:root {
  --delta-navy-950: #06152f;
  --delta-navy-900: #0a1f43;
  --delta-navy-800: #10315f;
  --delta-blue: #2f6fde;
  --delta-gold: #f5d43b;
  --delta-gold-soft: #fff0a6;
  --delta-emerald: #027a48;
  --delta-ink: #13233e;
  --delta-muted: #68768c;
  --delta-line: rgba(18, 52, 96, 0.13);
  --delta-shadow: 0 26px 70px rgba(3, 18, 45, 0.28);
  --delta-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.public-delta,
.delta-assistant {
  display: none !important;
}

.delta-compact-root {
  position: fixed;
  z-index: 95;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  display: grid;
  justify-items: end;
  width: min(390px, calc(100vw - 32px));
  pointer-events: none;
  font-family: 'Manrope', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  letter-spacing: 0;
}

.delta-compact-root[hidden] {
  display: none !important;
}

.delta-floating-button {
  position: relative;
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  overflow: visible !important;
  padding: 3px !important;
  border: 1px solid rgba(232, 184, 74, 0.72) !important;
  border-radius: 50% !important;
  background: linear-gradient(145deg, var(--delta-emerald), var(--delta-navy-900)) !important;
  box-shadow:
    0 14px 34px rgba(3, 18, 45, 0.34),
    0 0 0 5px rgba(232, 184, 74, 0.1),
    0 0 24px rgba(47, 111, 222, 0.24) !important;
  pointer-events: auto;
  cursor: pointer;
  animation: deltaGentleFloat 5.5s ease-in-out infinite;
  transition: transform 180ms ease, box-shadow 220ms ease;
  -webkit-tap-highlight-color: transparent;
}

.delta-floating-button:hover,
.delta-floating-button:focus-visible {
  box-shadow:
    0 18px 42px rgba(3, 18, 45, 0.4),
    0 0 0 6px rgba(232, 184, 74, 0.16),
    0 0 30px rgba(47, 111, 222, 0.32) !important;
  transform: translateY(-2px) scale(1.035);
}

.delta-floating-button:focus-visible,
.delta-chat-window button:focus-visible,
.delta-chat-window textarea:focus-visible {
  outline: 3px solid rgba(232, 184, 74, 0.65);
  outline-offset: 3px;
}

.delta-floating-button img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.delta-floating-button::after {
  position: absolute;
  right: 2px;
  bottom: 2px;
  width: 11px;
  height: 11px;
  content: '';
  border: 2px solid var(--delta-emerald);
  border-radius: 50%;
  background: #24c785;
  box-shadow: 0 0 10px rgba(36, 199, 133, 0.72);
}

.delta-unread-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  display: none;
  min-width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  border: 2px solid #fff;
  border-radius: 999px;
  color: #fff;
  background: #d13d4f;
  font: 800 0.65rem/1 'Plus Jakarta Sans', sans-serif;
}

.delta-unread-badge.is-visible {
  display: flex;
}

.delta-button-tooltip,
.delta-first-tooltip {
  position: absolute;
  right: 68px;
  bottom: 10px;
  width: max-content;
  max-width: min(240px, calc(100vw - 110px));
  padding: 0.55rem 0.72rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 7px;
  color: #fff;
  background: rgba(7, 24, 52, 0.95);
  box-shadow: 0 12px 30px rgba(3, 18, 45, 0.26);
  font-size: 0.72rem;
  font-weight: 750;
  line-height: 1.35;
  pointer-events: none;
  opacity: 0;
  transform: translateX(5px);
  transition: opacity 180ms ease, transform 180ms ease;
  backdrop-filter: blur(14px);
}

.delta-floating-button:hover .delta-button-tooltip,
.delta-floating-button:focus-visible .delta-button-tooltip {
  opacity: 1;
  transform: translateX(0);
}

.delta-first-tooltip {
  z-index: 2;
  opacity: 1;
  animation: deltaTooltipIn 360ms var(--delta-ease) both;
}

.delta-first-tooltip.is-leaving {
  animation: deltaTooltipOut 240ms ease forwards;
}

.delta-chat-window {
  display: none;
  width: min(390px, calc(100vw - 32px));
  height: min(580px, 75dvh);
  min-height: 430px;
  margin-bottom: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 12px;
  color: var(--delta-ink);
  background: rgba(248, 251, 255, 0.96);
  box-shadow: var(--delta-shadow);
  pointer-events: auto;
  transform-origin: right bottom;
  backdrop-filter: blur(24px) saturate(1.12);
}

.delta-compact-root.is-open .delta-chat-window {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  animation: deltaWindowIn 340ms var(--delta-ease) both;
}

.delta-compact-root.is-open .delta-floating-button {
  animation: none;
}

.delta-chat-header {
  position: relative;
  display: flex;
  min-height: 68px;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 0.72rem;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(2, 122, 72, 0.99), rgba(6, 21, 47, 0.99) 82%);
  touch-action: pan-x;
}

.delta-chat-header::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 38%;
  height: 1px;
  content: '';
  background: linear-gradient(90deg, transparent, var(--delta-gold));
}

.delta-avatar {
  position: relative;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  overflow: hidden;
  border: 1px solid rgba(232, 184, 74, 0.58);
  border-radius: 50%;
  background: var(--delta-navy-950);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
}

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

.delta-header-copy {
  min-width: 0;
  margin-right: auto;
}

.delta-header-copy strong {
  display: block;
  color: #fff;
  font: 800 0.95rem/1.15 'Plus Jakarta Sans', sans-serif;
}

.delta-status {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.25rem;
  color: rgba(255, 255, 255, 0.67);
  font-size: 0.64rem;
  font-weight: 700;
}

.delta-status::before {
  width: 7px;
  height: 7px;
  content: '';
  border-radius: 50%;
  background: #24c785;
  box-shadow: 0 0 8px rgba(36, 199, 133, 0.8);
}

.delta-header-actions,
.delta-voice-controls {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.delta-icon-button {
  display: grid;
  width: 34px;
  height: 34px;
  min-width: 34px;
  min-height: 34px;
  place-items: center;
  padding: 0 !important;
  border: 1px solid transparent !important;
  border-radius: 7px !important;
  color: inherit !important;
  background: transparent !important;
  box-shadow: none !important;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.delta-chat-header .delta-icon-button {
  color: rgba(255, 255, 255, 0.74) !important;
}

.delta-icon-button:hover {
  border-color: rgba(255, 255, 255, 0.1) !important;
  color: #fff !important;
  background: rgba(255, 255, 255, 0.09) !important;
  transform: translateY(-1px);
}

.delta-icon-button svg {
  width: 17px;
  height: 17px;
  stroke-width: 1.9;
}

.delta-messages {
  position: relative;
  display: grid;
  align-content: start;
  gap: 0.72rem;
  min-height: 0;
  padding: 0.9rem;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  background:
    linear-gradient(rgba(16, 49, 95, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 49, 95, 0.028) 1px, transparent 1px),
    #f5f8fc;
  background-size: 34px 34px;
  scrollbar-width: thin;
  scrollbar-color: rgba(47, 111, 222, 0.28) transparent;
}

.delta-message {
  display: grid;
  justify-items: start;
  gap: 0.35rem;
  max-width: 88%;
  animation: deltaMessageIn 260ms var(--delta-ease) both;
}

.delta-message.is-user {
  justify-self: end;
  justify-items: end;
}

.delta-message-label {
  color: var(--delta-muted) !important;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.delta-message-bubble {
  padding: 0.7rem 0.78rem;
  border: 1px solid var(--delta-line);
  border-radius: 8px;
  color: var(--delta-ink);
  background: #fff;
  box-shadow: 0 8px 20px rgba(10, 39, 84, 0.07);
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.58;
  white-space: pre-wrap;
  word-break: break-word;
}

.delta-message.is-user .delta-message-bubble {
  border-color: rgba(47, 111, 222, 0.4);
  color: #fff;
  background: linear-gradient(135deg, var(--delta-emerald), var(--delta-navy-800));
  box-shadow: 0 10px 24px rgba(31, 81, 157, 0.18);
}

.delta-message-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.delta-action-link,
.delta-read-more,
.delta-replay-button {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 0.32rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid rgba(47, 111, 222, 0.18) !important;
  border-radius: 6px !important;
  color: var(--delta-navy-800) !important;
  background: rgba(47, 111, 222, 0.06) !important;
  box-shadow: none !important;
  font: 750 0.64rem/1 'Manrope', sans-serif;
  text-decoration: none;
  cursor: pointer;
}

.delta-chat-window .delta-action-link *,
.delta-chat-window .delta-read-more *,
.delta-chat-window .delta-replay-button * {
  color: var(--delta-emerald) !important;
}

.delta-action-link:hover,
.delta-read-more:hover,
.delta-replay-button:hover {
  border-color: rgba(47, 111, 222, 0.4) !important;
  background: rgba(47, 111, 222, 0.1) !important;
}

.delta-source-reference {
  display: flex;
  align-items: center;
  gap: 0.32rem;
  color: var(--delta-muted) !important;
  font-size: 0.6rem;
  font-weight: 650;
}

.delta-chat-window .delta-source-reference * {
  color: var(--delta-muted) !important;
}

#deltaCompactRoot .delta-message-label,
#deltaCompactRoot .delta-source-reference,
#deltaCompactRoot .delta-source-reference * {
  color: #68768c !important;
}

#deltaCompactRoot .delta-action-link,
#deltaCompactRoot .delta-action-link *,
#deltaCompactRoot .delta-read-more,
#deltaCompactRoot .delta-read-more *,
#deltaCompactRoot .delta-replay-button,
#deltaCompactRoot .delta-replay-button * {
  color: #027a48 !important;
}

.delta-suggested-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
  max-width: 100%;
}

.delta-prompt-chip {
  min-height: 32px;
  padding: 0.4rem 0.62rem !important;
  border: 1px solid rgba(16, 49, 95, 0.14) !important;
  border-radius: 999px !important;
  color: var(--delta-navy-800) !important;
  background: rgba(255, 255, 255, 0.88) !important;
  box-shadow: 0 6px 16px rgba(10, 39, 84, 0.05) !important;
  font-size: 0.65rem;
  font-weight: 750;
  cursor: pointer;
}

.delta-prompt-chip:hover {
  border-color: rgba(232, 184, 74, 0.62) !important;
  background: #fff9e9 !important;
  transform: translateY(-1px);
}

.delta-typing-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 38px;
  padding: 0 0.75rem;
  border: 1px solid var(--delta-line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(10, 39, 84, 0.06);
}

.delta-typing-indicator span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--delta-emerald);
  animation: deltaTyping 1.15s ease-in-out infinite;
}

.delta-typing-indicator span:nth-child(2) { animation-delay: 120ms; }
.delta-typing-indicator span:nth-child(3) { animation-delay: 240ms; }

.delta-composer {
  display: grid;
  gap: 0.45rem;
  padding: 0.65rem;
  border-top: 1px solid var(--delta-line);
  background: rgba(255, 255, 255, 0.98) !important;
}

.delta-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px;
  align-items: end;
  gap: 0.4rem;
}

.delta-input {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  max-height: 108px;
  resize: none;
  padding: 0.72rem 0.75rem;
  border: 1px solid rgba(18, 52, 96, 0.16) !important;
  border-radius: 8px !important;
  color: var(--delta-ink) !important;
  background: #f7f9fc !important;
  box-shadow: none !important;
  font: 600 0.78rem/1.4 'Manrope', sans-serif;
  outline: none;
}

.delta-input:focus {
  border-color: var(--delta-blue) !important;
  background: #fff !important;
  box-shadow: 0 0 0 4px rgba(47, 111, 222, 0.1) !important;
}

.delta-send-button {
  display: grid;
  width: 42px;
  height: 42px;
  min-width: 42px;
  min-height: 42px;
  place-items: center;
  padding: 0 !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 8px !important;
  color: #fff !important;
  background: linear-gradient(135deg, var(--delta-emerald), var(--delta-navy-800)) !important;
  box-shadow: 0 10px 22px rgba(31, 81, 157, 0.2) !important;
  cursor: pointer;
}

.delta-send-button:hover {
  transform: translateY(-1px);
}

.delta-send-button svg {
  width: 18px;
  height: 18px;
}

.delta-composer-tools {
  display: flex;
  min-height: 32px;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  color: var(--delta-ink) !important;
  background: transparent !important;
}

.delta-voice-controls .delta-icon-button {
  color: var(--delta-muted) !important;
}

.delta-voice-controls .delta-icon-button:hover,
.delta-voice-controls .delta-icon-button.is-active {
  border-color: rgba(47, 111, 222, 0.12) !important;
  color: var(--delta-blue) !important;
  background: rgba(47, 111, 222, 0.07) !important;
}

.delta-voice-controls .delta-icon-button.is-recording {
  color: #fff !important;
  background: #d13d4f !important;
  animation: deltaRecordPulse 1.25s ease-in-out infinite;
}

.delta-composer-status {
  min-width: 0;
  overflow: hidden;
  color: var(--delta-muted) !important;
  font-size: 0.58rem;
  font-weight: 650;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#deltaCompactRoot #deltaComposer {
  color: #13233e !important;
  background: rgba(255, 255, 255, 0.98) !important;
}

#deltaCompactRoot #deltaStatus {
  color: #68768c !important;
}

.delta-compact-root.is-expanded .delta-chat-window {
  width: min(720px, calc(100vw - 32px));
  height: min(760px, 86dvh);
}

.delta-compact-root.is-expanded {
  width: min(720px, calc(100vw - 32px));
}

.delta-settings-panel {
  display: none;
  gap: 0.55rem;
  padding: 0.7rem;
  border-top: 1px solid var(--delta-line);
  background: #f7f9fc;
}

.delta-settings-panel.is-visible {
  display: grid;
}

.delta-setting-row {
  display: flex;
  min-height: 38px;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  color: var(--delta-ink);
  font-size: 0.7rem;
  font-weight: 700;
}

.delta-setting-row button {
  min-height: 32px;
  padding: 0.38rem 0.58rem !important;
  border: 1px solid var(--delta-line) !important;
  border-radius: 6px !important;
  color: var(--delta-navy-800) !important;
  background: #fff !important;
  box-shadow: none !important;
  font-size: 0.64rem;
  font-weight: 800;
}

body.portal-dark .delta-chat-window,
body.dark .delta-chat-window {
  border-color: rgba(166, 190, 225, 0.14);
  color: #e7eefb;
  background: rgba(12, 29, 56, 0.97);
}

body.portal-dark .delta-messages,
body.dark .delta-messages {
  background:
    linear-gradient(rgba(137, 169, 215, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(137, 169, 215, 0.035) 1px, transparent 1px),
    #0e2240;
  background-size: 34px 34px;
}

body.portal-dark .delta-message-bubble,
body.dark .delta-message-bubble,
body.portal-dark .delta-typing-indicator,
body.dark .delta-typing-indicator {
  border-color: rgba(166, 190, 225, 0.13);
  color: #e7eefb;
  background: #142b4d;
}

body.portal-dark .delta-composer,
body.dark .delta-composer,
body.portal-dark .delta-settings-panel,
body.dark .delta-settings-panel {
  border-color: rgba(166, 190, 225, 0.12);
  background: #0e2240 !important;
}

body.portal-dark .delta-input,
body.dark .delta-input {
  border-color: rgba(166, 190, 225, 0.14) !important;
  color: #e7eefb !important;
  background: #102746 !important;
}

body.portal-dark .delta-prompt-chip,
body.dark .delta-prompt-chip,
body.portal-dark .delta-setting-row button,
body.dark .delta-setting-row button {
  border-color: rgba(166, 190, 225, 0.14) !important;
  color: #dbe7f8 !important;
  background: #142b4d !important;
}

body.portal-dark .delta-setting-row,
body.dark .delta-setting-row,
body.portal-dark .delta-action-link,
body.dark .delta-action-link,
body.portal-dark .delta-read-more,
body.dark .delta-read-more,
body.portal-dark .delta-replay-button,
body.dark .delta-replay-button {
  color: #cbd8ed !important;
}

@media (max-width: 640px) {
  .delta-compact-root {
    right: max(10px, env(safe-area-inset-right));
    bottom: max(10px, env(safe-area-inset-bottom));
    width: calc(100vw - 20px);
  }

  .delta-floating-button {
    width: 52px;
    height: 52px;
  }

  .delta-compact-root.is-open .delta-floating-button {
    display: none;
  }

  .delta-button-tooltip,
  .delta-first-tooltip {
    right: 62px;
    bottom: 7px;
  }

  .delta-chat-window,
  .delta-compact-root.is-expanded .delta-chat-window {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100vw;
    height: min(76dvh, 680px);
    max-height: 80dvh;
    min-height: 440px;
    margin: 0;
    padding-bottom: env(safe-area-inset-bottom);
    border-width: 1px 0 0;
    border-radius: 14px 14px 0 0;
    transform-origin: center bottom;
  }

  .delta-compact-root.is-expanded .delta-chat-window {
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
  }

  .delta-compact-root.is-expanded {
    width: calc(100vw - 20px);
  }

  .delta-chat-header {
    min-height: 66px;
    padding-top: max(0.7rem, env(safe-area-inset-top));
  }

  .delta-chat-header::before {
    position: absolute;
    top: 5px;
    left: 50%;
    width: 38px;
    height: 4px;
    content: '';
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.28);
    transform: translateX(-50%);
  }

  .delta-messages {
    padding: 0.8rem;
  }

  .delta-message {
    max-width: 92%;
  }

  .delta-icon-button {
    width: 38px;
    height: 38px;
    min-width: 38px;
    min-height: 38px;
  }

  .delta-composer {
    padding-bottom: max(0.65rem, env(safe-area-inset-bottom));
  }
}

@media (max-width: 390px) {
  .delta-chat-window,
  .delta-compact-root.is-expanded .delta-chat-window {
    height: 78dvh;
    max-height: 84dvh;
  }

  .delta-header-actions {
    gap: 0;
  }

  .delta-avatar {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  .delta-header-copy strong {
    font-size: 0.88rem;
  }

  .delta-status {
    font-size: 0.57rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .delta-compact-root *,
  .delta-compact-root *::before,
  .delta-compact-root *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@keyframes deltaGentleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes deltaWindowIn {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes deltaMessageIn {
  from { opacity: 0; transform: translateY(7px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes deltaTooltipIn {
  from { opacity: 0; transform: translateX(7px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes deltaTooltipOut {
  to { opacity: 0; transform: translateX(7px); }
}

@keyframes deltaTyping {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

@keyframes deltaRecordPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(209, 61, 79, 0.3); }
  50% { box-shadow: 0 0 0 6px rgba(209, 61, 79, 0); }
}