:root {
  --sx-ink: #12201d;
  --sx-muted: #65736e;
  --sx-paper: #f4f1e9;
  --sx-surface: rgba(255, 255, 255, 0.86);
  --sx-line: rgba(18, 32, 29, 0.12);
  --sx-accent: #e86035;
  --sx-accent-dark: #be3e1d;
  --sx-green: #1b8b67;
  --sx-shadow: 0 22px 70px rgba(33, 45, 40, 0.12);
  --sx-radius: 26px;
}

html,
body {
  background:
    radial-gradient(
      circle at 8% 4%,
      rgba(232, 96, 53, 0.12),
      transparent 28rem
    ),
    radial-gradient(
      circle at 94% 96%,
      rgba(27, 139, 103, 0.1),
      transparent 34rem
    ),
    var(--sx-paper) !important;
}

body {
  color: var(--sx-ink) !important;
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif !important;
}

button,
input {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible {
  outline: 4px solid rgba(232, 96, 53, 0.28) !important;
  outline-offset: 3px;
}

.app-shell {
  width: min(1600px, 100%);
  height: 100dvh;
  margin: 0 auto;
  padding: 14px;
  grid-template-columns: 276px minmax(0, 1fr) !important;
  gap: 14px;
  background: transparent !important;
}

.sidebar,
.chatPanel {
  border: 1px solid var(--sx-line) !important;
  border-radius: var(--sx-radius) !important;
  background: var(--sx-surface) !important;
  box-shadow: var(--sx-shadow);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.sidebar {
  padding: 16px 12px !important;
  color: var(--sx-ink) !important;
}

.sidebar-brand {
  padding: 10px 12px 20px !important;
}

.brand-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 10px 26px rgba(18, 32, 29, 0.22);
}

.brand-icon img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.sidebar-brand strong {
  letter-spacing: -0.03em;
}

.sidebar-brand small,
.profile-button small {
  color: var(--sx-muted) !important;
}

.new-chat {
  min-height: 52px !important;
  margin-bottom: 8px;
  justify-content: center;
  border-radius: 17px !important;
  color: #fff !important;
  background: var(--sx-accent) !important;
  box-shadow: 0 10px 24px rgba(232, 96, 53, 0.22);
  font-weight: 800;
}

.new-chat:hover {
  background: var(--sx-accent-dark) !important;
}

.sidebar-nav {
  gap: 4px !important;
}

.sidebar-nav button,
.profile-button,
.conversation {
  border-radius: 15px !important;
}

.sidebar-nav button:hover,
.profile-button:hover,
.conversation:hover,
.conversation.active {
  background: rgba(18, 32, 29, 0.07) !important;
}

.sidebar-nav button i {
  color: var(--sx-accent);
}

.conversation-state {
  margin: 6px 8px;
  padding: 12px;
  border: 1px dashed var(--sx-line);
  border-radius: 14px;
  color: var(--sx-muted);
  background: rgba(255, 255, 255, 0.5);
  line-height: 1.4;
}

.conversation-state-error {
  color: #9f2f1c;
  border-color: rgba(159, 47, 28, 0.25);
  background: rgba(255, 238, 233, 0.72);
}

.font-size-control {
  margin: 8px 0;
  padding: 12px !important;
  border: 1px solid var(--sx-line) !important;
  border-radius: 18px !important;
  background: rgba(255, 255, 255, 0.58) !important;
}

.font-size-stepper button {
  background: var(--sx-ink) !important;
  color: #fff !important;
}

.profile-avatar {
  background: var(--sx-green) !important;
}

.chatPanel {
  overflow: hidden;
}

.chat-toolbar {
  min-height: 74px;
  padding: 12px 22px !important;
  border-bottom: 1px solid var(--sx-line) !important;
  background: rgba(255, 255, 255, 0.5);
}

.model-title strong {
  color: var(--sx-ink);
  font-size: 19px !important;
  letter-spacing: -0.025em !important;
}

.model-title small {
  color: var(--sx-muted) !important;
}

.status-indicator {
  border: 1px solid rgba(27, 139, 103, 0.18);
  border-radius: 999px;
  color: var(--sx-green);
  background: rgba(27, 139, 103, 0.08) !important;
  font-weight: 750;
}

#agentStatusDot.online {
  box-shadow: 0 0 0 5px rgba(27, 139, 103, 0.12);
}

#chatMessages {
  width: min(100%, 940px) !important;
  padding: 38px clamp(18px, 4vw, 56px) 24px !important;
  scrollbar-color: rgba(18, 32, 29, 0.18) transparent;
}

.message {
  color: var(--sx-ink) !important;
  letter-spacing: -0.012em;
  user-select: text;
  -webkit-user-select: text;
}

.message.user {
  border: 1px solid rgba(232, 96, 53, 0.16) !important;
  border-radius: 24px 24px 7px 24px !important;
  color: #fff !important;
  background: var(--sx-accent) !important;
  box-shadow: 0 12px 30px rgba(232, 96, 53, 0.17);
}

.message.agent {
  padding: 16px 2px !important;
}

.message.agent a {
  color: var(--sx-accent-dark);
}

.message.agent pre {
  border: 1px solid var(--sx-line);
  border-radius: 18px;
  background: #17221f;
}

.message-actions button {
  border-radius: 12px !important;
  color: var(--sx-muted) !important;
}

.message-actions .action-label {
  display: none;
}

.typing-indicator {
  color: var(--sx-accent) !important;
}

.typing-indicator[data-task-status="completed"] {
  color: var(--sx-green) !important;
}

.typing-indicator[data-task-status="waiting_confirmation"],
.typing-indicator[data-task-status="partial"] {
  color: #a35d10 !important;
}

.typing-indicator .thinking-label {
  max-width: min(72vw, 620px);
  line-height: 1.35;
}

.attachment-preview {
  width: min(calc(100% - 36px), 840px) !important;
  margin: 0 auto 8px !important;
  border: 1px solid var(--sx-line) !important;
  border-radius: 18px !important;
  background: rgba(255, 255, 255, 0.9) !important;
}

.composer-wrap {
  width: min(100%, 940px) !important;
  padding: 12px clamp(14px, 4vw, 54px) max(14px, env(safe-area-inset-bottom)) !important;
  background: linear-gradient(
    to top,
    rgba(244, 241, 233, 0.96) 55%,
    transparent
  );
}

.chat-input-area {
  min-height: 70px !important;
  padding: 9px 10px !important;
  border: 1px solid rgba(18, 32, 29, 0.15) !important;
  border-radius: 24px !important;
  background: #fff !important;
  box-shadow: 0 18px 50px rgba(33, 45, 40, 0.14) !important;
}

.chat-input-area:focus-within {
  border-color: rgba(232, 96, 53, 0.7) !important;
  box-shadow:
    0 18px 50px rgba(33, 45, 40, 0.14),
    0 0 0 5px rgba(232, 96, 53, 0.1) !important;
}

.chat-input-area input {
  color: var(--sx-ink) !important;
}

.chat-input-area input::placeholder {
  color: #87918d;
}

.attach-btn,
.voice-btn,
#sendBtn {
  width: 48px !important;
  height: 48px !important;
  flex-basis: 48px !important;
}

.attach-btn,
.voice-btn {
  color: var(--sx-ink) !important;
  background: rgba(18, 32, 29, 0.06) !important;
}

#sendBtn {
  background: var(--sx-accent) !important;
  box-shadow: 0 9px 22px rgba(232, 96, 53, 0.25);
}

.composer-note {
  color: var(--sx-muted) !important;
}

.statusPanel,
.data-drawer {
  border: 1px solid var(--sx-line) !important;
  border-radius: 26px !important;
  background: rgba(252, 250, 245, 0.98) !important;
  box-shadow: 0 30px 90px rgba(18, 32, 29, 0.22) !important;
}

.data-drawer-kicker {
  color: var(--sx-accent) !important;
}

.context-box,
.permission-row,
.memory-item,
.tool-card,
.work-center-card {
  border-color: var(--sx-line) !important;
  border-radius: 18px !important;
  background: #fff !important;
}

.mobile-command-bar {
  display: none;
}

@media (max-width: 900px) {
  .app-shell {
    display: block !important;
    padding: 0 !important;
  }

  .chatPanel {
    height: 100dvh !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    background:
      radial-gradient(
        circle at 100% 0%,
        rgba(232, 96, 53, 0.08),
        transparent 22rem
      ),
      #fbfaf6 !important;
  }

  .sidebar {
    top: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    width: min(88vw, 390px) !important;
    z-index: 120 !important;
    border: 0 !important;
    border-radius: 0 28px 28px 0 !important;
    background: rgba(250, 248, 242, 0.98) !important;
    overflow-y: auto !important;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .sidebar-nav,
  .sidebar-section,
  .profile-button {
    flex: 0 0 auto;
  }

  .sidebar-section {
    min-height: 180px;
    overflow: visible;
    scroll-margin-top: 12px;
  }

  .chat-toolbar {
    min-height: 68px !important;
    padding: max(9px, env(safe-area-inset-top)) 12px 8px !important;
    background: rgba(251, 250, 246, 0.86) !important;
    backdrop-filter: blur(18px);
  }

  .mobile-menu {
    width: 46px;
    height: 46px;
    display: grid !important;
    place-items: center;
    border-radius: 15px;
    color: var(--sx-ink);
    background: rgba(18, 32, 29, 0.06) !important;
  }

  .model-title small {
    display: none !important;
  }

  #chatMessages {
    padding: 24px 16px !important;
    scroll-padding-bottom: calc(var(--sx-mobile-occupied-height, 230px) + 24px);
  }

  #chatMessages::after {
    content: "";
    width: 100%;
    min-height: calc(var(--sx-mobile-occupied-height, 230px) + 24px);
    flex: 0 0 calc(var(--sx-mobile-occupied-height, 230px) + 24px);
    pointer-events: none;
  }

  .composer-wrap {
    position: fixed;
    right: 0;
    bottom: calc(70px + env(safe-area-inset-bottom));
    left: 0;
    z-index: 60;
    padding: 10px 12px !important;
    background: linear-gradient(to top, #fbfaf6 72%, transparent) !important;
  }

  .search-mode-bar {
    width: 100%;
    margin-bottom: 7px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .search-mode-bar::-webkit-scrollbar {
    display: none;
  }

  .search-mode {
    flex: 0 0 auto;
    min-height: 42px;
  }

  .chat-input-area {
    min-height: 62px !important;
    border-radius: 22px !important;
  }

  .message-actions button[data-action="copy"] {
    width: auto !important;
    min-width: 112px;
    height: 46px !important;
    padding: 0 14px;
    gap: 8px;
    border: 1px solid var(--sx-line);
    background: rgba(255, 255, 255, 0.72);
    font-size: 16px;
    font-weight: 800;
  }

  .message-actions button[data-action="copy"] .action-label {
    display: inline;
  }

  .composer-note {
    display: none;
  }

  .mobile-command-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 70;
    min-height: calc(70px + env(safe-area-inset-bottom));
    padding: 7px 8px max(7px, env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 4px;
    border-top: 1px solid var(--sx-line);
    background: rgba(252, 250, 245, 0.94);
    box-shadow: 0 -14px 40px rgba(33, 45, 40, 0.08);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
  }

  .mobile-command-bar button {
    min-width: 0;
    min-height: 54px;
    padding: 5px 2px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border: 0;
    border-radius: 15px;
    color: var(--sx-muted);
    background: transparent;
    font-size: 12px;
    font-weight: 800;
  }

  .mobile-command-bar button i {
    font-size: 20px;
  }

  .mobile-command-bar button.active {
    color: var(--sx-accent);
    background: rgba(232, 96, 53, 0.1);
  }

  .data-drawer {
    width: 100vw !important;
    max-width: none !important;
    border-radius: 24px 24px 0 0 !important;
  }

  .statusPanel {
    top: 8px !important;
    right: 8px !important;
    bottom: 8px !important;
    width: calc(100vw - 16px) !important;
    max-width: none !important;
  }
}

@media (max-width: 520px) {
  .model-title strong {
    font-size: 17px !important;
  }

  #agentStatusText {
    display: none !important;
  }

  .status-indicator {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    padding: 0 !important;
  }

  .user-turn {
    max-width: 92% !important;
  }

  .message.user {
    padding: 13px 16px !important;
  }

  .attach-btn,
  .voice-btn,
  #sendBtn {
    width: 44px !important;
    height: 44px !important;
    flex-basis: 44px !important;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .message,
  .data-drawer,
  .statusPanel {
    animation: sx-rise 220ms ease-out;
  }

  @keyframes sx-rise {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}