* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
    animation: fadeIn 0.6s ease-in-out;
}

.login-container h2 {
    margin-bottom: 20px;
    text-align: center;
    color: #2a5298;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    transition: border-color 0.3s;
}

input:focus {
    outline: none;
    border-color: #2a5298;
}

button {
    width: 100%;
    padding: 12px;
    border: none;
    background: #2a5298;
    color: white;
    border-radius: 8px;
    font-weight: bold;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #1e3c72;
}

.error {
    color: red;
    text-align: center;
    margin-bottom: 15px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}