.modern-form {
    /*max-width: 400px;*/
    margin: 40px auto;
    padding: 0px 30px;
    background: none;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    font-family: system-ui, sans-serif;
}

.field {
    position: relative;
    margin-bottom: 25px;
}

.field input,
.field textarea {
    width: 100%;
    padding: 14px 12px;
    font-size: 16px;
    border: 1.5px solid #ddd;
    border-radius: 8px;
    outline: none;
    transition: border 0.3s, box-shadow 0.3s;
    background: transparent;
}

.field textarea {
    resize: none;
}

/* focus animation */
.field input:focus,
.field textarea:focus {
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

/* label */
.field label {
    position: absolute;
    top: 50%;
    left: 12px;
    transform: translateY(-50%);
    color: #777;
    font-size: 20px;
    pointer-events: none;
    transition: 0.3s ease;
    background: none;
    padding: 0 6px;
}

/* floating effect */
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
    top: -8px;
    font-size: 15px;
    color: #6366f1;
}

/* button */
button {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(79,70,229,0.4);
}

button:active {
    transform: translateY(0);
}

/* Responsive */
@media screen and (max-width: 736px) {
    .modern-form {
        margin: 20px auto;
        padding: 0px 15px;
    }

    .field input,
    .field textarea {
        font-size: 14px;
        padding: 12px 10px;
    }

    .field label {
        font-size: 18px;
    }

    .field input:focus + label,
    .field input:not(:placeholder-shown) + label,
    .field textarea:focus + label,
    .field textarea:not(:placeholder-shown) + label {
        font-size: 13px;
    }

    button {
        font-size: 14px;
        padding: 12px;
    }
}

@media screen and (max-width: 480px) {
    .modern-form {
        margin: 10px auto;
        padding: 0px 10px;
    }

    .field input,
    .field textarea {
        font-size: 13px;
        padding: 10px 8px;
    }

    .field label {
        font-size: 16px;
        left: 10px;
    }

    .field input:focus + label,
    .field input:not(:placeholder-shown) + label,
    .field textarea:focus + label,
    .field textarea:not(:placeholder-shown) + label {
        font-size: 12px;
        top: -6px;
    }

    button {
        font-size: 13px;
        padding: 10px;
    }
}