text {
  min-width: 0;
  flex: 1 1 auto;
}


.page-index .chat-header-main {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}


.page-index .chat-header h1 {
  margin: 0;
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  font-weight: 600;
  color: #1e293b;
  font-family: var(--font-display);
}


.page-index .chat-header-side {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  min-width: 0;
  position: relative;
}


.page-index .chat-header-details {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}


.page-index .chat-header-summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02), 0 1px 0 rgba(255, 255, 255, 0.8) inset;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-base);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}


.page-index .chat-header-summary:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}


.page-index .chat-header-summary .icon-settings {
  opacity: 0.6;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}


.page-index .chat-header-summary .chevron-icon {
  opacity: 0.4;
  transition: transform 0.3s ease;
}


.page-index .chat-header-summary:hover {
  border-color: #cbd5e1;
  background: #fcfdfe;
  box-shadow: 0 4px 12px -4px rgba(15, 23, 42, 0.12);
}


.page-index .chat-header-summary:hover .icon-settings {
  transform: rotate(45deg);
  opacity: 0.9;
}


.page-index .chat-header-summary::-webkit-details-marker {
  display: none;
}


.page-index .chat-header-summary::marker {
  content: '';
}


.page-index .chat-header-details[open] .chat-header-summary {
  background: #f8fafc;
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}


.page-index .chat-header-details[open] .chat-header-summary .chevron-icon {
  transform: rotate(180deg);
  opacity: 1;
}


.page-index .chat-header-controls {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 340px;
  padding: 24px;
  border-radius: 24px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 
    0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04),
    0 0 0 1px rgba(0, 0, 0, 0.05);
  animation: dropdownPop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform-origin: top right;
}


@keyframes dropdownPop {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}


.page-index .chat-header-controls::before {
  content: '';
  position: absolute;
  top: -6px;
  right: 24px;
  width: 12px;
  height: 12px;
  background: white;
  border-left: 1px solid var(--border-strong);
  border-top: 1px solid var(--border-strong);
  transform: rotate(45deg);
}


.page-index .chat-header-controls .model-selector-group {
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}


.page-index .chat-header-controls .model-selector-label {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-index .vision-toggle-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: linear-gradient(135deg, rgba(248, 250, 252, 0.95), rgba(241, 245, 249, 0.9));
}

.page-index .user-profile-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.94));
}

.page-index .user-profile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.page-index .user-profile-label {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-index .user-profile-save {
  border: 1px solid var(--border-strong);
  background: white;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-base);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-index .user-profile-save:hover:not(:disabled) {
  border-color: #cbd5e1;
  box-shadow: 0 4px 10px -6px rgba(15, 23, 42, 0.2);
  transform: translateY(-1px);
}

.page-index .user-profile-save:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.page-index .user-profile-textarea {
  width: 100%;
  min-height: 96px;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: #ffffff;
  padding: 10px 12px;
  font-size: 0.85rem;
  color: var(--text-base);
  font-family: var(--font-body);
  resize: vertical;
}

.page-index .user-profile-textarea:focus {
  outline: 2px solid rgba(59, 130, 246, 0.25);
  border-color: var(--accent-primary);
}

.page-index .user-profile-hint {
  margin: 0;
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.page-index .vision-toggle-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.page-index .vision-toggle-title {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-index .vision-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: #e2e8f0;
  color: #64748b;
}

.page-index .vision-badge.is-ok {
  background: #dcfce7;
  color: #15803d;
}

.page-index .vision-badge.is-off {
  background: #fee2e2;
  color: #b91c1c;
}

.page-index .vision-badge.is-pending {
  background: #e2e8f0;
  color: #64748b;
}

.page-index .vision-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 24px -20px rgba(15, 23, 42, 0.35);
}

.page-index .vision-toggle input {
  display: none;
}

.page-index .vision-toggle-slider {
  position: relative;
  width: 46px;
  height: 26px;
  border-radius: 999px;
  background: #e2e8f0;
  transition: background 0.2s ease;
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.5);
}

.page-index .vision-toggle-slider::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 6px 12px -6px rgba(15, 23, 42, 0.45);
  transition: transform 0.2s ease;
}

.page-index .vision-toggle input:checked + .vision-toggle-slider {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
}

.page-index .vision-toggle input:checked + .vision-toggle-slider::after {
  transform: translateX(18px);
}

.page-index .vision-toggle-label {
  font-weight: 600;
  color: #0f172a;
  letter-spacing: 0.02em;
}

.page-index .vision-toggle-hint {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}


.page-index .chat-header-controls .connection-indicator {
  width: 100%;
  justify-content: flex-start;
  background: #f1f5f9;
  border: none;
  padding: 10px 16px;
  border-radius: 12px;
}


.page-index .chat-header-controls .chat-controls {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding-top: 4px;
}


.page-index .chat-header-controls .control-button {
  width: 100%;
  height: 40px;
  border-radius: 12px;
  font-size: 0.85rem;
}


.page-index .chat-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.page-index .messages {
  position: relative;
  flex: 1 1 clamp(220px, 40vh, 440px);
  min-height: 0;
  max-height: 100%;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  scroll-behavior: smooth;
  scrollbar-gutter: stable both-edges;
  scrollbar-width: thin;
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 18px 40px -28px rgba(15, 23, 42, 0.45);
}


.page-index .messages:not(.is-empty) {
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent,
    #000 22px,
    #000 calc(100% - 22px),
    transparent
  );
  mask-image: linear-gradient(
    to bottom,
    transparent,
    #000 22px,
    #000 calc(100% - 22px),
    transparent
  );
}


.page-index .messages.is-empty::before {
  content: attr(data-empty-text);
  display: block;
  padding: 36px 20px;
  text-align: center;
  font-size: 0.92rem;
  color: #94a3b8;
  border-radius: 16px;
  border: 1.5px dashed rgba(148, 163, 184, 0.4);
  background: rgba(248, 250, 252, 0.85);
  line-height: 1.7;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}


.page-index .messages::-webkit-scrollbar {
  width: 8px;
}


.page-index .messages::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.45);
  border-radius: 999px;
}


.page-index .messages::-webkit-scrollbar-track {
  background: transparent;
}

.page-index .msg.system.compact.assistant.pending.thinking {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 14px 18px;
  border-radius: 16px;
  border: 1.5px solid rgba(99, 102, 241, 0.3);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(224, 231, 255, 0.9));
  color: #0f172a;
  box-shadow: 0 12px 28px -20px rgba(99, 102, 241, 0.45);
  animation: message-rise 0.7s cubic-bezier(0.23, 1, 0.32, 1) both;
}


.page-index .thinking-header {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}


.page-index .thinking-agent-icon {
  display: block;
  width: 42px;
  height: 42px;
  /* Lucide Icon: Bot (via Unpkg CDN) */
  background: url("https://unpkg.com/lucide-static@latest/icons/bot.svg") no-repeat center center;
  background-size: contain;
  /* Initial vibrant color setup */
  filter: sepia(100%) saturate(1000%) hue-rotate(0deg);
  animation: thinking-agent-hyper-dynamic 2s linear infinite;
  flex-shrink: 0;
}


@keyframes thinking-agent-hyper-dynamic {
  0% {
    transform: translateY(0) rotate(0deg) scale(1);
    filter: sepia(100%) saturate(1000%) hue-rotate(0deg) drop-shadow(0 0 10px rgba(255, 0, 0, 0.8));
  }
  20% {
    transform: translateY(-8px) rotate(15deg) scale(1.2);
    filter: sepia(100%) saturate(1200%) hue-rotate(72deg) drop-shadow(0 0 15px rgba(255, 255, 0, 0.9));
  }
  40% {
    transform: translateY(-12px) rotate(0deg) scale(1.3);
    filter: sepia(100%) saturate(1500%) hue-rotate(144deg) drop-shadow(0 0 25px rgba(0, 255, 0, 1.0));
  }
  60% {
    transform: translateY(-8px) rotate(-15deg) scale(1.2);
    filter: sepia(100%) saturate(1200%) hue-rotate(216deg) drop-shadow(0 0 15px rgba(0, 255, 255, 0.9));
  }
  80% {
    transform: translateY(-4px) rotate(0deg) scale(1.1);
    filter: sepia(100%) saturate(1000%) hue-rotate(288deg) drop-shadow(0 0 10px rgba(0, 0, 255, 0.8));
  }
  100% {
    transform: translateY(0) rotate(0deg) scale(1);
    filter: sepia(100%) saturate(1000%) hue-rotate(360deg) drop-shadow(0 0 10px rgba(255, 0, 255, 0.8));
  }
}


.page-index .thinking-labels {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}


.page-index .thinking-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: #4338ca;
  letter-spacing: 0.02em;
}


.page-index .thinking-sub {
  font-size: 0.78rem;
  font-weight: 500;
  color: #6366f1;
  opacity: 0.85;
}


.page-index .msg.system.compact.assistant.pending.thinking .msg-time {
  font-size: 0.72rem;
  color: #64748b;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  flex-shrink: 0;
}

@keyframes message-rise {
  0% {
    opacity: 0;
    transform: translateY(36px) scale(0.94);
    filter: blur(8px);
  }
  65% {
    opacity: 0.95;
    transform: translateY(-4px) scale(1.02);
    filter: blur(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}


.page-index .message {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-width: 92%;
  width: auto;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--text-base);
  box-shadow: none;
  backdrop-filter: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}


.page-index .message.assistant {
  align-self: flex-start;
  animation: message-rise 0.7s cubic-bezier(0.23, 1, 0.32, 1) both;
  transform-origin: left bottom;
}


.page-index .message.user {
  align-self: flex-end;
  align-items: flex-end;
  animation: message-rise 0.7s cubic-bezier(0.23, 1, 0.32, 1) both;
  transform-origin: right bottom;
}

@media (prefers-reduced-motion: reduce) {
  .page-index .message.assistant {
    animation: none;
    transform: none;
  }
}


.page-index .message__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 4px;
  margin-bottom: 2px;
  font-size: 0.75rem;
  color: var(--text-muted);
}


.page-index .message.user .message__header {
  flex-direction: row-reverse;
}


.page-index .message__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.8rem;
  font-family: var(--font-display);
}


.page-index .message__avatar {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 0.9rem;
  background: #e2e8f0;
}


.page-index .message.assistant .message__avatar {
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: #fff;
  box-shadow: 0 2px 5px rgba(99, 102, 241, 0.4);
}


.page-index .message.user .message__avatar {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: #fff;
  box-shadow: 0 2px 5px rgba(37, 99, 235, 0.4);
}


.page-index .message__badge {
  display: none;
}


.page-index .message.assistant .message__badge {
  background: rgba(99, 102, 241, 0.18);
  color: #4338ca;
}


.page-index .message.user .message__badge {
  background: rgba(14, 165, 233, 0.16);
  color: #0f172a;
}


.page-index .message__timestamp {
  font-size: 0.7rem;
  opacity: 0.7;
}


.page-index .message__body {
  position: relative;
  padding: 14px 20px;
  border-radius: 20px;
  font-size: clamp(0.95rem, 0.3vw + 0.9rem, 1.05rem);
  line-height: 1.7;
  box-shadow: 0 10px 24px -22px rgba(15, 23, 42, 0.55);
  word-break: break-word;
  max-width: 68ch;
}


.page-index .message.assistant .message__body {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(241, 245, 249, 0.95));
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-top-left-radius: 4px;
  color: #1e293b;
}


.page-index .message.user .message__body {
  background: linear-gradient(135deg, #1d4ed8, #0284c7);
  color: #ffffff;
  border: none;
  border-top-right-radius: 4px;
  box-shadow: 0 12px 28px -20px rgba(29, 78, 216, 0.55);
}


.page-index .message__body::after {
  content: none;
}


.page-index .message .bubble {
  position: relative;
  z-index: 1;
  line-height: 1.75;
  font-size: 0.98rem;
  font-family: var(--font-ui);
  color: inherit;
  word-break: break-word;
}


.page-index .message .bubble p {
  margin: 0 0 0.75em;
}


.page-index .message .bubble p:last-child {
  margin-bottom: 0;
}


.page-index .message .bubble ul,
.page-index .message .bubble ol {
  margin: 0.25em 0 0.75em 1.2em;
  padding-left: 1.1em;
}


.page-index .message .bubble li {
  margin-bottom: 0.35em;
}


.page-index .message .bubble li:last-child {
  margin-bottom: 0;
}


.page-index .message .bubble pre {
  margin: 0.5em 0;
  padding: 0.75em;
  border-radius: 12px;
  background: #0b1120;
  color: #e2e8f0;
  overflow-x: auto;
  tab-size: 2;
}


.page-index .message .bubble code {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(15, 23, 42, 0.06);
}


.page-index .message .bubble pre code {
  background: transparent;
  padding: 0;
  font-size: 0.86rem;
}


.page-index .message .bubble blockquote {
  margin: 0.6em 0;
  padding: 0.4em 0.9em;
  border-left: 3px solid rgba(59, 130, 246, 0.5);
  background: rgba(59, 130, 246, 0.08);
  color: #334155;
  border-radius: 10px;
}


.page-index .message .bubble hr {
  border: none;
  height: 1px;
  background: rgba(148, 163, 184, 0.4);
  margin: 0.9em 0;
}


.page-index .message .bubble table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.6em 0;
  font-size: 0.92rem;
}


.page-index .message .bubble th,
.page-index .message .bubble td {
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: 0.45em 0.6em;
  text-align: left;
}


.page-index .message .bubble th {
  background: rgba(226, 232, 240, 0.75);
  font-weight: 600;
}


.page-index .message .bubble img {
  max-width: 100%;
  border-radius: 12px;
  box-shadow: 0 6px 16px -12px rgba(15, 23, 42, 0.4);
}


.page-index .message .bubble a {
  color: #2563eb;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}


.page-index .message.user .message__body a {
  color: #bfdbfe;
  text-decoration: underline;
  text-decoration-thickness: 1px;
}


.page-index .message.user .message__body code {
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.15);
}


.page-index .message .bubble :where(h1, h2, h3, h4, h5, h6) {
  margin: 0.8em 0 0.5em;
  font-weight: 600;
  color: #1e293b;
  font-family: var(--font-display);
}


.page-index .message .bubble :where(h1, h2, h3) {
  border-bottom: 1px solid rgba(148, 163, 184, 0.4);
  padding-bottom: 0.2em;
}


.page-index .message.user .bubble :where(h1, h2, h3, h4, h5, h6) {
  color: #ffffff;
  border-bottom-color: rgba(255, 255, 255, 0.35);
}


.page-index .message.user .bubble blockquote {
  color: rgba(255, 255, 255, 0.85);
  border-left-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.12);
}


.page-index .message.user .bubble table {
  color: #e2e8f0;
}


.page-index .message.user .bubble th,
.page-index .message.user .bubble td {
  border-color: rgba(255, 255, 255, 0.25);
}


.page-index .message.user .bubble th {
  background: rgba(255, 255, 255, 0.15);
}


.page-index .prompt-form {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}


.page-index .prompt-form::after {
  content: none;
}


.page-index .prompt-form__field {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: end;
  padding: 8px;
  border-radius: 16px;
  border: 2px solid #cbd5e1;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}


.page-index .prompt-form__field:focus-within {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}


.page-index .prompt-form textarea {
  width: 100%;
  min-height: 72px;
  resize: vertical;
  padding: 8px 10px;
  border: none;
  border-radius: 10px;
  background: #f8fafc;
  font-size: 0.98rem;
  font-family: var(--font-ui);
  color: #1e293b;
  line-height: 1.6;
}


.page-index .prompt-form textarea:focus-visible {
  outline: none;
  background: #ffffff;
}


.page-index .prompt-form textarea::placeholder {
  color: #94a3b8;
}


.page-index .prompt-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 0.78rem;
  color: #94a3b8;
}


.page-index .hint {
  font-size: inherit;
}


.page-index .submit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #2563eb;
  color: #ffffff;
  font-size: 1.1rem;
  border: none;
  transition: background-color 0.2s ease, transform 0.2s ease;
}


.page-index .submit-button:hover {
  background: #1d4ed8;
}


.page-index .submit-button:focus-visible {
  outline: 2px solid rgba(37, 99, 235, 0.8);
  outline-offset: 2px;
}


.page-index .submit-button .button-icon {
  line-height: 1;
}


.page-index .prompt-form.is-sending .submit-button {
  transform: none;
  background: #1d4ed8;
}

@media (max-width: 1280px) {
  .page-index .layout {
    grid-template-columns: minmax(340px, 38vw) minmax(0, 1fr);
  }
}


@media (max-width: 960px) {

  .page-index .layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(320px, 60vh);
    height: auto;
    min-height: auto;
  }

  .page-index .chat-pane {
    order: 1;
    border-radius: 24px;
  }

  .page-index .browser-pane {
    order: 2;
  }
}


@media (max-width: 720px) {
  .page-index .layout {
    gap: 16px;
  }

  .page-index .chat-controls {
    width: 100%;
    justify-content: stretch;
  }

  .page-index .control-button {
    flex: 1 1 auto;
  }

  .page-index .prompt-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .page-index .submit-button {
    width: 100%;
    justify-content: center;
  }

  .page-index .hint {
    text-align: center;
  }
}

.page-index .chat-header-controls .admin-token-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-index .chat-header-controls .admin-token-label {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-index .chat-header-controls .admin-token-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: #ffffff;
  font-size: 0.85rem;
  color: var(--text-base);
}