.contact-main {
  display: grid;
  min-height: calc(100vh - var(--header-height) - 185px);
  padding: 64px 24px 72px;
  background: #eef1f4;
  place-items: center;
}

.contact-disabled {
  text-align: center;
}

.contact-disabled p {
  margin: 0;
  color: #6f7883;
  font-size: 28px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.support-panel {
  display: grid;
  grid-template-rows: auto minmax(430px, 1fr) auto;
  width: min(100%, 980px);
  min-height: 650px;
  overflow: hidden;
  background: #fff;
  border: 1px solid #d9e0e7;
  border-radius: 10px;
  box-shadow: 0 10px 34px rgba(29, 67, 104, 0.09);
}

.support-panel[hidden],
.contact-disabled[hidden] {
  display: none;
}

.support-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 26px;
  border-bottom: 1px solid #e2e7ec;
}

.support-avatar {
  display: grid;
  width: 46px;
  height: 46px;
  color: #fff;
  background: var(--primary-blue-dark);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  place-items: center;
}

.support-header h1 {
  margin: 0 0 3px;
  color: var(--text-strong);
  font-size: 21px;
  font-weight: 600;
}

.support-header p {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
}

.support-messages {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 0;
  padding: 28px;
  overflow-y: auto;
  background: #f7f9fb;
}

.support-message {
  max-width: 82%;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.75;
  white-space: pre-line;
}

.support-message.is-agent {
  align-self: flex-start;
  color: #39495a;
  background: #fff;
  border: 1px solid #dde4ea;
}

.support-message.is-user {
  align-self: flex-end;
  color: #fff;
  background: var(--primary-blue-dark);
}

.support-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 96px;
  gap: 12px;
  padding: 20px 22px;
  background: #fff;
  border-top: 1px solid #e2e7ec;
}

.support-form input {
  min-width: 0;
  height: 46px;
  padding: 0 15px;
  color: var(--text);
  background: #fff;
  border: 1px solid #cfd8e1;
  border-radius: 6px;
  font: inherit;
}

.support-form input:focus {
  border-color: var(--primary-blue);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(12, 123, 227, 0.12);
}

.support-form button {
  height: 46px;
  color: #fff;
  background: var(--primary-blue-dark);
  border: 0;
  border-radius: 6px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.support-form button:hover,
.support-form button:focus-visible {
  background: var(--primary-blue-deep);
}