* { box-sizing: border-box; }

html { min-height: 100%; background: #d4e3e8; }

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 32px 20px;
  background: url('./images/campus-background.jpg') center center / cover no-repeat fixed;
  color: #151515;
  font-family: Tahoma, Arial, sans-serif;
}

.login-card {
  width: min(375px, 100%);
  padding: 38px 35px 34px;
  background: #fff;
  text-align: center;
}

.anniversary-logo {
  display: block;
  width: 200px;
  max-width: 100%;
  height: auto;
  margin: 0 auto 34px;
}

h1 {
  margin: 0 0 14px;
  font: 400 16px/1.35 Georgia, 'Times New Roman', serif;
}

.demo-note {
  margin: 0 0 24px;
  color: #82755f;
  font-size: 11px;
  line-height: 1.6;
}

.login-field { position: relative; display: block; margin: 0 0 20px; }

.login-field svg {
  position: absolute;
  top: 10px;
  left: 11px;
  width: 20px;
  height: 20px;
  fill: none;
  stroke: #ddb25d;
  stroke-width: 1.7;
  pointer-events: none;
}

input {
  display: block;
  width: 100%;
  height: 39px;
  padding: 9px 12px 9px 36px;
  border: 1px solid #ccc;
  border-radius: 2px;
  background: #fff;
  color: #333;
  font: 13px Tahoma, Arial, sans-serif;
}

input:focus-visible, button:focus-visible {
  outline: 2px solid #b18a37;
  outline-offset: 3px;
}

button {
  min-width: 123px;
  min-height: 42px;
  margin: 10px auto 0;
  padding: 12px 24px;
  border: 0;
  border-radius: 2px;
  background: #e0b154;
  color: #fff;
  font: 700 12px Georgia, 'Times New Roman', serif;
  cursor: pointer;
}

button:hover { background: #cca047; }

.login-error { margin: 16px 0 0; color: #a2382b; font-size: 12px; line-height: 1.5; }
.login-error:empty { display: none; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (max-width: 420px) {
  body { padding: 24px 16px; }
  .login-card { padding: 32px 24px; }
  input { font-size: 16px; }
}