html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

.site-open-chat-page .site-main {
  padding: 138px 0 54px;
}

.site-open-chat-main {
  position: relative;
  z-index: 2;
}

.site-open-chat-shell {
  width: min(780px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  gap: 22px;
  justify-items: center;
}

.site-open-chat-hero {
  width: min(640px, 100%);
  margin: 0 auto;
  text-align: center;
  display: grid;
  gap: 14px;
  justify-items: center;
}

.site-open-chat-top-actions {
  width: min(620px, 100%);
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.site-open-chat-top-btn {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 8px 24px rgba(31, 47, 55, 0.1);
  color: var(--site-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background 0.2s ease;
}

.site-open-chat-top-btn:hover,
.site-open-chat-top-btn:focus-visible {
  background: rgba(255, 255, 255, 0.96);
  transform: translateY(-1px);
}

.site-open-chat-top-btn i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  line-height: 1;
  font-size: 1.2rem;
}

.site-open-chat-hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.12;
}

.site-open-chat-hero p {
  margin: 0;
  max-width: 640px;
  color: var(--site-text-muted);
  font-size: clamp(0.98rem, 1.2vw, 1.1rem);
  line-height: 1.5;
}

.site-open-chat-card {
  width: min(620px, 100%);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 30px 60px rgba(29, 47, 55, 0.14);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
}

.site-open-chat-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid rgba(29, 47, 55, 0.12);
  background: rgba(255, 255, 255, 0.6);
}

.site-open-chat-tab {
  min-height: 58px;
  border: 0;
  background: transparent;
  color: rgba(31, 47, 55, 0.48);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative;
  transition: color 0.2s ease, background 0.2s ease;
}

.site-open-chat-tab:hover,
.site-open-chat-tab:focus-visible {
  color: var(--site-primary);
  background: rgba(255, 255, 255, 0.5);
}

.site-open-chat-tab.is-active {
  color: var(--site-primary);
}

.site-open-chat-tab.is-active::after {
  content: "";
  position: absolute;
  inset: auto 20% 0;
  height: 3px;
  border-radius: 999px;
  background: var(--site-primary);
}

.site-open-chat-panel-wrap {
  padding: 24px;
}

.site-open-chat-panel {
  display: none;
}

.site-open-chat-panel.is-active {
  display: block;
}

.site-open-chat-info {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: 14px;
  background: rgba(33, 53, 61, 0.06);
  border: 1px solid rgba(33, 53, 61, 0.07);
}

.site-open-chat-info-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(32, 53, 61, 0.14);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--site-primary);
}

.site-open-chat-info-icon i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  line-height: 1;
  font-size: 1.28rem;
}

.site-open-chat-info strong {
  display: block;
  color: var(--site-primary);
  font-size: 1.2rem;
  line-height: 1.2;
}

.site-open-chat-info span {
  display: block;
  color: rgba(32, 53, 61, 0.7);
  font-size: 0.95rem;
  margin-top: 2px;
}

.site-open-chat-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: minmax(160px, 0.34fr) minmax(0, 1fr);
  gap: 14px;
}

.site-open-chat-field {
  display: grid;
  gap: 7px;
  text-align: left;
}

.site-open-chat-field label {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(32, 53, 61, 0.92);
}

.site-open-chat-input-wrap {
  position: relative;
}

.site-open-chat-input-wrap.has-flag input {
  padding-left: 42px;
}

.site-open-chat-flag {
  position: absolute;
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
  font-size: 1.06rem;
}

.site-open-chat-input {
  width: 100%;
  min-height: 54px;
  border-radius: 12px;
  border: 1px solid rgba(32, 53, 61, 0.16);
  background: rgba(255, 255, 255, 0.88);
  color: var(--site-primary);
  font-size: 1.18rem;
  font-weight: 700;
  padding: 0 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-open-chat-input::placeholder {
  color: rgba(32, 53, 61, 0.35);
}

.site-open-chat-input:focus {
  outline: 0;
  border-color: rgba(32, 53, 61, 0.42);
  box-shadow: 0 0 0 4px rgba(32, 53, 61, 0.09);
}

.site-open-chat-hint {
  margin-top: 7px;
  text-align: left;
  font-size: 0.9rem;
  color: rgba(32, 53, 61, 0.58);
}

.site-open-chat-submit {
  width: 100%;
  margin-top: 16px;
  min-height: 62px;
  border: 1px solid rgba(21, 40, 46, 0.15);
  border-radius: 14px;
  background: var(--site-primary);
  color: #fff;
  box-shadow: 0 16px 28px rgba(32, 53, 61, 0.2);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.site-open-chat-submit:hover,
.site-open-chat-submit:focus-visible {
  background: var(--site-primary-strong);
  transform: translateY(-1px);
}

.site-open-chat-submit i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  line-height: 1;
  font-size: 1.3rem;
}

.site-open-chat-error {
  margin: 12px 0 0;
  text-align: left;
  border-radius: 12px;
  border: 1px solid rgba(186, 64, 84, 0.22);
  background: rgba(186, 64, 84, 0.08);
  color: #8b2d3d;
  font-size: 0.93rem;
  font-weight: 700;
  padding: 9px 12px;
}

.site-open-chat-install {
  width: min(620px, 100%);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 14px 36px rgba(29, 47, 55, 0.12);
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 12px;
  align-items: start;
  padding: 16px;
}

.site-open-chat-install-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(32, 53, 61, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--site-primary);
}

.site-open-chat-install-icon i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  line-height: 1;
  font-size: 1.24rem;
}

.site-open-chat-install p {
  margin: 0;
  text-align: left;
  color: rgba(32, 53, 61, 0.78);
  font-size: 1.05rem;
  line-height: 1.45;
}

.site-open-chat-install p strong {
  color: var(--site-primary);
}

.site-open-chat-install-btn {
  border: 0;
  background: transparent;
  color: var(--site-primary);
  margin-top: 8px;
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
}

.site-open-chat-install-btn:hover,
.site-open-chat-install-btn:focus-visible {
  text-decoration: underline;
}

.site-open-chat-install-hint {
  margin: 8px 0 0;
  text-align: left;
  color: rgba(32, 53, 61, 0.56);
  font-size: 0.9rem;
  line-height: 1.4;
}

.site-open-chat-privacy {
  width: fit-content;
  margin: 0 auto;
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid rgba(32, 53, 61, 0.12);
  background: rgba(255, 255, 255, 0.62);
  color: rgba(32, 53, 61, 0.78);
  font-size: 0.95rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.site-open-chat-privacy i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  line-height: 1;
  font-size: 1.1rem;
}

.site-open-chat-footer {
  min-height: 56px;
  padding: 14px 0;
  background: #213941;
  margin-top: auto;
  display: flex;
  align-items: center;
}

.site-open-chat-footer-inner {
  width: min(780px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.site-open-chat-footer-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: none;
  text-align: center;
}

.site-open-chat-footer-install {
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(32, 53, 61, 0.16);
  background: rgba(255, 255, 255, 0.74);
  color: rgba(32, 53, 61, 0.72);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.site-open-chat-footer-install:hover,
.site-open-chat-footer-install:focus-visible {
  color: var(--site-primary);
  border-color: rgba(32, 53, 61, 0.28);
}

.site-open-chat-page .hide {
  display: none !important;
}

@media (max-width: 991px) {
  .site-open-chat-page .site-main {
    padding: 120px 0 42px;
  }
}

@media (max-width: 767px) {
  .site-open-chat-shell {
    width: calc(100% - 20px);
    gap: 13px;
  }

  .site-open-chat-hero h1 {
    font-size: clamp(1.8rem, 7.5vw, 2.2rem);
  }

  .site-open-chat-hero p {
    font-size: 0.96rem;
  }

  .site-open-chat-card {
    border-radius: 16px;
  }

  .site-open-chat-tab {
    min-height: 52px;
    font-size: 0.78rem;
  }

  .site-open-chat-panel-wrap {
    padding: 14px;
  }

  .site-open-chat-info strong {
    font-size: 1.1rem;
  }

  .site-open-chat-info span {
    font-size: 0.9rem;
  }

  .site-open-chat-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .site-open-chat-input {
    min-height: 50px;
    font-size: 1.18rem;
  }

  .site-open-chat-submit {
    min-height: 56px;
    font-size: 0.94rem;
    letter-spacing: 0.06em;
  }

  .site-open-chat-install {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .site-open-chat-install p {
    font-size: 0.92rem;
  }

  .site-open-chat-privacy {
    width: 100%;
    justify-content: center;
    font-size: 0.84rem;
  }

  .site-open-chat-footer-inner {
    width: calc(100% - 20px);
  }

  .site-open-chat-footer-note {
    font-size: 0.8rem;
    letter-spacing: 0.03em;
  }
}