:root {
  color-scheme: light;
  --primary: #078eae;
  --primary-dark: #056f89;
  --background: #f2f6fa;
  --text: #172b3a;
  --muted: #657789;
  --border: #dce5ed;
  --white: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, #e8f6fa, #f5f7fb 55%, #e9eef5);
  color: var(--text);
}

.login-container {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 430px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 18px 55px rgba(20, 52, 72, 0.12);
}

.login-header {
  padding: 36px 30px 32px;
  text-align: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
}

.brand-symbol {
  width: 62px;
  height: 62px;
  margin: 0 auto 16px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.18);
  font-size: 36px;
}

.login-header h1 {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.7px;
}

.login-header h1 span {
  font-weight: 400;
}

.login-header p {
  margin: 10px 0 0;
  color: #e1f6fc;
  font-size: 14px;
}

.login-form {
  display: flex;
  flex-direction: column;
  padding: 32px 30px 24px;
}

.login-form label {
  margin-bottom: 9px;
  font-size: 14px;
  font-weight: 600;
}

.login-form input {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  margin-bottom: 22px;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  font-size: 15px;
  background: #fbfdff;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.login-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(7, 142, 174, 0.12);
}

.login-form button {
  min-height: 49px;
  border: 0;
  border-radius: 10px;
  background: var(--primary);
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}

.login-form button:hover {
  background: var(--primary-dark);
}

.login-form button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.login-mensagem {
  margin: 0 0 14px;
  font-size: 13px;
  color: #b42318;
}

.login-mensagem:empty {
  display: none;
}

.login-footer {
  padding: 0 20px 27px;
  text-align: center;
}

.login-footer p {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 13px;
}

.login-footer small {
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 480px) {
  .login-container {
    padding: 15px;
  }

  .login-card {
    border-radius: 16px;
  }

  .login-header {
    padding: 30px 20px;
  }

  .login-header h1 {
    font-size: 23px;
  }

  .login-form {
    padding: 27px 22px 20px;
  }
}