body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: #f4f6f9;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-card {
    width: 380px;
    background: #fff;
    border-radius: 14px;
    padding: 35px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid #eee;
}

.title {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    color: #111;
}

.subtitle {
    text-align: center;
    font-size: 13px;
    color: #777;
    margin-top: 5px;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 18px;
}

label {
    font-size: 13px;
    color: #444;
    display: block;
    margin-bottom: 6px;
}

input {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: 0.2s;
    box-sizing: border-box;
}

input:focus {
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.btn {
    width: 100%;
    padding: 11px;
    background: #111;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    background: #333;
}

.error {
    margin-top: 12px;
    text-align: center;
    color: red;
    font-size: 13px;
}

.footer-text {
    text-align: center;
    font-size: 12px;
    color: #999;
    margin-top: 15px;
}