:root {
  --ohta-red: #c82c04;
  --ohta-red-dark: #9f2303;
  --ohta-black: #050505;
  --ohta-ink: #161616;
  --ohta-muted: #6b6b6b;
  --ohta-line: #d9d9d9;
  --ohta-white: #ffffff;
}

div.login-ui {
  background:
    linear-gradient(90deg, rgba(5, 5, 5, 0.92) 0 58%, rgba(200, 44, 4, 0.96) 58% 100%),
    var(--ohta-black);
  font-family: Arial, Helvetica, sans-serif;
}

div.login-ui::before {
  content: "ОХТА";
  position: fixed;
  left: clamp(24px, 6vw, 90px);
  top: clamp(24px, 7vh, 80px);
  color: var(--ohta-white);
  font-size: clamp(24px, 5vw, 72px);
  font-weight: 800;
  line-height: 0.9;
  opacity: 0.08;
  pointer-events: none;
}

div.login-ui::after {
  content: "";
  position: fixed;
  right: clamp(22px, 5vw, 70px);
  bottom: clamp(22px, 6vh, 70px);
  width: clamp(120px, 18vw, 260px);
  height: 4px;
  background: var(--ohta-black);
  opacity: 0.45;
  pointer-events: none;
}

.login-ui .login-dialog-middle {
  text-align: left;
  padding: 28px;
}

.login-ui .login-dialog {
  width: min(92vw, 420px);
  max-width: none;
  margin-left: clamp(0px, 11vw, 170px);
  padding: 34px 34px 30px;
  background: var(--ohta-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
  color: var(--ohta-ink);
}

.login-ui .login-dialog .logo {
  width: 210px;
  height: 52px;
  margin: 0 0 28px;
  background-image: url("/rdp-ohta/ohta-logo-red.png");
  background-repeat: no-repeat;
  background-position: left center;
  background-size: contain;
}

.login-ui .login-dialog .version {
  display: none;
}

.login-ui .login-dialog .login-fields {
  margin-top: 10px;
}

.login-ui .login-fields .labeled-field .field-header {
  margin: 11px 14px;
  color: var(--ohta-muted);
  font-size: 14px;
  opacity: 1;
}

.login-ui .login-fields .labeled-field input:focus {
  background: var(--ohta-white);
}

.login-ui .login-dialog .login-fields input {
  box-sizing: border-box;
  min-height: 48px;
  margin: 0 0 12px;
  padding: 12px 14px;
  border: 1px solid var(--ohta-line);
  border-radius: 2px;
  background: #f8f8f8;
  color: var(--ohta-ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.login-ui .login-dialog .login-fields input:focus {
  border-color: var(--ohta-red);
  box-shadow: 0 0 0 3px rgba(200, 44, 4, 0.16);
  outline: none;
}

.login-ui .login-dialog .buttons {
  margin-top: 18px;
}

.login-ui .login-dialog .buttons input[type="submit"] {
  min-height: 48px;
  border: 0;
  border-radius: 2px;
  background: var(--ohta-red);
  color: var(--ohta-white);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  transition: background 0.16s ease, transform 0.16s ease;
}

.login-ui .login-dialog .buttons input[type="submit"]:hover {
  background: var(--ohta-red-dark);
}

.login-ui .login-dialog .buttons input[type="submit"]:active {
  transform: translateY(1px);
}

.login-ui.error p.login-error {
  left: 28px;
  right: 28px;
  top: 20px;
  border: 1px solid rgba(200, 44, 4, 0.3);
  border-radius: 4px;
  background: var(--ohta-white);
  color: var(--ohta-red-dark);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.2);
}

@media (max-width: 760px) {
  div.login-ui {
    background:
      linear-gradient(180deg, rgba(5, 5, 5, 0.96) 0 34%, rgba(200, 44, 4, 0.96) 34% 100%),
      var(--ohta-black);
  }

  .login-ui .login-dialog-middle {
    padding: 18px;
    text-align: center;
  }

  .login-ui .login-dialog {
    margin: 0 auto;
    padding: 28px 24px 24px;
  }

  .login-ui .login-dialog .logo {
    width: 188px;
    height: 46px;
    margin-bottom: 24px;
  }
}