* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: #F8FAFC;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 440px;
    padding: 20px;
}

.card {
    background: white;
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
}

    .logo span {
        font-size: 20px;
        color: #111827;
    }

h1 {
    font-size: 24px;
    font-weight: 600;
    color: #111827;
    margin-bottom: 8px;
}

.subtitle {
    color: #6B7280;
    font-size: 14px;
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
    text-align: left;
}

label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: #111827;
    margin-bottom: 8px;
}

input {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    border: 1px solid #D1D5DB;
    border-radius: 6px;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

    input:focus {
        border-color: #4361EE;
        box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
    }

.text-danger {
    color: #DC2626;
    font-size: 12px;
    margin-top: 4px;
    display: block;
}

.submit-button {
    width: 100%;
    padding: 10px;
    background: #4361EE;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

    .submit-button:hover {
        background: #3651D4;
    }

.login-link {
    margin-top: 24px;
    font-size: 14px;
    color: #6B7280;
}

    .login-link a {
        color: #4361EE;
        text-decoration: none;
        font-weight: 500;
        transition: text-decoration 0.3s ease;
    }

        .login-link a:hover {
            text-decoration: underline;
        }

.alert {
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-info {
    background-color: #E0F2FE;
    color: #0369A1;
    border: 1px solid #BAE6FD;
}

.alert-danger {
    background-color: #FEE2E2;
    color: #DC2626;
    border: 1px solid #FECACA;
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    .card {
        padding: 20px;
    }

    h1 {
        font-size: 20px;
    }

    .subtitle {
        font-size: 12px;
    }
}