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

body {
    font-family: Arial, sans-serif;
    background: #111;
    min-height: 100vh;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border-radius: 20px;
    padding: 35px 30px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
    text-align: center;
}

.login-logo img {
    width: 220px;
    max-width: 100%;
    margin-bottom: 20px;
}

.login-card h1 {
    font-size: 30px;
    color: #111;
    margin-bottom: 8px;
}

.login-subtitle {
    color: #666;
    margin-bottom: 25px;
    font-size: 15px;
}

.alert-error {
    background: #ffe6e6;
    color: #b30000;
    border: 1px solid #ffb3b3;
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 18px;
    font-size: 14px;
}

.login-form {
    text-align: left;
}

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

.form-group label {
    display: block;
    font-weight: bold;
    color: #222;
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    height: 46px;
    border: 1px solid #ccc;
    border-radius: 10px;
    padding: 0 14px;
    font-size: 15px;
    outline: none;
}

.form-group input:focus {
    border-color: #f2bd13;
    box-shadow: 0 0 0 3px rgba(242, 189, 19, 0.18);
}

.btn-login {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 12px;
    background: #f2bd13;
    color: #111;
    font-size: 17px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
}

.btn-login:hover {
    background: #d9a800;
}

.back-home {
    margin-top: 18px;
}

.back-home a {
    color: #333;
    text-decoration: none;
    font-size: 14px;
}

.back-home a:hover {
    text-decoration: underline;
}