.site-assistant {
  --assistant-size: 220px;
  --assistant-side: 24px;
  --assistant-bottom: 24px;
  --assistant-gaze-x: 0px;
  --assistant-gaze-y: 0px;
  --assistant-tilt-x: 0deg;
  --assistant-tilt-y: 0deg;
  --assistant-panel-width: min(430px, calc(100vw - 24px));
  position: fixed;
  right: var(--assistant-side);
  bottom: var(--assistant-bottom);
  z-index: 1000;
  display: flex;
  align-items: flex-end;
  gap: 16px;
  pointer-events: none;
}

.site-assistant * { box-sizing: border-box; }

.site-assistant--left {
  right: auto;
  left: var(--assistant-side);
  flex-direction: row-reverse;
}

.site-assistant__avatar-wrap,
.site-assistant__panel,
.site-assistant__floating-chip {
  pointer-events: auto;
}

.site-assistant__avatar-wrap {
  position: relative;
  width: var(--assistant-size);
  flex: 0 0 var(--assistant-size);
}

.site-assistant__avatar {
  position: relative;
  width: 100%;
  aspect-ratio: 1365 / 2048;
  border: 0;
  padding: 0;
  margin: 0;
  background: transparent;
  cursor: pointer;
  transform: perspective(1200px) rotateX(var(--assistant-tilt-x)) rotateY(var(--assistant-tilt-y));
  transform-style: preserve-3d;
  transition: transform 220ms ease, filter 220ms ease;
  filter: drop-shadow(0 16px 28px rgba(4, 22, 44, 0.24)) drop-shadow(0 4px 8px rgba(11, 94, 215, 0.14));
}

.site-assistant__sprite {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  animation: assistantFloat 5.4s ease-in-out infinite;
  transform-origin: center bottom;
}

.site-assistant.is-speaking .site-assistant__sprite {
  animation-duration: 2.8s;
}

.site-assistant.is-walking .site-assistant__sprite {
  animation: assistantWalk 520ms ease-in-out infinite;
}

.site-assistant.is-walking-backward .site-assistant__sprite {
  animation-direction: reverse;
}

.site-assistant.is-knocking .site-assistant__sprite {
  animation: assistantKnock 540ms ease-in-out 2;
}

.site-assistant__image {
  width: 100%;
  height: auto;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

.site-assistant__halo,
.site-assistant__glass,
.site-assistant__voice,
.site-assistant__tap,
.site-assistant__blink,
.site-assistant__gaze,
.site-assistant__step,
.site-assistant__knock-text,
.site-assistant__badge {
  position: absolute;
  pointer-events: none;
}

.site-assistant__halo {
  inset: 16% 10% 3% 10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(67, 200, 255, 0.34), rgba(41, 111, 255, 0.08) 52%, rgba(0,0,0,0) 72%);
  filter: blur(12px);
  opacity: 0.95;
  transform: translateZ(-20px);
}

.site-assistant__glass {
  inset: 7% 28% 52% 28%;
  border-radius: 52% 52% 30% 30% / 38% 38% 18% 18%;
  background: radial-gradient(circle at 50% 30%, rgba(255,255,255,0.28), rgba(115, 231, 255, 0.06) 60%, rgba(255,255,255,0));
  box-shadow: 0 0 0 1px rgba(157, 242, 255, 0.28) inset;
  opacity: 0.72;
}

.site-assistant__voice {
  inset: 18% 19% 10% 19%;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(63, 203, 255, 0.45);
  opacity: 0;
}

.site-assistant.is-speaking .site-assistant__voice {
  animation: assistantPulse 1.2s ease-out infinite;
  opacity: 1;
}

.site-assistant__tap {
  width: 34%;
  height: 22%;
  top: 11%;
  right: 11%;
  border-radius: 999px;
  border: 2px solid rgba(255,255,255,0.95);
  box-shadow: 0 0 0 8px rgba(59, 208, 255, 0.15);
  opacity: 0;
  transform: scale(0.7);
}

.site-assistant.is-knocking .site-assistant__tap {
  animation: assistantTap 540ms ease-out 2;
}

.site-assistant__knock-text {
  top: 3%;
  left: 4%;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(9, 24, 46, 0.92);
  color: #fff;
  font: 700 0.86rem/1.1 Inter, Arial, sans-serif;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(10px) scale(0.9);
  box-shadow: 0 12px 24px rgba(9, 24, 46, 0.22);
}

.site-assistant.is-knocking .site-assistant__knock-text {
  animation: assistantKnockText 1.4s ease both;
}

.site-assistant__badge {
  top: 14px;
  right: 18px;
  min-width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #58f3ff, #0c7fe8);
  box-shadow: 0 0 0 6px rgba(88, 243, 255, 0.16);
}

.site-assistant__gaze {
  width: 5.2%;
  aspect-ratio: 1;
  top: 41.1%;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 32%, rgba(255,255,255,0.85), rgba(255,255,255,0) 28%), radial-gradient(circle, rgba(4, 22, 44, 0.55), rgba(4, 22, 44, 0) 74%);
  opacity: 0.28;
  mix-blend-mode: multiply;
  transition: transform 90ms linear;
}

.site-assistant__gaze--left {
  left: 37.6%;
  transform: translate(var(--assistant-gaze-x), var(--assistant-gaze-y));
}

.site-assistant__gaze--right {
  left: 57.35%;
  transform: translate(var(--assistant-gaze-x), var(--assistant-gaze-y));
}

.site-assistant__blink {
  width: 14.6%;
  height: 6.2%;
  top: 39.15%;
  border-radius: 999px 999px 48% 48%;
  background: linear-gradient(180deg, rgba(255,255,255,0.82), rgba(126, 232, 255, 0.68) 54%, rgba(30, 164, 255, 0.25));
  opacity: 0;
  transform-origin: center top;
}

.site-assistant__blink--left { left: 33.4%; }
.site-assistant__blink--right { left: 53.4%; }


.site-assistant__step {
  bottom: 1.4%;
  width: 18%;
  height: 5.6%;
  border-radius: 999px;
  background: radial-gradient(circle at 50% 40%, rgba(109, 235, 255, 0.78), rgba(30, 152, 255, 0.22) 58%, rgba(30, 152, 255, 0));
  filter: blur(2px);
  opacity: 0;
  transform: translateY(0) scale(0.86);
}

.site-assistant__step--left {
  left: 23%;
}

.site-assistant__step--right {
  left: 58%;
}

.site-assistant.is-walking .site-assistant__step--left {
  animation: assistantStepLeft 520ms ease-in-out infinite;
}

.site-assistant.is-walking .site-assistant__step--right {
  animation: assistantStepRight 520ms ease-in-out infinite;
}


.site-assistant.is-blinking .site-assistant__blink {
  animation: assistantBlink 260ms ease both;
}

.site-assistant__panel {
  width: var(--assistant-panel-width);
  max-height: min(78vh, 680px);
  display: flex;
  flex-direction: column;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(245,250,255,0.9));
  border: 1px solid rgba(130, 171, 204, 0.28);
  box-shadow: 0 28px 70px rgba(10, 29, 56, 0.26), inset 0 1px 0 rgba(255,255,255,0.7);
  backdrop-filter: blur(18px) saturate(1.15);
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  transition: opacity 220ms ease, transform 220ms ease;
}

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

.site-assistant__panel[hidden] { display: none; }

.site-assistant__header {
  padding: 18px 20px 14px;
  background: linear-gradient(135deg, rgba(11, 77, 172, 0.96), rgba(11, 163, 232, 0.92));
  color: #fff;
  position: relative;
}

.site-assistant__header::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,0.55), rgba(255,255,255,0));
}

.site-assistant__header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.site-assistant__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-assistant__mini-avatar {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: rgba(255,255,255,0.16);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.35);
}

.site-assistant__mini-avatar img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-assistant__title {
  margin: 0;
  font: 800 1.02rem/1.2 Inter, Arial, sans-serif;
}

.site-assistant__subtitle,
.site-assistant__helper {
  margin: 0;
  font: 500 0.86rem/1.4 Inter, Arial, sans-serif;
  color: rgba(255,255,255,0.86);
}

.site-assistant__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  font: 600 0.76rem/1 Inter, Arial, sans-serif;
}

.site-assistant__status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #6bffbc;
  box-shadow: 0 0 0 6px rgba(107,255,188,0.14);
}

.site-assistant__header-actions {
  display: flex;
  gap: 8px;
}

.site-assistant__icon-btn {
  border: 0;
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: rgba(255,255,255,0.14);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease;
}

.site-assistant__icon-btn:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,0.24);
}

.site-assistant__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 16px 0;
}

.site-assistant__quick button,
.site-assistant__action,
.site-assistant__footer button {
  border: 0;
  cursor: pointer;
}

.site-assistant__quick button,
.site-assistant__action {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(12, 94, 214, 0.08);
  color: #0b4dac;
  font: 700 0.82rem/1 Inter, Arial, sans-serif;
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.site-assistant__quick button:hover,
.site-assistant__action:hover {
  background: rgba(12, 94, 214, 0.14);
  transform: translateY(-1px);
}

.site-assistant__messages {
  padding: 16px;
  overflow: auto;
  display: grid;
  gap: 12px;
  min-height: 220px;
  background: linear-gradient(180deg, rgba(247, 250, 255, 0.86), rgba(241, 248, 255, 0.72));
}

.site-assistant__msg {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.site-assistant__msg--user {
  justify-content: flex-end;
}

.site-assistant__msg--user .site-assistant__bubble {
  background: linear-gradient(135deg, #0d63df, #1b8be8);
  color: #fff;
  border-bottom-right-radius: 10px;
}

.site-assistant__msg--assistant .site-assistant__bubble {
  background: rgba(255,255,255,0.92);
  color: #18354a;
  border-bottom-left-radius: 10px;
  border: 1px solid rgba(135, 167, 201, 0.22);
}

.site-assistant__msg-avatar {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(11,77,172,0.12), rgba(11,163,232,0.18));
  padding: 4px;
  flex: 0 0 34px;
}

.site-assistant__msg-avatar img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-assistant__bubble {
  max-width: 82%;
  padding: 13px 15px;
  border-radius: 18px;
  font: 500 0.92rem/1.52 Inter, Arial, sans-serif;
  box-shadow: 0 10px 20px rgba(13, 39, 72, 0.08);
}

.site-assistant__bubble p { margin: 0; }
.site-assistant__bubble p + p { margin-top: 8px; }
.site-assistant__bubble strong { color: inherit; }
.site-assistant__bubble a { color: #0a57ca; font-weight: 700; text-decoration: none; }
.site-assistant__bubble a:hover { text-decoration: underline; }

.site-assistant__typing {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 0 4px;
}

.site-assistant__typing span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(13, 99, 223, 0.42);
  animation: assistantTyping 1s ease-in-out infinite;
}

.site-assistant__typing span:nth-child(2) { animation-delay: .14s; }
.site-assistant__typing span:nth-child(3) { animation-delay: .28s; }

.site-assistant__msg-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.site-assistant__footer {
  padding: 14px 16px 16px;
  border-top: 1px solid rgba(135, 167, 201, 0.18);
  background: rgba(255,255,255,0.72);
}

.site-assistant__form {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.site-assistant__input {
  flex: 1 1 auto;
  border-radius: 16px;
  border: 1px solid rgba(130, 171, 204, 0.35);
  background: rgba(255,255,255,0.94);
  padding: 14px 15px;
  font: 500 0.92rem/1.2 Inter, Arial, sans-serif;
  color: #18354a;
  outline: none;
}

.site-assistant__input:focus {
  border-color: rgba(13, 99, 223, 0.5);
  box-shadow: 0 0 0 4px rgba(13, 99, 223, 0.12);
}

.site-assistant__send {
  min-width: 112px;
  border-radius: 16px;
  background: linear-gradient(135deg, #0d63df, #1b8be8);
  color: #fff;
  font: 700 0.9rem/1 Inter, Arial, sans-serif;
  box-shadow: 0 14px 28px rgba(13, 99, 223, 0.2);
}

.site-assistant__send:hover { transform: translateY(-1px); }

.site-assistant__microcopy {
  margin-top: 10px;
  color: #5b7284;
  font: 500 0.76rem/1.5 Inter, Arial, sans-serif;
}

.site-assistant__floating-chip {
  position: absolute;
  right: calc(100% + 14px);
  bottom: 16px;
  max-width: 220px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255,255,255,0.96);
  color: #17384b;
  font: 700 0.83rem/1.4 Inter, Arial, sans-serif;
  box-shadow: 0 18px 36px rgba(10, 29, 56, 0.18);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.site-assistant__floating-chip.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.site-assistant__floating-chip::after {
  content: "";
  position: absolute;
  right: -8px;
  bottom: 22px;
  width: 16px;
  height: 16px;
  background: rgba(255,255,255,0.96);
  transform: rotate(45deg);
}

.site-assistant--left .site-assistant__floating-chip {
  right: auto;
  left: calc(100% + 14px);
}

.site-assistant--left .site-assistant__floating-chip::after {
  right: auto;
  left: -8px;
}

@keyframes assistantFloat {
  0%,100% { transform: perspective(1200px) translateY(0) rotateX(var(--assistant-tilt-x)) rotateY(var(--assistant-tilt-y)); }
  50% { transform: perspective(1200px) translateY(-6px) rotateX(calc(var(--assistant-tilt-x) * 0.96)) rotateY(calc(var(--assistant-tilt-y) * 1.05)); }
}

@keyframes assistantPulse {
  0% { box-shadow: 0 0 0 0 rgba(63, 203, 255, 0.42); }
  100% { box-shadow: 0 0 0 34px rgba(63, 203, 255, 0); }
}

@keyframes assistantTap {
  0% { opacity: 0; transform: scale(.7); }
  18% { opacity: 1; transform: scale(1.06); }
  100% { opacity: 0; transform: scale(1.32); }
}

@keyframes assistantKnock {
  0%,100% { transform: perspective(1200px) translateX(0) rotateX(var(--assistant-tilt-x)) rotateY(var(--assistant-tilt-y)); }
  15% { transform: perspective(1200px) translateX(-4px) rotate(-1.2deg); }
  35% { transform: perspective(1200px) translateX(4px) rotate(.9deg); }
  60% { transform: perspective(1200px) translateX(-2px) rotate(-.6deg); }
}

@keyframes assistantKnockText {
  0% { opacity: 0; transform: translateY(10px) scale(0.9); }
  10%,75% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-8px) scale(0.98); }
}

@keyframes assistantBlink {
  0%, 100% { opacity: 0; transform: scaleY(0.2); }
  45%, 55% { opacity: 0.88; transform: scaleY(1); }
}

@keyframes assistantTyping {
  0%, 80%, 100% { transform: translateY(0); opacity: .32; }
  40% { transform: translateY(-4px); opacity: .86; }
}

@media (max-width: 960px) {
  .site-assistant {
    --assistant-panel-width: min(100vw - 16px, 420px);
    gap: 10px;
  }

  .site-assistant__avatar-wrap {
    width: min(var(--assistant-size), 178px);
  }
}

@media (max-width: 720px) {
  .site-assistant {
    right: 8px;
    left: auto;
    bottom: 8px;
    --assistant-panel-width: calc(100vw - 16px);
  }

  .site-assistant__avatar-wrap {
    width: min(var(--assistant-size), 148px);
  }

  .site-assistant__panel {
    position: fixed;
    right: 8px;
    left: 8px;
    bottom: calc(130px + max(env(safe-area-inset-bottom), 0px));
    max-height: min(68vh, 620px);
  }

  .site-assistant__floating-chip {
    right: auto;
    left: 0;
    bottom: calc(100% + 8px);
  }

  .site-assistant__floating-chip::after {
    display: none;
  }
}


@keyframes assistantWalk {
  0% { transform: translateY(0) rotate(0deg) scaleX(1); }
  25% { transform: translateY(-4px) rotate(-1.1deg) translateX(-1px); }
  50% { transform: translateY(0) rotate(0.8deg) translateX(1px); }
  75% { transform: translateY(-3px) rotate(1.1deg) translateX(-1px); }
  100% { transform: translateY(0) rotate(0deg) scaleX(1); }
}

@keyframes assistantStepLeft {
  0%, 100% { opacity: 0.1; transform: translateY(0) scale(0.84); }
  35% { opacity: 0.78; transform: translateY(-4px) scale(1.03); }
  70% { opacity: 0.22; transform: translateY(1px) scale(0.9); }
}

@keyframes assistantStepRight {
  0%, 100% { opacity: 0.22; transform: translateY(1px) scale(0.9); }
  35% { opacity: 0.12; transform: translateY(0) scale(0.84); }
  70% { opacity: 0.78; transform: translateY(-4px) scale(1.03); }
}