* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: linear-gradient(135deg, #2d5a3d 0%, #6a8d79 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.card {
  background: white;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 420px;
  padding: 48px 40px;
}

.logo {
  text-align: center;
  margin-bottom: 32px;
}

.logo-icon {
  font-size: 56px;
}

h1 {
  text-align: center;
  font-family: 'DM Serif Display', serif;
  color: #1a3a2a;
  font-size: 24px;
  font-weight: 400;
  margin: 10px 0 4px;
}

.school-name {
  text-align: center;
  color: #6b7f94;
  font-size: 13px;
  margin-bottom: 32px;
}

.error-box {
  background: #fff0ef;
  border: 1px solid #f5c6c3;
  color: #c0392b;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  display: none;
}

.error-box.visible {
  display: block;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b7f94;
  margin-bottom: 6px;
}

input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid #c8ddd3;
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  margin-bottom: 20px;
  transition: border-color 0.2s;
  outline: none;
}

input:focus {
  border-color: #2d6a4f;
}

button {
  width: 100%;
  padding: 13px;
  background: #6a8d79;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
}

button:hover {
  background: #457057;
}

.help {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: #6b7f94;
}