.cyber-atu-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.cyber-atu-launcher {
  position: fixed;
  z-index: 115;
  right: max(22px, env(safe-area-inset-right));
  bottom: max(22px, env(safe-area-inset-bottom));
  min-height: 48px;
  padding: 7px 13px 7px 9px;
  border: 1px solid color-mix(in srgb, var(--accent) 32%, var(--line));
  border-radius: 17px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: color-mix(in srgb, var(--paper-strong) 92%, transparent);
  color: var(--ink);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.16);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
  cursor: pointer;
  transition: opacity 180ms ease, transform 220ms var(--ease-out), border-color 180ms ease, box-shadow 220ms ease;
}

.cyber-atu-launcher:hover {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--line));
  box-shadow: 0 22px 56px rgba(0, 0, 0, 0.21);
  transform: translateY(-2px);
}

.cyber-atu-launcher:active {
  transform: scale(0.98);
}

.cyber-atu-launcher img {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
}

.cyber-atu-launcher-label {
  min-width: 0;
  display: grid;
  gap: 1px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 680;
  letter-spacing: -0.02em;
  line-height: 1;
  text-align: left;
}

.cyber-atu-launcher-label span {
  display: block;
  white-space: nowrap;
}

.cyber-atu-dialog {
  position: fixed;
  z-index: 1000;
  inset: auto max(22px, env(safe-area-inset-right)) max(22px, env(safe-area-inset-bottom)) auto;
  width: min(468px, calc(100vw - 44px));
  height: min(720px, calc(100dvh - 44px));
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  background: var(--paper-strong);
  color: var(--ink);
  box-shadow: 0 34px 84px rgba(0, 0, 0, 0.28);
}

.cyber-atu-dialog[open] {
  animation: cyber-atu-enter 320ms var(--ease-out) both;
}

.cyber-atu-dialog::backdrop {
  background: rgba(7, 11, 20, 0.36);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.cyber-atu-shell {
  min-width: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 16% 0%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 34%),
    var(--paper-strong);
}

.cyber-atu-header {
  min-height: 76px;
  padding: 15px 16px 14px 18px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: color-mix(in srgb, var(--paper-strong) 91%, transparent);
}

.cyber-atu-identity,
.cyber-atu-header-actions {
  display: flex;
  align-items: center;
}

.cyber-atu-identity {
  min-width: 0;
  gap: 11px;
}

.cyber-atu-identity img {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
}

.cyber-atu-identity h2 {
  font-size: 17px;
  font-weight: 690;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.cyber-atu-identity h2 span {
  margin-left: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0;
}

.cyber-atu-header-actions {
  flex: 0 0 auto;
  gap: 10px;
}

.cyber-atu-connection {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.cyber-atu-connection::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  content: "";
}

.cyber-atu-connection[data-state="online"]::before {
  background: var(--status-green);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--status-green) 14%, transparent);
}

.cyber-atu-connection[data-state="offline"]::before,
.cyber-atu-connection[data-state="error"]::before {
  background: var(--status-red);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--status-red) 14%, transparent);
}

.cyber-atu-close {
  min-height: 44px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper-soft);
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 620;
  cursor: pointer;
}

.cyber-atu-close:hover {
  border-color: var(--line-strong);
  color: var(--ink);
}

.cyber-atu-feed {
  min-height: 0;
  padding: 24px 20px 30px;
  overflow-x: hidden;
  overflow-y: auto;
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 18px;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  scrollbar-color: color-mix(in srgb, var(--muted) 46%, transparent) transparent;
  scrollbar-width: thin;
}

.cyber-atu-feed::-webkit-scrollbar,
.cyber-atu-privacy-scroll::-webkit-scrollbar {
  width: 8px;
}

.cyber-atu-feed::-webkit-scrollbar-thumb,
.cyber-atu-privacy-scroll::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--muted) 46%, transparent);
  background-clip: padding-box;
}

.cyber-atu-message {
  width: fit-content;
  max-width: min(86%, 360px);
  display: grid;
  gap: 6px;
}

.cyber-atu-message.is-user {
  align-self: flex-end;
}

.cyber-atu-message.is-assistant {
  align-self: flex-start;
}

.cyber-atu-message-meta {
  padding: 0 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 620;
  letter-spacing: 0.025em;
}

.cyber-atu-message.is-user .cyber-atu-message-meta {
  text-align: right;
}

.cyber-atu-message-body {
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--paper-soft);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.62;
  overflow-wrap: anywhere;
}

.cyber-atu-message.is-user .cyber-atu-message-body {
  border-color: transparent;
  background: var(--accent);
  color: #ffffff;
}

.cyber-atu-message-body p + p {
  margin-top: 9px;
}

.cyber-atu-message.is-error .cyber-atu-message-body {
  border-color: color-mix(in srgb, var(--status-red) 38%, var(--line));
  background: color-mix(in srgb, var(--status-red) 8%, var(--paper-strong));
}

.cyber-atu-typing {
  min-width: 150px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.cyber-atu-dots {
  display: inline-flex;
  gap: 3px;
}

.cyber-atu-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--muted);
  animation: cyber-atu-dot 1.1s ease-in-out infinite;
}

.cyber-atu-dots span:nth-child(2) {
  animation-delay: 120ms;
}

.cyber-atu-dots span:nth-child(3) {
  animation-delay: 240ms;
}

.cyber-atu-typing-copy {
  color: var(--muted-strong);
  font-size: 12px;
}

.cyber-atu-composer-zone {
  flex: 0 0 auto;
  padding: 12px 16px calc(14px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-strong) 94%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
}

.cyber-atu-live-status {
  min-height: 18px;
  margin: 0 2px 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
}

.cyber-atu-live-status[data-state="error"] {
  color: color-mix(in srgb, var(--status-red) 82%, var(--ink));
}

.cyber-atu-live-status[data-state="success"] {
  color: color-mix(in srgb, var(--status-green) 84%, var(--ink));
}

.cyber-atu-form {
  padding: 6px 6px 6px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--paper);
  transition: border-color 170ms ease, box-shadow 170ms ease;
}

.cyber-atu-form:focus-within {
  border-color: color-mix(in srgb, var(--accent) 66%, var(--line));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 10%, transparent);
}

.cyber-atu-form textarea {
  width: 100%;
  min-height: 38px;
  max-height: 136px;
  padding: 8px 0 7px;
  overflow-y: auto;
  resize: none;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  caret-color: var(--accent);
  font: inherit;
  font-size: 16px;
  line-height: 1.5;
}

.cyber-atu-form textarea::placeholder {
  color: var(--muted);
}

.cyber-atu-form button {
  min-width: 58px;
  min-height: 44px;
  padding: 8px 13px;
  border: 0;
  border-radius: 13px;
  background: var(--accent);
  color: #ffffff;
  font-size: 12px;
  font-weight: 680;
  cursor: pointer;
  transition: transform 150ms var(--ease-out), opacity 150ms ease, background-color 150ms ease;
}

.cyber-atu-form button:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.cyber-atu-form button:disabled {
  opacity: 0.38;
  cursor: default;
}

.cyber-atu-notice {
  margin: 8px 3px 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.cyber-atu-notice button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted-strong);
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.cyber-atu-privacy {
  max-height: min(340px, 44dvh);
  margin-top: 10px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  display: flex;
  flex-direction: column;
  background: var(--paper-soft);
  color: var(--muted-strong);
  font-size: 12px;
  line-height: 1.55;
}

.cyber-atu-privacy[hidden] {
  display: none;
}

.cyber-atu-privacy-scroll {
  min-height: 0;
  padding: 14px;
  overflow-y: auto;
  scrollbar-color: color-mix(in srgb, var(--muted) 46%, transparent) transparent;
  scrollbar-width: thin;
}

.cyber-atu-privacy h3 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 680;
}

.cyber-atu-privacy ul {
  padding-left: 17px;
}

.cyber-atu-privacy li + li {
  margin-top: 5px;
}

.cyber-atu-privacy-scroll > p {
  margin-top: 9px;
}

.cyber-atu-privacy a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cyber-atu-delete {
  min-height: 40px;
  margin: 0;
  padding: 7px 11px;
  border: 1px solid color-mix(in srgb, var(--status-red) 34%, var(--line));
  border-radius: 11px;
  background: transparent;
  color: color-mix(in srgb, var(--status-red) 82%, var(--ink));
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
}

.cyber-atu-delete:hover:not(:disabled) {
  background: color-mix(in srgb, var(--status-red) 8%, transparent);
}

.cyber-atu-delete:disabled {
  opacity: 0.45;
  cursor: default;
}

.cyber-atu-delete-note {
  margin-top: 7px;
  color: var(--muted);
  font-size: 11px;
}

.cyber-atu-privacy-actions {
  flex: 0 0 auto;
  padding: 10px 14px 12px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper-soft) 94%, var(--paper-strong));
}

.cyber-atu-privacy-action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.cyber-atu-privacy-collapse {
  min-height: 40px;
  margin: 0;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: var(--paper-strong);
  color: var(--ink);
  font-size: 12px;
  font-weight: 650;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 150ms var(--ease-out), border-color 150ms ease, background-color 150ms ease;
}

.cyber-atu-privacy-collapse:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--line-strong));
  background: color-mix(in srgb, var(--accent) 6%, var(--paper-strong));
}

.cyber-atu-privacy-collapse:active:not(:disabled) {
  transform: scale(0.98);
}

.cyber-atu-privacy-collapse:disabled {
  opacity: 0.45;
  cursor: default;
}

body.cyber-atu-open {
  position: fixed;
  top: var(--cyber-atu-scroll-lock-offset, 0);
  right: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body.cyber-atu-open .cyber-atu-launcher {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}

@keyframes cyber-atu-enter {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes cyber-atu-dot {
  0%,
  70%,
  100% {
    opacity: 0.32;
    transform: translateY(0);
  }
  35% {
    opacity: 1;
    transform: translateY(-3px);
  }
}

@media (max-width: 620px) {
  .cyber-atu-launcher {
    right: max(14px, env(safe-area-inset-right));
    bottom: max(14px, env(safe-area-inset-bottom));
    min-height: 48px;
    padding: 7px 12px 7px 8px;
  }

  .cyber-atu-dialog {
    inset: auto 0 0;
    width: 100%;
    height: min(88dvh, 760px);
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 24px 24px 0 0;
  }

  .cyber-atu-header {
    min-height: 70px;
    padding: 12px 14px;
  }

  .cyber-atu-connection {
    display: inline-flex;
  }

  .cyber-atu-feed {
    padding: 20px 16px 24px;
  }

  .cyber-atu-message {
    max-width: 89%;
  }

  .cyber-atu-composer-zone {
    padding-right: 12px;
    padding-left: 12px;
  }

  .cyber-atu-delete,
  .cyber-atu-privacy-collapse {
    min-height: 44px;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .cyber-atu-launcher,
  .cyber-atu-composer-zone {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: var(--paper-strong);
  }

  .cyber-atu-dialog::backdrop {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cyber-atu-dialog[open],
  .cyber-atu-dots span {
    animation: none;
  }

  .cyber-atu-launcher,
  .cyber-atu-form button,
  .cyber-atu-privacy-collapse {
    transition: none;
  }
}

@media (prefers-contrast: more) {
  .cyber-atu-dialog,
  .cyber-atu-form,
  .cyber-atu-message-body,
  .cyber-atu-privacy {
    border-color: var(--line-strong);
  }
}

@media print {
  .cyber-atu-launcher,
  .cyber-atu-dialog {
    display: none !important;
  }
}