.u1-assistant,
.u1-assistant * {
  box-sizing: border-box;
}

.u1-assistant {
  --u1-navy: #172332;
  --u1-red: #e8231a;
  --u1-blue: #4db8e8;
  --u1-paper: #f7f8fa;
  --u1-ink: #263241;
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 1000;
  font-family: 'Barlow', Arial, sans-serif;
  color: var(--u1-ink);
}

.u1-assistant__launcher {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 58px;
  padding: 7px 19px 7px 8px;
  border: 0;
  border-radius: 999px;
  background: var(--u1-navy);
  color: #fff;
  box-shadow: 0 16px 38px rgba(20, 29, 41, 0.28), 0 3px 0 rgba(0, 0, 0, 0.16);
  font: 700 16px/1 'Barlow Condensed', Arial Narrow, sans-serif;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.u1-assistant__launcher:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 44px rgba(20, 29, 41, 0.34), 0 3px 0 rgba(0, 0, 0, 0.16);
}

.u1-assistant__launcher:focus-visible,
.u1-assistant button:focus-visible,
.u1-assistant input:focus-visible,
.u1-assistant a:focus-visible {
  outline: 3px solid rgba(77, 184, 232, 0.55);
  outline-offset: 3px;
}

.u1-assistant__spark {
  position: relative;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  overflow: hidden;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--u1-red), #f07020 48%, var(--u1-blue));
  font-size: 20px;
}

.u1-assistant__spark::after {
  content: '';
  position: absolute;
  width: 17px;
  height: 1px;
  top: 9px;
  right: 4px;
  background: rgba(255, 255, 255, 0.65);
  transform: rotate(-32deg);
}

.u1-assistant__panel {
  position: absolute;
  right: 0;
  bottom: 72px;
  display: flex;
  flex-direction: column;
  width: min(390px, calc(100vw - 28px));
  height: min(610px, calc(100vh - 112px));
  overflow: hidden;
  border: 1px solid rgba(30, 42, 58, 0.12);
  border-radius: 18px 18px 7px 18px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(20, 29, 41, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.98);
  transform-origin: bottom right;
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms;
}

.u1-assistant.is-open .u1-assistant__panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.u1-assistant__head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 82px;
  padding: 17px 18px;
  background: var(--u1-navy);
  color: #fff;
}

.u1-assistant__head::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--u1-red), #f07020 48%, var(--u1-blue));
}

.u1-assistant__mark {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 43px;
  height: 43px;
  border-radius: 12px;
  background: linear-gradient(145deg, rgba(232, 35, 26, 0.96), rgba(77, 184, 232, 0.92));
  font: 800 18px/1 'Barlow Condensed', Arial Narrow, sans-serif;
}

.u1-assistant__title {
  margin: 0;
  color: #fff;
  font: 800 20px/1 'Barlow Condensed', Arial Narrow, sans-serif;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.u1-assistant__status {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
}

.u1-assistant__status::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #79d68a;
  box-shadow: 0 0 0 3px rgba(121, 214, 138, 0.14);
}

.u1-assistant__close {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-left: auto;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.u1-assistant__messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 17px 14px;
  background:
    radial-gradient(circle at 100% 0, rgba(77, 184, 232, 0.08), transparent 30%),
    var(--u1-paper);
  scroll-behavior: smooth;
}

.u1-assistant__message {
  width: fit-content;
  max-width: 88%;
  margin-bottom: 12px;
  padding: 11px 13px;
  border-radius: 4px 14px 14px 14px;
  background: #fff;
  box-shadow: 0 2px 9px rgba(30, 42, 58, 0.08);
  font-size: 14px;
  line-height: 1.48;
  white-space: pre-wrap;
}

.u1-assistant__message--user {
  margin-left: auto;
  border-radius: 14px 4px 14px 14px;
  background: var(--u1-navy);
  color: #fff;
}

.u1-assistant__message--typing {
  display: flex;
  gap: 4px;
  align-items: center;
  min-width: 54px;
}

.u1-assistant__message--typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #84909d;
  animation: u1-bounce 1s infinite ease-in-out;
}

.u1-assistant__message--typing span:nth-child(2) { animation-delay: 120ms; }
.u1-assistant__message--typing span:nth-child(3) { animation-delay: 240ms; }

.u1-assistant__suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 4px 0 14px;
}

.u1-assistant__suggestion {
  padding: 8px 10px;
  border: 1px solid rgba(30, 42, 58, 0.16);
  border-radius: 999px;
  background: #fff;
  color: var(--u1-navy);
  font: 600 12px/1.2 'Barlow', Arial, sans-serif;
  cursor: pointer;
}

.u1-assistant__suggestion:hover {
  border-color: var(--u1-blue);
  background: #f1f9fc;
}

.u1-assistant__actions {
  display: flex;
  gap: 8px;
  padding: 10px 15px;
  border-top: 1px solid rgba(30, 42, 58, 0.08);
  background: #fff;
}

.u1-assistant__action {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid rgba(30, 42, 58, 0.13);
  border-radius: 6px;
  color: var(--u1-navy);
  font: 700 12px/1 'Barlow Condensed', Arial Narrow, sans-serif;
  letter-spacing: 0.04em;
  text-align: center;
  text-transform: uppercase;
}

.u1-assistant__action:first-child {
  border-color: var(--u1-red);
  background: var(--u1-red);
  color: #fff;
}

.u1-assistant__form {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px 8px;
  border-top: 1px solid rgba(30, 42, 58, 0.1);
  background: #fff;
}

.u1-assistant__input {
  min-width: 0;
  flex: 1;
  height: 44px;
  padding: 0 14px;
  border: 1px solid rgba(30, 42, 58, 0.18);
  border-radius: 8px;
  background: #fff;
  color: var(--u1-ink);
  font: 400 14px/1 'Barlow', Arial, sans-serif;
}

.u1-assistant__input::placeholder { color: #7f8994; }

.u1-assistant__send {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 8px;
  background: var(--u1-blue);
  color: var(--u1-navy);
  font-size: 19px;
  font-weight: 800;
  cursor: pointer;
}

.u1-assistant__send:disabled,
.u1-assistant__input:disabled {
  cursor: wait;
  opacity: 0.62;
}

.u1-assistant__note {
  margin: 0;
  padding: 0 14px 10px;
  background: #fff;
  color: #7b8590;
  font-size: 10px;
  line-height: 1.35;
  text-align: center;
}

@keyframes u1-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-4px); opacity: 1; }
}

@media (max-width: 540px) {
  .u1-assistant { right: 12px; bottom: 12px; }
  .u1-assistant__launcher { min-height: 54px; padding-right: 15px; }
  .u1-assistant__spark { width: 40px; height: 40px; }
  .u1-assistant__panel {
    position: fixed;
    inset: 10px 10px 78px;
    width: auto;
    height: auto;
    border-radius: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .u1-assistant__launcher,
  .u1-assistant__panel { transition: none; }
  .u1-assistant__message--typing span { animation: none; }
}