:root {
  --deia-font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html:has(body.deia-standalone-page),
body.deia-standalone-page {
  margin: 0 !important;
  padding: 0 !important;
  min-height: 100%;
  background: #f7f8fc;
}

body.deia-standalone-page #wpadminbar {
  display: none !important;
}

html:has(body.deia-standalone-page) {
  margin-top: 0 !important;
}

.deia-chat {
  --deia-bg: #f7f8fc;
  --deia-surface: #ffffff;
  --deia-surface-soft: rgba(255, 255, 255, 0.76);
  --deia-surface-strong: #f0f3f9;
  --deia-text: #101a2d;
  --deia-text-soft: #5c6880;
  --deia-line: rgba(18, 36, 66, 0.10);
  --deia-line-strong: rgba(18, 36, 66, 0.17);
  --deia-primary: #0b2e67;
  --deia-primary-2: #173f85;
  --deia-accent: #f1782d;
  --deia-accent-soft: #fff0e7;
  --deia-success: #16845b;
  --deia-warning: #b2701c;
  --deia-danger: #bf3c4c;
  --deia-shadow-sm: 0 12px 32px rgba(15, 31, 56, 0.08);
  --deia-shadow-md: 0 24px 60px rgba(15, 31, 56, 0.12);
  --deia-shadow-lg: 0 42px 90px rgba(10, 26, 53, 0.17);
  --deia-radius-sm: 14px;
  --deia-radius-md: 22px;
  --deia-radius-lg: 32px;
  position: relative;
  min-height: 100vh;
  height: 100dvh;
  overflow: hidden;
  color: var(--deia-text);
  background:
    radial-gradient(circle at 8% 7%, rgba(64, 111, 190, 0.10), transparent 30rem),
    radial-gradient(circle at 93% 28%, rgba(241, 120, 45, 0.08), transparent 26rem),
    var(--deia-bg);
  font-family: var(--deia-font);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  transition: background-color 220ms ease, color 220ms ease;
}

.deia-chat[data-theme="dark"] {
  --deia-bg: #071327;
  --deia-surface: #0c1b31;
  --deia-surface-soft: rgba(15, 31, 55, 0.76);
  --deia-surface-strong: #11243e;
  --deia-text: #f3f6fb;
  --deia-text-soft: #a8b4c8;
  --deia-line: rgba(205, 220, 242, 0.11);
  --deia-line-strong: rgba(205, 220, 242, 0.20);
  --deia-primary: #79a8ff;
  --deia-primary-2: #a8c5ff;
  --deia-accent: #ff9c5f;
  --deia-accent-soft: rgba(255, 156, 95, 0.12);
  --deia-success: #53d39c;
  --deia-warning: #f2c166;
  --deia-danger: #ff8090;
  --deia-shadow-sm: 0 16px 38px rgba(0, 0, 0, 0.23);
  --deia-shadow-md: 0 28px 70px rgba(0, 0, 0, 0.30);
  --deia-shadow-lg: 0 46px 100px rgba(0, 0, 0, 0.40);
  background:
    radial-gradient(circle at 8% 7%, rgba(72, 115, 203, 0.17), transparent 31rem),
    radial-gradient(circle at 93% 28%, rgba(255, 133, 62, 0.10), transparent 28rem),
    var(--deia-bg);
}

.deia-chat *,
.deia-chat *::before,
.deia-chat *::after {
  box-sizing: border-box;
}

.deia-chat button,
.deia-chat textarea,
.deia-chat input,
.deia-chat select {
  font: inherit;
}

.deia-chat button {
  color: inherit;
}

.deia-chat h1,
.deia-chat h2,
.deia-chat h3,
.deia-chat p {
  margin-top: 0;
}

.deia-ambient {
  position: absolute;
  border-radius: 999px;
  filter: blur(4px);
  opacity: .65;
  pointer-events: none;
}

.deia-ambient-one {
  width: 320px;
  height: 320px;
  top: 4%;
  left: -190px;
  background: linear-gradient(145deg, rgba(79, 126, 220, .15), rgba(79, 126, 220, 0));
}

.deia-ambient-two {
  width: 410px;
  height: 410px;
  top: 42%;
  right: -250px;
  background: linear-gradient(145deg, rgba(241, 120, 45, .14), rgba(241, 120, 45, 0));
}

.deia-shell {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr);
  min-height: 100vh;
  height: 100dvh;
}

.deia-sidebar {
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: color-mix(in srgb, var(--deia-surface) 89%, transparent);
  border-right: 1px solid var(--deia-line);
  box-shadow: 16px 0 42px rgba(15, 31, 56, .035);
  -webkit-backdrop-filter: blur(18px) saturate(145%);
  backdrop-filter: blur(18px) saturate(145%);
}

.deia-sidebar-head {
  padding: 18px;
  border-bottom: 1px solid var(--deia-line);
}

.deia-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.deia-brand-mark {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--deia-line-strong) 74%, rgba(255,255,255,.62));
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(145deg, #0b2e67, #245aa7 68%, #f1782d 145%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 9px 22px rgba(15,57,125,.18);
  font-size: 19px;
  font-weight: 800;
}

.deia-brand-copy {
  display: grid;
  line-height: 1.15;
}

.deia-brand-copy strong {
  color: var(--deia-text);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.deia-brand-copy small {
  margin-top: 5px;
  color: var(--deia-text-soft);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .10em;
  text-transform: uppercase;
}

.deia-button,
.deia-icon-button,
.deia-send,
.deia-session-button,
.deia-session-action,
.deia-copy-button {
  border: 0;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease, box-shadow .15s ease, color .15s ease, opacity .15s ease;
}

.deia-button {
  min-height: 42px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
}

.deia-button:hover,
.deia-icon-button:hover,
.deia-send:hover,
.deia-session-action:hover,
.deia-copy-button:hover {
  transform: translateY(-1px);
}

.deia-button:focus-visible,
.deia-icon-button:focus-visible,
.deia-send:focus-visible,
.deia-session-button:focus-visible,
.deia-session-action:focus-visible,
.deia-copy-button:focus-visible,
.deia-chat textarea:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--deia-primary) 22%, transparent);
  outline-offset: 2px;
}

.deia-button-primary {
  color: #fff;
  background: linear-gradient(135deg, #0e326b, #1c5197);
  box-shadow: 0 10px 24px rgba(18,59,120,.18);
}

.deia-button-primary:hover {
  color: #fff;
  background: linear-gradient(135deg, #0c2a59, #174582);
}

.deia-chat[data-theme="dark"] .deia-button-primary {
  color: #071327;
  background: linear-gradient(135deg, #9bbcff, #79a8ff);
  box-shadow: 0 12px 26px rgba(62, 116, 210, .22);
}

.deia-button-ghost {
  color: var(--deia-text);
  border: 1px solid var(--deia-line);
  background: color-mix(in srgb, var(--deia-surface) 72%, transparent);
}

.deia-button-ghost:hover {
  border-color: var(--deia-line-strong);
  background: var(--deia-surface-strong);
}

.deia-button-danger {
  color: var(--deia-danger);
  border: 1px solid color-mix(in srgb, var(--deia-danger) 28%, var(--deia-line));
  background: color-mix(in srgb, var(--deia-danger) 8%, transparent);
}

.deia-button-danger:hover {
  background: color-mix(in srgb, var(--deia-danger) 13%, transparent);
}

.deia-button-full {
  width: 100%;
}

.deia-button-icon {
  font-size: 18px;
  line-height: 1;
}

.deia-sessions {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--deia-line-strong) transparent;
}

.deia-session {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
  margin-bottom: 5px;
  padding: 5px;
  border: 1px solid transparent;
  border-radius: 13px;
}

.deia-session:hover {
  background: color-mix(in srgb, var(--deia-surface-strong) 65%, transparent);
}

.deia-session.deia-state-active {
  border-color: color-mix(in srgb, var(--deia-primary) 17%, var(--deia-line));
  background: color-mix(in srgb, var(--deia-primary) 8%, var(--deia-surface));
}

.deia-session-button {
  min-width: 0;
  padding: 7px 8px;
  text-align: left;
  color: var(--deia-text);
  background: transparent;
  border-radius: 9px;
}

.deia-session-title {
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 13px;
  font-weight: 650;
}

.deia-session-date {
  display: block;
  margin-top: 3px;
  color: var(--deia-text-soft);
  font-size: 10px;
}

.deia-session-actions {
  display: flex;
  gap: 2px;
  opacity: .5;
}

.deia-session:hover .deia-session-actions,
.deia-session.deia-state-active .deia-session-actions {
  opacity: 1;
}

.deia-session-action {
  width: 29px;
  height: 29px;
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 8px;
  color: var(--deia-text-soft);
  background: transparent;
}

.deia-session-action:hover {
  color: var(--deia-text);
  background: var(--deia-surface-strong);
}

.deia-sidebar-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px 16px;
  color: var(--deia-text-soft);
  border-top: 1px solid var(--deia-line);
  font-size: 11px;
}

.deia-local-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--deia-success);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--deia-success) 10%, transparent);
}

.deia-main {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  background: color-mix(in srgb, var(--deia-bg) 82%, transparent);
}

.deia-topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--deia-line);
  background: color-mix(in srgb, var(--deia-bg) 78%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(145%);
  backdrop-filter: blur(18px) saturate(145%);
}

.deia-topbar-left,
.deia-topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.deia-title-block {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.deia-title-block > strong {
  max-width: min(50vw, 620px);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--deia-text);
  font-size: 14px;
  font-weight: 760;
}

.deia-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--deia-text-soft);
  font-size: 11px;
}

.deia-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--deia-text-soft);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--deia-text-soft) 10%, transparent);
}

.deia-status[data-state="connecting"] .deia-status-dot {
  background: var(--deia-warning);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--deia-warning) 11%, transparent);
  animation: deia-pulse 1.2s ease-in-out infinite;
}

.deia-status[data-state="connected"] .deia-status-dot {
  background: var(--deia-success);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--deia-success) 11%, transparent);
}

.deia-status[data-state="error"] .deia-status-dot {
  background: var(--deia-danger);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--deia-danger) 11%, transparent);
}

@keyframes deia-pulse {
  0%, 100% { opacity: .5; }
  50% { opacity: 1; }
}

.deia-icon-button {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  padding: 0;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--deia-line);
  border-radius: 14px;
  color: var(--deia-text);
  background: var(--deia-surface-soft);
  box-shadow: var(--deia-shadow-sm);
}

.deia-theme-toggle span {
  position: absolute;
  transition: transform .2s ease, opacity .2s ease;
}

.deia-chat[data-theme="light"] .deia-theme-sun,
.deia-chat[data-theme="dark"] .deia-theme-moon {
  opacity: 1;
  transform: scale(1) rotate(0);
}

.deia-chat[data-theme="light"] .deia-theme-moon,
.deia-chat[data-theme="dark"] .deia-theme-sun {
  opacity: 0;
  transform: scale(.75) rotate(20deg);
}

.deia-mobile-menu {
  display: none;
}

.deia-warning {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  color: var(--deia-warning);
  border-bottom: 1px solid color-mix(in srgb, var(--deia-warning) 22%, var(--deia-line));
  background: color-mix(in srgb, var(--deia-warning) 7%, var(--deia-surface));
  font-size: 12px;
}

.deia-warning strong {
  font-weight: 800;
}

.deia-messages {
  min-height: 0;
  overflow-y: auto;
  padding: 28px clamp(14px, 4vw, 42px) 34px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--deia-line-strong) transparent;
}

.deia-messages-inner,
.deia-composer-inner {
  width: min(940px, 100%);
  margin-inline: auto;
}

.deia-empty {
  min-height: 58vh;
  display: grid;
  place-items: center;
  padding: 40px 16px;
  text-align: center;
}

.deia-empty-card {
  width: min(620px, 100%);
  padding: 38px 28px;
  border: 1px solid var(--deia-line);
  border-radius: var(--deia-radius-lg);
  background: color-mix(in srgb, var(--deia-surface) 70%, transparent);
  box-shadow: var(--deia-shadow-sm);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.deia-empty-mark {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
  border-radius: 21px;
  color: #fff;
  background: linear-gradient(145deg, #0b2e67, #245aa7 68%, #f1782d 145%);
  box-shadow: var(--deia-shadow-md);
  font-size: 24px;
  font-weight: 850;
}

.deia-empty h1 {
  margin-bottom: 9px;
  color: var(--deia-text);
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.08;
  letter-spacing: -.035em;
}

.deia-empty p {
  max-width: 510px;
  margin: 0 auto;
  color: var(--deia-text-soft);
  font-size: 14px;
}

.deia-empty-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  padding: 7px 11px;
  border: 1px solid color-mix(in srgb, var(--deia-accent) 25%, var(--deia-line));
  border-radius: 999px;
  color: var(--deia-accent);
  background: var(--deia-accent-soft);
  font-size: 11px;
  font-weight: 750;
}

.deia-message-row {
  display: flex;
  margin-bottom: 18px;
}

.deia-message-row.deia-role-user {
  justify-content: flex-end;
}

.deia-message-row.deia-role-assistant {
  justify-content: flex-start;
}

.deia-message-card {
  max-width: min(82%, 780px);
  overflow: hidden;
  border: 1px solid var(--deia-line);
  border-radius: 18px;
  box-shadow: 0 9px 26px rgba(15, 31, 56, .05);
}

.deia-message-row.deia-role-user .deia-message-card {
  color: #fff;
  border-color: rgba(255,255,255,.09);
  border-bottom-right-radius: 6px;
  background: linear-gradient(145deg, #0e326b, #1c5197);
  box-shadow: 0 14px 30px rgba(18,59,120,.16);
}

.deia-chat[data-theme="dark"] .deia-message-row.deia-role-user .deia-message-card {
  background: linear-gradient(145deg, #1b4b8e, #245ca9);
}

.deia-message-row.deia-role-assistant .deia-message-card {
  color: var(--deia-text);
  border-bottom-left-radius: 6px;
  background: color-mix(in srgb, var(--deia-surface) 93%, transparent);
}

.deia-message-content {
  padding: 14px 16px 10px;
  overflow-wrap: anywhere;
  font-size: 14px;
  line-height: 1.67;
}

.deia-message-content p {
  margin: 0 0 10px;
}

.deia-message-content p:last-child {
  margin-bottom: 0;
}

.deia-message-content ul,
.deia-message-content ol {
  margin: 8px 0 10px 22px;
  padding: 0;
}

.deia-message-content li {
  margin: 4px 0;
}

.deia-message-content code {
  padding: 2px 5px;
  border: 1px solid var(--deia-line);
  border-radius: 6px;
  color: inherit;
  background: color-mix(in srgb, var(--deia-surface-strong) 78%, transparent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .91em;
}

.deia-message-row.deia-role-user .deia-message-content code {
  border-color: rgba(255,255,255,.16);
  background: rgba(255,255,255,.11);
}

.deia-message-content pre {
  margin: 12px 0;
  padding: 14px;
  overflow-x: auto;
  border: 1px solid var(--deia-line);
  border-radius: 12px;
  background: #071327;
  color: #eaf1fb;
}

.deia-message-content pre code {
  padding: 0;
  border: 0;
  background: transparent;
}

.deia-message-content a {
  color: var(--deia-primary-2);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.deia-message-row.deia-role-user .deia-message-content a {
  color: #fff;
}

.deia-message-meta {
  min-height: 30px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 0 10px 9px;
  color: var(--deia-text-soft);
  font-size: 10px;
}

.deia-message-row.deia-role-user .deia-message-meta {
  color: rgba(255,255,255,.72);
}

.deia-copy-button {
  padding: 4px 7px;
  border-radius: 7px;
  color: inherit;
  background: transparent;
  font-size: 10px;
  font-weight: 700;
}

.deia-copy-button:hover {
  background: color-mix(in srgb, var(--deia-surface-strong) 75%, transparent);
}

.deia-message-row.deia-role-user .deia-copy-button:hover {
  background: rgba(255,255,255,.10);
}

.deia-typing {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 4px 0 16px 2px;
  color: var(--deia-text-soft);
  font-size: 11px;
}

.deia-typing-dots {
  display: flex;
  gap: 4px;
}

.deia-typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--deia-accent);
  animation: deia-dot 1.15s infinite ease-in-out;
}

.deia-typing-dots span:nth-child(2) { animation-delay: .15s; }
.deia-typing-dots span:nth-child(3) { animation-delay: .30s; }

@keyframes deia-dot {
  0%, 80%, 100% { opacity: .3; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-2px); }
}

.deia-composer-wrap {
  padding: 13px clamp(13px, 3vw, 26px) calc(15px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--deia-line);
  background: color-mix(in srgb, var(--deia-bg) 80%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(145%);
  backdrop-filter: blur(18px) saturate(145%);
}

.deia-composer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 9px;
  padding: 9px;
  border: 1px solid var(--deia-line-strong);
  border-radius: 18px;
  background: color-mix(in srgb, var(--deia-surface) 95%, transparent);
  box-shadow: var(--deia-shadow-sm);
  transition: border-color .15s ease, box-shadow .15s ease;
}

.deia-composer:focus-within {
  border-color: color-mix(in srgb, var(--deia-primary) 60%, var(--deia-line));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--deia-primary) 8%, transparent), var(--deia-shadow-sm);
}

.deia-composer textarea,
.deia-modal textarea {
  width: 100%;
  border: 0;
  outline: 0;
  resize: none;
  color: var(--deia-text);
  background: transparent;
}

.deia-composer textarea {
  min-height: 44px;
  max-height: 190px;
  padding: 11px 8px;
  line-height: 1.45;
}

.deia-composer textarea::placeholder,
.deia-modal textarea::placeholder {
  color: color-mix(in srgb, var(--deia-text-soft) 66%, transparent);
}

.deia-send {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 13px;
  color: #fff;
  background: linear-gradient(135deg, #0e326b, #1c5197);
  box-shadow: 0 10px 22px rgba(18,59,120,.18);
  font-weight: 800;
}

.deia-chat[data-theme="dark"] .deia-send {
  color: #071327;
  background: linear-gradient(135deg, #9bbcff, #79a8ff);
}

.deia-send:disabled {
  opacity: .42;
  cursor: not-allowed;
  transform: none;
}

.deia-composer-help {
  margin-top: 7px;
  text-align: center;
  color: var(--deia-text-soft);
  font-size: 10px;
}

.deia-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: none;
  place-items: center;
  padding: 18px;
  background: rgba(4, 10, 22, .54);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
}

.deia-modal-backdrop.deia-state-open {
  display: grid;
}

.deia-modal {
  width: min(720px, 100%);
  overflow: hidden;
  border: 1px solid var(--deia-line-strong);
  border-radius: 22px;
  background: var(--deia-surface);
  box-shadow: var(--deia-shadow-lg);
}

.deia-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--deia-line);
}

.deia-eyebrow {
  display: block;
  margin-bottom: 4px;
  color: var(--deia-accent);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .11em;
}

.deia-modal-head h2 {
  margin: 0;
  color: var(--deia-text);
  font-size: 19px;
  line-height: 1.15;
}

.deia-modal-body {
  padding: 20px;
}

.deia-modal-body label {
  display: block;
  margin-bottom: 9px;
  color: var(--deia-text-soft);
  font-size: 12px;
}

.deia-modal textarea {
  min-height: 220px;
  padding: 13px;
  border: 1px solid var(--deia-line);
  border-radius: 13px;
  background: var(--deia-surface-strong);
  line-height: 1.55;
}

.deia-modal textarea:focus {
  border-color: color-mix(in srgb, var(--deia-primary) 55%, var(--deia-line));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--deia-primary) 8%, transparent);
}

.deia-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 0 20px 20px;
}

.deia-toast {
  position: fixed;
  right: 18px;
  bottom: 92px;
  z-index: 100000;
  max-width: min(400px, calc(100vw - 36px));
  padding: 11px 14px;
  border: 1px solid var(--deia-line-strong);
  border-radius: 12px;
  color: var(--deia-text);
  background: var(--deia-surface);
  box-shadow: var(--deia-shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity .2s ease, transform .2s ease;
  font-size: 12px;
}

.deia-toast.deia-state-visible {
  opacity: 1;
  transform: translateY(0);
}

.deia-toast.deia-state-error {
  color: var(--deia-danger);
  border-color: color-mix(in srgb, var(--deia-danger) 30%, var(--deia-line));
  background: color-mix(in srgb, var(--deia-danger) 7%, var(--deia-surface));
}

@media (max-width: 920px) {
  .deia-shell {
    grid-template-columns: 1fr;
  }

  .deia-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 80;
    width: min(88vw, 320px);
    transform: translateX(-103%);
    transition: transform .22s ease;
    box-shadow: 22px 0 62px rgba(0,0,0,.24);
  }

  .deia-sidebar.deia-state-open {
    transform: translateX(0);
  }

  .deia-mobile-menu {
    display: grid;
  }

  .deia-topbar {
    padding-inline: 13px;
  }

  .deia-message-card {
    max-width: 92%;
  }
}

@media (max-width: 640px) {
  .deia-topbar-actions .deia-button {
    width: 42px;
    min-width: 42px;
    padding: 0;
    overflow: hidden;
    white-space: nowrap;
    text-indent: -9999px;
    position: relative;
  }

  .deia-topbar-actions .deia-button::after {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    text-indent: 0;
    font-size: 16px;
  }

  .deia-topbar-actions .deia-button-ghost::after { content: "⚙"; }
  .deia-topbar-actions .deia-button-danger::after { content: "⌫"; }

  .deia-warning {
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
    padding: 8px 13px;
  }

  .deia-messages {
    padding-inline: 10px;
  }

  .deia-message-card {
    max-width: 95%;
  }

  .deia-composer-help {
    display: none;
  }

  .deia-title-block > strong {
    max-width: 42vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .deia-chat *,
  .deia-chat *::before,
  .deia-chat *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}