/* RESET */
* {
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* PAGE BACKGROUND */
body {
    margin: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #2e7d32, #1b5e20);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* CENTER CONTAINER */
.login-container {
    width: 100%;
    padding: 16px;
}

/* CARD */
.login-card {
    background: #fff;
    max-width: 380px;
    margin: auto;
    padding: 24px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* TITLE */
.login-card h1 {
    margin: 0;
    text-align: center;
    font-size: 28px;
    color: #2e7d32;
}

.subtitle {
    text-align: center;
    margin-bottom: 20px;
    color: #666;
    font-size: 14px;
}

/* FORM */
form {
    display: flex;
    flex-direction: column;
}

label {
    margin-top: 12px;
    margin-bottom: 4px;
    font-size: 14px;
    color: #333;
}

/* INPUTS */
input {
    padding: 12px;
    font-size: 16px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

input:focus {
    outline: none;
    border-color: #2e7d32;
}

/* BUTTON */
button {
    margin-top: 20px;
    padding: 14px;
    font-size: 16px;
    background: #2e7d32;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background: #1b5e20;
}

/* MOBILE FRIENDLY */
@media (max-width: 400px) {
    .login-card {
        padding: 18px;
    }
}
/* ERROR POPUP */
.error-popup {
  background: #ffebee;
  color: #c62828;
  border: 1px solid #ef9a9a;
  padding: 12px;
  border-radius: 6px;
  margin-bottom: 15px;
  text-align: center;
  font-size: 14px;