:root {
  --centa-navy: #0b2239;
  --centa-navy-deep: #061522;
  --centa-teal: #1b8d8a;
  --centa-gold: var(--centa-accent, #d9a53a);
  --centa-ink: #17212b;
  --centa-muted: #647280;
  --centa-surface: #ffffff;
  --centa-soft: #f3f6f7;
  --centa-border: #dbe3e7;
}

.centa-assistant,
.centa-assistant * {
  box-sizing: border-box;
}

.centa-assistant {
  position: fixed;
  right: max(22px, env(safe-area-inset-right));
  bottom: max(22px, env(safe-area-inset-bottom));
  z-index: 999999;
  color: var(--centa-ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

.centa-assistant [hidden] {
  display: none !important;
}

.centa-launcher {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 7px 18px 7px 7px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--centa-navy), var(--centa-navy-deep));
  color: #fff;
  box-shadow: 0 14px 38px rgba(4,22,35,.28);
  cursor: pointer;
  font: inherit;
  font-weight: 750;
  letter-spacing: .01em;
  transition: transform .18s ease, box-shadow .18s ease;
}

.centa-launcher:hover,
.centa-launcher:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 42px rgba(4,22,35,.34);
}

.centa-launcher:focus-visible,
.centa-panel button:focus-visible,
.centa-panel a:focus-visible,
.centa-panel input:focus-visible,
.centa-panel textarea:focus-visible {
  outline: 3px solid rgba(217,165,58,.42);
  outline-offset: 2px;
}

.centa-launcher__mark,
.centa-avatar,
.centa-message__avatar {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 50%;
  background: linear-gradient(145deg, var(--centa-gold), #f0cc70);
  color: var(--centa-navy-deep);
  font-family: Georgia, serif;
  font-weight: 800;
}

.centa-launcher__mark {
  width: 44px;
  height: 44px;
  font-size: 22px;
}

.centa-panel {
  position: absolute;
  right: 0;
  bottom: 74px;
  display: flex;
  flex-direction: column;
  width: min(390px, calc(100vw - 28px));
  height: min(650px, calc(100vh - 120px));
  overflow: hidden;
  border: 1px solid rgba(8,32,51,.12);
  border-radius: 22px;
  background: var(--centa-surface);
  box-shadow: 0 24px 70px rgba(3,24,39,.24);
  animation: centa-open .2s ease-out;
}

@keyframes centa-open {
  from { opacity: 0; transform: translateY(12px) scale(.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.centa-header {
  display: flex;
  align-items: center;
  min-height: 74px;
  padding: 13px 12px 13px 16px;
  background:
    radial-gradient(circle at 80% 10%, rgba(217,165,58,.23), transparent 28%),
    linear-gradient(135deg, var(--centa-navy), var(--centa-navy-deep));
  color: #fff;
}

.centa-avatar {
  width: 44px;
  height: 44px;
  margin-right: 11px;
  font-size: 21px;
}

.centa-header__copy {
  min-width: 0;
  flex: 1;
}

.centa-header__copy strong,
.centa-header__copy span {
  display: block;
}

.centa-header__copy strong {
  font-size: 16px;
  line-height: 1.25;
}

.centa-header__copy span {
  margin-top: 3px;
  color: rgba(255,255,255,.72);
  font-size: 12px;
}

.centa-header__copy i {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 6px;
  border-radius: 50%;
  background: #4ed0a8;
  box-shadow: 0 0 0 3px rgba(78,208,168,.13);
}

.centa-icon-button {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: rgba(255,255,255,.78);
  cursor: pointer;
}

.centa-icon-button:hover {
  background: rgba(255,255,255,.09);
  color: #fff;
}

.centa-icon-button svg,
.centa-composer button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.centa-view--chat {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  background: linear-gradient(#f8fafb, #fff 28%);
}

.centa-messages {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px 12px;
  overscroll-behavior: contain;
  scrollbar-color: #c7d2d8 transparent;
  scrollbar-width: thin;
}

.centa-message {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin: 0 0 14px;
}

.centa-message--user {
  justify-content: flex-end;
}

.centa-message__avatar {
  width: 28px;
  height: 28px;
  margin-bottom: 2px;
  border: 0;
  font-size: 13px;
}

.centa-message__body {
  max-width: 82%;
  padding: 11px 13px;
  border: 1px solid var(--centa-border);
  border-radius: 16px 16px 16px 4px;
  background: #fff;
  box-shadow: 0 3px 12px rgba(12,38,55,.05);
  overflow-wrap: anywhere;
}

.centa-message--user .centa-message__body {
  border-color: var(--centa-navy);
  border-radius: 16px 16px 4px 16px;
  background: var(--centa-navy);
  color: #fff;
}

.centa-message__body a,
.centa-sources a {
  color: #126f70;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

.centa-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 11px;
  padding-top: 9px;
  border-top: 1px solid var(--centa-border);
}

.centa-sources span {
  width: 100%;
  color: var(--centa-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.centa-sources a {
  display: inline-block;
  padding: 5px 8px;
  border: 1px solid #b9d7d6;
  border-radius: 999px;
  background: #eef8f7;
  font-size: 11px;
  line-height: 1.2;
  text-decoration: none;
}

.centa-starters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 6px 0 14px 36px;
}

.centa-starters button {
  padding: 8px 11px;
  border: 1px solid #b9ccda;
  border-radius: 999px;
  background: #fff;
  color: var(--centa-navy);
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
}

.centa-starters button:hover {
  border-color: var(--centa-teal);
  background: #f0f8f8;
}

.centa-privacy-note {
  margin: 10px 9px 4px 36px;
  color: var(--centa-muted);
  font-size: 10.5px;
  line-height: 1.4;
}

.centa-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 18px 10px 52px;
  color: var(--centa-muted);
}

.centa-typing span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--centa-teal);
  animation: centa-pulse 1s infinite ease-in-out;
}

.centa-typing span:nth-child(2) { animation-delay: .12s; }
.centa-typing span:nth-child(3) { animation-delay: .24s; }
.centa-typing em { margin-left: 5px; font-size: 11px; font-style: normal; }

@keyframes centa-pulse {
  0%, 60%, 100% { opacity: .28; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-2px); }
}

.centa-composer {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin: 0 12px;
  padding: 8px 8px 8px 13px;
  border: 1px solid var(--centa-border);
  border-radius: 17px;
  background: #fff;
  box-shadow: 0 4px 18px rgba(11,34,57,.07);
}

.centa-composer:focus-within {
  border-color: var(--centa-teal);
  box-shadow: 0 0 0 3px rgba(27,141,138,.11);
}

.centa-composer textarea {
  min-height: 25px;
  max-height: 120px;
  flex: 1;
  resize: none;
  overflow-y: auto;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--centa-ink);
  font: inherit;
  line-height: 1.45;
}

.centa-composer textarea::placeholder {
  color: #8996a1;
}

.centa-composer button {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 0;
  border-radius: 12px;
  background: var(--centa-gold);
  color: var(--centa-navy-deep);
  cursor: pointer;
}

.centa-composer button:disabled,
.centa-submit-lead:disabled {
  cursor: wait;
  opacity: .55;
}

.centa-panel-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 12px 10px;
  color: #82909b;
  font-size: 10.5px;
}

.centa-human-link,
.centa-back {
  padding: 0;
  border: 0;
  background: transparent;
  color: #2d6f76;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}

.centa-view--contact {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  background: #f8fafb;
}

.centa-back {
  margin-bottom: 14px;
  font-size: 12px;
}

.centa-contact-intro h3 {
  margin: 0 0 6px;
  color: var(--centa-navy);
  font-size: 21px;
}

.centa-contact-intro p {
  margin: 0 0 18px;
  color: var(--centa-muted);
  font-size: 13px;
}

.centa-field {
  margin-bottom: 12px;
}

.centa-field label {
  display: block;
  margin-bottom: 5px;
  color: #30404d;
  font-size: 12px;
  font-weight: 700;
}

.centa-field input,
.centa-field textarea {
  display: block;
  width: 100%;
  padding: 10px 11px;
  border: 1px solid var(--centa-border);
  border-radius: 10px;
  background: #fff;
  color: var(--centa-ink);
  font: inherit;
  font-size: 13px;
}

.centa-field textarea { resize: vertical; }
.centa-field--honeypot { position: absolute !important; left: -9999px !important; }

.centa-consent {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 4px 0 14px;
  color: var(--centa-muted);
  font-size: 11px;
  line-height: 1.4;
}

.centa-consent input { margin-top: 2px; }

.centa-submit-lead {
  width: 100%;
  padding: 11px 15px;
  border: 0;
  border-radius: 11px;
  background: var(--centa-navy);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 750;
}

.centa-form-status {
  margin: 10px 0 0;
  font-size: 12px;
}

.centa-form-status--success { color: #117153; }
.centa-form-status--error { color: #a03232; }

@media (max-width: 520px) {
  .centa-assistant {
    right: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
  }

  .centa-panel {
    position: fixed;
    inset: max(8px, env(safe-area-inset-top)) 8px max(8px, env(safe-area-inset-bottom));
    width: auto;
    height: auto;
    max-height: none;
    border-radius: 18px;
  }

  .centa-assistant[data-state="open"] .centa-launcher { display: none; }
  .centa-launcher__label { display: none; }
  .centa-launcher { padding: 7px; }
  .centa-message__body { max-width: 86%; }
}

@media (prefers-reduced-motion: reduce) {
  .centa-panel,
  .centa-launcher,
  .centa-typing span {
    animation: none;
    transition: none;
  }
}